ECC81 / 12AT7 audiotube

 28,00 75,00
The ECC81 high impedance amplifier triode was designed specifically for audio use and has a high amplification factor of 100. Mullard describes the ECC81 as a high μ double triode, having separate cathodes, primarily intended for use as a resistance-coupled amplifier or phase inverter.
This valve is still found in today’s designs of hi-fi audio amplifiers. In the classic Mullard designs of the 1950s and 1960s, the valve’s two halves were used as second-stage amplification and cathode coupled phase splitter.
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This exhibit is the Mullard ECC81. Designed as audio and general-purpose triodes, two independent valves exist in the envelope.
ECC81/12AT7

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