Package of 12 trumpet piston springs.
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Reviewed by 1 customer
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Comments about Allied Music Supply A373 Trumpet Piston Springs 12 Pk:
Good springs, good price for 12 of them. WWBW's description is lacking, doesn't tell you that these are only for top-sprung valves where the spring is enclosed inside the piston assembly. For conventionally sprung cornet and trumpet valves these A373 springs are much too small to fit around the upper shaft of the piston. I've found you can use the much larger and longer Allied A380 baritone springs if you don't mind stronger than necessary action. I'm sure Allied sells other sizes than these two, but WWBW doesn't list them at this time.
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