80s Car Stereos: Cassette Decks, Pull-Outs and the War on Radio Thieves

In 1980, 17 percent of new American cars and about two thirds of imports left the dealer with no radio at all. You bought the car, then you bought the sound. By the early 80s that habit had built a car stereo aftermarket worth around $2 billion a year in the US.

It also built a theft problem so bad that people carried their radios around like purses. In one decade car audio went from 8-track to cassette to CD, and every step came with a new trick for keeping the stereo in the car.

8-track out, cassette in

The 8-track came from a 1965 group led by Bill Lear, the Lear Jet man, with Ford, GM, Motorola, RCA and Ampex. Ford put 8-track players in the 1966 Mustang, Thunderbird and Lincoln, and US 8-track sales peaked in 1978.

The cassette won anyway. Philips had shown a dashboard radio with a built-in cassette player back in 1968. The Sony Walkman went on sale on July 1, 1979, and mixtapes needed somewhere to play in the car. The numbers on the 1982 Corvette tell the story: only 932 buyers took the 8-track option, while 20,355 ordered the cassette deck. In 1983 cassettes outsold vinyl in the US.

What a good 80s deck did

Auto-reverse. The deck sensed the end of the tape and played side B by itself. No flipping a cassette at 55 miles an hour.

Dolby B. Noise reduction that cut tape hiss. It became common from the mid-70s.

Loudness, then boosters and EQs. Early 80s units had a loudness button. If you wanted more power, you bolted a "booster" amp under the dash. Crutchfield started selling car amps in 1976, and the bass craze of the 80s made them normal.

Better speakers. Polypropylene woofers sold for car use from 1983 became the standard cone material for subwoofers, helped along by hip-hop's appetite for low end.

Size mattered too. European and Japanese cars standardized on the DIN slot, 180 by 50 millimeters, which became the ISO 7736 standard in 1984. US automakers often used their own larger radio faces, which is why fitting a deck to an American car could take a kit and a free afternoon.

Illustration close-up of a hand pulling a removable car stereo out of a dashboard by its handle

The gear and what it cost

The Pioneer KP-500 was an under-dash cassette receiver that Crutchfield billed as the all time best selling unit of its kind. It was still in the catalog in 1981. Pioneer's "Supertuner" branding promised FM reception to rival a home stereo.

Alpine's 80s decks glowed green, starting with the 7128 cassette player in 1980, and Alpine used a Lamborghini Countach in its brochures. The Alpine 7347 from 1984 listed at $600. Mid-range systems from Kenwood, Marantz or Sanyo ran $300 to $600 in the early 80s.

The top of the pile was the Nakamichi TD-1200, a car cassette deck with a suggested price of $1,300 when it came out around 1982 or 1983. Blaupunkt's Berlin 8000 put the controls on a gooseneck stalk, with the cassette unit, radio box and amp all separate, and cost well over $1,000 before installation.

When the factory got good

In 1979 Amar Bose approached GM's Delco division. Three years and $12 million in development later, the Delco-GM/Bose system arrived for the 1983 model year on the Cadillac Seville and Eldorado, Buick Riviera and Oldsmobile Toronado. Bose calls the '83 Seville the first car with a factory sound system custom tuned to its interior.

It had four speaker modules, each with its own 25 watt amp, and they tuned it using a mannequin with microphones for ears. It was an $895 option in 1983. GM expected 10 to 15 percent of buyers to tick the box. On the 1984 Corvette, more than 80 percent did. A Stereo Review editor's reaction: "I didn't know how good the sound in a car could be."

CD arrives in the dash

Pioneer's CDX-1 of 1984 is usually credited as the first car CD player, though Blaupunkt is also said to have sold an in-dash CD player in 1983. Crutchfield's first in-dash CD receiver showed up in its summer 1985 catalog and needed a special install kit and an outside amp. Alpine's 7900 CD player cost $800 in late 1986.

Then came the trunk changer. Sony's 10-disc unit of 1987 started a craze, and one installer remembered Sony's first changer costing $1,500 without the head unit. Cassettes hung on for decades anyway. 2011 was the first model year no American carmaker offered a factory tape deck.

The theft arms race

Car stereos were easy to steal and easy to sell. Back in 1970 a loss researcher told the New York Times that "all it takes is the unscrewing of a few bolts," about three minutes of work. In 1983 the NYPD recovered $115,000 in stolen stereos in two months. One installer later said most thieves could pull an aftermarket deck in under 10 seconds. His other line explains why factory radios were safe: "People don't steal factory radios."

Owners fought back in stages:

Pull-out decks. The whole unit slid out of the dash on a handle, and you took it with you. NPR later described pullout radios "which people carried around like purses."

Security codes. Cut the power and the radio went dead until someone typed the right code. Blaupunkt and Kenwood both used them.

Alarms built in. The Sanyo Viper of 1985 combined a car stereo with a security system.

Detachable faces. Pioneer popularized the removable faceplate in 1989. The New York Times described the result: the stereo was left with a blank face. Security writer Bruce Schneier later called it "benefit denial," like the ink tags on clothes in a store. The weak spot was human. People forgot to take the face off.

"No Radio" signs. The cheapest defense, a sign in the window, was a common New York sight. Whether it worked, nobody can say.

The wave finally ended in the late 90s, when factory audio got good and cheap new stereos killed the market for stolen ones. FBI figures show car stereo thefts falling from over a million in 1994 to just over 400,000 around 2008.

Illustration of a man walking past a parked car at night with a stereo under his arm

Putting a period stereo in an old car

If you're restoring an 80s car, measure the opening first. Imports usually take a single DIN unit. Many American cars need a kit or a shaft-style retro unit. Vintage decks usually need repairs, like new belts or heads, and if it has a code lock, ask the seller for the code card before you pay. A cassette adapter still works for feeding a phone into an old deck.

If your car is fine and you just miss the drive, the Retro Drive T-Shirt ($34.99) and the BoomBox Hoodie 1982 ($69.99) keep the theme going. For your phone or desktop, Hyper Highway 1984 ($60) is a one-of-one digital artwork. More from the garage: the cars that defined the 80s and 80s cars and the outrun look.

Questions we get

When did cars get cassette players? Philips showed a dashboard radio with a cassette player in 1968, and cassette decks spread through the 70s. On the 1982 Corvette, buyers chose the cassette deck over the 8-track by more than 20 to one.

When did car CD players come out? Pioneer's CDX-1 of 1984 is usually credited as the first, with a Blaupunkt claim from 1983.

Why did car stereos have removable faces? To stop theft. Without the face the unit was useless, so there was nothing worth stealing. Pioneer made it popular from 1989.

What is single DIN? The standard radio slot size of 180 by 50 millimeters, adopted as ISO 7736 in 1984. Double DIN is twice as tall.

Why did people put "No Radio" signs in their cars? To tell thieves there was nothing worth breaking a window for. There's no data on whether it helped.

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