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Tube Amp Doctor - 5751 Highgrade - Preamplifier Tube

Save $10.00
Original price $109.00
Current price $99.00

Premium top quality with lowest noise, clean tone with big bottom, warm midrange and silky top end

The HIGHGRADE Selection is the tip-of-the-top quality with lowest noise (microphony, hum, hiss) level. Typically only 1-5% out of the whole production yield make it to meet the HIGHGRADE requirements.

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 5751 HIGHGRADE is the first choice for vastly improving the clarity, smoothness, and vintage tone character of most guitar amps! It still has plenty of gain so if you have a high-gain preamp that does not have that classic crunch characteristic, the 5751 tube will work wonders.

In hifi preamps and CD players, the TAD 5751 HIGHGRADE will lower noise floor and sound smoother and clearer in place of many 12AX7 tubes.

 

Q: When does a preamp tube become a Premium Selected tube?

A: All preamp tubes labeled Premium Selected have passed the following tests:

  • Low Noise Test
  • Microphonic Test
  • Gain Test
  • Sonic Tests
  • Shock Tests
  • Listening Tests
  • Balanced Output Test

HIGHGRADE SELECTION - But only those tubes which pass these tests best are labeled Highgrades.

Matching and Selecting Options for Preamp Tubes

Matching in Pairs for preamp tubes means that two tubes show identical gain, hence, four characteristically identical systems. This matching method includes our Balance-Selection. We highly recommend this matching method for hi-fi systems.

TAD Premium Selected/Highgrade tubes are guaranteed for a period of 6 months (according to terms of warranties) for the quality criteria mentioned above.

RohS Compliant

 

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