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Bluetone Plexi Baby Preamp schematics modified Marshall Plexi

Bluetone Plexi Baby Preamp schematics modified Marshall Plexi. D. 100 kohm. 2,2 nF. 12AX7. 500 pF. 12AX7. Bright. C. C. V. 1 Mohm. 470 kohm. 100 kohm. 500 pF. Guitar input. 2,7 kohm. 680 nF. Preamp out. T. 47 kohm. 250kohm. 47 kohm. D. 100 kohm. 100 kohm. 10 nF.

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Bluetone Plexi Baby Preamp schematics modified Marshall Plexi

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  1. Bluetone Plexi Baby Preamp schematics modified Marshall Plexi D 100 kohm 2,2 nF 12AX7 500 pF 12AX7 Bright C C V 1 Mohm 470 kohm 100 kohm 500 pF Guitar input 2,7 kohm 680 nF Preamp out T 47 kohm 250kohm 47 kohm D 100 kohm 100 kohm 10 nF 22 nF 1Mohm B 680 ohm 1 Mohm V 22 nF M 1 Mohm Dark 470 kohm 25 kohm 820 ohm 22 uF Harry Kneckt 23.7.2007

  2. Bluetone Plexi Baby Power amp schematics 47 kohm Power tubes 2xECL86 4,7 kohm 10 nF PI 2xECL86 8,2 kohm 10 nF Power amp in OT Hammond 125E 1 Mohm 82 kohm 470 kohm 470 ohm C B A 470 kohm 22 kohm 1 Mohm 100 kohm 8,2 kohm 10 nF 100 nF Presence 5 kohm 123ohm 100 nF MV 1 Mohm Dual Gang 1000 uF 4,7 kohm D Harry Kneckt 23.7.2007

  3. Bluetone Plexi Baby Power supply schematics 2x100 ohm Heaters 6,3 V AC 273 V 267 V 246 V PT 2x250V 100mA 6,3V 3A, 5V 2,1A 230 V D A B C 5Y3 Standby switch 1 kohm 10 kohm 180 ohm 2x250VAC 230 V AC 22 uF 47 uF 47 uF 47F Fuse 0,5 A Harry Kneckt 23.7.2007

  4. Bluetone Plexi Baby Voltage chart Preamp V1(12AX7) 1= 176 V 3= 1,51 V 6= 129 V 8= 0,82 V V2(12AX7) 1 = 123V 3 = 0,84V 6 = 246 V 8 = 124 V Power amp V1(ECL86) 2= 57 V 3 = 252 V 6 = 270 V 7 = 7,5 V 9= 187 V V2(ECL86) 2 = 57 V 3 = 255 V 6 = 273 V 7= 7,5 V 9 = 174 V Harry Kneckt 23.7.2007

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