Would this arrangement cause any problems? Car radio/cassette player and a separate CD player feeding into the same set of speakers. Both units are power up when the ignition is on but only one playing at any one time.
Reason I ask is this arrangment has been working OK for about 6 mths but recently playing a tape and the CD player let out the magic smoke.
Reason I ask is this arrangment has been working OK for about 6 mths but recently playing a tape and the CD player let out the magic smoke.
I once tried to bridge both channels of a stereo amp by soldering their outputs together. They died before I could even connect a source. I would definately use a line level connect from one component to the main component, or use a buffer amp.
Just guessing, there may have been a tiny DC offset between the channels, but with almost zero resistance between them, they would have passed current until they passed out.
Just guessing, there may have been a tiny DC offset between the channels, but with almost zero resistance between them, they would have passed current until they passed out.
/sreten.
You can use relays to switch between sources. If you use common Bosch relays, you will need to use 1 relay per speaker wire.
Pin 30 - speaker terminal
Pin 87a - the default source unit
Pin 87 - the alternate source unit
85/86 switched power/ground to the relays. You may be able to use the remote turn on of the alternate source to switch the relays but 4 relay coils may burn out the remote driver transistor. You could switch the relays with a toggle switch or use a 5th relay to buffer the remote output of the alternate source.
Pin 30 - speaker terminal
Pin 87a - the default source unit
Pin 87 - the alternate source unit
85/86 switched power/ground to the relays. You may be able to use the remote turn on of the alternate source to switch the relays but 4 relay coils may burn out the remote driver transistor. You could switch the relays with a toggle switch or use a 5th relay to buffer the remote output of the alternate source.
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.