Alpine 7273
The round connectors are pre outs that go to amplifiers. That is way most companies did it back then. I would say that radio is more like 25 years old, maybe in the '83 to '86 range. That is definately upper line with full logic and both dolby b/c.
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I can't find my old Alpine tech books that have the pinouts in it but you might check http://elsegra.com/Car%20pinouts/ALPINE.htm to see if something may help.
That radio has built in power so you don't have to use an amp. The 16w+16w on the front is the built in power rating
That radio has built in power so you don't have to use an amp. The 16w+16w on the front is the built in power rating
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