The Elecraft Pro Set is essentially a duplicate of the Heil IC Pro Set. The
IC version of the Heil was, as I understand it, introduced as a suggested
model for Icom radios (thus the "IC" designation), and has an electret
cartridge. Electrets apparently work quite well with Icom gear, and they
work very well with Elecraft gear. As most already probably know, many of
us who have Elecraft K3's and K2's have opted for the Yamaha CM500, which
also has an electret cartridge, and is considerably cheaper than Heil's
models. All the bias requirements for electrets are handled through menu
options on the K3, so it is very simple to use them. It also plugs directly
into the back of the K3, so you don't need any of the adapters. The K2 will
also provide the necessary bias, but you have to change a connection
internally. I personally don't find any particular benefit to either the
Heil or the Elecraft models, and I have both. The Yamaha works great.
Dave W7AQK
-----Original Message-----
From: Don Wilhelm
[hidden email] [Elecraft_K3]
Sent: Thursday, December 31, 2015 6:49 AM
To: Irwin Darack ;
[hidden email] ; elecraft_k3
Subject: [Elecraft_K3] Re: [Elecraft] Heil Proset Headphones
Irwin,
The main difference is in the microphone element.
The PS-6 has the Heil HC-6 element which is a wide range dynamic element
which has a relatively low output.
The ProSet-K2/K3 uses an electret element which has a high output level
- it needs to have bias turned on.
The K3/K3S is quite capable of handling either of them.
73,
Don W3FPR
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