If you don’t use channel 1, don’t worry too much about this tube, any 12AX7 or will work though noisy or microphonic tubes in this position can be a problem even if you’re not using that channel. Who is online Users browsing this forum: Timbre Wolf , Jul 11, This is a perfectly safe substitution to make. Some say it has little or no effect while others claim it’s critical to have a high quality 12AT7 in this slot. No, create an account now. Jul 29, 5.

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This tube does make a good reverb driver where tone is less important than ruggedness. Plus, they do last – I’ve never had one fail yet. Note – because of the large plate structure, this tube tends to be too microphonic to be useful as a preamp tube. There’s more to playing guitar than impressing people with how much money you reberb needlessly on your gear.

Best tube for reverb (12at7)

It’s a good choice when low price is of high importance. For an amp with onboard reverb, the impact would depend on the circuit. All are longtime members that stepped up to the invite to help out by volunteering their time and effort to help the membership experience on TGP stay on the even keel. This post to me got it right, the Mullard cv is the best.


One of those is a good choice. Share This Page Tweet.

DavidPAug 9, Some customers say that the CVs remove an overly “surfy” reverb tone which can result from using a low end 12AT7. Not a good buy in my opinion.

I’m no tube snob, just replied with what I’ve found to be a rugged and reliable and inexpensive by today’s standards tube. I would not worry about the type of 12AT7 driving the tank.

Jul 10, 6. The PI is the tube that creates the push-pull waveform and it’s the last tube the guitar signal sees before hitting the output tubes. But still, given the choice Jul 10, 1. It’s a reverb driver tube. bst

The Best Reverb Driver Tubes –

Do you already have an account? Search Media New Media. This is a good place for microphonic or cheap 12AX7s. I’m talking about the phase inverter or PI tube.

Blue StratJul 10, Jul 29, 6. It has a nice rich full tone with great definition, punchy bottom and smooth treble. This is used as an oscillator for the tremolo circuit and has absolutely no effect on tone. Reverb send or reverb return? PeterVVJul 29, For the two stage reverb.


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Jul 28, 2. Why would you spend good money bes an audiophile grade tube to do this? Fender 2 channel reverb amp preamp tube layout as seen from the back of the amp.

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