Data set 01
1973 Mazda Valves Binder 2
Published operating points and test conditions from this source.
SECTION 1
Triode
Application
Application
LocalOscillator text
SECTION 2
Heptode
Application
Application
AMFrequencyChanger text
Voltage - Triode (with diode, heptode or hexode) ·Heptode-Triode
6C12
Triode-heptode frequency changer for AM/FM broadcast receivers. The triode serves as the local oscillator while the heptode performs mixing and intermediate-frequency conversion.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 300 mA
Description
Triode-heptode frequency changer for AM/FM broadcast receivers, with triode local oscillator.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0032 S
- Amplification factor
- 19
- Max plate voltage
- 250 V
- Max plate dissipation
- 0.8 W
- Max cathode current
- 6.5 mA
Published ratings and characteristics promoted from the approved English source.
Section 2
Heptode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 700000 Ω
- Transconductance
- 0.0024 S
- Max plate voltage
- 300 V
- Max screen voltage
- 125 V
- Max plate dissipation
- 1.7 W
- Max screen dissipation
- 1 W
- Max cathode current
- 12.5 mA
Published ratings and characteristics promoted from the approved English source.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.