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Source ........................................ RCA RC-29 - 1975
Miniature type used ain high-gain, resistance-coupled, low-level audio-amplifier applications where low hum and non-microphonic characteristics are important,
Source ........................................ RCA RC-29 - 1975
such as microphone amplifiers and preamplifiers for phonographs. Requires miniature 9-contact socket.
Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9LS
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any
Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A
Each Triode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 1.6 pf
Output ........................................ 0.2 pf
Grid to Plate ................................. 1.5 pf
Each Triode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 1.2 W
Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 100 V
Grid No. 1 Voltage ............................ -1 V
Amplification Factor .......................... 100
Plate Resistance (approx) ..................... 80K Ω
Transconductance .............................. 1250 µ
Plate Current ................................. 0.5 mA
Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -2 V
Amplification Factor .......................... 100
Plate Resistance (approx) ..................... 62.5K Ω
Transconductance .............................. 1600 µ
Plate Current ................................. 1.2 mA
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
Thu, 30 Jun 2022 16:04:11 -0700