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6th May 2005, 10:35 AM
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#1 |
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diyAudio Member
Join Date: May 2005
Location: H.K.
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Power Tx core should ground?
Dear brothers here:
The Power Transformer iron core for a tube power-amp should connect to signal ground or earth ground or leave it open? Which is better? Why? Thanks for reply in advance! Tray |
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6th May 2005, 11:01 AM
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#2 |
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diyAudio Moderator Emeritus
Join Date: Jan 2003
Location: Near London. UK
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Bond it to the chassis (which should be bonded to mains earth). This will improve safety and may reduce RFI. Signal earth is a different thing and should be bonded to chassis at the input of the most sensitive stage in the system (usually the phono stage).
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The loudspeaker: The only commercial Hi-Fi item where a disproportionate part of the budget isn't spent on the box. And the one where it would make a difference... |
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9th May 2005, 10:01 AM
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#4 |
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diyAudio Moderator Emeritus
Join Date: Jan 2003
Location: Near London. UK
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Your CD player is probably double insulated (two-core mains lead), so I'd earth at the input of the pre-amplifier.
__________________
The loudspeaker: The only commercial Hi-Fi item where a disproportionate part of the budget isn't spent on the box. And the one where it would make a difference... |
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