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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Re: Bus grounding in a stereo amplifier: OK to separate channels? posted by Ray Moth on February 24, 2007 at 13:40:54:
are there is only one chassis ground. The two busses should connect only at one point and the input jacks should be insulated from ground with nylon washers or rubber grommets. If it's a stereo amp with one power supply, the 14 gauge ground buss can be in the shape of a "Y". The two legs for the two amps and the single leg for the power supply with a chassis ground lug bolt(No.8-10 bolt) at the junction of the three legs. All ground leads, the buss, the CT of power transformer, the filter cap grounds all come here. It's called a "star ground". This way the chassis is now a shield and not a conductor of ground currents. Ray
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Follow Ups
- No problem, as long..... - grhughes 03:37:46 02/25/07 (1)
- Re: No problem, as long..... - LowRedMoon 09:28:53 02/25/07 (0)
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