The Defpom Forum, for RadioMods, S&M Software and Music by The Defpom

OK, got a schematic and the SSB cap was a 10uf at 150vdc. This amp has been moded for 4 17JG6's as the four drivers and 8 17JM6's as the output finals. After replacing a couple of caps, the plates are at 850 vdc. The best I can get her up to is 100 watts. All the stages show a definte increase in po...

OK, got a schematic and the SSB cap was a 10uf at 150vdc. This amp has been moded for 4 17JG6's as the four drivers and 8 17JM6's as the output finals. After replacing a couple of caps, the plates are at 850 vdc. The best I can get her up to is 100 watts. All the stages show a definte increase in po...

Does anyone know where I can get a schematic and or owners manual of the older D&A
phantom 500 12 tube version that used a 6AQ5 keying tube. I need to know the value of the SSB delay capacitor across the 6AQ5. I would be willing to purchase a manual and a schematic and pay postage for them.

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Does anyone know the value of the SSB capacitor across the 6AQ5 small keying tube?
I would suspect possibly a 10-47 uf but not sure.

Channel King 500+
The amp has 6 sockets. Five are 9 pin sockets and one is a 12 pin. Im told the 9 pin sockets are for 6JE6 tubes and I need to know what tube number goes in the 12 pin socket. That socket also has a plate cap connector. It is the driver stage.
Any help will be appreciated.

Channel King 500+ has 6 tube sockets and one of them is a 12 pin and the other 5 are 9 pin.
Does anybody know what the tube compliment is on this beast. I was told the 9 pin sockets belonged to 6JE6's. If thats true what is the 12 pin tube number?

Radio Make and Model: Channel King 500+ PCB Number: Tube Type PLL Number: Test gear available: Scope and Meter Symptoms: 12 pin tube socket What is working: Nothing What has been tried: Everything Did it suddenly happen ?: Yes Anything else that may be of help?: I know the 5 9 pin tube sockets are 6...

Radio Make and Model: Courier Port A Lab 500D PCB Number: NA PLL Number: NA Test gear available: Scope and Meter. Symptoms: The black wire coming from the center of the 50 ohm internal load resisters has broken off and I need to know where it goes so I can solder it back. What is working: All functi...