Miata Mailing List: April 1993, Message #19
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   From: (none)
Subject: Re: headrest spkrs & stereo balance
   Date: (none)

Guy Hillyer writes:

> I've got the headrest speakers and stock stereo in my '93 miata,
> installed by the dealer after I bought the car.  They sound OK; it's a
> big improvement, but in an effort to verify that they are wired
> properly, I discovered that the balance control has no apparent effect
> on them.  Is this by design?  I can imagine that it might be.

The Miata owner's manual says that the balance control on the stock stereos
*doesn't* affect the headrest speakers.  I imagine that an after-market
stereo would most likely adjust balance on both mains & headrests.

Along these lines, I'm assuming that one would use the front-rear fader knob 
on another stereo to adjust the main-to-headrest balance.  Any problem here
with overdriving those itty-bitty headrest speakers?  Seems the stock unit
drives them much less than the mains.

Russ Croman
(soon to be...)
Design Engineer
Crystal Semiconductor
Austin, TX