User manual ROLLS RA62
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Manual abstract: user guide ROLLS RA62
Detailed instructions for use are in the User's Guide.
[. . . ] In the absence of such purchase receipt, the warranty period shall be one (1) year from the date of manufacture. This warranty shall be invalid if the product is damaged as a result of defacement, misuse, abuse, neglect, accident, destruction or alteration of the serial number,
VOLUME VOLUME VOLUME VOLUME VOLUME OUT OUT OUT OUT OUT OUT
RA62
Stereo Headphone Amplifier
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. This one-year warranty is in lieu of all expressed warranties, obligations or liabilities. [. . . ] R O N T IN P H O N E 1 /4 J7
R 202 51 R 203 30 VDD VDD Q8 2N 2907 VDD VCC VCC C5 6 120P. 5 1 R 307 10K 3 Q 21 M PSA06 VCC 30 U2A CHANNEL2
R 715 100K
D3 1N 4001 D4 1N 4001 SW ?SPST AC M 1 2
D1 1N 4001 C15 D2 1N 4001 C18 503
VCC
7
2200UF
POW ER
J3 P100K X2 P3B 6 R 308 10K P H O N E 1 /4 VCC
C14
D9 LDSG
2200UF
R57 4. 7K
VDD
CHANNEL3 30 VDD Q 12 2N 2907
C6 120P.
2 AC PLU G
ROLLS CORPORATION
5143 South Main Street Salt Lake City, UT 84107 Title Size:
HEADPHONE AMPLIFIER RA62
Document Number: Rev: RA62. SCH C Rb Date: 29-Mar-1999 Sheet 1 of 1
INTRODUCTION
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 · DC to 30 kHz response for accurate sound reproduction
2. Please complete the Warranty Registration Card and return it to the factory.
INSPECTION 1. 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.
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.
2
DESCRIPTION FRONT PANEL
PAN
OUT OUT OUT OUT OUT OUT STEREO INPUT PWR VOLUME VOLUME VOLUME VOLUME VOLUME VOLUME MONO STEREO
CONNECTION Connect the AC cord to a properly grounded ac outlet.
HEADPHONE AMPLIFIER
RA62
Determine which input configuration you will use; either discreet right/left, TRS stereo, or mono. For a discreet right/left input configuration, connect a 1/4" TS plug containing the "Right" portion of the stereo signal to the Right Main Input. Connect a 1/4" TS plug containing the "Left" portion 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. To send a mono signal to the RA62, connect a 1/4" Tip-Sleeve plug into either the Right or Left input and press in the front panel MONO/STEREO switch. [. . . ] CHANNEL INSERTS:
INSERTS 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. When these insert jacks are used, the main Right/Stereo and Left/Mono, as well as the Aux Inputs - are disconnected. [. . . ]
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