PDF Seed Co Graphic and Video Cards 12AT7 REVERB DRIVER DOWNLOAD

12AT7 REVERB DRIVER DOWNLOAD

Having that said, tone is not about volume. Since we mostly play our PR with distortion we like darker sounding speakers. How does it sound? Try to dry fit the speaker with the amp chassis and cabinet loose before you drill the screw holes. I run 12au7s because I do haul organs home when I can. AT7 has a transconductance of , vs in an AX7.

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

However, for the reverb driver, you’re just looking for a lo-fi driver tube meant to be punished. If your amp was designed to run a 12AX7, I would recommend keeping it that way.

My opinion, but those that disagree probably sell tubes. At one time, current production 12AT7s were as squealy microphonic as can be.

The difference I could see would be in the gain levels; that would be the equivalent of different “dwell” settings, rather than a tone difference based on different manufacturers. Some 6V6 tubes are better than others in handling higher voltages.

No, create an account now. I’m not sure if all Fenders do this The glued and stapled baffles on the silverface amps is to us one of the bigger differences between the blackface and silverface amps, or should we say, rverb cabinets.

Jul 10, 7.

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I was somewhat confused by the high voltage at 12AX7 plate I have revrrb V there but after I did some measurements it turns out that the driver part draws 2mA of current. I don’t have such an amp The negative feedback loop can easily be tweaked to alter the treble cut and distortion in your amp. For those who like NOS tubes there are a S. Ok Im trying to understand this better. It would 12ay7 work as a tube tube standalone reverb, with the ‘extra’ triode driving the input.

12AT7 / ECC81 TAD Premium Selected (balanced)

A 12au7 works there too, drives it a little less hard and they’re cheaper that dirt as organ pulls. If this does not help one can change a resistor value to increase the strength of the tremolo. Logical schematics Layout Click the images for full size versions.

Seems to me I have also seen – for want of a better term – differential drives where the reverb transducer was essentially wired between plates of a PI sort of circuit. And what is the resulting impedance and what should be the tube life expectancy if running it with a ?

Again I’m not familiar with the OP’s amp but if it’s a copy of the old Fenders it should use the same tubes. Building a better world one tube amp at a time “I have never had to invoke a formula to fight oscillation in a guitar amp. It’s because it takes about one watt to drive a reverb tank. Jul 20, 2. But there are also higher impedance drives.

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Since we mostly play our PR with distortion we like darker sounding speakers. In an outboard reverb unit, quality tubes impact the overall tone quite a bit because the entire circuit is dedicated to provide reverb tone – none of the tubes are shared for preamp or power. Reduce input-stage cathode from 25 to 4. King Fan likes this. I also have a transformer that would be a good match for this and I’ve been planning to try it.

Out of the big box of tubes, and some are quite rare by today’s standards, a humble Sylvania 12AT7 ended up giving consistently best results. Because I’m not very good in theory I like more the soldering iron I wanted to ask how the uncoupled 22k resistor coming from the screens and going to the reverb OT affects 12AX7’s load impedance. Bookmarks Bookmarks Digg del.

Jul 10, 4. If you’re building your own amp, you can flip that around I was always curious how that Mesa reverb circuit will sound and if they are using their own transformer.