KT170
Tetrode · IHT · Octal · 2020
“Largest KT. Massive headroom.”
Beam power tetrode rated at 85W for high-power output stages
TRANSCONDUCTANCE0mA/V
GAIN0%
POWER100%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The KT170 is a indirectly-heated beam tetrode from Tung-Sol, introduced around 2020. Commonly used in power (pp) applications. Largest KT. Massive headroom.
APPLICATIONS
High-power output
Generic tetrode power (pp) stage
• PA/public address
HISTORY
Introduced2020ManufacturerTung-SolEquivalentsKT150 (larger)
ModernSPECIFICATIONS
Heater Voltage6.6V
Heater Current1.75A
Max Plate Voltage900V
Max Power85W
Sensitivity14 mA/V
Gain Factor—
Internal Impedance—
PinoutOctal
Era2020
RarityModerate
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.