Hello Fred.  These are aprox measurements of the 35 amp.  cabnit including 
the heat sinks.  width 11/75 in,  Hight six in, close to 11 inches deep with 
four transistors on rear. Had to lay on belly under the desk so might be a 
hundreth of an inch off hi hi.  73
Ed  K7UC
----- Original Message ----- 
From: "Steve Forst" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, February 22, 2011 12:53 PM
Subject: Re: Astron power supply


> Fred,
>
> I do have a 20 amp and a 35 amp in the shack.   The 20 amp has 12 fins
> on the rear heat sink and 2 transistors mounted in the gaps between the
> fins.
>
> The 30 amp has 24 fins and 4 transistors  in the gaps between the fins.
>
> There might be a better way to tell, but hope this helps.
>
> 73, Steve KW3A
>
> On 2/22/2011 2:31 PM, Fred Adams wrote:
>> I recently picked up a large Astron power supply but the owner had no
>> paperwork on it.  Do any of you guys know if there is any way to tell the
>> size?  I believe it is a 30 or 35 amp supply but I do not know for sure.
>> Thanks much,
>>
>>
>>
>> Best wishes,
>>
>>
>> FRED C. ADAMS W4HC
>> THE HOUR IS LATE AND
>> THE NIGHT IS FAR SPENT
>>
>