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Old 15th February 2011, 09:43 PM   #1
Sandor is offline Sandor  Italy
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Location: Milan
Default Pass amplifier for my Magneplanar MMG

I'd like to build a Pass amp to drive my Magneplanar MMGs at best.
Magnepan says that the amp should be able to provide high current into low loads (2 ohms?).
Input should be balanced. A balanced output would be welcome.
Any suggestion?
Regards.

Paul
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Old 15th February 2011, 10:12 PM   #2
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BA2
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Old 20th February 2011, 09:39 PM   #3
Sandor is offline Sandor  Italy
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Join Date: Mar 2004
Location: Milan
Thank you for your advice.
The BA2 looks very interesting.
Is the bride of zen a suitable preamplifier for the BA2?
Could you suggest other Pass preamplifiers with balanced input?
Regards.

Paul
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Old 20th February 2011, 10:02 PM   #4
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Bride of Son of Zen. I think there is a version using Jfets around.

Or you could always do a balanced B1.
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Old 27th February 2011, 10:07 AM   #5
Sandor is offline Sandor  Italy
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How does the circlotron amp performs at low loads (as low as 2 ohm) ?

Last edited by Sandor; 27th February 2011 at 10:09 AM.
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Old 27th February 2011, 08:09 PM   #6
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The circlotron by Michael Rothacher does not perform well into low impedance loads apparently.

However that does not mean you can't design one that performs well into low impedance loads.
I have been playing around with a few ideas for circlotrons, so it can be done. I will probably upload some of the ideas sooner or later.
I think Euvl might have a circlotron design that could do the job but I have not seen it.

Have a look around and see what you can find
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