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Old 21st September 2004, 05:00 PM   #31
Berki is offline Berki  Austria
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So, can somebody tell me which relay sounds the best: the NAIS, some Coto Reed-Relay or a NAIS bistable relay? And why?

And, isn't the SX Series better then the DX Serie?

Thanks
Daniel
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Old 21st September 2004, 05:24 PM   #32
BrianL is offline BrianL  United States
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Daniel,

the only relays I've "listened" to are in my passive preamp and
they are some NASA surplus units from the Apollo program. They
seem to work just fine in my system and do not seem to be the
limiting factor.

I've used the Coto relays as well as various NAIS units in precision
instrumentation applications (precision DC msmts. as well as
FFT analyzer applications and RF applications) Coto's have all
worked well. NAIS/Aromat have had various problems previously
mentioned.

BTW, "buzzing" in my terminology means exercising them at
a fairly fast rate for several minutes to break them in and reveal
any infant mortality problems.

charitable response to your question:

I don't think that relay useage is very high among DIY
audiophiles as many seem to use fancy, big, expensive switches.
It's doubtful you'll find many people who have done comparative
listening. I was quite surprised to find the likes of various
high-end manufacturers using relays that I know to have
serious quality and reliability problems.
I tend to stay with brands and models that I can trust
based on my professional engineering experience. Often
my preferences and experience match up to what the DIY
audio crowd (or high-end commercial equipment) use and
sometimes not.

Personally, my life is too busy to do A/B listening tests
of relays. If you have the time, go for it.
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Old 21st September 2004, 06:16 PM   #33
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Default Only problem that I have seen with NAIS relays........

There is very little clearance between the moving parts and the case. If you deform the case, like drip solder on it, it won't operate properly.

I agree with Brian L............I have other things to do than listen to relay A/B tests. Buy one with low minimum voltage and current ratings for the contacts....................

Jocko
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Old 21st September 2004, 10:51 PM   #34
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Quote:
can somebody tell me which relay sounds the best
As far as i can say from experience, the "Click" sound from Meiseis is a little darker than the brighter "click" sound form Takamishawas. Of course you may gain some different, maybe better, sounds from those relays by treating them with a hammer or throw them against a wall....
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Old 21st September 2004, 11:21 PM   #35
guido is offline guido  Netherlands
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Quote:
Originally posted by till


As far as i can say from experience, the "Click" sound from Meiseis is a little darker than the brighter "click" sound form Takamishawas. Of course you may gain some different, maybe better, sounds from those relays by treating them with a hammer or throw them against a wall....
Is that the "on" or "off" click?
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Old 22nd September 2004, 06:50 PM   #36
Berki is offline Berki  Austria
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Very constructive answer...

Anyhow thanks for your answer. If some you have other suggestions please post them.


Daniel
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Old 22nd September 2004, 07:04 PM   #37
ble0t is offline ble0t  United States
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You might give these a look...I know some people who have used them and they say they work quite well. They also have very low driving currents.

MR82
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Old 23rd September 2004, 05:28 AM   #38
BrianL is offline BrianL  United States
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At first pass, the MR82 looks to be a drop-in replacement
for the Aromat/NAIS TXS series
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Old 23rd September 2004, 09:37 AM   #39
troystg is offline troystg  United States
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Default Diode assistance

Hi All-

I was hoping someone could elaborate on LBHajdu's post (# 27) earlier in this thread.

I have a simple diagram attached and any assistance on the diode placement would be appreciated.

Please disregard the drawing if it is easier to start from scratch.

Thank you in advance,

Troy (stgrab@yahoo.com)
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File Type: jpg cs switch #1 (medium).jpg (36.1 KB, 376 views)
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Old 23rd September 2004, 04:04 PM   #40
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There has been a listening test in a german audio magazine some years ago... I've to dig deep to find it..

But I remembered the outcome : the best sounding relay was a mercury wetted relay from Clare.
The contact is made with a small drop of mercury which ensures very good contact especially for low signals/currents.

The only thing that remains is the (electric)magnetic field that can influence the sound

If I can find the test, I'll try to post it.

Dick
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