Amps and Effects - Solid State Combo Guitar Amplifiers

Industry News

YADTMI - yet another dual triode mixing idea

So basically a mixing Buffer as an inverse of the common plate load mixer. You might have guessed, its for a wet/dry signal mixer. I was hoping for......

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Quick question regard biasing

Hello, I wonder what is happen from a biasing point of view if one triode , say 12ax7, is cathode biased through fixed resistor say 2,2 k, for a......

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DC heater variations

Hi, I need some explanation in regards to DC supply for vacuum tube heater filaments. As Ive read on Valve Wizard site, there is no need for......

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Does the Filld Coil in this National amp act as a choke ?

I asked that question about another one of my old amps a while back (Supro Supreme circa 1949) *and the answer was no for the below Supro amp* : ......

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Dual triode - can both sides be run in parallel ?

I think Ive seen someone do this before, my question is, can you just parallel connect two sides of a dual triode tube, say a 6SN7 or a 12AX7 and......

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Pentode Screen Capacitors ? I don't get it !

Recently I was reading about screen capacitors used to partially bypass a screen resistor, the kind that are connected to a single ended pentode (in......

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Dual tap OT quandry

Customer brings me a 2016 Blues Jr and wants every mod known to man done to it. One of which is to install a David Allen OT he supplied with 4 and 8......

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