User manual ROLLS RA63B QUICK START

[. . . ] DISTRIBUTION AMPLIFIER MONO RA63b 1 2 1 2 3 4 CONFIGURATION 5 MADE IN USA www. rolls. com STEREO 3 LEFT 4 MONO: STEREO: 1X8 2X4 1 6 7 8 GAIN 0 dB +20 dB DISTRIBUTION AMPLIFIER 8 Channel Mono 4 Channel Stereo pwr 2 RIGHT 3 4 RA63b FEATURES · Stereo 4 channel, Mono 8 channel audio distribution · Screw driver adjustable front panel volume controls · Balanced inputs and outputs SPECIFICATIONS Input Impedance: Max Input Level: I/O Connectors: Output Impedance: Max Output Level: Max Gain: S/N Ratio: Frequency Response: THD: Power: Size: Weight: ROLLS CORPORATION SALT LAKE CITY, UTAH 02/10 100 K balanced +22 dBV Screw terminal; + -, and ground 50 balanced +24 dB 20 dB >90 dB 10 Hz - 40 kHz, +/- 1 dB <. 008% 120 VAC 50-60 Hz, 15VA 19" x 1. 75" x 6. 5" (48 x 4. 5 x 17 cm) 7 lbs. [. . . ] NOTE: THIS MANUAL ASSUMES THE USER HAS A BASIC WORKING KNOWLEDGE OF AUDIO ELECTRONICS, BALANCED AND UNBALANCED CONNECTIONS, AND PROPER SIGNAL LEVEL SETTING. DESCRIPTION FRONT PANEL MONO INSTALLATION Install the RA63b in a standard 19" rack. The unit is intended for installations where several zones or areas need to be controlled and a high level balanced signal is required to drive the input lines. SCHEMATIC Sheet 1 of 1 Date: 4 MARCH 2010 POWER D5 LDSG OUT + OUT + OUT - OUT - OUT + OUT + OUT - OUT - GND GND R32 51 C31 10U 1 C41 10U 2 C32 10U 3 4 5 R12 51 C11 10U 1 C10 503 C42 10U ROLLS CORPORATION 2 C12 10U 3 4 10U 5 C21 R4 4. 7K 84107 C22 10U CONFIGURATION 120PF www. rolls. com STEREO 1 2 LEFT 3 4 MONO: STEREO: 1X8 2X4 1 2 RIGHT 3 4 pwr RA63b 7 7 C33 C43 7 7 +12 +12 C20 D2 D3 R33 R43 C19 D1 R31 10K 1 R11 10K 1 R21 10K 1 R41 10K T1 ROLLS P/N 812 4560 4560 4560 4560 U1CA U1BA 1 U1AA -12 U1A -12 +12V C3 503 2 3 2 3 P4 10K P3 10K +12V P1 10K P2 10K C2 503 2 3 2 3 SW SPST CH 2 CH 3 CH 1 CH 4 +12V C1 503 MONO 2X4 DUAL 1X8 MODEL RA63b 50/60 Hz 15 VA MADE IN USA RIGHT LEFT 120 VAC www. rolls. com R1 C18 120PF 100K 4560 OUT + OUT + OUT + OUT - OUT - OUT - U7A R52 51 C51 10U 1 C71 10U 1 1 3 2 C52 10U 3 4 10U 5 2 C72 10U 3 C81 4 20 dB BOOST DPDT 4 S1B 5 6 R9 100K C62 10U 10U 5 2 3 1 20 dB BOOST R3 10K C9 120PF 4560 51 C61 R2 10K U8A R64 51 51 R54 R72 51 R74 C15 120PF R8 +12 10K R53 10K U1DB U1DB U1EB 120PF +12 +12 +12 U7B U8B +12 R15 +12 R5 10K R10 10K R63 U1EB 6 5 6 5 6 5 R73 6 4560 U1DA U1DA U1EA 4560 U1EA -12 -12 -12 2 3 2 3 2 3 2 CH 7 CH 5 CIRCUIT GROUND +IN +IN -IN -IN CH 6 CH 8 -+ + = In-phase or "Hot" - = Out-of-phase or "Negative" (NOTE: This is NOT a ground connection) = Ground P6 10K 3 P5 10K P7 10K P8 10K 1 2 3 4 5 -12 MONO 1 - 8, STEREO 1 - 4: For each channel; the two terminals labeled + for the positive or "hot" portion of the output signal, and the - for negative or neutral portion. The ground signal indicates the terminal to be connected to ground. 6 5 C7 6 5 R51 10K R61 10K R71 10K 1 R610K C6 120PF C8 102 R1810K C15 120PF C14 102 1 1 R81 10K R7 10K R19 10K 4560 4560 1 5 R83 4 8 4 8 4 8 4 8 INPUTS Right/Mono and Left: These five terminals, labeled + for the positive or "hot" connection, - for the negative connection, and the ground symbol for earth ground connection are for connection to the balanced or unbalanced input signal(s) to be distributed. R62 120PF R82 R84 51 7 4560 C83 10K 120PF -12 51 120PF 51 R17 10K R16 10K 7 7 7 C53 C63 7 4560 4560 10K 4560 4560 10K 4560 C73 7 10K 120PF 2 3 C82 10U 4 8 4 120 VAC 50/60 HZ 15 VA: Power Cord. Connect to a properly grounded AC source. -12 OUT - GND 2 DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER. [. . . ] STEREO/MONO CONFIGURATION To change the stereo/mono configuration of the RA63b, use the switch on the front panel to select the desired configuration. 1N4001 1N4001 4560 4560 D4 1N4001 4560 4560 C13 C23 1N4001 10K 10K U1CB U1BB C18 503 U1AB 10K +12 +12 R13 10K U1B R23 503 503 -15V 8 Channel Mono 4 Channel Stereo +15V MADE IN USA Document Number: RA63B. SCH 120PF 120PF 120PF 0 dB +20 dB 5968 S 350 W MURRAY, UT 1 2 3 4 5 6 7 8 GAIN DISTRIBUTION AMPLIFIER RA63B DISTRIBUTION AMPLIFIER C4 1000UF 16V R22 51 C5 1000UF 16V R34 51 R1451 R42 51 R24 51 R44 51 Rev: A [. . . ]