Tube-number record
ECC807
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BrandBrimar
ClassDouble Triode
BaseNoval (B9A)
Filament6.3 V @ 0.3 mA
Construction
Primary TypeDual triode
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1 W
Grid 1 Voltage-50 V
Cathode Current8 mA
H-C Voltage150 V
Audio Performance
Key Features
- High gain pre-amplifier
- Low level input design
- Low hum
- Cascade optimized
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each Section Characteristics | 250 V | 2400 | — | 150 | 1.3 mA |
| Typical Operation (Ra 100k, Cathode Bias) | 250 V | — | 1000 | — | 0.93 mA |
Application Notes
When used in cascade, section 1 should be employed as the input stage, as this section has the lower grid hum level of 3 microvolts average.
Datasheets
Datasheet: ECC807.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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