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RE: RE: Whirlwind HAUC Headphone Amps
To: "'CRTech'" <crtech@crtech.org>
Subject: RE: RE: Whirlwind HAUC Headphone Amps
From: "Wiely Boswell" <wiely@faithradio.org>
Date: Fri, 4 May 2018 09:47:14 -0500
In-reply-to: <CAOkhgWr8wyByapTGOFenrKcOC_jKvg8OBEGoUCx1P1qPW467Qg@mail.gmail.com>
Thread-index: AdPjteEo/2yc/mgiTaqclBbjPECKBwAAJISQ
Standard wart sure will put out high voltage.  It puts out correct voltage at load rated.
We are being invaded by noisy stuff.
I think a lot of things could run on less E
 
Wiely


From: Willie Barnett [mailto:wbradiolists@gmail.com]
Sent: Friday, May 04, 2018 9:40 AM
To: CRTech
Subject: Re: [CRTech] RE: Whirlwind HAUC Headphone Amps

I have a similar feeling... it's also possible that those "24 volt" wall warts are putting out a fair bit MORE than 24v! I suspect that those modules would work perfectly on 18v... and probably "last forever".

Dollars-to-donuts, they are using 25v rated caps inside... and running them at (or beyond!) that limit. Big no-no.

Willie...


On Wed, May 2, 2018 at 3:19 PM, Scott Todd <stodd@kloveair1.com> wrote:

Chinese junk is cheap for a reason.  My guess is it’s probably just bad caps, though.  Simple enough to swap them out if you’re handy with a soldering iron, plus you can install better ones than they came with.

 

Scott

 

From: Jon Foreman [mailto:Jon@ksgn.com]

 

Late last year we did a studio make-over and I installed 5 Whirlwind HAUC Headphone Amps.

 

http://whirlwindusa.com/catalog/headphone-distribution/default/hauc-under-counter-active-stereo-headphone-control

 

These are little boxes that mount under the counter. I like that they have both 1/4 and 1/8 jacks and I can route different signals to different people.

 

When I started having some failures, I bought two as spares. Finally last week I sent three in for service. This morning I got a call that two more are bad. In my opinion this is an unbelievable failure rate.

 

So I have two questions:

 

  1. Do you have recommendations for a similar product?
  2. Do you have experience with these or similar Whirlwind product?

Follow-Ups: Re: RE: Whirlwind HAUC Headphone Amps
(Dan Grimes <dan@grimesgaggle.com>, 4 May 2018 15:54:58 -0000)
References: Re: RE: Whirlwind HAUC Headphone Amps
(Willie Barnett <wbradiolists@gmail.com>, 4 May 2018 14:40:35 -0000)
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