[Amps] Blower source

[Vic K2VCO]

I bought a well-constructed looking surplus one from All Electronics very cheaply. 
Unfortunately, it hums loudly. You get what you pay for.

On 11/12/2010 5:36 PM, Dave M wrote:
>
> I was hoping to find something from one of the surplus joints for 50-60 bucks, and I
> see that CTR has a few , but I suppose given the importance of what I get $150 would be
> a fair investment
>
>
> ......................................................................................................
>
>  73     VE3DV , Dave
>
>
>
>
>
>> From: dezrat1242 at yahoo.com To: amps at contesting.com Date: Fri, 12 Nov 2010 17:31:02
>> -0800 Subject: Re: [Amps] Blower source
>>
>> ORIGINAL MESSAGE:
>>
>> On Fri, 12 Nov 2010 16:55:52 -0800, "Jim W7RY"<w7ry at inbox.com>  wrote:
>>
>>> You can see the EBM/PAPST unit that I'm using. I don't have the exact number on my
>>> blower handy. It's a cast aluminum housing and extremely well balanced. Mine is 230
>>> volts AC.
>>
>> REPLY:
>>
>> EBM-Papst is probably the Rolls Royce of blowers for ham use. I have one of the 91
>> CFM units in my HB amp and am very satisfied with it. They are expensive but worth
>> it, IMO. Mine was about $140 two years ago. You must purchase a separate start/run
>> capacitor for it, about $10 from McMaster-Carr.
>>
>> Newark carries them in the US.
>>
>> 73, Bill W6WRT

-- 
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/