Amps

 

New member
Username: Turbo91

Post Number: 1
Registered: Nov-10
hey,
i want to wire in my amp, to run only a woofer, but the only input it has uses RCA jacks..
i have just discovered that my stock head unit does not have RCA output..
i've noticed MANY questions about this but so many sometimes contradicting answers haha.
so can i simply 'tap' into my head unit speaker wire and slot in a RCA plug?
and have the speaker wire i tapped into still run to it's speaker?
or is that too much load on that channel?
will this work or is the 'level' of the output wrong for my amp?
i'd want to get it right and not blow anything (preferable).
cheers
 

Platinum Member
Username: Glasswolf

Post Number: 14076
Registered: Dec-03
you need a line out converter (LOC)
You can find one on ebay or amazon for $10 I'd suspect.
takes the speaker wires and converts them to line level voltage RCA lines.
These will work fine unless you have a system (stock) with amplified speakers, like a BOSE system, then you require a special adapter.
 

New member
Username: Turbo91

Post Number: 2
Registered: Nov-10
ok thanks GlassWolf,
it came with a Clarion as stock in around 1998 so its nothing fancy,
so can i tap into a speaker's wires and do this with the wires still going to that speaker?
 

New member
Username: Turbo91

Post Number: 3
Registered: Nov-10
ok i've had a look at some LOC's on ebay, do they vary in size or are they fairly arbitrary?
and is the third wire with the RCA outputs a remote power wire?
 

Platinum Member
Username: Glasswolf

Post Number: 14098
Registered: Dec-03
yeah typically the third wire is REM trigger.
yes you can still use speakers, the LOC goes in parallel, and just uses the speaker wires to get the signal, then steps teh voltage down to line level for the amplifier input stage.
just set the amplifier input gain properly to match the new line voltage at the RCA lines.
You can do this using a digital multimeter.
http://www.glasswolf.net/papers/dmmgain.html
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