CV808
Dual Triode · IHT · 9-pin Noval · 1955
“Military ECC83.”
High-gain dual triode — the standard for guitar and hi-fi preamps
Datasheet ↗SPICE
GAIN FACTOR0
PLATE IMPEDANCE0kΩ
TRANSCONDUCTANCE0mA/V
GAIN100%
POWER1%
DRIVE38%
LINEARITY50%
TYPICAL OPERATING POINT
EXECUTIVE SUMMARY
The CV808 is a dual indirectly-heated triode from Mullard, introduced around 1955. It provides a gain factor (μ) of 100 with 62.5kΩ plate resistance. Commonly used in preamp applications. Military ECC83.
APPLICATIONS
Voltage amplifierHigh-gain preampPhase splitter
Generic triode preamp stage
• Hi-Fi stereo• Studio/recording
HISTORY
Introduced1955ManufacturerMullardEquivalentsECC83 (mil)
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.3A
Max Plate Voltage200V
Max Power0.5W
Sensitivity1.6 mA/V
Gain Factor100
Internal Impedance62.5kΩ
Pinout9-pin Noval
Era1955
RaritySought-after