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TAD Selected: NOS JAN 5751 /USA US-made JAN (Joint-Army-Navy) tube from old stock. Especially this low-noise tube is recommended for best clean tone with big bottom, warm midrange and silky top end. Performs great for HiFi too! Replaces any 12AX7A/WA, ECC83, 7025 etc.
The TAD Selected JAN-5751 is the first choice for vastly improving the clarity, smoothness, and vintage tone character of most guitar amps! They still have plenty of gain so if you have a high-gain preamp that does not have that classic crunch characteristic, the 5751 tube will do wonders.
In hifi preamps and CD players, the TAD Selected JAN-5751 will lower noise floor and sound smoother and clearer in place of many 12AX7 tubes. The TAD Selected JAN-5751 tube is a NOS military version that has low microphonics and noise.
Special note for 5751 tube types: The 5751 is not a true 12AX7, but is often used in place of a 12AX7. They have approximately 70% of the gain of a 12AX7, and are often used to quiet down guitar amps that have too much gain. If you have gain to spare using a 5751 tube will greatly improve your overall tone without making your preamp excessively clean.

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