Vishay s102 in I/V position?

KT · 21st February 2006, 01:02 PM

Has anyone tried the Vishay s102 resistors in the I/V position of their DAC?

How does it compare to Caddock, Riken, Dale, etc?

Thanks,
KT

Peter Daniel · 21st February 2006, 01:25 PM

You can read about it here: http://www.diyaudio.com/forums/showt...ht=#post487490

S102s where the first resistors I tried in my NOS DAC, I didn't like them much.

fmak · 21st February 2006, 06:23 PM

[QUOTE]Originally posted by KT
[B]Has anyone tried the Vishay s102 resistors in the I/V position of their DAC?

How does it compare to Caddock, Riken, Dale, etc?

----------------------------------------------------------------------------------

Unlike Peter, I have done comparisons as a series resistor in a passive preamp. I prefer the S102k, then Dale. Don't like the brighyter sound of Caddocks or the less refined sound of the Rikkens.

I see where Pater is coming from.

Incidentally the resistors are directional and you should check by reversing it in use.

???

Peter Daniel · 21st February 2006, 06:30 PM

I was indicating specific application, I/V resistor in NOS DAC. In that position Vishay S102 was simply no good, same for Caddock MK132.

For series signal application, like passive volume control, I also prefer Vishay S102 over Riken, Dale and Caddock, however to me, the S102 always sounded too laid back. Some people say it's neutrality, I think it's too much damping from the plastic case. For series application, my first choice is TX2352, although it's a bit bright as well.

For a shunt application, in passive volume control in front of GC amp, nothing beats MK132, I still don't know why

teddigital · 26th February 2006, 01:43 PM

http://www.teddigital.com/COPS1708z201.htm

KT · 26th February 2006, 05:44 PM

Ted,

I see you like them in the I/V position very much. Especially the even higher specced green variety.

Translated page - http://tinyurl.com/37he

How do they compare in the I/V position vs. the Riken?

I have Vishay S102k in the I/V position of my Scott Nixon DacKit. I think the dac sounds good, though I can't say that it wouldn't sound better with something else, like Riken or Caddock TF020. I haven't tried in the DacKit.

I did replace the stock generic metal film I/V and ref. voltage resistors in my Monica II dac a few days ago, however, with Caddock TF020. I also replaced the stock generic metal film constant current resistor with Caddock MK132.

The sound is cleaner and clearer but softer sounding. At the same time, however, the sound is less lush and alive. Kind of flat and doesn't breathe as much. It probably needs to burn in further, but right now it's not quite as involving. Maybe it would sound better if the constant current resistor were changed to Riken? Maybe just needs more burn in?

We'll see in a few weeks.

Best,
KT

teddigital · 26th February 2006, 09:50 PM

I made some D/A boards used 1/2W 1% RIKEN registers, before Vishays.

RMG(Metal Film)
RMG(Low Noise Carbon)
PSNB(Carbon)

I choice Vishay bulkmetalfoil series registers. Vishay's noise figure and sound quality are better than Riken 1%RMG or 1%RXG.

By the way, RMG carbon registers are dis-continue Dec.2005.
http://www.rikendengu.co.jp/doc/audio.pdf

teddigital · 26th February 2006, 09:50 PM

PSNB is 1/4W register.

teddigital · 27th February 2006, 03:27 AM

RXG(Metal Film)

teddigital · 27th February 2006, 02:08 PM

http://www.teddigital.com/1708.htm

21st February 2006, 01:02 PM	#1
KT diyAudio Member Join Date: Oct 2003 Location: USA	Vishay s102 in I/V position? Has anyone tried the Vishay s102 resistors in the I/V position of their DAC? How does it compare to Caddock, Riken, Dale, etc? Thanks, KT

21st February 2006, 01:25 PM	#2
Peter Daniel diyAudio Member Join Date: Jul 2002 Location: Toronto, Canada	You can read about it here: http://www.diyaudio.com/forums/showt...ht=#post487490 S102s where the first resistors I tried in my NOS DAC, I didn't like them much. __________________ www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC

21st February 2006, 06:23 PM	#3
fmak diyAudio Member Join Date: May 2001 Location: London UK	Re: Vishay s102 in I/V position? [QUOTE]Originally posted by KT [B]Has anyone tried the Vishay s102 resistors in the I/V position of their DAC? How does it compare to Caddock, Riken, Dale, etc? ---------------------------------------------------------------------------------- Unlike Peter, I have done comparisons as a series resistor in a passive preamp. I prefer the S102k, then Dale. Don't like the brighyter sound of Caddocks or the less refined sound of the Rikkens. I see where Pater is coming from. Incidentally the resistors are directional and you should check by reversing it in use. ???

21st February 2006, 06:30 PM	#4
Peter Daniel diyAudio Member Join Date: Jul 2002 Location: Toronto, Canada	I was indicating specific application, I/V resistor in NOS DAC. In that position Vishay S102 was simply no good, same for Caddock MK132. For series signal application, like passive volume control, I also prefer Vishay S102 over Riken, Dale and Caddock, however to me, the S102 always sounded too laid back. Some people say it's neutrality, I think it's too much damping from the plastic case. For series application, my first choice is TX2352, although it's a bit bright as well. For a shunt application, in passive volume control in front of GC amp, nothing beats MK132, I still don't know why __________________ www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC

26th February 2006, 01:43 PM	#5
teddigital diyAudio Member Join Date: Feb 2006 Location: Yokohama Japan	Vishay Bulk Foil Regs for I/V section http://www.teddigital.com/COPS1708z201.htm


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26th February 2006, 05:44 PM	#6
KT diyAudio Member Join Date: Oct 2003 Location: USA	Ted, I see you like them in the I/V position very much. Especially the even higher specced green variety. Translated page - http://tinyurl.com/37he How do they compare in the I/V position vs. the Riken? I have Vishay S102k in the I/V position of my Scott Nixon DacKit. I think the dac sounds good, though I can't say that it wouldn't sound better with something else, like Riken or Caddock TF020. I haven't tried in the DacKit. I did replace the stock generic metal film I/V and ref. voltage resistors in my Monica II dac a few days ago, however, with Caddock TF020. I also replaced the stock generic metal film constant current resistor with Caddock MK132. The sound is cleaner and clearer but softer sounding. At the same time, however, the sound is less lush and alive. Kind of flat and doesn't breathe as much. It probably needs to burn in further, but right now it's not quite as involving. Maybe it would sound better if the constant current resistor were changed to Riken? Maybe just needs more burn in? We'll see in a few weeks. Best, KT

26th February 2006, 09:50 PM	#7
teddigital diyAudio Member Join Date: Feb 2006 Location: Yokohama Japan	RIKEN registers RXG,RMG,PSNB I made some D/A boards used 1/2W 1% RIKEN registers, before Vishays. RMG(Metal Film) RMG(Low Noise Carbon) PSNB(Carbon) I choice Vishay bulkmetalfoil series registers. Vishay's noise figure and sound quality are better than Riken 1%RMG or 1%RXG. By the way, RMG carbon registers are dis-continue Dec.2005. http://www.rikendengu.co.jp/doc/audio.pdf

26th February 2006, 09:50 PM	#8
teddigital diyAudio Member Join Date: Feb 2006 Location: Yokohama Japan	PSNB is 1/4W PSNB is 1/4W register.

27th February 2006, 03:27 AM	#9
teddigital diyAudio Member Join Date: Feb 2006 Location: Yokohama Japan	RXG(Metal Film)

27th February 2006, 02:08 PM	#10
teddigital diyAudio Member Join Date: Feb 2006 Location: Yokohama Japan	http://www.teddigital.com/1708.htm

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