 Re: Receiver problem?
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Joined: Oct 2006
Posts: 139
veteran
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veteran
Joined: Oct 2006
Posts: 139 |
Receivers have preamps built in,when using headphones it's this preamp which drives them. The main power amp is simple not used / bypast.
Those who have long enjoyed such privileges as we enjoy forget in time that men died to win them.
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Re: Receiver problem?
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Joined: Jan 2002
Posts: 3,270
connoisseur
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connoisseur
Joined: Jan 2002
Posts: 3,270 |
lhulls,
No, the preamp section typically does not have enough gain to drive headphones. If you want to test that thesis, try connecting a pair of headphones to the main channel left and right pre-outs of an AV receiver. In most cases, you'll hear only a very weak signal. That is why the amplifier output is used, much attenuated.
Regards,
Alan Lofft,
Axiom Resident Expert (Retired)
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Re: Receiver problem?
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Joined: Jan 2004
Posts: 13,840 Likes: 13
shareholder in the making
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shareholder in the making
Joined: Jan 2004
Posts: 13,840 Likes: 13 |
Ihulls, I believe you are incorrect. It has been many years since I messed around with headphones, but I'm pretty sure they are not getting their gain from the preouts. It is the amplifier within the receiver that drives the headphones as John mentioned. oooops, I see Alan already commented as well. Looks like the votes are in. 
Last edited by sirquack; 06/19/09 11:57 AM.
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Re: Receiver problem?
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Joined: Oct 2006
Posts: 139
veteran
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veteran
Joined: Oct 2006
Posts: 139 |
I stand corrected.
Regards
Those who have long enjoyed such privileges as we enjoy forget in time that men died to win them.
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Re: Receiver problem?
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Joined: Dec 2006
Posts: 3,569
connoisseur
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OP
connoisseur
Joined: Dec 2006
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Well I dug up a spare piece of coax and tested the FM. Turns out It’s stopped doing it again on all inputs. Both good and bad since I would like to narrow down what’s going on. Well I’ll probably be buying equipment sooner than later now, as I’m finally getting moving on things.
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Re: Receiver problem?
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Joined: May 2002
Posts: 10,654
shareholder in the making
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shareholder in the making
Joined: May 2002
Posts: 10,654 |
See Dean, I told ya. Trying the FM fixed everything! Just kidding, of course, these things come and go when some part is weakening.
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