| To: | |
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| Subject: | Ultrasonic loudspeakers |
| From: | Justin Halls <> |
| Date: | Mon, 26 Apr 2004 09:27:37 -0700 |
type WM-R30B. These are 30mm square, 1.5mm thick and quote figures of 71dB
SPL @ 30cms for 3V RMS input over a frequency range of 400Hz to 100kHz.
They also do a slightly larger version with a low frequency response down to
150Hz. Unfortunately their published response curves only extend to 10kHz.
They sound wonderful, if the figures are to be believed. I would be
interested to hear if anybody has checked them out.
Regards
Justin Halls
===============================
Justin A. T. Halls
Brunel Institute for Bioengineering
Brunel University
Uxbridge
Middx UB8 3PH
UK
Tel: +44 (0)1895 271206
Fax: +44 (0)1895 274608
email: [EMAIL PROTECTED]
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