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Original Message:Bill Fitzmaurice “tuba” horns are meant for guitar and bass. The response has 15dB peaks and valleys so I don't think it is for critical listening or even home theater. IMO, YMMV, yada, yada, yada.
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... have you listened to a tuba 18 or an auto tuba ?
i built one and have listened to it enough to confidently say that i disagree wholeheartedly with your post, .. YMMV
cheers