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Old 7th May 2011, 12:38 PM   #131
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The non-buffered version simply does not come with the buffers. The BAL/SE output in that case can come straight out of the BAL/SE converter. The circuit has jumpers you install when not using the buffers that close the feedback loop. I am working on the manual right now. It will be clarified in there.

You could add buffers later if you like, but I would actually recommend always using them from the start unless you have some good reason not to.
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Old 7th May 2011, 12:39 PM   #132
Spev is offline Spev  United Kingdom
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Thanks Russ, ordered.

Last edited by Spev; 7th May 2011 at 12:45 PM.
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Old 8th May 2011, 09:12 AM   #133
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Is there /will there be/ a schematic of the buffered and non buffered Legato 3.1?



/S

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Originally Posted by Russ White View Post
The non-buffered version simply does not come with the buffers. The BAL/SE output in that case can come straight out of the BAL/SE converter. The circuit has jumpers you install when not using the buffers that close the feedback loop. I am working on the manual right now. It will be clarified in there.

You could add buffers later if you like, but I would actually recommend always using them from the start unless you have some good reason not to.
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Old 8th May 2011, 12:56 PM   #134
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The schematics will be in the manual which is nearly complete.
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Old 9th May 2011, 05:32 PM   #135
sbelyo is offline sbelyo  United States
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I just ordered... Now all I need is the new placid bp HD and a transformer.

Thanks Russ and Brian for putting all of this stuff together. I can't wait to hear what it sounds like. I have a buffalo 24 module v 1.2 that's been sitting around for two years that I had all but forgotten.

Now, if I could just finish assembling my transport I'll be all set
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Old 11th May 2011, 08:29 AM   #136
tjencks is offline tjencks  United States
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Any word on when then next round of legato 3.1 boards will be in stock. I have a Legato 2 never used unless there is a way to use one legato 2 dual mono but have not been able to find such a config.

Regards,
Theo
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Old 11th May 2011, 11:07 AM   #137
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Buffallo Dual Mono 1 Legato

We are just waiting for more boards to arrive, so a couple weeks.
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Old 12th May 2011, 02:41 AM   #138
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Ok folks, I almost have the manual done, but here is the schematic for you to look at in the mean time.

Cheers!
Russ
Attached Files
File Type: pdf Legato_3_1_schematic.pdf (67.6 KB, 304 views)
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Last edited by Russ White; 12th May 2011 at 02:49 AM.
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Old 12th May 2011, 06:18 AM   #139
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Quote:
Originally Posted by Russ White View Post
Ok folks, I almost have the manual done, but here is the schematic for you to look at in the mean time.

Cheers!
Russ

Russ,

Is that a Zobel network on the output of the buffer? - If so presumably that is to eliminate any possibility of instability when driving a capacitive load?

Regards

Martin
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Old 12th May 2011, 12:17 PM   #140
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Yes, it is fully optional depending on what you are driving.

Edit: Correction (after reading & thinking)... not a zobel, but for added stability in driving capacitive loads.
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Last edited by BrianDonegan; 12th May 2011 at 01:07 PM.
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