[R-390] Alternative to IERC tube shields?

[Raymond Cote]

What is an R-42?   A recorder of sorts? What do you use it for?
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----- Original Message ----- 
From: "rbethman" <rbethman at comcast.net>
To: <R-390 at mailman.qth.net>
Sent: Monday, August 17, 2009 6:49 AM
Subject: Re: [R-390] Alternative to IERC tube shields?


>I pointed our friend Osamu, in Japan, to the Evil Place.
> 
> There was a full set going for the price of the Audiophool Single.  They 
> were specifically for R-390A or audio amplifier.
> 
> The set finally went for $51.  Considering that he doesn't have access 
> to our hamfests, if it was him that took the bid, then he made out just 
> fine.
> 
> I have more than enough for my R-390A.  My SP-600 has gotten a "few", 
> the remainder are going bare!  It sits in a rack with neither a top nor 
> a bottom.  There is enough room in the rack for the R-390A when it comes 
> off the bench, and still have space for the power supply and 4-1000A 
> amplifier. 
> 
> Oh yeah!  I forgot to mention that an R-42 reproducer is the top element 
> in the rack!  Switchable between the two different receivers!
> 
> Bob - N0DGN
> 
> Larry Snyder wrote:
>> 2002tii <bmw2002tii at nerdshack.com> wrote:
>>   
>>> I actually tested these in their original application (high-end 
>>> high-fi), and found that both the plates and the envelopes of tubes 
>>> ran significantly hotter with the devices installed.  More audiofool
>>> snake oil.
>>>     
>>
>> Right up there with hand-turned wood preamp knobs to reduce the
>> microphonics and increase the 'sonic purity' of your system.
>> I usually spell it audiophool.
>> -ls-
>>   
> 
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