Vacuum Tube - 5751, Tung-Sol Reissue

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Vacuum Tube - 5751, Tung-Sol Reissue

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Tung Sol 5751 dual triode preamp tube. Made in Russia. NOS specs call the 5751 a “special 12AX7” having a high-mu amplification factor of 70.

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Packaging Information
Packaging Dimensions2.75 in. × 1 in. × 1 in.
Weight (Packaging)0.038 lbs.

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Questions and Answers

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Asked by Anonymous on April 4th, 2017.
Matt H
April 4th, 2017
If the Triple Giant calls for a 5751 or any 12AX7 variant then these should work great!
Asked by Anonymous on November 10th, 2020.
November 10th, 2020
Staff Member
The answer to that is subjective, but it doesn't seem likely it would be a bad call. The beauty of preamp tubes is that you can mix and match, so if you buy two Tung Sol 12AX7s and one 5751, you could theoretically try any combination of tube types and placement.
Asked by Anonymous on April 29th, 2019.
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Product Reviews

5.00 out of 5 based on 1 reviews
- April 10th, 2019
5 out of 5

Swapped out the 12AX7 in my Blackstar HT for one of these and the amp now sounds cleaner and more focused with a warmer tone and a far more controllable gain level. It's now my go to amp. I would try one of these in any amp where the gain is out of control.