← BrowseData: HighHigh quality — base, heater, all universal parameters present, and ≥50% of desirable parameters filled in. Safe to use for design decisions.
Known Equivalents & Substitutes
CV2937
Similar Tubes (Not Drop-In Compatible)
Similar duplex-diode triode on B7G base — close substitute with mu=70 Similar duplex-diode triode on B7G base — substitute with mu=100 Similar duplex-diode triode on B7G base — Brans lists in same group Electrical Specifications
Section 1 — Triode
Absolute Maximum
Anode Voltage (max)Max Plate Voltage300V
Typical Operating
Anode Voltage (typical)Plate Voltage250V
Heater
Heater VoltageHeater Voltage6.3V
Heater Current
Notes
- GE Essential Characteristics lists as Duplex-Diode High-Mu Triode: Va_max=300V, Vh=6.3V, Ih=0.15A.
- Predecessor tubes include 7C6 and 6SZ7.
- Brans Vademecum (Table IIIa) lists extensive equivalents in the duplex-diode triode family.
- Muiderkring Handbook page 141 lists this type.
Pin Layout — B7G
1Diode Plate 1
2Grid (triode)
3Heater
4
Socket-Compatible Tubes ⚠ Not electrically compatible