+ SORT THROUGH APPROPRIATE POWER TRANSFORMERS
+ TEST 2 POSSIBLE TRANSFORMERS:
- FENDER TYPE - VOLTAGE (UNLOADED)
+ RED-RED: 345VAC HV B+
+ BRN-BRN: 41.7VAC BIAS
+ GRN-GRN: 7.25VAC HEATER
- FISHER (ORIGINAL) - VOLTAGE (UNLOADED)
+ RED-RED/YEL: 178VAC HV B+
+ BRN-OR: 25.2VAC BIAS
+ BLU-WHT: 7.0VAC HEATER
+ GRN-YEL: 7.1VAC HEATER (ACC - SMALLER GAUGE)
+ * FISHER PWR USES VOLTAGE DOUBLER TO ACHIEVE
+ TEST 2 POSSIBLE TRANSFORMERS:
- FENDER TYPE - VOLTAGE (UNLOADED)
+ RED-RED: 345VAC HV B+
+ BRN-BRN: 41.7VAC BIAS
+ GRN-GRN: 7.25VAC HEATER
- FISHER (ORIGINAL) - VOLTAGE (UNLOADED)
+ RED-RED/YEL: 178VAC HV B+
+ BRN-OR: 25.2VAC BIAS
+ BLU-WHT: 7.0VAC HEATER
+ GRN-YEL: 7.1VAC HEATER (ACC - SMALLER GAUGE)
+ * FISHER PWR USES VOLTAGE DOUBLER TO ACHIEVE
430VDC B+; ALSO VERY HEAVY, AS IT WAS DESIGNED
FOR MORE TUBES/CURRENT
- CONSIDER STANDBY SWITCH LOCATED AT OUTPUT TUBES CATHODES
+ SEE TUT1, P 6-58
- RE: REVERB CIRCUIT ADD-ON, CONSIDER ADDITIONAL
- CONSIDER STANDBY SWITCH LOCATED AT OUTPUT TUBES CATHODES
+ SEE TUT1, P 6-58
- RE: REVERB CIRCUIT ADD-ON, CONSIDER ADDITIONAL
HEATER CURRENT REQUIREMENTS
+ SEE TUT1, P 8-23 FOR POSSIBLE SOLID STATE VERSION
+ 2N5485 N-CH JFET, MTP2N45 (OBSOLETE) N-CH PWR MOSFET
+ 10K:2 OHM TRANSFORMER - POSSIBLY USE HAMMOND
+ SEE TUT1, P 8-23 FOR POSSIBLE SOLID STATE VERSION
+ 2N5485 N-CH JFET, MTP2N45 (OBSOLETE) N-CH PWR MOSFET
+ 10K:2 OHM TRANSFORMER - POSSIBLY USE HAMMOND
125E UNIVERSAL O/P XFMR
+ IMPEDANCE MATCH NEGLIGIBLE: USE 9AB3C1B
+ IMPEDANCE MATCH NEGLIGIBLE: USE 9AB3C1B
ACCUTRONICS TANK: LONG REVERB, 6 SPRINGS, LONG DECAY
+ ANOTHER THOUGHT - ADD ON AN ADDITIONAL
+ ANOTHER THOUGHT - ADD ON AN ADDITIONAL
TRANSFORMER FOR EXTRA TUBE AND ADDITIONAL
SOLID STATE (RELAY) SWITCHING
+ NEED TO LOOK FOR POSSIBLE CHASSIS
(2.5HRS)
(2.5HRS)
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