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Old 17th July 2003, 09:03 AM   #21
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Well said Nuuk

Over the years i have accumulated boxes of parts, sometimes 'audio grade' which are pure junk and i'll never use. No amount of opinion polling will really help you decide what sounds best for your ears. Sooner or later you have to bite the bullet and listen for yourself if you're half serious. And be ready for the occassional disappontment
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Old 17th July 2003, 10:24 AM   #22
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Quote:
Originally posted by analog_sa


Use supermarket parts and you get supermarket sound. I bet even the Parasound is using better components.

Hm, if I invest in a company with designer cash, should I expect higher returns?

the amp behaves the same with RS parts, no parts, and some better ones (BC, Panasonic and aerovox), to remind you.
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Old 17th July 2003, 10:37 AM   #23
Nuuk is offline Nuuk  United Kingdom
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Just a timely reminder that parts quality is only one aspect of the over all sound quality. Circuit design and circuit construction play a huge part too!
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Old 17th July 2003, 10:55 AM   #24
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[QUOTE]Originally posted by Nuuk
[B]

fmak, where do you get the Gales from?

The NX-Qs need a very long time to sound their best but when they do, it is worth the wait. I was 'lucky' to have had some for my GCs that had already seen service in another amp.
--------------------------------------------------------

Farnell - you need the Newark part no first from the net. I tend to be suspicious about every long burn in. I suspect that one gets used to the sound. Good components should sound good after say, a week or so. Maturation should lead to improvement.
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Old 17th July 2003, 10:57 AM   #25
miguel2 is offline miguel2  Portugal
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Where can we buy Blackgates in Europe? RS and Farnell dont seem to sell them. What about Elnas RJH?

What resistors are you using for the output 0R22? I saw Caddocks in the RS catalog for 4.93 euros which seems a good choice.

I have a supermarket GC based on OPA549 and now I want to try the real design

Miguel
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Old 17th July 2003, 11:00 AM   #26
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Quote:
the amp behaves the same with RS parts, no parts, and some better ones
I was also beginning to suspect that yor amp behaves the same with no parts. Thanks for the clarification.
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Old 17th July 2003, 11:01 AM   #27
Nuuk is offline Nuuk  United Kingdom
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Quote:
Farnell - you need the Newark part no first from the net.
So they are not in the Farnell catalogue then?
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Old 17th July 2003, 12:20 PM   #28
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Originally posted by glyphin
PSB Alpha's are a ported bass two-way design so they have a impedence dip to around 4 ohms at the port frequency.

that made a lot of sense: the psbs forced a pioneer 45tx to shut down under reasonable volume. and that avr had a known shutdown problem with <6ohm speakers.
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Old 17th July 2003, 12:22 PM   #29
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Quote:
Originally posted by analog_sa


I was also beginning to suspect that yor amp behaves the same with no parts. Thanks for the clarification.

I am glade that you finally GOT it, .
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Old 17th July 2003, 02:31 PM   #30
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Quote:
Originally posted by fmak


BG FKs are much better, Ns are fine too, as are Nihicon KZs.
-------------------------------------------------

Black Gate NX-Q type

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

Haven't found them to be magical , as some say

Without burning in period, I found standard BG to sound better than N type. Even now, after quite a long time of usage, I'm still not sure if N types are much better than 3 times cheaper standard grade of BG. I never tried FK, could it be that they are better than N type. It seems to me like standard caps present more direct and lively sound, while N type is very laid back with possibly more detail.


Quote:
Originally posted by analog_sa


Capacitors

I have terminally given bypassing - it always sounds disjointed to my ears. Rather live with less bandwidth than unnatural sound. That said, i certainly haven't tried all bypassing combinations. Much easier to simply use std BG.


I was bypassing before, as this was a common practice I picked up without much thinking about it. My recent experiments show, that indeed when bypassing the sound the sound seems to be indeed disjointed. You got initially the impression of more clarity and detail, but this is at the cost of loosing natuaral integrity of the sound, if I can use that expression.


As to resistors, while I like the Caddocks in feedback position over Rikens, I recently tried Caddocks as I/V resistors in my tda1543 DAC and I preffered Rikens. So I would say that choosing best resistor for a job is very circuit depandant, you just have to try as many as you can and choose the one you like the most.

Mills wirewounds (5W) work pretty good at the output of GC with adding only a little bit of sonic signature, which is not annoying. If you looking for that resistors, put an add "parts wanted" in trading post as those resistors were bought in 1K quantity as a forum's group buy. But you don't really need those resistors.
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