Old Bostwick HFT-1

One tweeter seems to be dead :( it is very old and must have been abused because Ah Leong show me the active filter used which was using 100Hz only. Bad installer the previous one.

Strangely the entire response is better than before. More flater, and more smoother. Plays lower but lost highs. Balance......always. Give you something, take back something......

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