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SERVICE MANUAL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5
PRE AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7
POWER AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-9
VOLTAGE SELECTOR BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
PRE AMP AND POWER AMP ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
8" SPEAKER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
POWER CORD CABLE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13-14
PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
EXPLODED VIEW DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16-18
POWERED SUBWOOFER
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Table of Contents
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Summary of Contents for Celestion S8
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Page 1: Table Of Contents
POWERED SUBWOOFER SERVICE MANUAL CONTENTS SPECIFICATIONS ..............2-5 PARTS LIST: PRE AMPLIFIER BOARD . -
Page 2: Specifications
POWERED SUBWOOFER SPECIFICATIONS GENERAL SPECIFICATIONS Typical LIMIT UNIT CONTINUOUS POWER (@ 85Hz, 0.17% THD) THD (@85Hz 75W ) 0.08 0.15 CLIPPING POWER (Output 1% THD) INPUT SENSITIVITY @ 85W 4 ohm 85Hz LINE . INPUT VOL . Max +/-10% SPK . INPUT VOL . Max +/-10% S/N @ 8W 85Hz... - Page 3 POWERED SUBWOOFER SPECIFICATIONS 12) LINE OUTPUT LINE IN @ 1KHz 1V INPUT ( 0 dB O/P Ref ) Freq VOL Set to Max. +/-10% 13) SPEAKER OUTPUT HI PASS FILTER -3dB +/-10% ( SPEAKER IN @1KHz ) @ 4 Ohm Load 14) SPEAKER OUTPUT HI PASS FILTER ROLL-OFF +/-1...
- Page 4 POWERED SUBWOOFER SPECIFICATIONS WOOFER SPECIFICATIONS Rated Impedance 4 ohms +/- 0.8 at 1V 200 Hz Voice coil DCR 3.2 +/-0.16 ohm Sweep Test Sine Wave 6V at 20-20K Hz Resonant Frequency (Fo) 40 +/- 8 Hz Sensitivity 89 dB/W/m Rated Power Input Maximum Power Input 160W Power Test...
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Page 6: Parts List
POWERED SUBWOOFER PARTS LIST PRE AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY QTY PART NO DESCRIPTION LOCATION 150F-101K-5-IEA CC 50V 100PF 10% RL 5X3 150F-104M-N-FD CC 50V 0.1µF 20% RLF 150F-271K-5-IEA CC 50V 270PF 10% RL 5x3 C3,11 150F-334M-N-JJA CC 50V 0.33µF 20% RLF MO C4,5,12,13 153H-104K-5-QUA CM 100V 0.1µF 10% RL 9X11 CENTRALAB... -
Page 7: Power Amplifier Board
POWERED SUBWOOFER PARTS LIST PRE AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION 4750-5520-0 VR 20KAX1 VR16N20K15A20K L=15MM 4750-5530-0 VR 10KBX1 VR16N20K15B10K L=15MM 4837-3V36-2 DZ 1/2W +-5% 3.3V TEMIC 4837-5V16-2 DZ 1/2W 5.1V "TEMIC" AT Z1,2 4840-8060-2 DIODE 1N4148 NS D1,2... - Page 8 POWERED SUBWOOFER PARTS LIST POWER AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION 1806-2393-0 TT-9904 LE 1012A 1X12TX6MM SPRING COIL L1 2101-1231-0 SPADE TERMINAL 6.3X0.8 STRAIGHT AC1,AC2,VO 2954-3014-3000 B-TITE 3X14MM(BLK.ZN) 3130-3020-0 IC LM7915CT REGULATOR 3130-3030-0 IC LM7815CT REGLATOR 3130-3550-0 IC TA7317P 3130-4080-0...
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Page 9: Voltage Selector Board
POWERED SUBWOOFER PARTS LIST POWER AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION 485D-1390-5 TR BD139-10 PHILIPS HHE63-160 4860-1430-5 TR BD140-10 HFE 63-160 4860-8770-0 TR FET J112 4860-8890-0 TR MPS A06 VCE 80V NS Q12,13 4860-8910-0 TR MPS A56 VCE 80V NS Q9,11,18 4860-5050-5... -
Page 10: Pre Amp And Power Amp Assembly
POWERED SUBWOOFER PARTS LIST PRE AMP & POWER AMP ASSEMBLY QTY PART NO DESCRIPTION LOCATION 1402-3070-0 X'FORMER MTG. BKT 1403-6370-0 REAR PANEL FC310C (CELESTION) 1725-327A-0000 INSULATION PCB-3 PANEL 1806-2413-0 TT-00017 115V/230V TOROIDAL TRANSFOMER 2436-6501-1 VOL/FREQ KNOB VR FREQ PHAS 2600-3005-0800 METAL WASHER M3X0.5X8MM ZNC... -
Page 11: 8" Speaker Assembly
POWERED SUBWOOFER PARTS LIST 8" SPEAKER ASSEMBLY QTY PART NO DESCRIPTION LOCATION 8900-5740-0 8"WOOFER F-SUB POWER CORD CABLE ASSEMBLY QTY PART NO DESCRIPTION LOCATION 7011-6220-0 H05VV-F 0.75MM/3C 2M BLK EU 7011-5030-0 TC1490GP 3CORE CORD 1/P 2M BK 1-51-320 7011-6210-0 SJT #18 /3C 2M BLK POWER CORD 1-51-438... -
Page 12: Block Diagram
POWERED SUBWOOFER BLOCK DIAGRAM... -
Page 13: Schematic Diagrams
CELESTION S8 Pre Amp Schematic... - Page 14 CELESTION S8 Power Amp Schematic...
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Page 15: Pcb Layout
Pre Amplifier PCB Component Side Power Amplifier PCB Component Side Voltage Selector PCB Component Side CELESTION S8 PCB Layout... -
Page 16: Exploded View Diagrams
2954-3010-3000 VOL/FREQ KNOB 2436-6501-1 SCREW M4*10 (BLK) 2904-4010-3000 SCREW M3*6 BINDING (BLK) 2904-3006-3000 SCREW M3*10 (BLK) 2904-3010-3000 NUT HEX M4 2640-4030-0704 INT TOOTH WASHER M4*0.8*8.5MM 2606-4008-0853 CELESTION S8 SPRING WASHER M4*1*7MM NI 2607-4010-0704 M3 NUT 2640-3022-0540 Exploded View TRANSFORMER 1806-2413-0... - Page 17 CELESTION S8 Packing Exploded View...
- Page 18 FC311C-US(S8MKII 110V BLACK) FC312C-US(S8MKII 110V GRAY) REF DESCRIPTION PARTS NO. REF DESCRIPTION PARTS NO. REF DESCRIPTION PARTS NO. CABINET FOR S8 CHERRY 1403-4320-0 CABINET FOR S8 BLACK 1403-4320-1 CABINET FOR S8 GRAY 1403-4320-2 PORT TUBE D74*100MM 4153-4591-1 PORT TUBE D74*100MM...
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