RCA5725
NOS per pair
2A3 EH Gold Grid (one pair) The new Electro Harmonix 2A3EH tube is a excellent quality tube that features gold grids and a ceramic base. Note: These tubes are not available with gold pins. The November 2004 issue of Stereophile mentions gold pins in error.
12AU7EH Finally, a premium quality 12AU7 built to match the performance of the military-industrial original GE 6189. Low microphonics and excellent linearity offer a musical and harmonic soundstage, making the 12AU7EH tube equal to the original and a cut above the competition.
ECC81JJ The JJ ECC81 / 12AT7 tube is a low noise and low microphonic preamp tube. A good choice for phase inverters and reverb circuits calling for 12AT7 tubes. The ECC81 tube type is equivalent to the North American 12AT7 tube and can be used in any 12AT7 or ECC81 circuit.
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