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5751 Balanced

Our Products: Preamp Tubes > 5751

Price: $23.50

5751 Balanced

Product Details

JJ 5751 with fully Balanced Triodes. We recommend these for long tail phase inverter stages which are common in most push pull circuits (most all guitar amps), or anywhere that symmetrical sections are desired.

The 5751 is a great 12AX7/ECC83 substitute for users that desire a bit less gain.

All our preamp tubes are stringently tested for noise and microphonics using Amplitrex testers driving an external amp. There is no extra charge for low noise and microphonics testing like with other tube vendors. Additionally the tubes undergo a battery of tests for basic performance characteristics and faults such as: Emissions, Transconductance, H-K and Grid leakage, etc... If a tube does not pass our strict performance criteria it's tossed or sent back to JJ Electronic for evaluation.

We recommend these for long tail phase inverter stages or anywhere that symmetrical performance between triodes is sought. It also gives you the plate current and transconductance spec for each triode which is nice if you're trying to keep records or maintain exact consistency from tube to tube. If you need multiple matched tubes please see our "Balanced and Matched" option.

The JJ 5751 is a high quality, low noise tube built to classic 5751 specs. Although this tube uses the classic short plate design, it was engineered from the inside out as a purpose built 5751 rather than a low test 12AX7.

The 5751 is about 25% lower in gain than a traditional 12AX7. We recommend these in input stages where players are looking for more headroom and a cleaner overall amp. We also use them in specific stages of higher gain amps to tame and even out overdrive channels that go beyond the gain/distortion requirements of the player.

Keep in mind reducing gain generally has the effect of decreasing high end response. If that's not desired checkout the gold pin 5751 variant as it retains more bandwidth than the original non-gold pin tube.

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