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Vacuum Tube Set 12FK 6WC5 UZ-57 12B-B14 Total 5 Tubes
Product Details
Vacuum Tube Set: 12FK, 6WC5, UZ-57, 12B-B14 (5 tubes total)
Heater continuity has been confirmed. 12B-B14 is unopened and has not been tested.
- Brand: NEC
- Model: 12FK
- Brand: National
- Model: 6WC5
- Brand: Mazda (Box is NEC)
- Model: 6WC5
- Brand: Elevam
- Model: UZ-57
- Brand: Toshiba
- Model: 12B-B14
These are old items, so please consider them with understanding.
Thank you for looking.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.









