[Amps] List of Upgrades or Mods for Alpha 77DX / SX?

[Paul Christensen]

I suppose (5) would include an upgrade of the PS filter cap.  Several of us are now using oil caps rated at 35uF @ 5KV. 

Paul, W9AC



Sent from my iPhone5

On Dec 30, 2012, at 4:03 PM, Paul Christensen <w9ac at arrl.net> wrote:

> Rich,
> 
> On my 77Dx, the only changes have been to 1) balance the 8877 filament, taking all filament current off the chassis; 2) adding a filament choke; 3) adding Siemens GDTs; and 4) ensuring the 8877 gets the target 5.0V under today's elevated utility voltage. 
> 
> Paul, W9AC
> 
> 
> Sent from my iPhone5
> 
> On Dec 30, 2012, at 2:00 PM, Rich Hallman - N7TR <rich at n7tr.com> wrote:
> 
>> Looking for a consolidated list of what people have for needed upgrades or mods done on the Alpha 77DX/SX?
>> 
>> Thanks...Rich
>> 
>> Rich N7TR
>> ex KI3V, N3AMK, WB3JOV
>> www.n7tr.com<http://www.n7tr.com>
>> http://www.qrz.com/db/N7TR
>> Telnet: dxc.n7tr.com N7TR DXCluster
>> 
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