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7. SPECIFICATIONS

SR-6520PD / SR-8520PD

Part Number: 

100V Version:  071-6521-270 / 071-8521-270

120V Version: 071-6521-200 / 071-8521-200

230V Version: 071-6521-260 / 071-8521-260

230V Version: 071-6521-240 / 071-8521-240 U.K.

240V Version: 071-6521-230 / 071-8521-230 AUST.

Type Specification:

SR-6520PD: PR189 

SR-8520PD: PR189

Power Specification:

100V Version:  100VAC, 50/60Hz, 1200W

120V Version:  120VAC, 60Hz, 1200W

230V Version:  230VAC, 50Hz, 1200W

240V Version:  240VAC, 50Hz, 1200W

POWER AMPLIFICATION SECTION:

Power Output:

520W RMS @ 2

350W RMS @ 4

Min. Load Impedance:

2

Distortion at 520W:

Less than .2% @ 1kHz into 2

Input Sensitivity:

1.28V RMS

Input Impedance:

22k

DELTACOMP

TM

Range:

20dB

PRE-AMPLIFIER SECTION:

LOW-Z Input Impedance:

1.82k

HI-Z Input Impedance:

18.2k

HI-Z Input Sensitivity for 520W:

55mV RMS

(MAIN MASTER and Channel

MAIN at maximum, all tone

controls and GEQ at "0"

detent, power amp at 

520W, 4 

).

Channel Tone Controls:

LOW    +/– 15 dB at 100 Hz

MID      +/– 15 dB at 750 Hz

HIGH    +/– 15 dB at 10 kHz

Graphic Equalizer:

+/– 12dB at 63, 125, 250, 500, 1k, 2k, 4k, 8k and 

16 kHz.

PHYSICAL SPECIFICATIONS:

SR6520PD                                                           SR8520PD

Height:

10-7/16 Inches   ( 26.5 cm ) 

Height:

10-7/16 Inches   ( 26.5 cm )

Width:

23-5/8 Inches     ( 60.0 cm )

Width:

27-5/8 Inches     ( 70.2 cm )

Depth:

12 Inches            ( 30.5 cm )

Depth:

12 Inches            ( 30.5 cm )

Weight:

40.0 lbs.             ( 18.2 kg )

Weight:

42.0 lbs.             ( 19.1 kg )

WARNING: NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL ONLY.

THIS EQUIPMENT MUST BE EARTH GROUNDED.

Summary of Contents for SR-6520PD

Page 1: ...Owner s Manual for SR 6520PD SR 8520PD P N 049152...

Page 2: ...TOM POWER 2 3 10 DELTACOMPTM 2 3 11 POWER LED 2 4 PATCH BAY 2 4 1 MAIN OUTPUT 2 4 2 MONITOR OUTPUT 2 4 3 EFF OUTPUT REVERB FOOTSWITCH 2 4 4 GEQ OUTPUT 2 4 5 GEQ INPUT 2 4 6 AUX INPUT 2 4 7 TAPE INPUTS...

Page 3: ...PUT GEQ INPUT POWER AMP SPEAKER OUTPUT 2 OHM MINIMUM EFFECTS OUTPUT REVERB FT SW EFF REV SEND LEVEL MONITOR OUTPUT MONITOR MASTER REVERB RETURN TO MONITOR REVERB RETURN TO MAIN AUX LEVEL AUX INPUT R L...

Page 4: ...ed for balanced input signals from low impedance microphones To avoid clipping in the input stage signal levels should not exceed 0 8 VRMS Higher amplitude signals such as balanced line levels signals...

Page 5: ...tor LED Engaging the switch applies 15 volts of phantom power to all the XLR microphone input con nectors for powering electret condenser microphones When the LED is illuminated the phantom power is o...

Page 6: ...uted to the Main buss by way of the AUX LEVEL control In emergencies it is possible to use the AUX INPUT as a line level preamp channel although it lacks the preamp channel s equalization monitor and...

Page 7: ...is 5 straight up Assuming that the various vocalists use similar miking techniques and sing at similar volumes the levels appearing in the monitor mix should be fair ly matched Further adjustments ca...

Page 8: ...pad A 30 dB pad can be made by using a Switchcraft con nector part S3FM with the resistor network shown in Figure 4 4 5 PATCHING Figures 5 through 8 show possible ways of patching external equipment...

Page 9: ...y 1 28V RMS Input Impedance 22k DELTACOMPTM Range 20dB PRE AMPLIFIER SECTION LOW Z Input Impedance 1 82k HI Z Input Impedance 18 2k HI Z Input Sensitivity for 520W 55mV RMS MAIN MASTER and Channel MAI...

Page 10: ...VERB TAPE ECHO DOUBLE HIT DELAY MULTI TAP DELAY REVERB DELAY TIME LARGE ROOM REV SMALL ROOM REV LARGE HALL REV SMALL HALL REV DEFEAT DIGITAL REVERB and EFFECTS E L E C T R O N I C S TAPE INPUTS TAPE O...

Page 11: ...OUTPUT MONITOR OUTPUT EFF OUTPUT REVERB FOOTSWITCH GEQ OUTPUT GEQ INPUT PWR AMP INPUT SYSTEM PATCH BAY PHANTOM POWER OFF ON 12 12 9 9 6 6 3 3 0 0 3 3 6 6 9 9 12 12 dB dB dB dB 63 125 250 500 1K 2K 4K...

Page 12: ...4 2 2 4 8 16 CHART A Parallel Impedance Example Cabinet A is 8 ohms Cabinet B is 4 ohms The total impedance when connected in parallel is 1 2 7 ohms 1 8 1 4 2 n 1 1 1 Z 1 Z 1 Z Zp 18 20 24 32 10 12 1...

Page 13: ...HIGH 15 15 LOW 15 MAX MON 0 0 MICROPHONE LINE 1 MAX EFF REV 0 0 15 HIGH 15 15 LOW 15 MAX MON 0 0 MID 15 15 MID 15 15 MAIN MAIN MICROPHONE LINE MAIN OUTPUT MONITOR OUTPUT EFF OUTPUT REVERB FOOTSWITCH G...

Page 14: ...INE MAIN OUTPUT MONITOR OUTPUT EFF OUTPUT REVERB FOOTSWITCH GEQ OUTPUT GEQ INPUT PWR AMP INPUT SYSTEM PATCH BAY PHANTOM POWER OFF ON 12 12 9 9 6 6 3 3 0 0 3 3 6 6 9 9 12 12 dB dB dB dB 63 125 250 500...

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