PolarBehr
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This question may have been answered previously, but did @Jason Stoddard say why they only did a single balanced input on the Vidar, for mono/bridged output mode only (and not have stereo balanced inputs)?
Is it just sort of inherent to the Vidar design that it couldn't support dual balanced input?
Based on my memory of what Jason has said about the Vidar and the Jotunhiem designs:
Vidar is an evolution of the Jason's new pivot point amp design that first appeared in the Jot. This design allows the flexible use of the two sides of the ballanced amplifier to be used indepentaly single ended. Vidar is a true ballanced amp (when using the ballanced input) and does not convert the ballanced input into a single ended signal to be amplified by a single ended amplifier stage.
At this point I'm moving into my speculation and interpretation, Vidar has only one ballanced input so that you can use the two sides together as the true ballanced (mono) amp and the two single ended inputs so you can choose to use the two amplifier sides independently for a stereo amp. The Vidar does not have 4 sides to do two ballanced inputs. At a $700 price point you only get 2 quality sides. In you want 4 buy two Vidar's.
If you are looking for the typical stereo amp with ballanced inputs that converts the ballanced signal into a single ended signal for the amp stage you can get (from the pro audio market such as Radial Engineering or other places) boxes that will do the ballanced to single ended conversion and place them at the amp.
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