SIEMENS E280F — 1 Pc
Made in Germany
Top Ring Getter
Grey Plate
Vintage 1969 Production
Date Code: B8 9L
Amplitrex AT1000 Tested
New In White Box
Up for sale is a single piece (1 Pc) of a pristine, vintage original Siemens E280F vacuum tube. Renowned as a premier choice for high-fidelity wideband amplification, custom driver configurations, and premium audio designs, this ultra-high transconductance professional frame-grid pentode delivers exceptional dynamic transient response, ultra-low noise figures, and legendary European build quality.
This premium tube features a gorgeous, highly reflective Chrome Dome flash, brilliant Gold Pins for corrosion-free connectivity, and a classic Top Ring Getter arrangement over a robust Grey Plate core. Manufactured meticulously in Germany during the golden era of 1969, it bears the crisp B8 9L production date code layout and comes safely enclosed in a clean, fresh protective white box.
Testing & Verification: This valve has been thoroughly tested on our laboratory-calibrated Amplitrex AT1000 analyzer under factory conditions.
| Sr. No. | Test | Parameter Ia mA | Result Ia mA | Percentage Ia mA |
|---|---|---|---|---|
| 5105001 | T1 | 34.0 | 43.0 | 126.47% |
About NOS Audio Tubes
We are specialized suppliers of high-grade vintage vacuum tubes and valves, maintaining an industry lineage established back in the 1970s. With an extensive inventory of nearly 300,000 components, we serve high-end audiophiles and vintage equipment restoration collectors worldwide. Every tube is strictly evaluated using calibrated industrial testing instruments such as the Amplitrex AT1000 to guarantee absolute transparency.
Note: Custom Duties and Taxes are the Responsibility of the Buyer in their Country
Support: [email protected]
Whatsapp: +1 (630) 597-3966
NOS Audio Tubes — Mumbai, India















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