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About Daudio

Basic Information

Age
69
Audio System
Music Server(s):
2012 Mac Mini (2.5g I5, 16gb, SSD, MMK, LPSU)
Music Server Operating System:
Mac OS X 10.9 (Mavericks)
Preferred Digital Interface(s):
USB, FireWire
Digital to Analog Converter(s):
Benchmark DAC-2 HGC
Digital to Digital Converter:
Intona Isolator -> UpTone Audio Regen
Preamplifier:
MFA Magus (tube) - thru DAC-2 line stage
Amplifier(s):
(temp ARC D-52d (modded) - Marsh A400S (MOSFET)
Loudspeakers:
Acoustat Spectra 3300's and Velodyne FSx12's
Interconnects:
USB: Supra .7m & Curios Regen Link; Analog: DIY Mogami/Vampire; IC's: temp PBJ, Nordost Blue Heaven XLR,
Loudspeaker Cables:
Nordost Blue Heaven, 2 meter
Power Cables:
stock & homemade, Marsh/Monster HTS2000 power strip
Remote Control(s):
iPod Touch
Remote Control Apps:
iTunes Remote
Miscellaneous:
Vibration control devices, connection enhancement, cable dressing, acoustical treatments
Dream System:
it evolves, and realizes, a little at a time. The anticipation and work is part of the reward.
Headphones:
Sennheiser HD-600
Headphone Amplifier(s):
built in to DAC
Portable Player(s):
iPod shuffle
About Me
Location:
Detroit Metro
Occupation:
retired programmer

Signature


More signal, less noise, please.

Dave A's system: Audirvana+ 2.6/iTunes 10/OSX 9.5, on 2.5gb I5, 16GB, 2012 Mac Mini (w/ MMK & LPSU), USB->Supra-Intona-Regen-Curious, to Benchmark HGC, to SS amps, to Electrostatics and servo subs

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Total Posts
Total Posts
1,340
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General Information
Last Activity
Today 03:45 PM
Join Date
11-06-2010
Referrals
0

2 Friends

  1. bdiament bdiament is offline

    Soundkeeper

    bdiament
  2. Superdad Superdad is offline

    Music lover; Owner, UpTone Audio

    Superdad
Showing Friends 1 to 2 of 2
Audio System
Music Server(s):
2012 Mac Mini (2.5g I5, 16gb, SSD, MMK, LPSU)
Music Server Operating System:
Mac OS X 10.9 (Mavericks)
Preferred Digital Interface(s):
USB, FireWire
Digital to Analog Converter(s):
Benchmark DAC-2 HGC
Digital to Digital Converter:
Intona Isolator -> UpTone Audio Regen
Preamplifier:
MFA Magus (tube) - thru DAC-2 line stage
Amplifier(s):
(temp ARC D-52d (modded) - Marsh A400S (MOSFET)
Loudspeakers:
Acoustat Spectra 3300's and Velodyne FSx12's
Interconnects:
USB: Supra .7m & Curios Regen Link; Analog: DIY Mogami/Vampire; IC's: temp PBJ, Nordost Blue Heaven XLR,
Loudspeaker Cables:
Nordost Blue Heaven, 2 meter
Power Cables:
stock & homemade, Marsh/Monster HTS2000 power strip
Remote Control(s):
iPod Touch
Remote Control Apps:
iTunes Remote
Miscellaneous:
Vibration control devices, connection enhancement, cable dressing, acoustical treatments
Dream System:
it evolves, and realizes, a little at a time. The anticipation and work is part of the reward.
Headphones:
Sennheiser HD-600
Headphone Amplifier(s):
built in to DAC
Portable Player(s):
iPod shuffle

11-15-2016


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Recent Entries

Moving on: An inexpensive ($20), but high quality, LPSU for my Regen cascade (warning: some DIY):

by Daudio on 02-05-2016 at 01:50 PM
After recently finding a (used) UpTone Audio MMK kit for a very nice price, I now needed a good LPSU for my Regen cascade, so the existing supply could be removed and used for my Mac Mini (as originally intended). I didn't want to wait for the up-coming UpTone "whatever-it-is" regulator. But the idea of a separate regulator module and a cheap raw supply sounded like a very good idea, so I looked around to see what I could find to combine it with parts I have hanging around and a little

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Powering a Regen cascade - one possibility (a 65VA eBay LPSU), including the 12V dilemma

by Daudio on 02-05-2016 at 12:57 PM
Note: I started writing up this project in early October 2015, as I was assembling the parts, but it has taken all this time to complete and refine the text for publication (it was not my highest priority, but worth completing).


1) The Regen cascade

My USB cleanup cascade is made up of two UpTone Audio Regens connected in series between my Apple Mac Mini and Benchmark DAC2, with both powered by a Chinese linear PSU.

I was lucky to get one of the last

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Roller-type Vibration Isolation Devices info for audio

by Daudio on 01-31-2016 at 05:45 PM
In this BLOG post I'd like to focus on only the roller type Vibration Isolation Devices (VID). I'm not a big fan of springs, cones, or squishy things, as I believe them to only really operate as filters, shifting vibration from frequency to frequency with little real attenuation. I think that the roller type devices are qualitatively different, true isolators rather then just filters. Note that this type of device will only islolate horizontal and radial vibrations.

I wanted to share

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The absolute sound idea is still relevant to audiophiles

by Daudio on 03-09-2015 at 07:25 PM
All,

Where did this 'absolute sound' thing come from ?

First off, I did not invent this stuff. My original understanding of the absolute sound comes from Harry Pearson and early issues of his magazine 'The Absolute Sound' As best as I can tell, he invented the concept, and the methodology of applying it to equipment and recording reviews.

The Absolute Sound was, and is:
the name of a magazine
an audacious claim;
the name of the reference

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