[AMRadio] Solid State 575 mercuryvaporRectifierReplacementsneeded


Bernie Doran qedconsultants at embarqmail.com
Fri Oct 2 05:37:41 EDT 2009


My 20v2 does have the solid state units, before I pay $85, I would run a 
string of 1kv diodes for replacement. if you wanted something similar run 
them up the inside of an acrylic tube with cap and socket attached. 
Original Message ----- 
From: "Nigel Holmes" <Holmes.Nigel at abc.net.au>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Friday, October 02, 2009 3:00 AM
Subject: Re: [AMRadio] Solid State 575 
mercuryvaporRectifierReplacementsneeded


> Whether it's a good price or not depends on the manufacturer.
>
> If they're from Machlett, NEC, Toshiba, RCA or some GE product then 
> probably very good buys. If they're labelled Trigon (often in a lime green 
> & brown box) then likely to be total rubbish.
>
> 73  Nigel VK3DZ
>
> -----Original Message-----
> From: amradio-bounces at mailman.qth.net 
> [mailto:amradio-bounces at mailman.qth.net] On Behalf Of David Knepper
> Sent: Friday, 2 October 2009 2:40 PM
> To: Discussion of AM Radio in the Amateur Service
> Subject: Re: [AMRadio] Solid State 575 mercury 
> vaporRectifierReplacementsneeded
>
> That is a really great price.  Jump on them.
>
> 
>
> David Knepper, W3ST-W3CRA
>
> Publisher of the Collins Journal and
>
> Secretary to the Collins Radio Association
>
> www.collinsra.com
>
>
>
> -------Original Message-------
>
>
>
> From: jon baker
>
> Date: 10/1/2009 7:39:24 PM
>
> To: Discussion of AM Radio in the Amateur Service
>
> Subject: Re: [AMRadio] Solid State 575 mercury vapor Rectifier 
> Replacementsneeded
>
>     Pete,
>
>     Radio Daze (www.radiodaze.com) lists 575A's for $85 each.
>
>   Hope this helps.
>
>     73 es CU
>
>     de AD5HR
>
>       Jon
>
> --- On Thu, 10/1/09, David Knepper <collinsradio at comcast.net> wrote:
>
>> From: David Knepper <collinsradio at comcast.net>
>
>> Subject: Re: [AMRadio] Solid State 575 mercury vapor Rectifier
> Replacementsneeded
>
>> To: "Discussion of AM Radio in the Amateur Service"
>> <amradio at mailman.qth
> net>
>
>> Date: Thursday, October 1, 2009, 11:11 PM
>
>> FYI, Richardson Electronics has 575A's for around $350 and the 
>> solid-state
>
>> replacement for a little over $100.  There is a 6 week wait.
>
>> I use the solid-state plug ins in my 20V-3 and may have a
>
>> few for sale.  I can furnish the numbers if anyone is interested
>
>>
>
>> Inquire by phone.  (814) 487-4403
>
>> Thank you 
>
>> David Knepper, W3ST-W3CRA
>
>> Publisher of the Collins Journal and
>
>> Secretary to the Collins Radio Association
>
>> www.collinsra.com
>
>> -------Original Message-------
>
>> From: Pete Zilliox
>
>> Date: 10/1/2009 7:05:40 PM
>
>> To: AM_RADIO
>
>> Subject: [AMRadio] Solid State 575 mercury vapor Rectifier
>
>> Replacements needed
>
>> All,
>
>> My friend is having a world of trouble with the mercury vapor tubes in a
>
>> Collins 20V-2.
>
>> Anyone have solid state rectifier replacements or KNOWN perfectly good 
>> 575s
>
>> or 575As?
>
>> Let me know,
>
>> 73  Pete, K5PZ
>
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>
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