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Old 15th August 2013, 01:58 PM   #1
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Join Date: Oct 2012
Location: South Florida
Default Tortuga Audio LDR3B Balanced Passive Preamp (with remote!)

The end is in sight for the development and release of our LDR3B Balanced Passive Preamp.

We've settled on a final configuration of 2 balanced inputs/outputs plus 1 unbalanced input/output. The unbalanced input is upverted (new word!) to balanced via transformers and attenuated similar to the other 2 balanced inputs. Similarly, the output signal is downverted to an unbalanced output for the 1 unbalanced RCA output, also via transformers.

There will be follow-on variations on this design including a fully unbalanced 3 input/2 output version that will replace our original LDR1/6 line of passive preamps.


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Last edited by CaptainWatt; 15th August 2013 at 01:59 PM. Reason: correct title
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