Tube Amp Archive

I've already read tony's post regarding dumblator. My question is already answered there.

Sidetrack question. Does dumblator adds gain and color to the sound? Planning to add that in my build. Thank you.

Going by the layouts in the file section here is a quick down and dirty more notable things I notice The closest you will get to an AB-76 Blackface Clean sound and feel would be a Low Plate Classic (wDeep switch) This will give you that classic scooped low plate 100k slope .047 mid cap Fender tone ...

norburybrook wrote: ↑Fri Oct 09, 2020 9:26 am with a strat the 100w Bluesmaster ODS without a doubt.

Stick the FET on a relay/footswitch as a clean boost or plug into the FET channel and you have a sparkly strat sound to die for




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That's pretty interesting. I'll going to check this one out. Thank you.

Thanks Phil. Maybe i should try the dumble 183. I like John Mayer cleans and i know that SSS is much more harder and expensive to make than ods. So I'll go with ODS.

Which of the dumble ods amp has better cleans for strat guitars? Leaning towards to a fendery blackface cleans. I want to build a 50watt ods or 20watt ods just for personal use.

I want to build ods and not fender because ods are more versatile amp in my opinion.

Does a 50w OPT measures 4 inches wide and 3 3/4 inches tall?

You're welcome John. As I see it there are a couple of standard solutions to guitar amps when it comes down to transformers. 20 Watter: Deluxe (reverb) iron, 50 Watter: Bassman iron; 100 Watter: Twin iron. At least for Fender inspired builds. That includes Dumbles. Marshalls are a different kind he...

340-0-340 @280mA is perfect for a 2x6L6 amp! Take any 4k or 4.2k 50W output transformer and you are set for the transformer. Pair it with a regular 4H choke. That being said, and I need to be honest here, you need to read more about power supply design. Start by studying the 2nd and 3rd gen Dumble ...

Noted sir Stevem. I appreciate your advices.

It has two 4007 diodes and one 22uf 450v capacitor.

This is my dc unloaded voltage using solid state rectifier.

Thanks sir. My connection is a little laggy. The notifications is not showing in real-time. I'm sorry.

Thank you for your replies. My current transformer here as of now is a 340-0-340v AC @ 280mA. Will this PT do the job or it is over or under? Thank you.

It will run in fixed bias circuit.

Long time no update. I have here a two 6L6wgb which stated in datasheet to have a 360vdc plate voltage. What PT should i use?