Lampa elektronowa 12AU7 to podwójna trioda małej mocy najczęściej stosowana w układach stopnia wejściowego oraz w przedwzmacniaczach audiofilskich. Full music zyskał wiele pozytywnych opinii w prasie branżowej, a jego produkty zyskują solidną pozycje w sprzęcie high-end.
Śmiało możne konkurować z produktami NOS.
Cokół noval.
Zamiennik dla lamp ECC82
Classification #
It is a Twin triode. It is a nine golden pins tube. Oxide coated of indirect heated.
Application #
It intended for use a voltage amplifier or Phase inuerter.
Dimensions #
Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1, and 2.
Nominal operating conditions and parameters#
Heater voltage ……………………………………………………………… 12.6V
Heater current ……………………………………………………………… 0.15A
Plate voltage ………………………………………………………………… 250V
Grid voltage ………………………………………………………………… -8.5V
Plater resistance …………………………………………………………… 7.7kohms
Plate current ………………………………………………………………… 10.5mA
Amplification factor …………………………………………………………… 17
Characteristics-Average characteristics#
Below shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.
Limiting Operation Conditions for Safe Nor simultaneous ratings#
Maximum plate voltage ………………………………………………… 300V
Maximum Grid voltage ………………………………………………… -50V
Maximum Grid voltage ………………………………………………… 0V
Maximum Power of plate ……………………………………………… 1.0W