Behringer Car Amplifier A500 User Manual

User Manual

REFERENCE AMPLIFIER A500

Professional 600-Watt Reference-Class

Studio Power Ampliﬁer

behringer.com

REFERENCE AMPLIFIER A500 User Manual

9. Do not defeat the safety purpose of the polarized

or grounding-type plug. A polarized plug has two blades

with one wider than the other. A grounding-type plug

has two blades and a third grounding prong. The wide

blade or the third prong are provided for your safety. If the

provided plug does not ﬁt into your outlet, consult an

electrician for replacement of the obsolete outlet.

Limited Warranty

§ 1 Warranty

Important Safety

Instructions

[1] This limited warranty is valid only if you purchased

the product from a BEHRINGER authorized dealer in the

country of purchase. A list of authorized dealers can be

found on BEHRINGER’s website behringer.com under

“Where to Buy“, or you can contact the BEHRINGER oﬃce

closest to you.

10. Protect the power cord from being walked on or

pinched particularly at plugs, convenience receptacles,

and the point where they exit from the apparatus.

Terminals marked with this symbol carry

electrical current of suﬃcient magnitude to

constitute risk of electric shock. Use only

[2] MUSIC Group* warrants the mechanical and

electronic components of this product to be free of defects

in material and workmanship if used under normal

operating conditions for a period of one (1) year from

the original date of purchase (see the Limited Warranty

11. Use only attachments/accessories speciﬁed by

the manufacturer.

high-quality commercially-available speaker cables with

¼" TS plugs pre-installed. All other installation or

modiﬁcation should be performed only by

qualiﬁed personnel.

12. Use only with the

cart, stand, tripod, bracket, terms in § 4 below), unless a longer minimum warranty

or table speciﬁed by the period is mandated by applicable local laws. If the product

manufacturer, or sold with shows any defects within the speciﬁed warranty period

the apparatus. When a cart and that defect is not excluded under § 4, MUSIC Group

is used, use caution when shall, at its discretion, either replace or repair the product

moving the cart/apparatus using suitable new or reconditioned product or parts.

This symbol, wherever it appears, alerts you

to the presence of uninsulated dangerous

voltage inside the enclosure - voltage that

may be suﬃcient to constitute a risk of shock.

combination to avoid

In case MUSIC Group decides to replace the entire product,

this limited warranty shall apply to the replacement

product for the remaining initial warranty period, i.e.,

one (1) year (or otherwise applicable minimum warranty

period) from the date of purchase of the original product.

This symbol, wherever it appears, alerts you injury from tip-over.

to important operating and maintenance

instructions in the accompanying literature.

Please read the manual.

13. Unplug this apparatus during lightning storms or

when unused for long periods of time.

14. Refer all servicing to qualiﬁed service personnel.

Servicing is required when the apparatus has been

damaged in any way, such as power supply cord or plug

is damaged, liquid has been spilled or objects have fallen

into the apparatus, the apparatus has been exposed

to rain or moisture, does not operate normally, or has

been dropped.

[3] Upon validation of the warranty claim, the repaired

or replacement product will be returned to the user freight

prepaid by MUSIC Group.

Caution

To reduce the risk of electric shock, do not

remove the top cover (or the rear section).

No user serviceable parts inside. Refer servicing to

qualiﬁed personnel.

[4] Warranty claims other than those indicated above

are expressly excluded.

PLEASE RETAIN YOUR SALES RECEIPT. IT IS YOUR PROOF

OF PURCHASE COVERING YOUR LIMITED WARRANTY.

THIS LIMITED WARRANTY IS VOID WITHOUT SUCH PROOF

OF PURCHASE.

Caution

15. The apparatus shall be connected to a MAINS socket

outlet with a protective earthing connection.

To reduce the risk of ﬁre or electric shock,

do not expose this appliance to rain and

moisture. The apparatus shall not be exposed to dripping

16. Where the MAINS plug or an appliance coupler is

or splashing liquids and no objects ﬁlled with liquids, such used as the disconnect device, the disconnect device shall

§ 2 Online registration

as vases, shall be placed on the apparatus.

remain readily operable.

Please do remember to register your new BEHRINGER

equipment right after your purchase at behringer.com

under“Support”and kindly read the terms and conditions

of our limited warranty carefully. Registering your

purchase and equipment with us helps us process

your repair claims quicker and more eﬃciently.

Thank you for your cooperation!

Caution

These service instructions are for use

by qualiﬁed service personnel only.

To reduce the risk of electric shock do not perform any

servicing other than that contained in the operation

instructions. Repairs have to be performed by qualiﬁed

service personnel.

§ 3 Return materials authorization

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

[1] To obtain warranty service, please contact the

retailer from whom the equipment was purchased.

Should your BEHRINGER dealer not be located in your

vicinity, you may contact the BEHRINGER distributor for

your country listed under“Support”at behringer.com.

If your country is not listed, please check if your problem

can be dealt with by our“Online Support”which may

also be found under“Support”at behringer.com.

Alternatively, please submit an online warranty claim at

behringer.com BEFORE returning the product. All inquiries

must be accompanied by a description of the problem

and the serial number of the product. After verifying

the product’s warranty eligibility with the original sales

receipt, MUSIC Group will then issue a Return Materials

Authorization (“RMA”) number.

Legal Disclaimer

Technical speciﬁcations and appearance are subject to change without

notice. The information contained herein is correct at the time of printing.

All trademarks are the property of their respective owners. MUSIC Group

accepts no liability for any loss which may be suﬀered by any person

who relies either wholly or in part upon any description, photograph or

statement contained herein. Colors and speciﬁcations may vary slightly from

product. BEHRINGER products are sold through authorized dealers only.

Distributors and dealers are not agents of MUSIC Group and have absolutely

no authority to bind MUSIC Group by any express or implied undertaking

or representation. This manual is copyrighted. No part of this manual may

be reproduced or transmitted in any form or by any means, electronic or

mechanical, including photocopying and recording of any kind, for any

purpose, without the express written permission of Red Chip Company Ltd.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation openings. Install in

accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as

radiators, heat registers, stoves, or other apparatus

(including ampliﬁers) that produce heat.

Trident Chambers, Wickhams Cay, P.O. Box 146,

Road Town, Tortola, British Virgin Islands

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REFERENCE AMPLIFIER A500 User Manual

[2] Subsequently, the product must be returned in

its original shipping carton, together with the return

authorization number to the address indicated by

MUSIC Group.

§ 9 Amendment

[7] Any repair or opening of the unit carried out by

unauthorized personnel (user included) will void the

limited warranty.

Warranty service conditions are subject to change without

notice. For the latest warranty terms and conditions

and additional information regarding MUSIC Group’s

limited warranty, please see complete details online at

behringer.com.

[8] If an inspection of the product by MUSIC Group

shows that the defect in question is not covered by the

limited warranty, the inspection costs are payable by

the customer.

[3] Shipments without freight prepaid will not

be accepted.

* MUSIC Group Macao Commercial Oﬀshore Limited of

Rue de Pequim No. 202-A, Macau Finance Centre 9/J, Macau,

including all MUSIC Group companies

§ 4 Warranty Exclusions

[9] Products which do not meet the terms of this

limited warranty will be repaired exclusively at the buyer’s

expense. MUSIC Group or its authorized service center will

inform the buyer of any such circumstance. If the buyer

fails to submit a written repair order within 6 weeks after

notiﬁcation, MUSIC Group will return the unit C.O.D. with

a separate invoice for freight and packing. Such costs will

also be invoiced separately when the buyer has sent in a

written repair order.

[1] This limited warranty does not cover consumable

parts including, but not limited to, fuses and batteries.

Where applicable, MUSIC Group warrants the valves or

meters contained in the product to be free from defects in

material and workmanship for a period of ninety (90) days

from date of purchase.

[2] This limited warranty does not cover the product

if it has been electronically or mechanically modiﬁed

in any way. If the product needs to be modiﬁed or

adapted in order to comply with applicable technical

or safety standards on a national or local level, in any

country which is not the country for which the product

was originally developed and manufactured, this

modiﬁcation/adaptation shall not be considered a defect

in materials or workmanship. This limited warranty does

not cover any such modiﬁcation/adaptation, regardless

of whether it was carried out properly or not. Under the

terms of this limited warranty, MUSIC Group shall not

be held responsible for any cost resulting from such a

modiﬁcation/adaptation.

[10] Authorized BEHRINGER dealers do not sell new

products directly in online auctions. Purchases made

through an online auction are on a“buyer beware”basis.

Online auction conﬁrmations or sales receipts are not

accepted for warranty veriﬁcation and MUSIC Group will

not repair or replace any product purchased through an

online auction.

§ 5 Warranty transferability

This limited warranty is extended exclusively to the

original buyer (customer of authorized retail dealer) and

is not transferable to anyone who may subsequently

purchase this product. No other person (retail dealer, etc.)

shall be entitled to give any warranty promise on behalf

of MUSIC Group.

[3] This limited warranty covers only the product

hardware. It does not cover technical assistance for

hardware or software usage and it does not cover

any software products whether or not contained in

the product. Any such software is provided“AS IS”

unless expressly provided for in any enclosed software

limited warranty.

§ 6 Claim for damage

Subject only to the operation of mandatory applicable

local laws, MUSIC Group shall have no liability to the buyer

under this warranty for any consequential or indirect

loss or damage of any kind. In no event shall the liability

of MUSIC Group under this limited warranty exceed the

invoiced value of the product.

[4] This limited warranty is invalid if the factory-

applied serial number has been altered or removed from

the product.

[5] Free inspections and maintenance/repair work

are expressly excluded from this limited warranty, in

particular, if caused by improper handling of the product

by the user. This also applies to defects caused by normal

wear and tear, in particular, of faders, crossfaders,

potentiometers, keys/buttons, guitar strings, illuminants

and similar parts.

§ 7 Limitation of liability

This limited warranty is the complete and exclusive

warranty between you and MUSIC Group. It supersedes

all other written or oral communications related to this

product. MUSIC Group provides no other warranties for

this product.

[6] Damage/defects caused by the following conditions

are not covered by this limited warranty:

§ 8 Other warranty rights and

national law

•

improper handling, neglect or failure to operate the

unit in compliance with the instructions given in

BEHRINGER user or service manuals;

[1] This limited warranty does not exclude or limit the

buyer’s statutory rights as a consumer in any way.

[2] The limited warranty regulations mentioned herein

are applicable unless they constitute an infringement of

applicable mandatory local laws.

•

connection or operation of the unit in any way

that does not comply with the technical or safety

regulations applicable in the country where the

product is used;

[3] This warranty does not detract from the seller’s

obligations in regard to any lack of conformity of the

product and any hidden defect.

•

damage/defects caused by acts of God/Nature

(accident, ﬁre, ﬂood, etc) or any other condition that

is beyond the control of MUSIC Group.

behringer.com

REFERENCE AMPLIFIER A500 User Manual

1. Introduction

Power is delivered via the cable enclosed with the unit. All required safety

precautions have been adhered to.

Balanced inputs and outputs

◊

Please keep in mind that all your equipment has to be grounded

at all times. For your own protection, never change or disable the

grounding on your equipment or on the cables! The unit should

always be connected to the mains socket outlet with a protective

earthing connection.

Your BEHRINGER A500 features electronically servo-balanced inputs

(exception: RCA connectors [6]and [7]are intended only for unbalanced

connections). The automatic servo function recognizes when unbalanced

jacks are connected and internally adjusts the nominal signal level so that no

diﬀerence in the signal level between inputs and outputs exists (6 dB correction).

◊

This manual ﬁrst describes the terminology used, so that you fully

understand the A500 and its functions. Please read the manual

carefully and keep it for future reference.

Attention!

◊

High volume levels can damage your hearing and your speakers.

Please turn down both volume controls to the minimum (all the way

to the left) before you power up the amp. Always make sure you use

appropriate volume levels.

1.1 Before you get started

1.1.1 Shipment

Your A500 was carefully packed at the factory, and the packaging was designed

to protect the unit from rough handling. Nevertheless, we recommend that

you carefully examine the packaging and its contents for any signs of physical

damage that may have occurred during transit.

1.1.3 Online registration

Please register your new BEHRINGER equipment right after your purchase

by visiting http://behringer.com and read the terms and conditions of our

warranty carefully.

◊

If the unit is damaged, please do NOT return it to BEHRINGER.

Instead, notify your dealer and the shipping company immediately.

Otherwise, claims for damage or replacement may not be honored.

Should your BEHRINGER product malfunction, it is our intention to have it

repaired as quickly as possible. To arrange for warranty service, please contact

the BEHRINGER retailer from whom the equipment was purchased. Should your

BEHRINGER dealer not be located in your vicinity, you may directly contact

one of our subsidiaries. Corresponding contact information is included in the

original equipment packaging (Global Contact Information/European Contact

Information). Should your country not be listed, please contact the distributor

nearest you. A list of distributors can be found in the support area of our

website (http://behringer.com).

◊

Always use the original packaging to prevent damage during storage

or transport.

Make sure that no children are left unsupervised with the A500 or

its packaging.

Please ensure proper disposal of all packing materials.

1.1.2 Initial operation

Registering your purchase and equipment with us helps us process your repair

claims more quickly and eﬃciently.

Make sure there is enough space around the unit for cooling. To avoid

overheating, please do not place your ampliﬁer near radiators and other

equipment emitting heat.

Thank you for your cooperation!

◊

Before plugging the unit into a power socket, please make sure you

have selected the correct voltage!

The fuse compartment near the power plug socket contains three triangular

markings. Two of these triangles are opposite one another. The voltage

indicated adjacent to these markings is the voltage to which your unit

has been set up, and can be altered by rotating the fuse compartment by

180°. ATTENTION: This does not apply to export models that were

manufactured only for use with 120 V, for example!

◊

If you alter the unit’s voltage, you must change the fuse accordingly.

The correct value of the fuse needed can be found in the

chapter “SPECIFICATIONS.”

◊

Faulty fuses must be replaced with fuses of appropriate rating

only! The correct value of the fuses needed can be found in the

chapter “SPECIFICATIONS.”

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REFERENCE AMPLIFIER A500 User Manual

2. Control Elements

2.1 The front

Fig. 2.1: Control elements in the front

[1] The POWER switch is used to power up the A500. The POWER switch should [3] The PROT LED lights up whenever the protective circuitry mutes the speaker

always be in its “Oﬀ” position when you connect the unit to the mains.

output. Please turn your A500 oﬀ immediately whenever this LED is lit.

POWER LED lights up as soon as you power up the A500.

◊

The protective circuitry is activated if the amp gets too hot. Let your

A500 cool down a little before you turn it on again. Besides, check if the

heat sink has enough space around it to perform its job.

◊

Please note: Merely switching the unit oﬀ does not mean that it

is fully disconnected from the mains. When not using the unit for

prolonged periods of time, please unplug the unit’s power cord from

the power outlet.

[4] The high-precision power indicator gives out current signal strength.

[5] The ClIP LED lights up when the signal is distorted. Should distortion occur,

Your power amp should always be the last device you power up, since

some equipment in the signal path creates strong impulses which

are then ampliﬁed in the amp and are passed onto the loudspeakers,

possibly damaging them. Consequently, always let your power amp be

the ﬁrst device you power down.

reduce the input level, so that the CLIP LED no longer lights up.

◊

If the CLIP LED remains being lit, check the cable connection to the

speakers because there might be a short on the speaker output.

[2] Each channel features a volume control. Use it to adjust gain on your A500.

Both volume controls should be turned all the way to the left whenever

you power the unit up or down. If an active signal is present on the input,

turning the volume down will protect your speakers and your ears from

unwanted “pops” or transients.

2.2 The back

11 12

Fig. 2.2: Control elements and connections in the back

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REFERENCE AMPLIFIER A500 User Manual

[6] CHANNEl INPUT 1 (MONO). Connect the signal source whose output needs 3. Application Examples

to be ampliﬁed.

3.1 Stereo mode

◊

Please use only one of the three input connectors per channel at any

one time!

In this mode, both channels run independently with a separate input signal.

Connect passive loudspeakers, preferably high-quality studio monitors, such

as the BEHRINGER TRUTH B2031P. Set the STEREO/BRIDGED MONO switch [8]to

“STEREO” to enable stereo mode.

Here you will connect an output of your mixing console, your HiFi preamp or

another signal source.

Our rack mixing console EURORACK PRO RX1602, with its eight mono-usable

balanced stereo channels, is an ideal choice for signal processing and

source selection.

◊

Please use the POWER switch to power down your A500 before making

any changes to the operating mode settings.

◊

Keep in mind the minimum load impedance of 4 Ohms per channel in

stereo mode.

The connections for both channels are laid out as RCA, XLR and ¼" TRS stereo

connectors. The cinch inputs are intended for use with outputs laid out as

unbalanced signals with a -10 dBV line signal level. Because these inputs

are more sensitive than others, you can directly connect a CD player or a

DAT recorder. Of course this input can also be used for connecting mixing

consoles and similar equipment.

XENYX 2222FX

The XLR and ¼" TRS stereo connectors are laid out balanced, but they too can

of course be used to connect unbalanced signals. Their sensitivity is +4 dBu

(also see ch. 4).

Ctrl. Room out

Generally speaking, you should choose balanced over unbalanced signals in

order to guarantee the highest noise protection.

Due to safety considerations, the inputs can not be used in parallel.

However, if you are using cinch and XLR or ¼" TRS connectors

simultaneously, the cinch input is given preference, and the other signal

is muted.

Input

Channel 1

REFERENCE AMPLIFIER A500

◊

If you wish to use the A500 in mono-bridged mode,

please only use one of the channel 1 inputs!

Input

Channel 2

[7] CHANNElINPUT 2. These are the inputs for channel 2.

[8] The STEREO/BRIDGED MONO switch is used to toggle between the two

operating modes of your A500.

◊

Please power the A500 down using the POWER switch each time you

change the operating mode. Similarly, only connect/disconnect speaker

connectors if the A500 has ﬁrst been powered oﬀ!

[9] OUTPUT 1, OUTPUT 2 and BRIDGED MONO: These are the speaker

connectors of your A500 laid out as ¼" TS mono connectors. When in

mono-bridged mode, only use the BRIDGED MONO output.

TRUTH B2031P

Fig. 3.1: A500 in stereo operation

◊

Keep in mind the minimum power impedance of 4 Ohms per channel

in stereo mode. When in mono-bridged mode, a loudspeaker whose

impedance is at least 8 Ohms must be used.

Additional examples:

•

Two independent mono signals, e.g. instrument signal and monitor mix

[10] In addition to XLR or ¼" TRS connectors, you can also use binding posts for

connecting speaker cables. When in mono-bridged mode, make sure to

connect your cables to both middle connectors–as shown on the unit itself.

Bi-amp operation, with the bass signal on channel 1 and the treble signal

on channel 2

[11] FUSE SWITCH/VOlTAGE SElECTION. Before connecting the unit to the

3.2 Mono-bridged mode

mains, please check if the voltage selector corresponds to your local voltage.

When replacing fuses, you should only use fuses of the same type and rating. In this mode, the voltages of both channels are added up and routed to just

With some units, the fuse switch can be put into two diﬀerent positions in

order to select between 230 V and 120 V operation. Please bear in mind:

If you wish to use your equipment outside of Europe running on 120 V,

you will have to use a fuse with a higher Ampere value.

one loudspeaker. This results in a doubling of voltage, quadrupling of the peak

power value and roughly trippling of the continuous power output on a single

channel. The input and the gain control on channel 1 are used in mono-bridged

mode. Thechannel 2 control elements are not used. ATTENTION: To avoid

cancellations due to internal phase inversion, the GAIN control on

channel 2 must be turned all the way to the left!

[12] The mains connection is made via a standard IEC RECEPTAClE. A matching

cable is enclosed.

Use this operating mode to feed the output of both channels into a single 4-Ohm

load. Set the STEREO/BRIDGED MONO switch [8]to “BRIDGED MONO.”

[13] SERIAl NUMBER.

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REFERENCE AMPLIFIER A500 User Manual

Please only connect the speaker using the BRIDGED MONO connector [9]or by

using both of the middle binding posts [10].

4. Installation

4.1 Installation in a rack

◊

Always power the A500 down using the POWER switch whenever you

make any changes to the operating mode settings.

Your A500 can be installed into a 19" rack and requires

two rack spaces. Please use four attaching screws and washers for installation.

Reinforce the back end, especially for on-the-road use. Please ensure that

enough cool air reaches the rack, especially if other rack equipment generates

a lot of heat. Due to its weight, we recommend installing the A500 in the lower

portion of your rack. If you are installing several amps in a single rack, you should

leave some space between individual amps (approx. 1 height unit) to allow for

suﬃcient cooling.

Keep in mind the minimum load impedance of 8 Ohms in

mono-bridged mode.

Bass

◊

The A500 has massive heat sinks on its side frame that guarantee

reliable operation. Never block air supply to these heat sinks because

excessive heat may damage the components inside your amp.

Even though the protective circuitry guards the inside components

from damage caused by excessive internal temperatures, you should

still double-check where the amp is placed and inspect cable

connections if you are experiencing thermal protection dropouts.

BASS V-AMP PRO

Input

Channel 1

4.2 Connections

BB410

Inputs

REFERENCE AMPLIFIER A500

If you wish to use XLR connections for unbalanced input signals, connect the

unused pin on the XLR connector (pin 3) with the ground. No modiﬁcation is

needed if using mono jacks (also see ch. 4.3).

◊

Should you register distractive signals such as noise or hissing,

we recommend separating the amp input from the signal source.

This way, you can quickly determine if the noise originates

in the equipment connected to the amp. Always make sure

to completely lower ampliﬁcation of both channels before

powering up the amp (GAIN control turned all the way to the left).

Otherwise, permanent damage to your speakers may occur.

Fig. 3.2: Mono-bridged operation

◊

If your amp is overdriving for a longer period of time, it may become

muted for several seconds at a time. Always select appropriate volume

values to avoid overdriving.

Outputs

Safety precautions for mono-bridged operation

Your A500 oﬀers several output connection possibilities: two ¼" TS mono

connectors and two pairs of touch-safe binding posts. In addition to both

¼" TS mono connectors for individual channels, the A500 also features an extra

¼" connector for use in mono-bridged mode.

A voltage of up to 60 V RMS is present between the output connectors

of the A500. Always adhere to all appropriate safety precautions when

connecting your speakers to avoid the risk of electric shock.

Running your amp in mono-bridged mode puts both the amp and your

loudspeakers under additional strain. Excessive overdriving can result

in premature shutting down of the unit itself or permanent damage to

the speakers. Make sure that your speaker (impedance at least 8 Ohms)

and the cables you use can indeed handle the power load fed into/

through them.

◊

Whenever possible, use thick and short speaker cables to minimize

power losses. Never route output cables near input cables.

When using binding posts, make sure that the wire insulation is not stripped

more than what is necessary, and that wires are completely inserted into the

binding post so that no bare wire is visible. Cable clamps must be isolated to

avoid the possibility of electric shock. When running the amp in mono-bridged

mode, always use the middle two binding post connectors, paying attention to

correct polarity.

◊

ATTENTION! If you notice bare cable endings on the binding post

connectors, disconnect the AC mains and remedy the improper output

connection before powering the ampliﬁer on again.

Connecting to the mains

Always connect your power ampliﬁer to the voltage speciﬁed on the rear of

the unit. Connecting the amp to incorrect voltage can permanently damage it

(also see ch. 2, under [11] FUSE SWITCH/VOLTAGE SELECTION).

Before powering up the ampliﬁer, double-check all connections and fully lower

the gain settings.

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REFERENCE AMPLIFIER A500 User Manual

4.3 Audio connections

Balanced ¼" TRS connector

Various cables are needed for diﬀerent types of applications. The following

illustrations show the correct wiring. Always use high-grade cables.

strain relief clamp

sleeve

ring

tip

Balanced use with XLR connectors

sleeve

ground/shield

input

1 = ground/shield

2 = hot (+ve)

3 = cold (-ve)

ring

cold (-ve)

tip

hot (+ve)

For connection of balanced and unbalanced plugs,

ring and sleeve have to be bridged at the stereo plug.

output

Fig. 4.3: ¼" TRS connector

For unbalanced use, pin 1 and pin 3 have to be bridged

Fig. 4.1: XLR connections

tip

sleeve

shield

sleeve

Unbalanced ¼" TS connector

Strain relief clamp

Sleeve

Tip

Fig. 4.4: Unbalanced connection using a cinch cable

Sleeve

(ground/shield)

Tip

(signal)

Fig. 4.2: ¼" TS connector

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10 REFERENCE AMPLIFIER A500 User Manual

5. Speciﬁcations

OUTPUT POWER

Connectors

Inputs

Balanced XLR, ¼" TRS , RCA

RMS Power

Outputs

¼'' TS connectors and ”touch-proof”

binding posts

Stereo Mode (both channels driven)

8 Ω / 1 kHz @ 1 % THD

4 Ω / 1 kHz @ 1 % THD

Bridged Mono

125 W

185 W

Circuit protection

Cooling

Convection-type

Short circuit and overload

Class AB

Ampliﬁer protection

8 Ω / 1 kHz @ 1 % THD

375 W

Output circuit type

Peak Power

Power supply / Voltage (Fuses)

USA / Canada

Stereo Mode (both channels driven)

120 V~, 60 Hz (T 10 A H 250 V)

240 V~, 50 Hz (T 5 A H 250 V)

230 V~, 50 Hz (T 5 A H 250 V)

100 V~, 50-60 Hz (T 10 A H 250 V)

660 W

8 Ω / 1 kHz

175 W

300 W

UK / Australia

4 Ω / 1 kHz

Europe

Bridged Mono

8 Ω / 1 kHz

Japan

600 W

Power consumption

Mains connector

Input Sensitivity

Distortion

1.64 V

Standard IEC receptacle

<0.01 %

Frequency Response

Voltage Gain:

Damping Factor

Input impedance

Signal-to-Noise

20 Hz - 20 kHz, +0/-1 dB

26 dB

Dimensions/weight

Dimensions (H x W x D) 19 x 10.85 x 4"

482.6 x 257.5 x 101.6 mm

> 220 @ 8 Ω

Weight

18.5 Ibs / 8.4 kg

10 kΩ unbalanced, 20 kΩ balanced

>100 dBA

BEHRINGER is constantly striving to maintain the highest professional standards. As a result of these eﬀorts,

modiﬁcations may be made from time to time to existing products without prior notice. Speciﬁcations and

appearance may diﬀer from those listed or illustrated.

Controls

Front

POWER switch

GAIN control (channel 1 and 2)

Rear

MODE switch

Indicators

POWER

Blue LEDs

Red LEDs

CLIP (per channel)

PROT (per channel)

Yellow LEDs

SIGNAL (per channel)

-30 dB ~ -6 dB

Green LEDs

Yellow LEDs

SIGNAL (per channel)

-3 dB; 0 dB

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11 REFERENCE AMPLIFIER A500 User Manual

FEDERAL COMMUNICATIONS

COMMISSION COMPLIANCE

INFORMATION

REFERENCE AMPLIFIER A500

Responsible party name:

Address:

BEHRINGER USA, Inc.

18912 North Creek Parkway,

Suite 200 Bothell, WA 98011,

USA

Phone/Fax No.:

Phone: +1 425 672 0816

Fax: +1 425 673 7647

REFERENCE AMPLIFIER A500

complies with the FCC rules as mentioned in the following paragraph:

This equipment has been tested and found to comply with the limits for a Class B

digital device, pursuant to part 15 of the FCC Rules. These limits are designed

to provide reasonable protection against harmful interference in a residential

installation. This equipment generates, uses and can radiate radio frequency

energy and, if not installed and used in accordance with the instructions, may cause

harmful interference to radio communications. However, there is no guarantee that

interference will not occur in a particular installation. If this equipment does cause

harmful interference to radio or television reception, which can be determined

by turning the equipment oﬀ and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

•

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit diﬀerent from that to which the

receiver is connected.

•

Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC rules. Operation is subject to the

following two conditions:

(1) this device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may

cause undesired operation.

Important information:

Changes or modiﬁcations to the equipment not expressly approved by BEHRINGER

USA can void the user’s authority to use the equipment.

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