Depending on the cap value treble frequencies will be fed back to the phase inverter which cancels out the treble in the main path. The V3 spot in Fender amps with reverb can be hard on a tube. Many players are happy with the default 6. For those who like NOS tubes there are a S.. The reverb driver is a 12ax7. I’ve used 12AX7s as reverb drivers simply because they were what I had lying around.

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School me on 12ax7 vs 12at7 for reverb driver | Telecaster Guitar Forum

If you need a bigger amp on stage, go ahead reading below. Having that said, tone is not about volume. Some amps are sensitive and difficult to control the reverb on. Ok Im trying to understand this better. Is this a coincidence? Jul 10, 8.

School me on 12ax7 vs 12at7 for reverb driver

I love my guitar. Jul 21, 8. Ed Storer 12ta7, Jul 20, To tighten up bass means removing the farty, low bass frequencies which are not handled well in a low power amp like the PR.

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If so, read more about the cap in the next bullet point. This reduces the effect of the feedback loop, making the amp break up more when the NFB is engaged.

These tubes have lower voltage gain and different frequency responses, particurlarly when distorting. For amps with reverb you could use the reverb footswitch phono plug if you are not using it.

Good 12AT7 Tube for Reverb …

I ended up removing the cathode bypass cap as well, I had way too much gain in the reverb return. Revreb course, I don’t recommend turning up your reverb level so high that the tonal differences are that critical. I know fender typically used 12at7 for reverb send stages. Jul 20, 1. I had one briefly.

At V this makes 0. The amp delivers a thick sustaining tone where single notes are clean and chords revrb crunhcy. Originally Posted by defaced. Is that a hypothesis? You must log in or sign up to reply here. Results 1 to 31 of We think the Oxfords are underestimated. The resistor values and cap values warrant experimentation!

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The 12AX7 will send rverb voltage to the reverb transformer than a 12AT7. Then wire the 2 or 4 ohm tap to the ext speaker jack. So does the reverb. My own home brew guitar amp uses push pull 12AT7, the push pull tanny is a Hammond and the circuit is “borrowed” from Kevin O’Connor.

I finally had the chance 12a7 measure a Mesa reverb transformer and my suspicions are now confirmed. Listen to the blond Baja Tele and the ES A little push pull stage.

If you make the NBF switchable there will be less volume difference if you use a high resistor value. Revern 10, 1. I know it’s a matter of taste but for my needs the reverb sounds OK.