[WSWSS] Fw: Re: 1296Amp.:

Mon, 24 Feb 2003 08:18:58 -0800

--------- Forwarded message ----------
From: Mats Bengtsson <[email protected]>
To: [email protected]
Date: Sun, 23 Feb 2003 22:09:56 -0600
Subject: Re: 1296Amp.:
Message-ID: <000601c2dbba$97171eb0$6701a8c0@mats>
References: <[email protected]>

Hi Ralph.

The 1 tube GS15B amp is a high performance and stable amp for 250W+.
See: http://www.nd2x.net/kd5fzx-gs15s.html

The GS23B amp is a medium performance amp for 1000W+. The problem is that
only 1 in 6-7 tubes work on 1296.
See: http://www.nd2x.net/KD5FZX.html

I am working on a 4 tube GS15B that will produce 1000W+ stable with 50W
drive. Preliminary tests shows 1300-1400W with some thermal drift.
This amp is not ready for publication yet.

I am currently making a batch of 10 single tube GS15B amps. 8 of these
are
already spoken for. FedEx lost 2 amps in California and they are suppose
to
let me know tomorrow if they found them. If not found, then I have to
replace them and will not have any more for sale in this batch.

Typical result with 1 GS15B tube:

Plate voltage 1600-1800V
Idle current 40-50mA
Screen voltage 330-350V
Screen current +1 to -1mA
Grid voltage -22 to -30V
Grid current a@ 10W drive 10-25mA
Heater voltage 5.5 - 5.9V
Drive power 10W
Output 300W+

With 2300V plate voltage and 12W drive, you can get 400W+ output but will
also get some thermal drift.

The amp is priced 295.00 for cavity without tubes, or $385.00 for cavity
with 2 water-cooled tubes. No power-supply, cabinet or other parts
included.

Let me know if you are interested. Current batch should be ready in abt 3
weeks.

73, Mats - KD5FZX - (SM6IKY)

----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Sunday, February 23, 2003 9:29 PM
Subject: 1296Amp.:

> I am interested in your 1296 high power amps. Please
> forward info.
>
> Thanks,
>
> Ralph, K6TSK
>
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