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Re: [Amps] water purity/conductivity in water cooled, tube, > amplifiers

To: Randy <>
Subject: Re: [Amps] water purity/conductivity in water cooled, tube, > amplifiers
From: Kim Elmore <>
Date: Tue, 24 Apr 2018 08:58:05 -0500
List-post: <>
I don’t think this is correct. Every one I’ve ever seen is now aluminum. 

Kim N5OP

"People that make music together cannot be enemies, at least as long as the 
music lasts." -- Paul Hindemith

> On Apr 23, 2018, at 22:33, Randy <> wrote:
>> On 4/23/2018 9:28 AM, wrote:
>> ----------------------------------------------------------------------
>> I know that really pure water is actually corrosive and will do it's
>> best to gain ions in order to get to some natural level of
>> minerals/contaminants.??? I built the coolers out of several pieces of
>> brass and hard silver brazed it all together.? I know the electrical
>> current will cause an etching or eroding effect of the materials in the
>> cooler, but I used what I had.?? At this point, I have no idea how often
>> I will changing? out the water.? Could be after only 10 hours of use, or
>> it may be 100 hours and the cooler may rot out in no time.
>> ------------------------------
> Just wondering out loud... I'd bet some cars have either all-plastic 
> radiators, or, maybe plastic heater cores for the A/C. Maybe that would 
> remove the issues of metal ions from the heat-exchanger. Undoubtedly less 
> efficient at removing heat from the water than metal, but size cures a lot of 
> ills.
> Randy
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