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Question Advice on Retro + Buffalo III - How do I add a Retro stage to my current Buffalo IIIse system?
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fernfrost  
#1 Posted : Wednesday, February 10, 2016 10:06:49 PM(UTC)
fernfrost

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I need advice on how to add a record player / retro stage to my setup.

Current setup:

I use the Buffalo IIIse as a fully digital amplifier.

Computer -> Buffalo IIIse -> IcePower amps -> Speakers

So i now need the following features:

1. Manual and/or digital source selection (Usb or LP)
2. LP volume control (preferably digitally)
3. Balanced output to amps

My idea is to add the source selector just before IcePower amps.

Computer -> Buffalo IIIse -> Source Selector -> IcePower amps -> Speakers
Record Player -> Volume Control ->

Questions:

1. How could I digitally control the volume on the Retro stage?
2. Whats the best option for a source selector?
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Russ White  
#2 Posted : Tuesday, February 16, 2016 3:34:35 PM(UTC)
Russ White

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Hmm good questions...

You could use a Joshua Tree attenuation at the output from a 2:1 switch - but I am not sure what I would use for a switch.
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fernfrost  
#3 Posted : Wednesday, February 17, 2016 10:45:37 AM(UTC)
fernfrost

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Thanks for the input

I had the same idea to use Jushua Tree for attenuation. It would be preferable to have one common volume control stage for all sources. Any performance difference in using the Buffalo III onboard digital attenuation or the Joshua Tree?

Could the alps pot on the Volumite be switched for a motorized one? Does it have to be a 5k?
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Russ White  
#4 Posted : Thursday, February 18, 2016 3:46:11 PM(UTC)
Russ White

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Performance wise the two solutions (digital attenuation vs analog) will be very close.

You can definitely use a motorized pot - but you will want a linear one if you can find it - between 2K and 10K should work. Possibly even 20K, but I have never tried it.
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fernfrost on 2/18/2016(UTC)
fernfrost  
#5 Posted : Thursday, February 18, 2016 3:50:39 PM(UTC)
fernfrost

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Thanks

Looking forward to a new build:)
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