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Old 10th October 2011, 08:47 PM   #21
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Quote:
Originally Posted by hags View Post

Certainly we've all been guilty of this.

But I think it is polite to thank people for confirming you are right :-)
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Old 10th October 2011, 08:52 PM   #22
hags is offline hags  United States
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Originally Posted by erikb1971 View Post
But I think it is polite to thank people for confirming you are right :-)
Sure, if in agreement, which from the sound of it, the OP was not.

I'm not sure how my comments came off but I'm in full agreement with TerryO. Suggestions have been given and they're not being well received. Why ask for opinions if you're going to pooh pooh all that are given?
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Last edited by hags; 10th October 2011 at 08:56 PM.
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Old 10th October 2011, 08:54 PM   #23
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oh well... Canadian :-)
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Old 10th October 2011, 11:46 PM   #24
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Originally Posted by erikb1971 View Post
oh well... Canadian :-)
Hey I'm Canadian too...

I think he's just a confused one...

But I'm totally in agreement with you guys... We wasted time on this... Especially when I see what we had suggested which was really good!

Do
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Old 11th October 2011, 01:55 AM   #25
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ob disc: I was one half of the design team for this

the AMB alpha 10:

Click the image to open in full size.

very quiet (discrete buffers and discrete PSU) and 127db in half db steps via latched relay atten. open source arduino code for the lcduino controller side of things. 8 selectable ports (each can be set for in/out/disabled). IR remote control and motor pot for UI elements.

again, I worked on this so I'm biased (lol) but its fully high-end by design and by spec. a lot of build time (many connectors and large motherboard) but that's what diy is about - lots of time on your hands

my version does not look as good; the photo show's amb's actual version.
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Old 11th October 2011, 02:16 AM   #26
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Best preamp, money not an object... the Vacuum State RTP certainly has to be a contender. The Marchand between it and everything else will not allow you to appreciate it thou.

dave
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Old 11th October 2011, 02:19 AM   #27
hags is offline hags  United States
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Quote:
Originally Posted by linuxworks View Post
ob disc: I was one half of the design team for this

the AMB alpha 10:

Click the image to open in full size.

very quiet (discrete buffers and discrete PSU) and 127db in half db steps via latched relay atten. open source arduino code for the lcduino controller side of things. 8 selectable ports (each can be set for in/out/disabled). IR remote control and motor pot for UI elements.

again, I worked on this so I'm biased (lol) but its fully high-end by design and by spec. a lot of build time (many connectors and large motherboard) but that's what diy is about - lots of time on your hands

my version does not look as good; the photo show's amb's actual version.
I've built the a20 boards for this and it is currently in use. Very simple, very nice sounding the only thing they could've done to top it is to add a dc servo. The tempo drift on the jfets is a PITA not to mention the thought of amplified DC.

Cascoding the input jfets would've been nice as well but I'm nit picking.
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Old 12th October 2011, 02:34 PM   #28
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For what it's worth:
I put together a Pass B1 buffer using a Goldpoint stepped attenuator that still cost less than $200- .
I have directly A/B'd it with my friend's Audio Research SP15 and can say (gain limitation noted) that the advantage goes to the B1. Both sound fantastic but the B1 has more distinct imagery.
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Old 19th September 2013, 06:34 PM   #29
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Originally Posted by planet10 View Post
Best preamp, money not an object... the Vacuum State RTP certainly has to be a contender. The Marchand between it and everything else will not allow you to appreciate it thou.

dave
It is not a kit though is it? It doesn't appear to be.
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Old 19th September 2013, 06:37 PM   #30
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Certainly at one point one could get sn RTP kit (mine was a kit). You will need to check with Vacuum State.

dave
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