Tube-number record
INDICATOR TUBE
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ClassIndicator Tube
BaseCRT / special base
Construction
Primary TypeOther / special
EnvelopeGlass
Filament / Heater
Absolute Maximum Ratings
Audio Performance
Key Features
- No filter coating
- Blue absorbing filter recommended
- Circular polarized amber filter recommended
Application Notes
The type ZM1023 is electrically identical with type ZM1021 but has no filter coating. The use of a separate blue absorbing e.g. circular polarized amber filter is recommended.
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