From: dbartsch2236@hotmail.com
To: personal_submersibles@psubs.org
Subject: sonar amplifier kits
Date: Fri, 28 Dec 2007 20:25:07 -0500
To anyone thinking of diving into passive sonar, ALL Electronics is offering both a 7 Watt mono amplifier kit (Cat# MK-4001 $11.95 ea.) and a preamplifier kit (Cat#MK-1803 $9.98 ea.) that when used in conjunction, is perfect for the amplification of sound signals produced by the passive sonar hydrophone now under development (the plans of which will be made available in early part of next year) Both kits work with with dc voltages (amplifier 8-18 vdc/ preamp 10-30vdc and cover the 20hz to 20khz range of frequency or the range of the human ear.)
The website is: WWW.ALLELECTRONICS.COM or by toll free #1-800-826-5432.
David Bartsch
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