DIY 5E3 57 Tweed Deluxe 12AY7 vs 5751 vs 12AX7

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Uploaded by on Jan 22, 2011

First pre-amp tubes 12AY7,5751,12AX7 changing test.
shootout.
12AY7,12AX7 by Electro-Harmonix
5751 by Groove tubes

guitar; Squier Classic Vibe Telecaster '50s

no stompboxes.

DIY amplifier; Fender '57 Deluxe clone bright input.
I put two 470 ohm screen grid resistors on the 6V6GT like a Fender '57 Deluxe reissue. they were not on original 50s 5E3 circuits. they were after 60s black face times.
12AX7,6V6GT by Electro-Harmonix 5Y3GT by Sovtek.
orange drop caps.Weber AlNiCo Signature 12".

recorded with a Logitec LIC-SR500.

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  • 5751 for a warm rounded sound.

    12ax7 for a distorted rockish sound.

    12au7 for the more clean sound.

    seems like the 12au7 is more suited for HI-FI

    and the 5751 for the vintage guitar sound.

    dunno about the 12ax7

  • I prefere the 5751 tube, its a warmer sound ....

  • I think there is something wrong with your amp. At that volume level with a Tele it should distort like the solo in Hotel California.

  • I think there is something wrong with your amp. At that volume level with a Tele it should distort like the solo in Hotel California.

  • @martyfriedman666 Turn it up, it gets very distorted.

  • Nice demo,thanks. The 12ay7 sounded smoothest in the upper mids(as in not sounding clanky)..almost seemed to have more bloom/compression.

  • Thanks for this great demo. The audio was excellent, the captions were very helpful, and you did just the right amount of talking :)

  • this is a fairly clean amp in comparison to others. It is obvious there are differences in tone but the differences would prob stand out a lot more on a more overdrivin or distorted amp.

  • I have a real 59 and their is so much difference even between tubes of the same kind. I just broke my 7025 sovtek and replaced it, and the amp sounds completely different, headroom, treble, pedal response, etc.

  • AY27 and the 5751 sound pretty similar.  The AX7 is certainly a bit more dsitorted.

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