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Set of 34 capacitors and 26 coils for speaker networks
Product Details
・All items were purchased new from Koizumi Musen. No boxes or bags are included, only the main units.
・Purchased for speaker network characteristic experiments/research.
They have never been incorporated into speakers. Total usage time is
only a few hours for each. Some items are unused and have not been
used since opening.
・There are signs of use from experiments, but no impacts have been
received (please refer to photos).
・Values have been confirmed with a Mita Musen LCR meter (excluding
unopened items).
・Dimensions of 15μF capacitors: Diameter approx. 28mm, Length approx. 46mm
Dimensions of 4.7mH coils: Diameter approx. 56mm, Thickness approx. 35mm
Please refer to the photos for other dimensions.
・Items will be shipped in small bags by capacitance/inductance value,
packed with cushioning material.
・Capacitor capacitance values: Total 34 pieces.
15μF are 400V, all others are 630V.
15μF: 4 pcs 10μF: 2 pcs 6.8μF: 4 pcs 5.6μF: 4 pcs
4.7μF: 4 pcs 3.9μF: 4 pcs 3.3μF: 2 pcs 2.7μF: 2 pcs
2.2μF: 2 pcs 1.5μF: 2 pcs 1.0μF: 2 pcs 0.22μF: 2 pcs
・Coil inductance values: Total 26 pieces
4.7mH: 2 pcs 3.5mH: 2 pcs (1 pc unopened) 2.8mH: 2 pcs
2.2mH: 2 pcs 1.5mH: 2 pcs (1 pc unopened)
1.0mH: 2 pcs (1 pc unopened)
0.5mH: 2 pcs 0.3mH: 2 pcs 0.25mH: 2 pcs 0.18mH: 2 pcs
0.68mH Air Core Type: 2 pcs 0.25mH Air Core Type: 2 pcs (unopened)
0.22mH Air Core Type: 2 pcs
Thank you for viewing.
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.















