Ampera
EL156
Pentode · IHT · 10-pin Y10A · 1956
“Legendary Telefunken power pentode. Studio icon.”
Power pentode delivering up to 50W in pentode, UL, or triode mode
TRANSCONDUCTANCE0mA/V
Cgk0pF
Cgp0pF
Cpk0pF
GAIN0%
POWER100%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The EL156 is a indirectly-heated pentode from Telefunken·Siemens, introduced around 1956. Commonly used in power (pp) applications. Legendary Telefunken power pentode. Studio icon.
APPLICATIONS
Power output
Generic pentode power (pp) stage
• PA/public address
HISTORY
Introduced1956ManufacturerTelefunken·SiemensEquivalentsNone
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current1.9A
Max Plate Voltage500V
Max Power50W
Sensitivity16 mA/V
Gain Factor—
Internal Impedance—
Pinout10-pin Y10A
Era1956
RarityLegendary
Input Capacitance18pF
Miller Capacitance0.5pF
Output Capacitance9pF
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.