RAY TUBES SELECT-12AX7 / ECC83 – SINGLE PREAMP TUBE (1 PC)
Top Ring Getter
Grey Plate Construction
Premium Golden Pins
High-Gain Dual Triode SELECT-12AX7 / ECC83
New in White Box
Amplitrex AT1000 Tested
Up for sale is a single (1 pc) high-performance Ray Tubes Select-12AX7 high-gain dual triode vacuum tube, supplied in an individual white box[cite: 15]. Built with precision grey plate structures, top ring getters, and corrosion-resistant golden pins for optimal signal transfer[cite: 15], Ray Tubes Select series are celebrated for superior microphonic resistance, rich harmonic warmth, precise stereo separation, and extended detail. An outstanding upgrade or replacement preamp tube for high-end audio preamplifiers, phono stages, and guitar amplifier V1 positions.
This tube has been fully tested on a precision Amplitrex AT1000 tube tester[cite: 15]. Measured Plate Current (Ip in mA) and Mutual Conductance (uMhos) alongside percentage performance ratings relative to nominal factory reference specs (Reference: 1.2 mA / 1,600 uMhos) are detailed in the table below.
| Serial No. | Triode Section | Plate Current (Ip) | Mutual Conductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % uMhos | ||
| SR.NO.5483001 | Section 1 (T1) | 1.2 mA | 0.7 mA | 58% | 1600 | 1300 | 81% |
| Section 2 (T2) | 1.2 mA | 0.7 mA | 58% | 1600 | 1400 | 88% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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