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albertob  
#1 Posted : Sunday, November 13, 2011 5:11:46 AM(UTC)
albertob

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Hi Brian / Russ
I have ridden a BII with an output stage Legato v3. It sounds fantastic!

I'm thinking add a valve output stage. Something like "Minimax Plus DAC." I think this dac does change through relays.

Please, I have a couple of questions:

- What is the disadvantage of introducing a relay (TQ2-5V) between the DAC output and input of the output stage?
- Is it better to use switches instead of relays? If the damage is the same, I prefer to use relays because the distance the signal cable would be shorter.

Probably best not to do this but I want to know what will happen if I do.

Thanks!

Al
albertob  
#2 Posted : Monday, November 21, 2011 4:45:31 PM(UTC)
albertob

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Any response?.
Russ White  
#3 Posted : Monday, November 21, 2011 9:31:59 PM(UTC)
Russ White

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I can't see a good way to do it with either relays or switches without serious compromises. You will just have a very long route from DAC to output stage, and that is not a recipe for success. :)

The best idea is to listen to one output stage at a time. :)
albertob  
#4 Posted : Tuesday, November 22, 2011 1:23:31 AM(UTC)
albertob

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Thanks for your response Russ.

I suppose to do, the less drastic way is to use the relay. The signal path to the legato stage would be 6 cm. and even the stage of tube 15 cm.

A relay with a diode can damage the chip dac for a rebound?
albertob  
#5 Posted : Thursday, November 24, 2011 7:55:52 AM(UTC)
albertob

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the problem is in the relay or the length of the signal path?

Regards
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