Design for a small tube/valve mixer
Ian Thompson-Bell wrote:
Eeyore wrote:
Ian Thompson-Bell wrote:
Eeyore wrote:
Most inserts are unbalanced these days.
Bloody hell.
Not on very high end studio-only gear like Neve but almost everywhere else.
OTOH you can make a balanced
insert using an LME49720 op-amp for a few dollars that will be as audibly
transparent as is possible.
Balanced but not floating I guess?
Define what you mean by floating ?
Yes, it means galvanically isolated. Floating was the common term used
at Neve in my day.
It's not explicitly used to mean that any more. Today it means it'll tolerate
some common-mode voltage.
Transformers are the work of the devil you see. They must be avoided at all
costs. Plus they cost a vast amount for decent ones.
Graham
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