Vintage heavy duty filament transformer housed in a clear plastic enclosure with attached cable and wiring. Type: Filament transformer (valve / tube equipment use) Marking: “H/DUTY FILAMENT TRANS” Outputs: Multiple taps (including 5V / 6.3V typical filament supply) Condition: Used – untested Condition details: Wiring has been modified / exposed (see photos) Signs of age, dust, and wear No testing carried out ⚠️ Important: Sold as spares / repairs / project item due to condition and unknown functionality.
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