10Y

Triode · DHT · UX-4 · 1927

Legendary DHT. Ethereal midrange clarity.

Power triode delivering 15W for push-pull and SET designs

GAIN FACTOR0
PLATE IMPEDANCE0kΩ
TRANSCONDUCTANCE0mA/V
GAIN8%
POWER38%
DRIVE95%
LINEARITY95%
HEATER7.5V / 1.25A
MAX PLATE450V / 15W
BASEux4
EXECUTIVE SUMMARY

The 10Y is a directly-heated triode from RCA·GE·Sylvania, introduced around 1927. It provides a gain factor (μ) of 8 with 5300Ω plate resistance. Commonly used in power (set) applications. Legendary DHT. Ethereal midrange clarity.

APPLICATIONS
SET outputPush-pull output
Generic triode power (set) stage
Hi-Fi stereo
HISTORY
Introduced1927ManufacturerRCA·GE·SylvaniaEquivalentsVT-25, UX-210, 801A
Pre-War
SPECIFICATIONS
Heater Voltage7.5V
Heater Current1.25A
Max Plate Voltage450V
Max Power15W
Sensitivity1.5 mA/V
Gain Factor8
Internal Impedance5.3kΩ
PinoutUX-4
Era1927
RarityCollector
PDF

10Y Datasheet

Frank's Electron Tube Pages · PDF

SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.