Ampera
E188CC
Dual Triode · IHT · 9-pin Noval · 1960
“Premium E88CC.”
Medium-gain triode for driver and line stage applications
Datasheet ↗SPICE
GAIN FACTOR0
PLATE IMPEDANCE0kΩ
TRANSCONDUCTANCE0mA/V
Cgk0pF
Cgp0pF
Cpk0pF
GAIN33%
POWER5%
DRIVE97%
LINEARITY84%
TYPICAL OPERATING POINT
EXECUTIVE SUMMARY
The E188CC is a dual indirectly-heated triode from Philips, introduced around 1960. It provides a gain factor (μ) of 33 with 2650Ω plate resistance. Commonly used in preamp applications. Premium E88CC.
APPLICATIONS
Voltage amplifierPhase splitter
Generic triode preamp stage
• Hi-Fi stereo• Headphone amp
HISTORY
Introduced1960ManufacturerPhilipsEquivalents7308
Late ProductionSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.365A
Max Plate Voltage200V
Max Power1.8W
Sensitivity12.5 mA/V
Gain Factor33
Internal Impedance2.6kΩ
Pinout9-pin Noval
Era1960
RaritySought-after
Input Capacitance3.3pF
Miller Capacitance1.4pF
Output Capacitance1.3pF