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Old 28th October 2013, 10:30 PM   #21
tinitus is offline tinitus  Europe
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Quote:
Originally Posted by pooge View Post
There is no "signal ground" in a balanced system.

but if you use connectors for the simple SE to balanced convertion there will be a signal ground connected, no ?

he stricly said he would not consider trafos due to budget

that said ...
RCA connectors are always isolated from chassis, and for a good reason, right ?
and besides, XLR also happens to have a 4th 'pin' for chassis connection, and also for a good reason, right ?
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Old 30th October 2013, 12:46 AM   #22
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Quote:
Originally Posted by tinitus View Post
but if you use connectors for the simple SE to balanced convertion there will be a signal ground connected, no ?
The Hot connects to the '+' input
The Return/Shield connects to the '-' input.

Quote:
that said ...
RCA connectors are always isolated from chassis, and for a good reason, right ?
While we still have a large number of retro members. The RCA shell/shield does connect to the chassis.
It took 20 years to get the XLR thing correct, it will take another for the RCA connector.

Quote:
and besides, XLR also happens to have a 4th 'pin' for chassis connection, and also for a good reason, right ?
Well No.
The XLR connector tab/shell is no longer connected in balanced cables. (although it may be connected in chassis connectors)

It's all about what is called the pin #1 problem (even if the connector is numbered differently)

Jim Brown discusses the problem in several papers.

Audio Systems Group, Inc. Publications
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Old 30th October 2013, 01:10 AM   #23
benb is offline benb  United States
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