[Amps] Mobile Amps

[Will Matney]

Bob,

Actually, it will work on all the bands, it just wont have a low pass filter to keep a lower band from interfering with a higher one. That's all the bandpass boards are I've seen in the Ham mobile amps. They have a switchable low pass filter for each band with a cut off frequency set at the next highest band to be used. Matter of fact, there's none I've seen with any type of tuning on the input since it's wideband. If one wanted, he could add a switchable bandpass filter in the coax off the output between it and the load.

$900 is a little high for this one as it looks to have a little age on it. But, your looking at a 16 transistor amp which I dont think any is being made by the amateur community. That amps output will be around 1200-1600 watts as a rough guess. The main reason I posted about this one was so folks could see how they're being made.

Best,

Will

*********** REPLY SEPARATOR  ***********

On 7/31/05 at 10:14 AM Bob Maser wrote:

>And the reserve is $950, for an amp that needs major mods to work on the
>ham 
>bands???  It's hard enough to find a ham willing to spend that much on
>legit 
>ham gear, and it's not even made in Japan!
>
>Bob  W6TR
>----- Original Message ----- 
>From: "Will Matney" <craxd1 at verizon.net>
>To: <amps at contesting.com>
>Sent: Sunday, July 31, 2005 9:28 AM
>Subject: [Amps] Mobile Amps
>
>
>> All,
>>
>> I ran across this solid state amp on ebay and thought it might be a good 
>> one to convert over to amateur service. I about bet now it's class C but
>a 
>> bias circuit can be added. It doesn't have a good RF keyer in it either. 
>> However, the builder did add an air variable capacitor for output tuning 
>> which is a step up for most. This "Pac Man" brand is a name I've never 
>> heard of. From the pictures though, it looks like a good candidate
>inside 
>> and that it may have enough room for a bandswitched filter board. If
>your 
>> not interested in buying it, the pics give a good idea of what they look 
>> like on the inside. Also, this amp uses 8 sets of push-pull amps using
>16 
>> transistors. In other words, it's a big amp.
>>
>> Link;
>>
>>
>http://cgi.ebay.com/PAC-MAN-16-PILL-10-METER-AMP_W0QQitemZ5794298630QQcategoryZ48700QQrdZ1QQcmdZViewItem
>>
>> Best,
>>
>> Will
>>
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>
>
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