Factory amplifier?
4 posters
Factory amplifier?
So I recently got my hands on a factory stereo 76 Malibu, and I had a friend tell me that if it is indeed a factory stereo car (build sheet indicates that it is) that there would be a heatsink looking thing somewhere behind the radio under the dash. Has anyone seen anything like this? I can't see anything. I do however see that there are two speakers instead of one up top
a-body- G3GM Member
- Street Cred : 0
Re: Factory amplifier?
Those heat sink looking things are technically called a convector...and, were located behind the glove box. Had something to do with pulling in the FM stereo signal IIRC. I've pulled several of them...one, I remember, was out of a '76 Laguna. Still have a radio setup from a '77 Grand Prix with one. However, not all factory radios had them. I believe they were installed on the AM/FM Stereo radios...not, std. AM/FM radios. There would be a six-wire harness from your radio that would connect to the convector.
My '77 Monte came with AM/FM/8-track Stereo, but I've never removed the radio, glove box or dash components to see if it has the convector.
The dual front speaker had nothing to do with it, though. That was simply an option.
Mcarlo77- Donating Member
- Street Cred : 77
Re: Factory amplifier?
It is part of the amp circuit. Those are the output transistors to drive the speakers. Mounted away from the radio for heat & space. I think it only came on stereo radios as well.
73ss- G3GM Enthusiast
- Street Cred : 11
Re: Factory amplifier?
The '76 SS Elco I had, had that set up in it. Seemed kinda strange at the time, after seeing the usual radio packages in the G3 cars.
pila- Donating Member
- Street Cred : 43
Re: Factory amplifier?
Weather was fine here today (reached a record 57 degrees at our house) and so I fired up the Monte. While getting reacquainted due to it being in storage for 4 mos, I remembered this thread regarding the amplifier...or, convector. Out of curiosity, I pulled the ashtray and, with a flashlight, looked back behind the radio and could at least see the ribbon cable that ran to the convector. So, they were used at least thru '77.
I recently pulled an AM/FM/8-track stereo player from a '78 Delta 88 and it didn't have one, though.
I recently pulled an AM/FM/8-track stereo player from a '78 Delta 88 and it didn't have one, though.
Mcarlo77- Donating Member
- Street Cred : 77
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