1614
Tetrode · IHT · Octal · 1942
“Cherry-picked metal 6L6. McIntosh MC-30.”
Beam power tetrode rated at 25W for high-power output stages
TRANSCONDUCTANCE0mA/V
GAIN0%
POWER63%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The 1614 is a indirectly-heated beam tetrode from RCA·GE, introduced around 1942. Commonly used in power (pp) applications. Cherry-picked metal 6L6. McIntosh MC-30.
APPLICATIONS
High-power output
Generic tetrode power (pp) stage
HISTORY
Introduced1942ManufacturerRCA·GEEquivalents6L6 (selected)
Pre-WarSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.9A
Max Plate Voltage550V
Max Power25W
Sensitivity5.2 mA/V
Gain Factor—
Internal Impedance—
PinoutOctal
Era1942
RaritySought-after
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.