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Author Topic: Terrific audio out for computer DI - Blackdog audio  (Read 9748 times)

Pete Erskine

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Terrific audio out for computer DI - Blackdog audio
« on: January 27, 2013, 03:01:59 PM »

This is a very simple Stereo Audio out box for Mac/Windows/Lunix USB audio out.  It uses native drivers in all flavors of OS, has a ground lift switch and mono/Stereo switch and is powered from the USB.  It is made by Mark Fiore.  He tells me that a 2X2 version with 2 audio inputs is coming mid year.

Input: USB "B" connector (1.5' USB cable included)
Output: 10k ohm balanced XLR outputs :: Pin 2 + :: Pin 3 - :: Pin 1 GND (switchable)
Freq Response: 20 - 20Khz
THD @1Khz: .001
Dimensions: 3.375"W x 3.375"D X 1.5"H (85mm x 85mm x 39mm)

http://www.blackdogaudio.net/
« Last Edit: January 27, 2013, 03:14:20 PM by Pete Erskine »
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Pete Erskine
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Jordan Wolf

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Re: Terrific audio out for computer DI - Blackdog audio
« Reply #1 on: January 27, 2013, 03:10:09 PM »

Pete,

Did you ever try the Peavey USB-P?  It has been recommended on here before.

Still, it's a nice piece you tout - I may look into one for the future…
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Pete Erskine

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Re: Terrific audio out for computer DI - Blackdog audio
« Reply #2 on: January 27, 2013, 03:31:17 PM »

Did you ever try the Peavey USB-P?  It has been recommended on here before.

Does look nice too.  It is permanent ground lift whereas the Black dog has a switch but i am sure doesn't make a difference to line level audio.
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Pete Erskine
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Jordan Wolf

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Re: Terrific audio out for computer DI - Blackdog audio
« Reply #3 on: January 27, 2013, 03:54:32 PM »

Does look nice too.  It is permanent ground lift whereas the Black dog has a switch but i am sure doesn't make a difference to line level audio.
Yeah, that was the main difference I noticed between the two units, too.

I wonder what transformer was utilized?  Lundhal, Jensen, "custom", etc.?
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Jordan Wolf
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Pete Erskine

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Re: Terrific audio out for computer DI - Blackdog audio
« Reply #4 on: January 27, 2013, 05:24:56 PM »

I wonder what transformer was utilized? 

They aren't labeled but are substantial.
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Geoff Doane

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Re: Terrific audio out for computer DI - Blackdog audio
« Reply #5 on: January 27, 2013, 05:29:25 PM »

Input: USB "B" connector (1.5' USB cable included)
Output: 10k ohm balanced XLR outputs :: Pin 2 + :: Pin 3 - :: Pin 1 GND (switchable)
Freq Response: 20 - 20Khz
THD @1Khz: .001
Dimensions: 3.375"W x 3.375"D X 1.5"H (85mm x 85mm x 39mm)

Is it really a 10KΩ output?  That's awfully high if you plan to run any length of cable.  Seems like a DI-type transformer at the output to drop it down to 150Ω would be a good idea.  It wouldn't be line level any longer, but it shouldn't be a problem to get 15 dB or so of gain back in most consoles.

Still, it looks like they've worked out most of the other requirements.

GTD
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Mac Kerr

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Re: Terrific audio out for computer DI - Blackdog audio
« Reply #6 on: January 27, 2013, 06:59:58 PM »

They aren't labeled but are substantial.

It is a custom wound Edcor.

Mac
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Keith Broughton

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Re: Terrific audio out for computer DI - Blackdog audio
« Reply #7 on: January 28, 2013, 08:13:52 AM »

At $150, the price is nice.
Would be interesting to do a comparison with the Peavey.
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Andrew Broughton

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Terrific audio out for computer DI - Blackdog audio
« Reply #8 on: January 30, 2013, 03:22:32 PM »

Is it really a 10KΩ output?  That's awfully high if you plan to run any length of cable.  Seems like a DI-type transformer at the output to drop it down to 150Ω would be a good idea.  It wouldn't be line level any longer, but it shouldn't be a problem to get 15 dB or so of gain back in most consoles.

Still, it looks like they've worked out most of the other requirements.

GTD
It's a typo. Output impedance is spec'd at 150 ohms. i contacted the company and i think they will be updating the web site accordingly.
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Chris Johnson [UK]

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Re: Terrific audio out for computer DI - Blackdog audio
« Reply #9 on: January 31, 2013, 07:53:08 AM »

Much like ARX USB-DIs which I use regularly. Switchable earth lift, fully balanced outputs. Available at fixed line level, or with analog volume control. There is also a 2x2 available
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Riedel Communications

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Re: Terrific audio out for computer DI - Blackdog audio
« Reply #9 on: January 31, 2013, 07:53:08 AM »


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