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Miniature type used in high-quality, high-fidelity audio equipment, particularly in phase splitters, tone-control amplifiers, and high-gain voltage amplifiers.
Requires miniature 9-contact socket. In direct-coupled voltage-amplifier phase-splitter circuits, the pentode unit should drive the triode unit. This is a low noise version of 7199.
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-3
EIA Base ...................................... 9AE
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A
For other characteristics and typical operation, see 7199
If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.
(c) 1994-2021 by William A. Beech, NJ7P
Wed, 29 Mar 2023 06:09:14 -0700