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Old 1st October 2012, 03:52 PM   #1
Tolu is offline Tolu  Germany
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Default MUSES 72320 electronic volume

Hi,

does anyone know this electronic volume ic?

It is used by NP in the XP 30 preamp and by AVM in their SA 8.
Not really cheap (40 US$) but good specs.
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Old 1st October 2012, 05:45 PM   #2
wayne is offline wayne  United States
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NJR came from Japan and delivered some samples to us at Pass Labs and they seemed rather excited about them. Rightly so it is a very nice part and hence it was used in the XP30. Mac is also using it and you will see it in more products soon. NJR has some audiophiles that really want to make good parts. And this part works great if used correctly, no internal amps you choose your own or build them.
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Old 1st October 2012, 07:08 PM   #3
Tolu is offline Tolu  Germany
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Hi Wayne,

that's your big advantage. I think I won't get any samples at all! And I haven't found a distributor that sells one part to tinker guys like me.

Your XP 30 is a very nice device! I didn't have the pleasure to hear it but I read all articles in german press.

Are the examples in the data sheet to the jfet and bipolar input opamps recommendable?

Best regards

Thomas
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Old 1st October 2012, 08:51 PM   #4
wayne is offline wayne  United States
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I think the examples work well on the data sheets but it has so much range we only use the front section. It feeds quad fets. Another good part is the Maxim 1882. It has 63 dB range and is inexpensive plus available.
Was the XP30 in hifi & Records?
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Old 2nd October 2012, 05:52 AM   #5
Tolu is offline Tolu  Germany
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Is Maxim 1882 superior to PGA2310/2311?
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Old 2nd October 2012, 07:03 AM   #6
Tolu is offline Tolu  Germany
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Yes, one article was in hifi & records and the other one in Stereoplay.

One comparison else: DS1882 <-> (Blue) Alps MC27112
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Old 2nd October 2012, 12:33 PM   #7
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Thumbs up Stereoplay Article

Hi Wayne, your XP30 made it to replace the Thorens TEP 3800 as the reference preamp for the "Stereoplay" magazine - maybe Google Translate can help you on the german article here.
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Old 2nd October 2012, 04:27 PM   #8
wayne is offline wayne  United States
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Quote:
Originally Posted by Tolu View Post
Is Maxim 1882 superior to PGA2310/2311?
I like the Maxim because it has no op amps in it. You provide what you like for the op amps or build a discrete circuit. I have not tried the PGA2310.
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Old 2nd October 2012, 04:32 PM   #9
wayne is offline wayne  United States
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Quote:
Originally Posted by rollingtube View Post
Hi Wayne, your XP30 made it to replace the Thorens TEP 3800 as the reference preamp for the "Stereoplay" magazine - maybe Google Translate can help you on the german article here.
Thank you. Google translate helps and is always improving but some of the German technical words are hard. Being a typical american I barely know English. I should of payed more attention to my German and French grandparents.
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Old 2nd October 2012, 05:08 PM   #10
Zen Mod is offline Zen Mod  Serbia
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I'm sometimes finding Google Chrome's integrated translator thingie more useful than on-line Google Translator service
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