Tom are you still in Colorado or did you move back to Michigan? I've been
off the conference due to some computer problems that have now been fixed.
--------------------------------------------------
From: "tom behler" <[log in to unmask]>
Sent: Sunday, August 15, 2010 4:17 PM
To: <[log in to unmask]>
Subject: Re: Tube amplifiers
> Steve:
>
> Since this has been the first time I have dealt directly with removing and
> installing tubes, I got help. However, I'm sure the more I do it, the
> less
> help I'll need, until I get to the point where I can do it myself without
> giving it a second thought.
>
> I ordered my matched quod of 572B's from RF parts, and I believe the total
> cost was $199.
>
> In my view, the extra money was worth having the more robust ttubes.
>
> Hope to see you on the air real soon, once I get some antennas up which
> shouldn't be too long now.
>
> 73 from Tom Behler: KB8TYJ
>
> ----- Original Message -----
> From: "Steve" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, August 15, 2010 12:26 PM
> Subject: Re: Tube amplifiers
>
>
> Hey Tom,
>
> Did you change those yourself or have somebody do it for you? What is the
> cost for 4 572's now? I use the 811 and might think about making that
> swap.
>
> ----- Original Message -----
> From: "tom behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Saturday, August 14, 2010 12:17 PM
> Subject: Re: Tube amplifiers
>
>
>> To help Fred out further, I ordered my matched quod of 572B's from RF
>> parts.
>>
>> I believe the web site is:
>>
>> www.rfparts.com
>>
>> The matched quod (set of four) was $199, which is about $100 more than a
>> matched set of 811's, but, in my view, the more robust tubes are worth
>> the
>> extra cost in the long run.
>>
>> 73 from Tom Behler: KB8TYJ
>>
>> ----- Original Message -----
>> From: "Kevin Nathan" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Friday, August 13, 2010 6:10 PM
>> Subject: Re: Tube amplifiers
>>
>>
>> Hi Fred,
>>
>> They are very common but, as John says, they are a little more expensive.
>>
>> Very 73.
>>
>>
>>
>> Kevin :)
>> Amateur Radio: K7RX
>>
>>
>> -----Original Message-----
>> From: For blind ham radio operators
>> [mailto:[log in to unmask]]
>> On Behalf Of Fred Adams
>> Sent: Friday, August 13, 2010 14:33
>> To: [log in to unmask]
>> Subject: Re: Tube amplifiers
>>
>> Are 572B tubes easy or hard to find? Thanks to you guys for the info on
>> the
>>
>> 811 tubes. I'll hold on to this info for future reference.
>> ----- Original Message -----
>> From: "John Miller" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Friday, August 13, 2010 1:02 PM
>> Subject: Re: Tube amplifiers
>>
>>
>>> I've used an amp with 811 tubes with no problem. My recommendation
>>> though
>>> is
>>> swap the 811 tubes with 572B's which run cooler but I can't complain
>>> about
>>> them I don't know why they'd be any harder or easier than anything else.
>>> ----- Original Message -----
>>> From: "Fred Adams" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Friday, August 13, 2010 11:46 AM
>>> Subject: Tube amplifiers
>>>
>>>
>>>> Are any of you guys using or have you used an amplifier with 811 tubes?
>>>> I
>>>> have heard some blind hams say that amplifiers with 811 tubes are not
>>>> very
>>>> easy to tune, what do you think? I was thinking of getting one or a
>>>> single
>>>> 3-500 tube amplifier. I would appreciate your comments. I purchased a
>>>> new
>>>> Ameritron AL80B several years ago and didn't like it so I swapped it
>>>> off.
>>>>
>>>>
>>>>
>>>> Best wishes,
>>>>
>>>>
>>>> FRED ADAMS W4HC
>>>> LETS ALL REMEMBER
>>>> VOTE IN NOVEMBER
>
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