PSVANE ECC83 / 12AX7 – MATCHED PREAMP TUBE PAIR (2 PCS)
Top Ring Getter
Clear Glass Envelope
Grey Plate Construction
High-Gain Dual Triode ECC83 / 12AX7
New in Original Boxes
Amplitrex AT1000 Tested
Up for sale is a matched pair (2 pcs) of premier Psvane ECC83 (Classic Series) high-gain dual triode vacuum tubes, complete with their original factory boxes. Built with clear glass envelopes, precision grey plate structures, and top ring getters, Psvane ECC83 tubes deliver exceptional harmonic richness, wide soundstage staging, low noise floor, and superb musicality. An extraordinary upgrade or replacement preamp tube for high-end audio preamplifiers, phono stages, and guitar amplifier V1/V2 positions.
Both tubes have been fully tested on a precision Amplitrex AT1000 tube tester. 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.5479002 | Section 1 (T1) | 1.2 mA | 1.0 mA | 83% | 1600 | 1600 | 100% |
| Section 2 (T2) | 1.2 mA | 0.5 mA | 42% | 1600 | 1290 | 81% | |
| SR.NO.5479003 | Section 1 (T1) | 1.2 mA | 1.1 mA | 92% | 1600 | 1800 | 113% |
| Section 2 (T2) | 1.2 mA | 0.9 mA | 75% | 1600 | 1600 | 100% | |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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