Roland Computer Monitor DS 30A User Guide
O W N ER’S MAN UAL  
Thank you for purchasing the Roland Bi-Amp Monitor DS-30A.  
201b  
Before using this unit, carefully read the sections entitled: “IMPORTANT SAFETY  
INSTRUCTIONS” (p. 3), “USING THE UNIT SAFELY” (p. 4), and “IMPORTANT NOTES”  
(p. 5). These sections provide important information concerning the proper operation  
of the unit. Additionally, in order to feel assured that you have gained a good grasp of  
every feature provided by your new unit, Owner’s manual should be read in its  
entirety. The manual should be saved and kept on hand as a convenient reference.  
Ma in Fe a tu re s  
● In Pu rsu it o f Hig h So u n d Q u a lity  
The DS-30A powered monitor uses a two-way, bi-amplifier  
Amplifier  
10W  
design to achieve high sound quality.  
The monitor features a 120-mm LF Driver and a 25-mm  
soft-dome HF Driver as speakers. The amplification  
includes 20-watt and 10-watt amplifiers designed to  
Amplifier  
20W  
achieve high sound quality.  
● An a lo g In p u t  
In addition to an XLR connector, which provides for  
balanced input, a 1/ 4" TRS phone jack accommodating either balanced or unbalanced input  
is also provided. This assures broad-ranging connectivity.  
● Dig ita l In p u t  
The DS-30A is provided with digital input connectors (coaxial and optical) that support 96  
kHz sample rate and 24-bit digital audio.  
Digitally input signals are reproduced faithfully through 24-bit D/ A conversion, thus  
preventing noise or a drop in sound quality.  
You can use the monitors with a wide variety of equipment and applications through  
selective use of the analog and digital settings.  
● Ma g n e tica lly Sh ie ld e d Lo w - a n d Hig h -Fre q u e n cy Drive rs  
This allows you to use the speakers next to CRT displays.  
202  
Copyright © 2002 ROLAND CORPORATION  
All rights reserved. No part of this publication may be reproduced in any form without the  
written permission of ROLAND CORPORATION.  
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IMPO RTAN T SAFETY IN STRUCTIO N S  
The lightning flash with arrowhead symbol, within an  
equilateral triangle, is intended to alert the user to the  
presence of uninsulated “dangerous voltage” within the  
product’s enclosure that may be of sufficient magnitude to  
constitute a risk of electric shock to persons.  
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR  
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,  
DO NOT REMOVE COVER (OR BACK).  
The exclamation point within an equilateral triangle is  
intended to alert the user to the presence of important  
operating and maintenance (servicing) instructions in the  
literature accompanying the product.  
NO USER-SERVICEABLE PARTS INSIDE.  
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.  
INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS.  
IMPORTANT SAFETY INSTRUCTIONS  
SAVE THESE INSTRUCTIONS  
WARNING - When using electric products, basic precautions should always be followed, including the following:  
1. Read these instructions.  
2. Keep these instructions.  
3. Heed all warnings.  
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.  
4. Follow all instructions.  
5. Do not use this apparatus near water.  
6. Clean only with a dry cloth.  
7. Do not block any of the ventilation openings. Install in  
accordance with the manufacturers instructions.  
8. Do not install near any heat sources such as radiators,  
heat registers, stoves, or other apparatus (including  
amplifiers) that produce heat.  
11. Only use attachments/accessories specified by the  
manufacturer.  
12. Never use with a cart, stand, tripod, bracket,  
or table except as specified by the  
manufacturer, or sold with the apparatus.  
When a cart is used, use caution when  
moving the cart/apparatus combination to  
avoid injury from tip-over.  
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. When the provided  
plug does not fit into your outlet, consult an electrician for  
replacement of the obsolete outlet.  
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.  
For the U.K.  
WARNING:  
THIS APPARATUS MUST BE EARTHED  
IMPORTANT: THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE.  
GREEN-AND-YELLOW: EARTH, BLUE: NEUTRAL, BROWN: LIVE  
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying  
the terminals in your plug, proceed as follows:  
The wire which is coloured GREEN-AND-YELLOW must be connected to the terminal in the plug which is marked by the  
letter E or by the safety earth symbol or coloured GREEN or GREEN-AND-YELLOW.  
The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.  
The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.  
3
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USING THE UNIT SAFELY  
The  
symbol alerts the user to important instructions  
Used for instructions intended to alert  
the user to the risk of death or severe  
injury should the unit be used  
improperly.  
or warnings.The specific meaning of the symbol is  
determined by the design contained within the  
triangle. In the case of the symbol at left, it is used for  
general cautions, warnings, or alerts to danger.  
Used for instructions intended to alert  
the user to the risk of injury or material  
damage should the unit be used  
improperly.  
The  
symbol alerts the user to items that must never  
be carried out (are forbidden). The specific thing that  
must not be done is indicated by the design contained  
within the circle. In the case of the symbol at left, it  
means that the unit must never be disassembled.  
* Material damage refers to damage or  
other adverse effects caused with  
respect to the home and all its  
furnishings, as well to domestic  
animals or pets.  
The ● symbol alerts the user to things that must be  
carried out. The specific thing that must be done is  
indicated by the design contained within the circle. In  
the case of the symbol at left, it means that the power-  
cord plug must be unplugged from the outlet.  
001  
010  
101a  
•
Before using this unit, make sure to  
read the instructions below, and the  
Owner’s Manual.  
•
This unit, either alone or in combi-  
nation with an amplifier and  
•
The unit should be located so that its  
location or position does not interfere  
with its proper ventilation.  
headphones or speakers, may be  
capable of producing sound levels that  
could cause permanent hearing loss.  
Do not operate for a long period of  
time at a high volume level, or at a  
level that is uncomfortable. If you  
experience any hearing loss or ringing  
in the ears, you should immediately  
stop using the unit, and consult an  
audiologist.  
......................................................................  
......................................................................  
102b  
002a  
•
Do not open or perform any internal  
modifications on the unit.  
•
Always grasp only the plug on the  
power-supply cord when plugging  
into, or unplugging from, an outlet or  
this unit.  
......................................................................  
003  
......................................................................  
•
Do not attempt to repair the unit, or  
replace parts within it (except when  
this manual provides specific instruc-  
tions directing you to do so). Refer all  
servicing to your retailer, the nearest  
Roland Service Center, or an autho-  
rized Roland distributor, as listed on  
the “Information” page.  
104  
•
Try to prevent cords and cables from  
becoming entangled. Also, all cords  
and cables should be placed so they  
are out of the reach of children.  
.....................................................................  
011  
•
Do not allow any objects (e.g.,  
flammable material, coins, pins); or  
liquids of any kind (water, soft drinks,  
etc.) to penetrate the unit.  
......................................................................  
106  
•
Never climb on top of, nor place heavy  
objects on the unit.  
......................................................................  
004  
•
Never use or store the unit in places  
that are:  
......................................................................  
107b  
•
Never handle the power cord or its  
plugs with wet hands when plugging  
into, or unplugging from, an outlet or  
this unit.  
.....................................................................  
•
Subject to temperature extremes  
(e.g., direct sunlight in an enclosed  
vehicle, near a heating duct, on top  
of heat-generating equipment); or  
are  
013  
•
In households with small children, an  
adult should provide supervision until  
the child is capable of following all the  
rules essential for the safe operation of  
the unit.  
......................................................................  
108a  
•
Damp (e.g., baths, washrooms, on  
wet floors); or are  
•
Before moving the unit, disconnect the  
power plug from the outlet, and pull  
out all cords from external devices.  
.....................................................................  
•
•
•
•
Humid; or are  
Exposed to rain; or are  
Dusty; or are  
Subject to high levels of vibration.  
014  
•
Protect the unit from strong impact.  
(Do not drop it!)  
......................................................................  
109a  
•
Before cleaning the unit, turn off the  
power and unplug the power cord  
from the outlet (p. 5).  
......................................................................  
.....................................................................  
007  
015  
•
Make sure you always have the unit  
placed so it is level and sure to remain  
stable. Never place it on stands that  
could wobble, or on inclined surfaces.  
•
Do not force the unit’s power-supply  
cord to share an outlet with an unrea-  
sonable number of other devices. Be  
especially careful when using  
extension cords—the total power used  
by all devices you have connected to  
the extension cord’s outlet must never  
exceed the power rating (watts/  
amperes) for the extension cord.  
Excessive loads can cause the  
......................................................................  
110a  
•
Whenever you suspect the possibility  
of lightning in your area, pull the plug  
on the power cord out of the outlet.  
......................................................................  
008a  
......................................................................  
•
The unit should be connected to a  
power supply only of the type  
described in the operating instruc-  
tions, or as marked on the unit.  
118  
•
Should you remove the optical  
connector caps, make sure to put them  
in a safe place out of children's reach,  
so there is no chance of them being  
swallowed accidentally.  
......................................................................  
insulation on the cord to heat up and  
eventually melt through.  
008e  
•
Use only the attached power-supply  
cord.  
......................................................................  
.....................................................................  
119  
•
The top of the unit may become hot, so  
take care to avoid burns.  
016  
•
Before using the unit in a foreign  
country, consult with your retailer, the  
nearest Roland Service Center, or an  
authorized Roland distributor, as  
listed on the "Information" page.  
......................................................................  
009  
•
Do not excessively twist or bend the  
power cord, nor place heavy objects  
on it. Doing so can damage the cord,  
producing severed elements and short  
circuits. Damaged cords are fire and  
shock hazards!  
......................................................................  
.....................................................................  
026  
•
Do not put anything that contains  
water (e.g., flower vases) on this unit.  
Also, avoid the use of insecticides,  
perfumes, alcohol, nail polish, spray  
cans, etc., near the unit. Swiftly wipe  
away any liquid that spills on the unit  
using a dry, soft cloth.  
......................................................................  
.....................................................................  
4
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IMPO RTAN T N O TES  
291b  
In addition to the items listed under “IMPORTANT SAFETY INSTRUCTIONS” and “USING THE UNIT SAFELY” on page 3  
and 4, please read and observe the following:  
•
add 1 During operation, this unit must be placed at a distance of no less  
Po w e r Su p p ly  
301  
than 20 cm from any walls.  
•
Do not use this unit on the same power circuit with any device that  
will generate line noise (such as an electric motor or variable lighting  
system).  
•
add 2 Do not allow objects to remain on top of the unit while it is in  
operation.  
307  
•
•
If you cover the top of the unit, the function is defeated, and  
temperature can rise to overly high level, which could cause burns  
if they are accidentally touched.  
Before connecting this unit to other devices, turn off the power to all  
units. This will help prevent malfunctions and/ or damage to  
speakers or other devices.  
*
Please also refer to Important Notes on Placement (p. 9).  
Pla ce m e n t  
351  
•
Using the unit near power amplifiers (or other equipment containing  
Ma in te n a n ce  
401a  
large power transformers) may induce hum. To alleviate the  
problem, change the orientation of this unit; or move it farther away  
from the source of interference.  
•
For everyday cleaning wipe the unit with a soft, dry cloth or one that  
has been slightly dampened with water. To remove stubborn dirt,  
use a cloth impregnated with a mild, non-abrasive detergent. After-  
wards, be sure to wipe the unit thoroughly with a soft, dry cloth.  
352a  
•
This device may interfere with radio and television reception. Do not  
use this device in the vicinity of such receivers.  
402  
•
Never use benzine, thinners, alcohol or solvents of any kind, to avoid  
the possibility of discoloration and/ or deformation.  
352b  
•
Noise may be produced if wireless communications devices, such as  
cell phones, are operated in the vicinity of this unit. Such noise could  
occur when receiving or initiating a call, or while conversing. Should  
you experience such problems, you should relocate such wireless  
devices so they are at a greater distance from this unit, or switch  
them off.  
Ad d itio n a l Pre ca u tio n s  
553  
•
Use a reasonable amount of care when using the unit’s buttons,  
sliders, or other controls; and when using its jacks and connectors.  
Rough handling can lead to malfunctions.  
354b  
•
556  
Do not expose the unit to direct sunlight, place it near devices that  
radiate heat, leave it inside an enclosed vehicle, or otherwise subject  
it to temperature extremes. Also, do not allow lighting devices that  
normally are used while their light source is very close to the unit  
(such as a piano light), or powerful spotlights to shine upon the same  
area of the unit for extended periods of time. Excessive heat can  
deform or discolor the unit.  
•
When connecting / disconnecting all cables, grasp the connector  
itself—never pull on the cable. This way you will avoid causing  
shorts, or damage to the cable’s internal elements.  
557  
•
A small amount of heat will radiate from the unit during normal  
operation.  
558b  
•
To avoid disturbing your neighbors, try to keep the unit’s volume at  
reasonable levels (especially when it is late at night).  
355  
•
To avoid possible breakdown, do not use the unit in a wet area, such  
as an area exposed to rain or other moisture.  
559a  
•
When you need to transport the unit, package it in the box (including  
padding) that it came in, if possible. Otherwise, you will need to use  
equivalent packaging materials.  
356  
•
Do not allow rubber, vinyl, or similar materials to remain on the unit  
for long periods of time. Such objects can discolor or otherwise  
harmfully affect the finish.  
562  
•
Use a cable from Roland to make the connection. If using some other  
make of connection cable, please note the following precautions.  
Some connection cables contain resistors. Do not use cables that  
incorporate resistors for connecting to this unit. The use of such  
cables can cause the sound level to be extremely low, or impos-  
sible to hear. For information on cable specifications, contact the  
manufacturer of the cable.  
357  
•
Do not put anything that contains water (e.g., flower vases) on the  
unit. Also, avoid the use of insecticides, perfumes, alcohol, nail  
polish, spray cans, etc., near the unit. Swiftly wipe away any liquid  
that spills on the unit using a dry, soft cloth.  
•
359  
•
Do not paste stickers, decals, or the like to this instrument. Peeling  
such matter off the instrument may damage the exterior finish.  
Ta b le o f Co n te n ts  
Main Features........................................................................................................................................ 1  
USING THE UNIT SAFELY.................................................................................................................... 4  
IMPORTANT NOTES ............................................................................................................................. 5  
Table of Contents.................................................................................................................................. 5  
Panel Descriptions................................................................................................................................ 6  
Front ............................................................................................................................................................. 6  
Rear............................................................................................................................................................... 6  
Connection Examples .......................................................................................................................... 8  
Using Two DS-30A Monitors for Stereo Sound ..................................................................................... 8  
Important Notes on Placement................................................................................................................. 9  
Precautions When Connecting and Turning on the Power ................................................................. 9  
Reference............................................................................................................................................. 10  
Troubleshooting........................................................................................................................................ 10  
Specifications............................................................................................................................................. 10  
Dimensions................................................................................................................................................ 11  
Frequency Response................................................................................................................................. 11  
5
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Pa n e l De scrip tio n s  
Fro n t  
fig.  
Po w e r In d ica to r  
HF Drive r  
* Do not touch the diaphragm.  
Lights when power is on.  
Dig ita l In In d ica to r  
LF Drive r  
* Do not touch the speaker cone.  
This lights up when output is received from a  
connected digital device or during standby.  
Connect the digital-signal output device, set the  
"Input Select switch" to DIGITAL INPUT, and set  
the "Digital Input select switch" according to the  
connector to which the device is attached (Coaxial  
or Optical).  
Ba ss-re fle x Du cts  
These are conduits  
for rich, bass-range reproduction.  
* When the connected digital-signal output device  
is not powered up, the Digital In indicator does not  
light up.  
Po w e r Sw itch  
This switch turns the power on/ off.  
Before turning the power on or off, you  
must lower the volume of this unit and  
your connected device etc.  
This unit is equipped with a protection  
circuit. A brief interval (a few seconds)  
after power up is required before the unit  
will operate normally.  
Re a r  
fig.  
1 Dig ita l In p u t  
Co a x ia l In p u t Co n n e cto r (Dig ita l In p u t)  
This is the digital input connector for coaxial cable.  
It cannot be used for input of analog audio signals (no sound  
is produced).  
5
6
O p tica l In p u t Co n n e cto r (Dig ita l In p u t)  
This is the digital input connector for optic-fiber cable. Use  
commercially available optical cable for audio equipment to  
make the connection.  
4
3
7
8
2
Optical-connector Protective Cap  
•
•
•
After removing the protective cap, put in a safe place so  
that it doesn’t get lost.  
Po w e r co rd  
When not using the optical connector, attach the cap to  
keep the connector safe.  
When using the optical connector, be sure that the cap  
you removed is placed out of the reach of children. If a  
child has accidentally swallowed a cap, see a doctor  
immediately.  
1
6
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Pa n e l De scrip tio n s  
Dig ita l In p u t Se le ct Sw itch  
5 Le ve l Co n tro l  
This switch selects Optical or Coaxial. Select the connector  
used for the input signal.  
This adjusts the input level. Turning the control clockwise  
increases the sound from the speakers.  
Assig n Sw itch  
6 HF Trim Co n tro l  
This switch selects the stereo position of the digital signal.  
It selects Right, L+R, or Left when using two DS-30A  
monitors for stereo sound (with digital signals).  
This adjusts the sound quality of the treble range  
(10 kHz, +/ -3 dB).  
Choose the setting appropriate for your setup.  
7 LF Trim Co n tro l  
This adjusts the sound quality of the bass range  
(80 Hz, +/ -3 dB).  
With the DS-30A, there is no difference between L and R.  
When using the digital input connectors of two DS-30A monitors  
for stereo sound, the digital signal can be input to either L or R.  
The LF Trim and HF Trim controls on the DS-30A are  
designed to correct the sound quality of the sonic field. Use  
these to make fine adjustments to match the usage conditions.  
2 Th ru (Dig ita l O u t) Co n n e cto r  
When connecting multiple DS-30A monitors with digital  
signals, this connector is used for output to the second DS-30A.  
8 AC In le t  
Connect the included Power cord here. Plug it firmly in, so  
that the cable does not accidentally become disconnected.  
Refer to Connection Examples (p. 8).  
3 An a lo g In p u t  
XLR/ TRS Ph o n e In p u t Co n n e cto r (An a lo g In p u t)  
This is for connecting XLR or TRS phone plugs.  
fig.  
XLR type  
TRS  
phone type  
(Balanced)  
Phone type  
(Unbalanced)  
Both balanced and unbalanced connections are possible.  
9T2h2bis instrument is equipped with balanced (XLR/ TRS) type  
input jacks. Wiring diagrams for these jacks are shown  
below. Make connections after first checking the wiring  
diagrams of other equipment you intend to connect.  
fig.  
GND(SLEEVE)  
1:GND  
2:HOT  
HOT(TIP)  
3:COLD  
COLD(RING)  
4 In p u t Se le ct Sw itch  
Used to select Digital Input or Analog Input.  
Select the connector used for the input signal.  
7
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Co n n e ctio n Ex a m p le s  
Usin g Tw o DS-3 0 A Mo n ito rs fo r Ste re o So u n d  
fig.  
Example for  
Using Analog Input Connectors  
Example for  
Using Digital Input Connectors  
Select  
DIGITAL IN  
(COAXIAL)  
THRU  
(DIGITAL OUT)  
DIGITAL IN  
(COAXIAL)  
(OPTICAL)  
Recording Equipment,etc.  
DIGITAL OUT  
Mixer,etc.  
CD Player, MD Player,etc.  
BR-8/532/1180, etc  
Tip s a b o u t h ig h so u n d q u a lity p la y b a ck  
•
•
Please pay careful attention to the placement location. In order to take full advantage of the low-frequency  
playback capabilities of this device, we recommend that you place it on a hard and strong base.  
When using digital in connections, turn down the LEVEL knob of this device and raise the output level of the  
connected device. This will take advantage of the full number of bits in the digital signal, improving the audio  
quality.  
8
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Co n n e ctio n Ex a m p le s  
Im p o rta n t N o te s o n Pla ce m e n t  
•
During setup and transport, be careful not to damage the  
vibrating portions (the speaker cone and diaphragm).  
•
When this unit is in operation, the top side will become  
hot. Take care not to touch it.  
•
Be sure to place the monitor so that the slits on the top to  
radiate the heat is not obstructed. Also, make sure the  
monitor does not touch any curtains or other fabrics.  
•
•
Do not put anything on the unit.  
During operation, this unit must be placed at a distance  
of no less than 20 cm from any walls.  
fig.  
•
This unit performs cooling when the monitor is placed as  
shown below. Do not place the monitor on its side or  
upside down.  
no less  
no less  
than 20cm  
than 20cm  
fig.  
He a te d Air  
no less  
than 20cm  
no less  
than 20cm  
* Please also refer to “Placement” in IMPORTANT NOTES (p.  
5).  
Pre ca u tio n s W h e n Co n n e ctin g a n d Tu rn in g o n th e Po w e r  
921  
942  
•
To prevent malfunction and/ or damage to speakers or  
other devices, always turn down the volume, and turn  
off the power on all devices before making any  
connections.  
•
This unit is equipped with a protection circuit. A brief  
interval (a few seconds) after power up is required  
before the unit will operate normally.  
941  
•
Once the connections have been completed, turn on  
power to your various devices in the order specified. By  
turning on devices in the wrong order, you risk causing  
malfunction and/ or damage to speakers and other  
devices. (When turning the power off, reverse this  
procedure.)  
1 . Turn on the power on the devices connected to the  
DS-30A.  
2 . Turn on the power on the DS-30A.  
9
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Re fe re n ce  
Tro u b le sh o o tin g  
If there is no sound or if the unit does not operate as you expect, please check the following points first. If this does not resolve the  
problem, contact the nearest Roland service center or authorized Roland distributor.  
Th e re ’s N o So u n d  
Th e vo lu m e le ve l o f th e in stru m e n t  
co n n e cte d to AN ALO G IN PUT is to o  
lo w  
•
Make sure the Input Level control has not been turned  
fully counterclockwise.  
•
Could you be using a connection cable that contains a  
resistor? Use a connection cable that does not contain a  
resistor.  
•
Make sure the Input Select switch has been set to the  
connector where the input signal is connected (Digital  
Input or Analog Input).  
•
Make sure the Digital Input select switch has been set to  
the connector where the input signal is connected  
(Optical or Coaxial).  
Du rin g Dig ita l Sig n a l In p u t, th e Ste re o  
Im a g e Is Re ve rse d o r So u n d s  
Un n a tu ra l, o r O u tp u t Do e sn ’t So u n d  
Lik e Ste re o  
•
Input a digital signal to the Digital Input connector. No  
sound is produced when an analog signal is input.  
926  
•
Check the setting of the Assign switch (Right, L+R, or  
Left). The DS-30A uses an identical construction for the  
left and right monitors, and makes no distinction  
between left and right. During digital signal input, set  
the Assign switch L or R as appropriate for your setup.  
Sp e cifica tio n s  
•
•
•
•
System  
Digital in  
2-Way Bi-Amplified Monitor  
•
•
•
Format  
Conformity with S/ P DIF  
Enclosure  
Bass-reflex type  
Sample Rate  
32 kHz to 96 kHz (de-emphasis: OFF)  
Cabinet  
1/ 2" PB (Baffle: 5/ 8" MDF)  
D/ A Converter  
24 bits  
LF Driver  
120 mm (5") Foamed polypropylene cone type,  
magnetically shielded  
•
Controls  
LEVEL Knob  
•
•
•
•
•
HF Driver  
LF TRIM Knob (80 Hz, +/ -3 dB)  
HF TRIM Knob (10 kHz, +/ -3 dB)  
INPUT SELECT SW (Analog In/ Digital In)  
ASSIGN SW (Right/ L+R/ Left)  
DIGITAL INPUT SELECT SW (Optical/ Coaxial)  
POWER SW  
25 mm (1") Soft dome type, magnetically shielded  
Frequency Response  
78 Hz to 20 kHz (+/ -3 dB)  
Crossover Frequency  
2.3 kHz (active third order)  
•
•
Indicators  
POWER  
DIGITAL IN  
LF Amplifier Power  
20 W  
HF Amplifier Power  
10 W  
Connectors  
ANALOG INPUT (XLR / 1/ 4 inch TRS phone type)  
DIGITAL INPUT (Optical)  
Analog in  
DIGITAL INPUT (Coaxial)  
DIGITAL THRU OUT (Coaxial)  
•
Input Sensitivity  
0 dBu (0.775 Vrms)  
•
Input Impedance  
20 k ohms (Balanced/ Unbalanced)  
1 0  
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Re fe re n ce  
•
•
•
Power Supply  
AC 117 V, AC 230 V, AC 240 V  
•
•
Weight  
6.1 kg/ 13 lbs 8 oz  
Accessories  
Owner's Manual  
Power Cord  
Power Consumption  
40 W  
Dimensions  
176 (W) x 249.5 (D) x 280 (H) mm  
6-15/ 16 (W) x 9-7/ 8 (D) x 11-1/ 16 (H) inches  
962a  
* In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.  
Dim e n sio n s  
fig.  
176 (6-15/16")  
241 (9-1/2")  
280  
(11-1/16")  
8.5  
(3/8")  
249.5 (9-7/8")  
* Not include the power cord.  
Fre q u e n cy Re sp o n se  
fig.  
20  
(dB)  
HF: max  
flat  
LF: max  
flat  
10  
0
LF: min  
-10  
-20  
-30  
HF: min  
30  
50  
100  
200  
500  
1k  
2k  
5k  
10k  
20k (Hz)  
Frequency  
1 1  
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02901001  
2RCC  
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