Can I change receiver output to preamp? - diyAudio
Go Back   Home > Forums > Amplifiers > Chip Amps
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Chip Amps Amplifiers based on integrated circuits

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 27th September 2003, 04:00 AM   #1
sounder is offline sounder  Canada
diyAudio Member
Join Date: Sep 2003
Location: Toronto
Default Can I change receiver output to preamp?

I feed my CD player directly into my IGC but would like to use the tuner in my reciever and the video inputs. My GC has a source selection switch.

I seem to remember reading somewhere about reducing an amps output by placing high wattage resistors in line. I currently have the CDR out connected to the GC but it bypasses any remote volume adjustment; I have no pre-out. Also, what type of signal would I expect from a Yamaha amp feeding a GC. Seems like two steps forward, three steps back. Maybe there is something simple I can build...or can I tie into the Yamaha's preamp stage and make pre-out connections?

As midnight approaches, I start to entertain wilder ideas.
  Reply With Quote
Old 27th September 2003, 04:08 AM   #2
diyAudio Member
li_gangyi's Avatar
Join Date: Jun 2003
Location: Woodlands Circle
You should really try to tap the signal before the amp so as not to "taint" the sound...there should be one going before the power amp...perhaps on the selector switch or somewhere...can you give us a schematic...some high-end recievers have a little block behind that can be use to seperate the preamp from the amp...from there you can tap the signal...
Kids in the back seat cause accidents...Accidents in the back seat cause kids...
  Reply With Quote
Old 27th September 2003, 06:33 AM   #3
sam9 is offline sam9  United States
diyAudio Member
sam9's Avatar
Join Date: Jun 2002
Location: Left Coast
You are talking about padding the speaker level outputs down to line level, if I understand correctly. That's pretty drastic. A signal gets amplified by the reciever and next it gets attenuated back down to line level. I guess that's ok so long as the CD doesn't take this route. Most broadcast signals are poor enough that it may not matter. In general, I would expect that anything you routs to the GC via the speaker ouputs will sound worse than if you just stayed with the reciever.

How about making a switch box using a pair of 10Adc rated DPDT switches to select receiver vs. GC as the source for your speakers?
  Reply With Quote
Old 27th September 2003, 08:26 AM   #4
joensd is offline joensd  Germany
diyAudio Member
Join Date: Dec 2001
Location: Germany
Does your Yamaha have one (or even two) tape-outs.
You can always use those which I for example still do.
Then the Yamaha would be the source control and you link it via tape to the GC.
CD can still directly go to your GC.
Maybe you consider this also a step back but its definitely better than using the speaker outputs for line signal.

  Reply With Quote


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Tube Preamp Popping on Source Input Change (?) / 6DJ8 Preamp On Chip Amps Travis Clarke Tubes / Valves 3 16th October 2008 04:52 AM
One faulty output TR,change all 4? Aidan135711 Solid State 27 5th September 2008 08:25 PM
Can An Output Transformer Change A Voltage Amp's Output Impedance From 0.1 To 47 Ohms kelticwizard Everything Else 11 25th March 2007 05:17 AM
preamp tubes change mongiak Tubes / Valves 3 19th August 2005 05:44 PM
XLr balanced input/output. How do I change...? Lito Multi-Way 2 20th June 2003 12:45 AM

New To Site? Need Help?

All times are GMT. The time now is 11:46 PM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2