Sharp-Cutoff Pentode
The 6SH7 vacuum tube is a metal type used as RF
amplifiers in high-frequency, wide-band applications and
as a limiter tube in FM equipment. They are similar to
6AU6 tubes electrically speaking. It features high
transconductance with low grid-plate capacitance. They
are suitable for frequencies up to 18 MHz (approx.).
Two separate cathode terminals enable the input and
output circuits to effectively be isolated from each
other. This type is not recommended for high-gain,
audio-amplifier applications because undesirable hum may
be encountered. They require an octal socket and may be
mounted in any position.
Electrical Data
Heater Voltage ................. 6.3 V
Heater Current ................. 0.3 A
Maximum Heater-Cathode Voltage:
Heater Positive with Respect to Cathode:
DC Component .................... 90 V
Heater Negative with Respect to Cathode:
DC Component .................... 90 V
Substitutes ........... 6SG7, 6AB7, 6AC7