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Old 19th September 2004, 10:12 AM   #21
Berki is offline Berki  Austria
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Hi,

so for best sound i should use the SX-Relay from NAIS, which sounds better than a reed relay, right?

Which reed relay (exact type name) would you recommend for audio purpose?

What do you mean with "buzz"?

Thanks
Daniel
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Old 19th September 2004, 12:58 PM   #22
guido is offline guido  Netherlands
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Quote:
Originally posted by peranders
One of ther best relays comes from SDS which has changed it's name to NAIS.

The DS type is really good at very low currents. I had a bunch of those but not any longer.
Using DS2E-M-12V in my preamp for years now. No problems with them at all. Now looking for some more to make a volumecontrol with relays.
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Old 19th September 2004, 01:28 PM   #23
troystg is offline troystg  United States
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Default WARNING!! Hijacking in progress

Hijacking in progress!!!


I interrupt this program for a brief question!!

Hi All-

I am researching threads about good signal relays for a switching project I am working on and figured I would ask a question.

I am looking for a logic circuit to turn on 1-4 relays using 4 buttons for direct access to a relay. Only one relay can be operational at a time, and they must have direct access from its respective button, which would turn off all other relays.

In essence the same as a preamp with multiple inputs and 1-to-1 correlating selector buttons but I will be using for distribution, not input selection.

I would appreciate any assistance on this matter.

Thanks again,

Troy

NOW back to your thread about best sounding relays!!!
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Old 20th September 2004, 04:50 PM   #24
Apex Jr is offline Apex Jr  United States
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Default NAIS Relays

To Guido and Rabstq:
I have in stock a good quantity of NAIS Relays:

DS2Y-S-DC5 DPDT 5Vdc Price $1.25ea
DS2Y-S-DC12 DPDT 12VDC Price $1.50ea
NEW Packed 50 to a box and 500 to a master carrton
Quantity price available on the 5V relay only...

Steve @ Apex Jr.
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Old 20th September 2004, 04:52 PM   #25
Electrons are yellow and more is better!
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Those DS1, DS2 and DS4 is REALLY good relays
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Old 20th September 2004, 06:42 PM   #26
troystg is offline troystg  United States
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Thanks Peranders, for easing my mind since I don't know the different relay brands/quality.

I just ordered some.

Troy
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Old 20th September 2004, 07:04 PM   #27
LBHajdu is offline LBHajdu  United States
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Troy,
The solution is very simple, use latching relays. Connect every relays latch down pin with a blocking diode to all the other relays latch-up pins.
Leve
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Old 20th September 2004, 07:19 PM   #28
troystg is offline troystg  United States
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Hey Leve-

Any suggestions on the latching relays? And that is a very good recomendation. I will investigate a circuit for switching noise.

Thanks,

Troy
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Old 20th September 2004, 07:56 PM   #29
Electrons are yellow and more is better!
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The only reasons for using bistable relays are when

1 You want to save power

2 You want a memory when you have a power interruption


The disadvantage is more complex control circuits. You won't get less switching noise either.

BTW: NAIS/SDS has also very good bistable relays....
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Old 20th September 2004, 09:00 PM   #30
BrianL is offline BrianL  United States
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Per,

there are other reasons for using latching relays. For example,
if you are concerned about thermal EMF, you'd use latching relays so that there is minimal heating of the contacts due to coil
heating, and hence, lower thermal EMF due to less temperature rise. Similarly, you might want minimal potential for noise
induced due to noisy relay power. Also, a latching relay
is likely to have a longer life since the coil is not likely to
burn out due to constant use.

Daniel, you want specific Coto reed relay suggestions:

I've used the 29xx series and the 900x series. I've also
used some of the low thermal EMF relays (don't remember
the p/n's). A design currently in the works will use the
9012 and 2341 series relays. (I believe those are the correct
numbers, but I'm currently 2Mm away from my parts list)
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