Paralleled V1 (6AK5) Tube + TS -- 2 or 3 Tubes must be used to drive enough TS ?

[kagliostro]

My laboratory (Garage) is still cluttered with materials due to the home renovation that I have done,
so, waiting for it to be free and that it can use it, I am thinking of something to give a try

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Some time ago, from a Stereo Grundig Radio, I recovered a pair of SE OT (used with one ELL80 but fine for a pair of EL95) with Speakers and PT with around 2.18A current for filaments

My idea is to use this components for a small power Stereo SE Guitar amp with different channels (one 5F2A ond one 5C1 - both with some mod)

On the 5C1 (6ak5 tube as V1 and EL95 as Power Tube), I would like to use a TS (may be a James), to do that I can use a CF or a SF



but I would like to try to put more 6AK5 in parallel, I've a lot of this tubes (also to have the advantage of paralleled tubes vs noise), as far as I can know using more pentodes in parallel will permit me to drive enough the Power Tube also if the TS drop the signal

the configuration that I think to use (for the single tube) is borrowed from a project I've seen in the web, as you can see plate resistor has a relatively low value as to avoid microphonic effect on the tube, so less output signal



My question is .... Two or Three tubes in parallel to be able to use the TS without excessive Signal Loss ?




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For the same reasons I've think also to use 2 tubes (2 x 6N2P = 4 triodes) on the 5F2A putting the triodes of each tube in parallel

Have you councils / warnings for me ?

Many thanks

Franco


p.s.: I've a lot of 6AK5 - 5654 tubes and a good quantity of 6N2P tubes

[djgibson51]

Hi Franco,

How did this project finish? I also have a lot of these tubes.

[tubeswell]

... I also have a lot of these tubes.

Use one for a triode-connected CF to drive the TS

[kagliostro]

Hi friends

I finished a lot of projects (big and small) and I'm going on with some others, but all Is about my house and my son's house


My laboratory Is full (letterally) and I enter there not easily, the more my healt Is not so good and for this reason all Is going slowly


I have more than a project ready to reach the bench, but the bench Is covered with materials to be used on the setting of the laboratory at the house of my son


Franco