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HY69

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BrandHytron
ClassBeam Pentode
Base5-pin medium

Construction

Primary TypeBeam Pentode
EnvelopeST-16
Base Materialphenolic
SectionsSingle

Filament / Heater

Materialthoriated tungsten
Warm-up Time1s

Absolute Maximum Ratings

Plate Voltage600 V
Plate Dissipation30 W
Grid 2 Voltage300 V
Grid 1 Voltage-200 V
Cathode Current120 mA

Audio Performance

Typical THD3%
Power Output100 W
Key Features
  • instant-heating filamentary type
  • thoriated tungsten filament
  • no neutralization required up to 60 megacycles
  • 30-watt beam pentode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
General Characteristics600V2900-6.5-
Class A Amplifier500V---53mA
Class C Telegraphy600V---100mA
Class AB2 Push-Pull600V---240mA

Application Notes

The HY69 is an instant-heating filamentary type 30-watt beam pentode for use in r-f and a-f service. Its versatility permits its use in all stages—r-f and a-f of an entire transmitter. In portable and mobile applications, its instant-heating filament can be turned off during standby periods to save battery drain.

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