Koch Twintone-II 电路图.pdf

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1、REL3 REL1 REL2 to fx mixer V1 - 12AX7LM V2,3 - 12AX7 R15R14 R21 R17 R10 R16 R26 R9 R22 R25 R5 R29 R3 R24R18 R6 R27R11 R4 R23 R19 R13R20 R7 R28 R12 P5- B P5- A P1 P6 P2 P7 P4 P3 P8 220K470K 470K 47K 33K 470K 470K 220K 470K 2n2 470K 100K 33K 100K 1W 100K 1W 100K 1W 100K 1W 100K 1W 150K 1W 1K5 1K5 1K5

2、1M 220K 1K5 820E 1W 2K7 A500K A500K B200K B200K A200K A1M A1M B20K B20K +E +D+E +D +D+E C6 C17 C8 C11 C12 C10 C14 C13 C3 C19 C2 C18 C4 C20 C16 C1 C15 C7 C9 C5 100n 47n47n 470p 270p 470p 4n7 100n 22n 270p 470p 47n 22n 470p 22u 470n 22u 680n 47n 3 33 8 88 2 22 7 77 1 11 6 66 V1A V3A V2A V2B V3BV1B CW

3、CW CW CW CWCW CWCWCW TREBLE BASS MID TREBLE BASS MID VOLUME DRIVEPRESENCEVOLUME R2 R1 R8 10K 1M 100K Normal INPUTS Bright Clean 1 8 3 7 6 45 2 TWINTONE II PRE-AMP PAGE: 1 of 5 KOCH GUITAR ELECTRONICS Amersfoort The Netherlands DRAWN: Dolf Koch c Copyright 2005, Koch Guitar Electronics R30 R31 R32 P1

4、2 P11 470K 100K 1W 220K 1W A200K B1M C23 C22 C21 270p 4n7 120p CW CW SERIAL NRS: x1434 - x3070 DATE: 25-07-2005 MARK 2.0 RadioFans.CN 收音机爱 好者资料库 R52 R46 R47 R50 R51R48 R49 33E 3W 10K 10K 470K 6K8100K 6K8 +F - F C30 C31 33n 100n - + 2 3 7 6 4 IC3 T1 T2 REL5 REL4 P12 25K CW R45 R41 R55 R56 R42 R40 R54

5、 R43 R44 R53 P11 10K 1K 47K 1K 47K 220K 10K 47K 1K 220K B20K +G +G - G - G C32 C33 2n2 68n + + + - - - 5 3 3 6 2 2 8 7 7 6 1 4 4 IC1B IC2 IC1A CW TO FX-in Serial Parallel FROM FX-out VOLUME Reverb/ FX Mix RHYTHM VOLUME REVERB out in reverb can: Accutronics 4AB3C1B to pwr amp from preamp IC1 - OP249

6、IC2 - TL071 IC3 - TL061 T1 - BD136 T2 - BD135 FX MIXER PAGE: 2 of 5 KOCH GUITAR ELECTRONICS Amersfoort The Netherlands DRAWN: Dolf Koch c Copyright 2005, Koch Guitar Electronics TWINTONE II DATE: 25-07-2005 MARK 2.0 SERIAL NRS: x1434 - x3070 RadioFans.CN 收音机爱 好者资料库 br pu gy gn rd bl ye R69 R77 R78 R

7、79 R81 R72 R60 R68 R61R66 R67 R65 R63 R64 R62 R80 R75 R76 R82 R70 R71 BIAS R73 30- 40mV DC 30- 40mV DC adjust with P13 (use matched EL34s only) R74 47K 2K2 220E 2W 100mH 22K 220E 2W 47K 100K 47K 470K6K8 220E 120K 1W 1M 100K 1W 10K 1K 1K 5W 1K 5W 8E2 50W 220K 220K 1E 1W 1E 1W +B +B +HT +C - F C41 C42

8、 C40 C43C44 C45 100n 100n 100u 25V 33n33n 470n TX1 S1 83 1- 8 1- 8 72 5 5 4 4 61 3 3 V4BV4A V5 V6 from fx mixer SPEAKER OUTPUTS 8 ohms 4 ohms RECORDING HEADPHONES V4 - 12AX7 V5,6 - EL34 TX1 - VDV- G50 POWER AMP PAGE: 3 of 5 KOCH GUITAR ELECTRONICS Amersfoort The Netherlands DRAWN: Dolf Koch c Copyri

9、ght 2005, Koch Guitar Electronics TWINTONE II DATE: 25-07-2005 MARK 2.0 SERIAL NRS: x1434 - x3070 RadioFans.CN 收音机爱 好者资料库 P13 25K CW R93R92R91R90 R95R94 R96 R100 R99 R98 Z2 Z3 Z4 R97 220E 5W 3K3 1W 3K3 1W 10K 220E 220E 33E 3W 22K 1K 470K T0.5A AT1.6 Ceramic T0.5A 1K +G+H+F +F - G- F +HT+B+C+D+E BIAS

10、 C59C57C56 C54C53C52C51C50 C60 C62C61 C58 C55 3300u 16V 100u 25V 1000u 16V 47u 450V 47u 450V 22u 450V 22u 450V 22u 450V 3300u 16V 100u 100V 4u7 100V 100u 25V 47u 450V 10V 40V 300V TX2 gn gn gy pu gy pu 4x 1N4007 2x 1N4007 1N4007 T3 - BC547 TX2 - TXM- 50.4 STANDBYHT FUSE filaments V1- V4V5- V6 4 2 5

11、7 9 Z1 230V - T1.6A 100/115V - T3.15A MAINS POWER ye 115 V 230 V 100 V rd gy bk or bn 100E100E C65C66 C63C64 R105R106 100u 16V 100u 16V 6,5V bl bl 4x 1N4007 to filaments V4- 8 R107 0,47E 3W 15000u 10V 15000u 10V to filaments V1- 3 POWER SUPPLY PAGE: 4 of 5 KOCH GUITAR ELECTRONICS Amersfoort The Neth

12、erlands DRAWN: Dolf Koch c +HT T3 GreenRed 2K22K2 2K2 1M R103R104 R102 R101 STANDBYPOWER Copyright 2005, Koch Guitar Electronics TWINTONE II DATE: 25-07-2005 MARK 2.0 SERIAL NRS: x1434 - x3070 R119 R124 R116 R122 R111 S2 R120 R113 R114 R110R112R118 R123 R115 R121 10K 10K 10K 10K 1K 1K 1K 1K 10K10K1K

13、 1K 1K 1K 46 7 3 1 2 5 +R +R REL 4 REL 1 REL 5 REL 2REL 3 T4T7 T8 T11T10 T5 T6 T9 T12 1N4148 1N4148 1N4148 1N4148 FOOTSWITCH CHANNEL SWITCH R117 10K C73C71 10u10u Rhythm VolumeReverb LOGIC PAGE: 5 of 5 KOCH GUITAR ELECTRONICS Amersfoort The Netherlands DRAWN: Dolf Koch DATE: 25-07-2005 c Copyright 2005, Koch Guitar Electronics T4- 12 - BC547 9 10 11 TWINTONE II MARK 2.0 SERIAL NRS: x1434 - x3070