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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

7695

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BrandSylvania
ClassBeam Power Pentode
BaseNoval (B9A)
Filament50 V @ 150 mA

Construction

Primary TypeBeam tetrode / beam power
EnvelopeT-9
Sections1

Filament / Heater

Heater NotesSeries string heater

Absolute Maximum Ratings

Plate Voltage150 V
Plate Dissipation16 W
Grid 2 Voltage150 V
H-C Voltage200 V

Audio Performance

Typical THD11%
Power Output4.5 W
Key Features
  • High power sensitivity
  • 9T9 design utilizes T-9 bulb on 9-pin base
  • Increased heat dissipation safety margin

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Amplifier130 V110007000—100 mA
Class A1 Amplifier (Cathode Bias)140 V———100 mA
Class AB1 Push-Pull130 V———195 mA

Application Notes

Can deliver 4.5 watts of power with a B+ voltage of only 130 volts.

Datasheets

Datasheet: 7695.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Class AB1 Push-Pull (Cathode Bias)140 V———210 mA