Voltage - Dual Triode (similar high frequency) ·Triode-Triode
Low-noise twin triode designed for VHF cascode-amplifier service, combining high transconductance and moderate gain for sensitive television tuner RF stages.
Twin triode for low-noise VHF cascode-amplifier service.
Small-button Noval 9-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN12P | B | P — Plate (Anode) Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN22G1 | B | G1 — Control Grid Source label preserved; pending confirmation | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN32K | B | K — Cathode Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN4H | — | H — Heater Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN5H | — | H — Heater Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN61P | A | P — Plate (Anode) Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN71G1 | A | G1 — Control Grid Source label preserved; pending confirmation | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN81K | A | K — Cathode Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN9IS | A | IS — Internal Screen Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
2 physical sections, each with unique specifications.
Section 1
Representative row for two electrically identical triodes.
Section 2
Physical triode restored under current one-row-per-physical-section policy.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Plate voltage
150 V
ClassA
Cathode resistor
56 Ω
ClassA
Plate current
18 mA
ClassA
Plate resistance
4600 Ω
ClassA
Transconductance
9300 µS
ClassA
Amplification factor
43
ClassA
Data set 02
Published operating points and test conditions from this source.
Plate Voltage
150 V
ClassA;EachSection
Heater Warmup Time
-
Data set 03
Published operating points and test conditions from this source.
GRID TO PLATE
1.8 µµf
Section 1 | GRID TO PLATE 1.8 1.8 µµf
GRID TO GRID (MAX.)
0.004 µµf
Section 1 | GRID TO GRID (MAX.) 0.004 µµf
PLATE TO PLATE (MAX.)
0.075 µµf
Section 1 | PLATE TO PLATE (MAX.) 0.075 µµf
PLATE TO CATHODE
0.22 µµf
Section 1 | PLATE TO CATHODE. 0.22 0.22 µµf
HEATER VOLTAGE
6.3 V
Maximum Ratings | HEATER VOLTAGE 6.3 VOLTS
MAXIMUM NEGATIVE DC GRID VOLTAGE
50 V
Maximum Ratings | MAXIMUM NEGATIVE DC GRID VOLTAGE 50 voLTs
MAXIMUM PLATE DISSIPATION '
2.7 W
Maximum Ratings | MAXIMUM PLATE DISSIPATION '2.7 WATTS
RESPECT TO THE CATHODE AND AS NIGH AS j
0 V
Maximum Ratings | RESPECT TO THE CATHODE AND AS NIGH AS j00 VOLTS NA%I NUM FOR THE 6BN 7B.
HEATER VOLTAGE
6.3 V
Typical Operating Conditions | HEATER VOLTAGE 6.3 voLTs
HEATER CURRENT
450 mA
Typical Operating Conditions | HEATER CURRENT 0.45 AMP.
PLATE VOLTAGE
150 V
Typical Operating Conditions | PLATE VOLTAGE 150 VOLTS
CATHODE BIAS RESISTOR
56 ohm
Typical Operating Conditions | CATHODE BIAS RESISTOR 56 OHMS
PLATE RESISTANCE (APPROX.)
600 ohm
Typical Operating Conditions | PLATE RESISTANCE (APPROX.) 4 600 OHMS
PLATE CURRENT OF
18 mA
Typical Operating Conditions | PLATE CURRENT OF 18 MA.. A FREOU EN CY OF 200 MEGALY CL E S. A STAGE BANDWIDTH OF 7 MEGACYCLES. AND