Was installed stock into these cars factory OEM. 1973 1974 GM Cars lear jet automatic radio 8 track radio. This is a working unit. This unit is labled CPE 3714 on the back but I believe has much in common with many other models.
CPE-3714 (73 Chevelle, Laguna, Malibu, SS, El Camino, Monte Carlo). CEP-4735 (74 Century, Luxus, Regal, GS-455, Stage I). CCP-4732 (74 Caprice Classic convertible). CHP-4710 (74 Caprice Classic convertible, Impala, Belair).CPP-3710 (73 Caprice Classic convertible, Impala, Belair). CSP-4726 (74 Oldsmobile Cutlass, Supreme, 442). CVP-4714 (74 Chevelle, Laguna, SS, El Camino, Malibu). FPE-3726 (73 Cutlass, Supreme, 442). FPP-3704, FEP-3514 (73 Ford Galaxie, Custom 500, LTD). FOP-4704 (74 Galaxie, Custom 500, LTD); GPP-4733 (74 Pontiac Grand Prix). GPP-3733 (73 Grand Prix); LMP-4737 (74 Lemans, GTO). IPP-3732 (73 Caprice Classic convertible, Impala, Belair).
MEP-4716 (74 Mercury Marquis, Monterey). MPT-3716 (73 Mercury Marquis, Monterey).OLP-4702 (74 Olds 98, 88 convertible). OPE-3702 (73 Olds 98, 88 convertible). POP-4708 (74 Bonneville, Catalina, Grandville convertible). PPC-3708 (73 Bonneville, Catalina, Grandville convertible).
SPK-3735 (73 Century, Luxus, Regal). TPR-3724 (73 Torino, Ranchero, Cyclone, Montego).
TRP-4724 (74 Torino, Ranchero, Cyclone, Montego). Automatic model and was installed in a 1973 Chevelle.
This same unit was also installed in various other car models with different model numbers stamped on it. You can see the list of 1973 and 1974 cars. Remanufactured = tested to work.
Here's a video of all the modes working properly on the bench. Opened up to see it working. Vintage LEAR JET Stereo Deluxe 8 Track Player In Dash Car Auto Truck. Country/Region of Manufacture: United States. Bill Lear and his team invented the 8-Track.
The Return of Bill Lear and the invention of 8-Track. And then, something unexpected happened. Bill Lear (yes, he who designed the Motorola car radio) was looking for an in-cabin sound system to play pre-recorded music in his new Learjet.
Lear and a team of engineers working with him examined the Muntz Stereo-Pak cartridge and determined that it could be redesigned to reduce the number of parts, making it cheaper to manufacture. In addition, Lear took advantage of the fact that the cassette format recently developed by Philips was fitting four tracks (two stereo recordings) onto skinny, eighth-inch tape, and thus he had his engineers squeeze eight tracks (four stereo recordings) onto quarter-inch tape. You cant rewind 4-track or 8-track tape cartridges; you simply let them play.
While this worked fine for short broadcast carts whose content was 15, 30, or 60 seconds, it was a bit onerous for consumers who might want to re-listed to a specific song. So an advantage of Lears redesigned cartridge was that it let the listener select instantly between four stereo tracks. In addition, a magnetic splice that could be sensed by the tape head allowed the tape player to automatically increment to the next track when the splice passed the tape head. With these changes, Bill Lear and his team invented the 8-Track (with a capital T).
Lear Jet - Stereo 8. But perhaps more important than the specific changes to the tape, Lear did something Muntz didnthe formed a consortium.Ford led the pack; the 1966 Mustang was the first car with a factory in-dash 8-Track player. The first factory in-dash 8-Track player, installed in a 1966 Ford Mustang. The 8-Track wasnt better than the Muntz 4-track Stereo-Pak. In fact, it was worse.
The 8-Tracks narrower tape tracks had poorer fidelity than Stereo-Pak, and the tape transport mechanism was more jam-prone. However, the 8-Track worked well enough that it was widely adopted, which drove the prices of tapes down.In addition to factory decks being offered in new cars, aftermarket 8-Track players were installed under the dashboards of nearly any car whose owner had a few hundred bucks and a screwdriver. In addition, there were also home 8-Track recorders that allowed you to make your own tapes, but due to a combination of cost and the difficulty of correctly splitting a record album onto a tapes four stereo tracks (each track needed to be the same length, which sometimes required fading songs in the middle and splitting them), they didnt sell well. But, more centrally, with inexpensive pre-recorded tapes readily available, the public probably didnt think that music selection needed to get more individual than that. Things were about to change. Next week: Part 4, cassette tapes. Rob Siegel has been writing the column The Hack Mechanic for BMW CCA Roundel Magazine for 30 years. His new book, Ran When Parked: How I Road-Tripped a Decade-Dead BMW 2002tii a Thousand Miles Back Home, and How You Can, Too, is available here on Amazon. In addition, he is the author of Memoirs of a Hack Mechanic and The Hack Mechanic Guide to European Automotive Electrical Systems. Both are available from Bentley Publishers and Amazon.
Or you can order personally inscribed copies throu. LEAR JET Automatic Radio Stereo Deluxe AM FM 8 Track tape player OEM" is in sale since Monday, September 16, 2019. This item is in the category "eBay Motors\Parts & Accessories\Vintage Car & Truck Parts\Radio & Speaker Systems". The seller is "georgesb2" and is located in Colorado Springs, Colorado.
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