I have a pair of small power and output transformers
Power transformers are 480 center tapped at about 60ma 6.3 volts at 2.5 amps
output transformers are 3k to 8 ohms about 5 watts.
High voltage will be limited to about 300 to 320 volts with ss rectifier.
I was thinking about using a 6av5 in triode and 6ab4 as a driver. 6av5 will be biased like a 2A3. Does this seem like a workable idea?
Power transformers are 480 center tapped at about 60ma 6.3 volts at 2.5 amps
output transformers are 3k to 8 ohms about 5 watts.
High voltage will be limited to about 300 to 320 volts with ss rectifier.
I was thinking about using a 6av5 in triode and 6ab4 as a driver. 6av5 will be biased like a 2A3. Does this seem like a workable idea?
It should work. I'm assuming that you are going to use point to point wiring since neither of those tubes will fit in the SSE board.
The 6AB4 is half a 12AT7. The 6AV5 when triode wired works very much like a 2A3. Sylvania even created some 6B4GA's by rewiring the base of a 6AV5GA as a triode to fulfil some government contracts. The 6B4 is a 6 volt 2A3.
The 6AB4 is half a 12AT7. The 6AV5 when triode wired works very much like a 2A3. Sylvania even created some 6B4GA's by rewiring the base of a 6AV5GA as a triode to fulfil some government contracts. The 6B4 is a 6 volt 2A3.
It will be point to point. I'll have th check out your site on the 6v6 version for power supply setup.
The 6V6 amp may not be documented on the site. Everything is the same as the larger amp except for the smaller power transformer. I used an Allied 6K56VG which is 540 VCT, but I ran the tube rectifier for about 320 volts of B+.
Operation at this low B+ voltage requires replacing the 10K resistor in series with the 10M45 chip with a piece of wire. The resistor drops about 100 volts, which keeps the chip cooler on 450 volts of B+, but is not needed, or wanted on 350 volts or less.
Operation at this low B+ voltage requires replacing the 10K resistor in series with the 10M45 chip with a piece of wire. The resistor drops about 100 volts, which keeps the chip cooler on 450 volts of B+, but is not needed, or wanted on 350 volts or less.
If you don't already have your 6AV5's, look for some 6FW5's. They are all 6AV5GA's with the 18 watt plates.
The 6AV5 evolved over the years and are not all the same. Some have rather wimpy 12 watt plates.
The 6AV5 evolved over the years and are not all the same. Some have rather wimpy 12 watt plates.
My power goal is about 3 watts due to the size of my output transformers but found 3 fw5'son ebay cheeeeeeeeeep!