GM 7630
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BrandPhilips
ClassTube and Universal Tester
BaseUniversal (9-pin push-button array)
Filament220V @ -mA
Construction
Primary TypeTest Equipment
Rectifier TypeEZ2
EnvelopeMetal cabinet
Base MaterialPertinax
SectionsTube Tester / Universal Meter
Filament / Heater
MaterialIndirectly Heated
Heater NotesMains supply
Absolute Maximum Ratings
Plate Voltage177.5 V
Audio Performance
Key Features
- Capacitance measurement
- Resistance measurement
- DC/AC voltage measurement
- DC/AC current measurement
- Short circuit testing
- Insulation testing
- Cartomatic II card system
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Short Circuit Testing | 177.5V | - | - | - | - |
Application Notes
The GM 7630 is designed for use as a universal measuring device and tube control apparatus. It utilizes perforated test cards to configure the internal bridge circuit and transformer taps for specific tube types.
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