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uk.rec.audio (General Audio and Hi-Fi) (uk.rec.audio) Discussion and exchange of hi-fi audio equipment.

Can I add a headphone socket outlet ?



 
 
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  #1 (permalink)  
Old September 26th 03, 03:55 PM posted to uk.rec.audio
Paul
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Posts: 10
Default Can I add a headphone socket outlet ?

Just been cleaning my Cyrus 1 internals of dust & noticed a 3 pin connector
marked "Headphone" ( 0v , L , R ) . As my version doesn't have a headphone
output socket can I add one by getting an electronics shop to solder it
onto the circuit board ?
Thanks for any replies.


  #2 (permalink)  
Old September 26th 03, 04:15 PM posted to uk.rec.audio
Don Pearce
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Posts: 67
Default Can I add a headphone socket outlet ?

On Fri, 26 Sep 2003 15:55:49 GMT, "Paul"
wrote:

Just been cleaning my Cyrus 1 internals of dust & noticed a 3 pin connector
marked "Headphone" ( 0v , L , R ) . As my version doesn't have a headphone
output socket can I add one by getting an electronics shop to solder it
onto the circuit board ?
Thanks for any replies.


There will in all probability also be a couple of resistors you need
to fit, feeding each of the channels. A couple of hundred ohms is
normal. Otherwise there is no reason why this shouldn't work (other
than needing to drill a suitable hole, of course!)

d

_____________________________

http://www.pearce.uk.com
  #3 (permalink)  
Old September 26th 03, 04:15 PM posted to uk.rec.audio
Don Pearce
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Posts: 67
Default Can I add a headphone socket outlet ?

On Fri, 26 Sep 2003 15:55:49 GMT, "Paul"
wrote:

Just been cleaning my Cyrus 1 internals of dust & noticed a 3 pin connector
marked "Headphone" ( 0v , L , R ) . As my version doesn't have a headphone
output socket can I add one by getting an electronics shop to solder it
onto the circuit board ?
Thanks for any replies.


There will in all probability also be a couple of resistors you need
to fit, feeding each of the channels. A couple of hundred ohms is
normal. Otherwise there is no reason why this shouldn't work (other
than needing to drill a suitable hole, of course!)

d

_____________________________

http://www.pearce.uk.com
  #6 (permalink)  
Old September 27th 03, 01:05 PM posted to uk.rec.audio
Don Pearce
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Posts: 67
Default Can I add a headphone socket outlet ?

On Sat, 27 Sep 2003 13:54:25 +0100, "Stimpy"
wrote:

In article , Don Pearce
wrote:
On Fri, 26 Sep 2003 15:55:49 GMT, "Paul"
wrote:

Just been cleaning my Cyrus 1 internals of dust & noticed a 3 pin
connector marked "Headphone" ( 0v , L , R ) . As my version doesn't
have a headphone output socket can I add one by getting an
electronics shop to solder it onto the circuit board ?
Thanks for any replies.


There will in all probability also be a couple of resistors you need
to fit, feeding each of the channels. A couple of hundred ohms is
normal. Otherwise there is no reason why this shouldn't work (other
than needing to drill a suitable hole, of course!)


My mk1 Cyrus 2 has a headphone socket on the 'backplate' under the DC
PSX input and next to the tape out sockets - this appears to be
connected to the same connector you describe. Oddly enough, it
doesn't mute the speakers when used so it's always struck me as a bit
pointless!


I've never really liked switching headphone jacks on decent amps. The
contacts are exposed and don't wipe, so they eventually go pretty
noisy and can even lose contact altogether. Far better to put a nice
heavy duty switch in the speaker lead near the amp.

d

_____________________________

http://www.pearce.uk.com
  #7 (permalink)  
Old September 27th 03, 01:05 PM posted to uk.rec.audio
Don Pearce
external usenet poster
 
Posts: 67
Default Can I add a headphone socket outlet ?

On Sat, 27 Sep 2003 13:54:25 +0100, "Stimpy"
wrote:

In article , Don Pearce
wrote:
On Fri, 26 Sep 2003 15:55:49 GMT, "Paul"
wrote:

Just been cleaning my Cyrus 1 internals of dust & noticed a 3 pin
connector marked "Headphone" ( 0v , L , R ) . As my version doesn't
have a headphone output socket can I add one by getting an
electronics shop to solder it onto the circuit board ?
Thanks for any replies.


There will in all probability also be a couple of resistors you need
to fit, feeding each of the channels. A couple of hundred ohms is
normal. Otherwise there is no reason why this shouldn't work (other
than needing to drill a suitable hole, of course!)


My mk1 Cyrus 2 has a headphone socket on the 'backplate' under the DC
PSX input and next to the tape out sockets - this appears to be
connected to the same connector you describe. Oddly enough, it
doesn't mute the speakers when used so it's always struck me as a bit
pointless!


I've never really liked switching headphone jacks on decent amps. The
contacts are exposed and don't wipe, so they eventually go pretty
noisy and can even lose contact altogether. Far better to put a nice
heavy duty switch in the speaker lead near the amp.

d

_____________________________

http://www.pearce.uk.com
  #8 (permalink)  
Old September 27th 03, 08:32 PM posted to uk.rec.audio
Stimpy
external usenet poster
 
Posts: 383
Default Can I add a headphone socket outlet ?


"Don Pearce" wrote in message
...
On Sat, 27 Sep 2003 13:54:25 +0100, "Stimpy"

wrote:

My mk1 Cyrus 2 has a headphone socket on the 'backplate' under the

DC
PSX input and next to the tape out sockets - this appears to be
connected to the same connector you describe. Oddly enough, it
doesn't mute the speakers when used so it's always struck me as a

bit
pointless!


I've never really liked switching headphone jacks on decent amps.

The
contacts are exposed and don't wipe, so they eventually go pretty
noisy and can even lose contact altogether. Far better to put a nice
heavy duty switch in the speaker lead near the amp.


Yeah, for a while I used a QED 'Headphone Controller' between the jack
and the phones. Basically just a big switch :-)


  #9 (permalink)  
Old September 27th 03, 08:32 PM posted to uk.rec.audio
Stimpy
external usenet poster
 
Posts: 383
Default Can I add a headphone socket outlet ?


"Don Pearce" wrote in message
...
On Sat, 27 Sep 2003 13:54:25 +0100, "Stimpy"

wrote:

My mk1 Cyrus 2 has a headphone socket on the 'backplate' under the

DC
PSX input and next to the tape out sockets - this appears to be
connected to the same connector you describe. Oddly enough, it
doesn't mute the speakers when used so it's always struck me as a

bit
pointless!


I've never really liked switching headphone jacks on decent amps.

The
contacts are exposed and don't wipe, so they eventually go pretty
noisy and can even lose contact altogether. Far better to put a nice
heavy duty switch in the speaker lead near the amp.


Yeah, for a while I used a QED 'Headphone Controller' between the jack
and the phones. Basically just a big switch :-)


  #10 (permalink)  
Old September 28th 03, 09:04 AM posted to uk.rec.audio
struan
external usenet poster
 
Posts: 13
Default Can I add a headphone socket outlet ?


"Don Pearce" wrote in message
...
On Sat, 27 Sep 2003 13:54:25 +0100, "Stimpy"
wrote:

In article , Don Pearce
wrote:
On Fri, 26 Sep 2003 15:55:49 GMT, "Paul"
wrote:

Just been cleaning my Cyrus 1 internals of dust & noticed a 3 pin
connector marked "Headphone" ( 0v , L , R ) . As my version doesn't
have a headphone output socket can I add one by getting an
electronics shop to solder it onto the circuit board ?
Thanks for any replies.


There will in all probability also be a couple of resistors you need
to fit, feeding each of the channels. A couple of hundred ohms is
normal. Otherwise there is no reason why this shouldn't work (other
than needing to drill a suitable hole, of course!)


My mk1 Cyrus 2 has a headphone socket on the 'backplate' under the DC
PSX input and next to the tape out sockets - this appears to be
connected to the same connector you describe. Oddly enough, it
doesn't mute the speakers when used so it's always struck me as a bit
pointless!


I've never really liked switching headphone jacks on decent amps. The
contacts are exposed and don't wipe, so they eventually go pretty
noisy and can even lose contact altogether. Far better to put a nice
heavy duty switch in the speaker lead near the amp.


I'm looking to get one of those - you mean something like order code AV01571
from CPC?

How does this unit compare with the QED model? The first ad I saw for this
model listed the price as £54.95 inc. VAT & delivery, compared to £23.65 ex.
VAT for the one form CPC.

TIA.


d

_____________________________

http://www.pearce.uk.com


 




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