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In the Forum: Analog Playback
In the Thread: The need for a balanced buffer stage
Post Subject: Future proofingPosted by noviygera on: 11/28/2018
Paul,
My current active crossover is a DSP unit which likely has low enough input impedance and single ended inputs. I added BAL inputs by using input transformers. By no means do I want to use this combination as a representation of my crossover! I intend to replace this DSP unit with either analogue active crossover such as Pass Labs B4 or ultimately convert to all passive line-level crossover as Romy uses. So with that in mind, I am looking for a solution that will be: 1. an attenuator 2. have the power to properly drive 35' of interconnect 3. drive a passive line level crossover that is 35' away.

Still, my sketch holds true and represents the general layout now and in the near future.

This buffer stage will be my first step in moving towards a system that is free of DSP processor and also future proof enough to accommodate the above listed goals down the road.

It may be an active Placette, as Romy uses, or perhaps it is a better idea to have balanced outputs with those 35' in interconnects. That is the point of my post here. Should this buffer have SE outputs or have BAL outputs...
Gera  

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