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[Amps] Drake L7 mods.

To: Amps Reflector <amps@contesting.com>
Subject: [Amps] Drake L7 mods.
From: Mark Hill <g4fph@mjha.co.uk>
Date: Sun, 03 Jun 2007 13:47:58 +0100
List-post: <mailto:amps@contesting.com>
Folks,

Have just purchased a late model Drake L7E (E for export?) as a 
utility amplifier for HF.  As a teenager, I used to dream of being 
able to afford a pair of 3-500 - only taken me 30 years to get there!

I'm guessing that, as the amp. comes from the 'golden age', it might 
benefit from a few mods. - possibly inrush protection and some 
attention to the changeover relay if its a high voltage coil 
type.  Can anyone help short cut a lot of 'Googling'?!

Also, does anyone have a manual (as a PDF etc) for the PSU they could send me?

Finally, does anyone have experience of running 4-400 in place of the 
3-500 in this amp.?  My teenage store cupboard still has a few 4-400, I think!

Regards.

Mark.
*******************************************
Mark Hill - G4FPH
E-mail: g4fph@mjha.co.uk
Current web pages at: www.g4fph.net
Old web pages at: www.qsl.net/g4fph
----------------------------------------------------------------------
Dipoles resonant on 1940 / 3700 kHz
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Remember - SIDE for HV safety:
S witch off
I solate
D ump
E arth
*******************************************


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