Rolls Stereo Amplifier RA62 User Guide

LIMITED WARRANTY  
This product is warranted to the original consumer purchaser to be free from  
defects in materials and workmanship under normal installation, use and service for a  
period of one (1) year from the date of purchase as shown on the purchaser’s receipt.  
The obligation of Rolls Corporation under this warranty shall be limited to repair  
or replacement (at our option), during the warranty period of any part which proves  
defective in material or workmanship under normal installation, use and service, provided  
the product is returned to Rolls Corporation, TRANSPORTATION CHARGES PRE-  
PAID. Products returned to us or to an authorized Service Center must be accompanied by  
a copy of the purchase receipt. In the absence of such purchase receipt, the warranty  
period shall be one (1) year from the date of manufacture.  
RA62  
Stereo Headphone Amplifier  
This warranty shall be invalid if the product is damaged as a result of deface-  
ment, misuse, abuse, neglect, accident, destruction or alteration of the serial number,  
improper electrical voltages or currents, repair, alteration or maintenance by any person or  
party other than our own service facility or an authorized Service Center, or any use  
violative of instructions furnished by us.  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
VOLUME  
VOLUME  
VOLUME  
VOLUME  
VOLUME  
PAN  
STEREO  
INPUT  
This one-year warranty is in lieu of all expressed warranties, obligations or  
liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES,  
INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER-  
CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE  
LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN  
LIMITED WARRANTY. Some states do not allow limitations on how long an implied  
warranty lasts, so the above limitation may not apply to you.  
HEADPHONE  
AMPLIFIER  
T
PWR  
RA62  
VOLUME  
MONO  
STEREO  
L
CHANNEL ONE  
INSERT  
HEADPHONE OUT  
IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL, INCIDENTAL  
OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER  
WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow  
the exclusion or limitation of special, incidental or consequential damages so the above  
limitation or exclusion may not apply to you. This warranty gives you specific legal  
rights, and you may also have other rights which vary from state to state.  
R
R
RIGHT  
INPUT  
L
PAN  
CHANNEL TWO  
HEADPHONE OUT  
INSERT  
R
L
LEFT  
INPUT  
TO CHANNELS  
3 THROUGH 6  
FRONT PANEL  
STEREO INPUT  
ROLLS CORPORATION  
SALT LAKE CITY, UTAH  
5/00  
OWNERS MANUAL  
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SCHEMATIC  
INTRODUCTION  
Thank you for your purchase of the Rolls RA62 Stereo Headphone Amplifier.The  
RA62HA is a six-channel headphone amplifier for high quality audio monitoring. It  
is intended for sound reinforcement, studio, choir, and other applications where  
high channel to size ratio is desirable. Since the MONO/STEREO switch is after  
the pan control, it will mix 2 MONO signals and their balance can be adjusted with  
the Pan control. Up to six individual monitor mixes may be listened to via the rear  
panel TRS stereo insert jacks. The RA62HA has an FR4 double sided circuit  
board and painted steel chassis. It has six 1/4" stereo headphone outputs, one 1/  
4" TRS stereo input located on the front panel. Right and Left 1/4" Input jacks, and  
six 1/4" Insert jacks are located on the rear panel.There are two Auxiliary Inputs  
(right and left) located on the rear panel. Each channel has a Volume control,  
panning and balance is controlled via the Pan control located on the front panel,  
and the unit features a MONO/STEREO switch.  
4
8
6
4
3
1
5
2
8
4
3
1
FEATURES  
• 6 Headphone Outputs with Level Controls  
• 6 TRS Stereo Insert jacks for separate use of each channel  
• Up to 500 mW output per jack - it's loud  
• Stereo/Mono Switch - allows mixing 2 mono signals  
• Front and rear panel input jacks  
2
5
2
5
2
5
• DC to 30 kHz response for accurate sound reproduction  
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8
4
8
4
INSPECTION  
1. Unpack and inspect the RA62 box and package.  
If obvious physical damage is noticed, contact the carrier immediately to make a  
damage claim.We suggest saving the shipping carton and packing materials for  
safely transporting the unit in the future.  
2. Please complete the Warranty Registration Card and return it to the factory.  
2
5
2
5
2
5
8
4
8
4
8
4
5
2
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DESCRIPTION  
CONNECTION  
FRONT PANEL  
Connect the AC cord to a properly grounded ac outlet.  
PAN  
STEREO  
INPUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
HEADPHONE  
AMPLIFIER  
Determine which input configuration you will use; either discreet right/left, TRS  
stereo, or mono.  
PWR  
RA62  
VOLUME  
VOLUME  
VOLUME  
VOLUME  
VOLUME  
VOLUME  
MONO  
STEREO  
Note: Descriptions for Channel One through Channel Six are identical.  
OUT 1 - 6 : 1/4Tip-Ring-Sleeve jack for connection to a standard pair of head-  
phones.  
VOLUME 1 - 6: Controls the amount of output signal from the indicated channel.  
MONO/STEREO SWITCH: When this switch is pressed in, the Right and Left  
channels are summed together providing a mono output signal.  
PAN: Controls the relative amount of signal sent to the Right and Left output  
channels.  
For a discreet right/left input configuration, connect a 1/4TS plug containing the  
Rightportion of the stereo signal to the Right Main Input. Connect a 1/4TS plug  
containing the Leftportion of the stereo signal to the Left Input.  
For a TRS stereo input configuration, connect a Tip-Ring-Sleeve stereo plug into  
the front panel STEREO IN input.This cable may come from a mixers headphone  
output for example.  
STEREO IN: 1/4TRS input jack which paralells the rear panel Right and Left  
input jacks.  
POWER LED: Indicates that the RA62 is connected to the power supply and is  
on.  
To send a mono signal to the RA62, connect a 1/4Tip-Sleeve plug into either the  
Right or Left input and press in the front panel MONO/STEREO switch.This mono  
signal will be fed to both the right and left sides of the headphone outputs.  
The Aux Inputs are connected in the same manner as the discreet right/left input  
configuration listed above.  
REAR PANEL  
62-  
MAIN INPUT  
AUX INPUT  
LEFT  
120 VAC  
50/60 Hz 15 VA  
INSERT  
6
INSERT  
5
INSERT  
4
INSERT  
3
INSERT  
2
INSERT  
1
INSERTS  
SERIAL NUMBER  
MODEL RA62  
RIGHT  
LEFT  
RIGHT  
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
The inserts have been provided so you can directly access each headphone  
output with its own program material.  
The inserts require Tip-Ring-Sleeve connectors, with right and left signals on the  
tip and ring respectively. If you use a TS mono plug - you will only hear sound out  
of one side.  
NRTL /C  
WARNING: DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.  
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT NOT REMOVE BACK.  
NO USER SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL  
MADE IN U.S.A.  
RISQUE DE CHOC NE PAS ENLEVER  
-
120 VAC INPUT: Connects to a properly grounded AC outlet.  
MAIN INPUT: 1/4TRS jacks for connecting to the desired Right and Left program  
material.  
AUX INPUT: Additional 1/4unbalanced inputs - for use in the event  
When these insert jacks are used, the main Right/Stereo and Left/Mono, as well  
as the Aux Inputs - are disconnected. Only the stereo signals sent to the Insert  
jacks go to that corresponding output.  
Note:The description for the Channel Inserts pertains to all six channels.  
CHANNEL INSERTS:  
CAUTION: Plugging a mono 1/4TS plug into the Headphone  
Outputs may cause permanent damage to the unit because  
one side would be shorted to ground. Never plug a mono plug  
into any of the Headphone Outputs.  
Tip  
Ring  
Sleeve  
(ground)  
3
4
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