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Re: [Amps] GM3SEK Triode and Tetrode Boards

To: Ian White <>
Subject: Re: [Amps] GM3SEK Triode and Tetrode Boards
From: Mark Schoonover <>
Date: Thu, 13 Dec 2018 20:22:39 -0800
List-post: <>

I'm in the process of building up a set of tetrode boards. You can
view my live stream page for videos during assembly:

I can say I didn't have that much difficulty finding parts across the
pond. Mostly ordered from Digikey and Jameco. My challenge though was
with the PCBs - some newer components have smaller footprints than
when the boards were originally layed out. That hasn't been a show
stopper for me.

73! Mark KA6WKE

Live Stream:
EMail Announcement:
Author: 4NEC2 The Definitive Guide
EMail List::

On Thu, Dec 13, 2018 at 5:28 AM Ian White <> wrote:
> Over the past 20 years I have supplied over 2300 boards and kits to
> tube amplifier builders around the world - literally, from Alaska to
> Antarctica.
> However, these products are nearing the end of their design lifetime
> and some parts are becoming harder to find, so we are giving a whole
> year's notice that the Tetrode Boards and the Triode Board will be
> 'retired' from the market by the end of 2019.
> Until then, sales will continue as normal (see
> for ordering details and the
> downloadable user manuals).
> Support for existing customers will of course continue beyond that
> date.
> 73 from Ian GM3SEK
> _______________________________________________
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