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7025 Highgrade matched pair tubes TAD

NOTE! Due to extreme demanding TAD-Selection criteria, the availability of this tube is limited. 

The TAD 7025 Highgrade can replace any ECC83, E83CC, ECC803S, 12AX7, 12AX7A, 12AX7M, 12AX7WA/WB/WC/LPS/EH, 5751, 7025, CV492 and CV4004. Equivalent (same built) for MESA® SPAX7-A. 

DISTINCTION from RT093-HG 7025WB and RT030 7025 / E83CC HIGHGRADE:

Compared to the RT030 and RT093-HG, the RT010 has a smoother overall responce and better linearity qualifiying for natural clean tones and relaxed HiFi audio listening. The RT093-HG shows a little more edge in the high-mid range. As a result, it asserts itself tonally very well, which makes perfect sense in a band structure.

RT030 is emphasising the midrange a bit more and thus brings more warmth and a little less brilliance and depth definition than the RT010 and RT093-HG.

Due to their tonal structure the RT093-HG and the RT030 are even less prone to microphonics than the RT010 which qualifies these for use with extremely microphonic-critical amps.

The RT010 has the lowest floor noise of these 3 which might be especially important for use in tube microphones and audio system input stages.

Tube Type: 12AX7/ECC83/7025
Socket: Noval (9 Pin)
Selection: Highgrade