OUR INSTRUMENTS ARE CALIBRATED WITH REFERENCE TUBES AND POWERED WITH UPS LINE VOLTAGE FOR A MORE ACCURATE AND STABLE MATCHING PROCESS

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12B4A GE Black Plates D Getter Low Noise & Microphonic Tested Tube

Made in USA

Low Noise & Microphonics

Loghi usurati come da foto

Testate su AVO VCM 163 Tube tester:

Voltage Test: Va = 150V, Vg = -17,5V

MEDIA 100% Gm = 6400 ; Ia = 34 mA

RISULTATO DEL TEST: MOLTO FORTE

Gm = 5300 ; Ia = 26 mA

Ulteriori test eseguiti:

Test per Basso rumore & Microfonia

Qualità dell'Emissione

Test per Cortocircuiti

Test per GAS

Spedizione con imballo protetto per una maggiore sicurezza.

Imballaggio in carta riciclata e riciclabile. Nastro adesivo di chiusura in carta marrone - ECO-KRAFT

Eco compatibile - SOLVENT FREE

12B4A GE Black Plates D Getter Low Noise & Microphonic Tested Tube

Made in USA

Low Noise & Microphonics

Logos worn off as pictured

Tested on AVO VCM 163 Tube tester:

Voltage Test: Va = 150V, Vg = -17,5V

AVERAGE 100% Gm = 6400 ; Ia = 34 mA

TEST RESULT: VERY STRONG

Gm = 5300 ; Ia = 26 mA

Other test made:

Test for Low Noise & Microphonics

Test for Emission Quality

Test for Shorts

Test For GAS

Shipping with protected packaging for best security.

Our Packaging is in recycled and recyclable paper. Brown paper sealing tape - ECO-KRAFT

Eco friendly - SOLVENT FREE