[From nobody Mon Jan 10 18:43:55 2011
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Date: Fri, 10 Nov 2000 00:42:12 -0500
From: Multi-Volti Devices <multi-volti@softhouse.com>
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To: "Gerald C. Lemay" <wa1vwl@GROLEN.COM>
Subject: Re: Use of D104 Mike with Heath
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I've used a D-104 (no idea what cartridge---came as part of a trade)
with a Drake T4XB (tube rig) ...the wide audio response + the 2.4 kHz
xtal filters on the Drake make for a nice audio response, at least on
QSO frequency. A couple guys ragged on me about my "AM-wide signal..."
(a slight exaggeration I'm sure), "...although it sure does sound nice!"

I would guess that the tube SB-rigs had typical hi-z input and the
SB-104 was a low-z, but that's an assumption based on Japanese solid
state rigs.

Being Heath's first solid-state rig, they may have had the foresight to
keep the audio input stage compatible with existing hi-z mikes.

Murray
]