SHUGUANG EL34BW – MATCHED PAIR (2 PCS)
Red Print
Top Ring Getter
Long Gray Plates
Black Base
Made in China
High-Power Pentode EL34BW / EL34 / 6CA7
New in Original Box
Amplitrex AT1000 Tested
Up for sale is a matched pair (2 pcs) of genuine NOS Shuguang EL34BW audio power pentode vacuum tubes, manufactured in China and complete with their original blue Shuguang factory boxes. Designed with distinct red glass printing, durable long gray plates, top ring getters, and sturdy black octal bases, the EL34BW is renowned for delivering robust power, rich harmonic warmth, punchy lower end, and smooth treble extension. An excellent power tube replacement for high-fidelity audio amplifiers, push-pull power amps, and classic guitar amplifiers taking EL34 / 6CA7 series tubes.
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: 70.0 mA / 11,000 uMhos) are detailed in the table below.
| Serial No. | Tube Section | Plate Current (Ip) | Mutual Conductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Reference / Result | Ref Spec | Result | % Ip | Ref Spec | Result | % uMhos | |
| SR.NO. 5431003 | Power Pentode | 70.0 mA | 67.4 mA | 96% | 11000 | 9120 | 83% |
| SR.NO. 5431004 | Power Pentode | 70.0 mA | 64.4 mA | 92% | 11000 | 9160 | 83% |
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
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