NJ7P SQL Tube Database Query

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6KT6
Semiremote-Cutoff Pentode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6JC6
Substitutes ................................... 6HM6 6HT6 6JD6
Source ........................................ RCA DS 10/66

Mechanical Data

Source ........................................ RCA DS 10/66
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-2
EIA Base ...................................... 9PM

Electrical Data

Source ........................................ RCA DS 10/66
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA DS 10/66
Input ......................................... 9.5 pf
Output ........................................ 3 pf
Grid to Plate ................................. 0.019 pf

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA DS 10/66
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 56 Ω
Plate Resistance (approx) ..................... 160K Ω
Transconductance .............................. 18000 µ
Plate Current ................................. 17 mA
Grid No. 2 Current ............................ 4.2 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

Sat, 25 Mar 2023 03:28:52 -0700