SOLD to Finland: Blaupunkt Frankfurt STEREO 1971 ULTRA RARE Vintage Original TOP-END Classic Car Auto Radio for Aston Martin, BMW, Ferrari, Jaguar, Mercedes and Others 1964 – 1974

THIS 1971 BLAUPUNKT FRANKFURT STEREO RADIO IS SOLD. We can complete a similar looking auto radio for you based on a 1969-1972 Blaupunkt Frankfurt Stereo. Contact Marc for more information via the contact page.

Here we have a fantastic and ULTRA RARE 1971 Blaupunkt Frankfurt STEREO (type 7631)! This is the successor and improved model of the first stereo auto radio ever, the legendary 1969 Blaupunkt Frankfurt stereo. These very exclusive auto radios were very expensive and rare in period and these units are ultra rare today! This fabulous and beautifully refurbished 1971 Blaupunkt Frankfurt stereo top-end classic car auto radio features a gorgeous (new old stock!) wide chrome metal luxury faceplate with siver finish, luxury knobs and chrome tone levers. In period this face plate was usually seen in BMW CS, CSL, CSI and 02 series cars. You can have this radio with the correct late 1960s or early 1970s BMW knobs, ask us. As presented this fantastic Frankfurt stereo will look great in many exclusive European cars of the period 1964 – 1974. Aston Martin, Jaguar (E-type Series 2), Ferrari, Maserati, and others. If you wish you can have this fine stereo radio with a dedicated Mercedes-Benz or Jaguar E-type series 1 faceplate; Contact us before you buy.

The radio standard fits the 1960s / early 1970s 95 x 42 mm dashboard aperture with two 11 mm holes at 130 mm horizontal distance. You will need a 1-DIN dashboard bracket to fit the radio in cars with a 1970s 1-DIN 185 x 55 dashboard aperture.

This Blaupunkt Frankfurt Stereo Top-End auto radio is MP3 and Bluetooth ready! Stream music from your smartphone to your vintage original auto radio with our wireless Classentials Deluxe Stereo Bluetooth Module (Price €117,50) or ‘wired’ Deluxe Stereo MP3 Kit (Price €45,00)! Get a €40,00 DISCOUNT on the combination purchase using Coupon code: MP3S in the check-out.

This sterling Blaupunkt Frankfurt stereo transistor radio has been refurbished by Dutch and German specialists for Classentials. The radio is being delivered with the complete Classentials installation kit (installation instructions, speaker plugs, cable-shoes, ground cable, fuse etc), all the essentials you need to properly install the radio in your classic car. See all the technical specifications farther below. “Enjoy the Ride!”

*1.5 years (18 months) European / US warranty (See About Us / FAQ).

SOLD to Finland.



Make and Model: Blaupunkt Frankfurt STEREO (Type 7631). The first STEREO auto radio ever, first built (type 7639) in 1969.
Classic Car era: 1964 – 1974
Face-plate: Blaupunkt metal chrome with gloss black front finish. Luxury knobs with chrome rings and chrome tone levers. This face-plate was used in BMW E9 and E10 cars of the period and it looks splendid in other exclusive cars of the period! Alfa Romeo, Aston-Martin, Jaguar (E-type series 2), Ferrari, Maserati and others! You can have this top class radio with a dedicated Mercedes-Benz or Jaguar E-type series 1 faceplate; ask!
On-board voltage: 12V, negative AND positive earth / ground.
Output power: 2 x 5 Watt nominal, 2 x 7 Watt music.
Impedance: 4 Ohm
Rendition: STEREO, 2 (4 Ohm) speakers. NOTE: If you want to connect four speakers then you have to use two 8 Ohm speakers connected parallel + to + and – to -, this makes 4 Ohm. This is important otherwise you will damage the internal amplifier.
Wave Range: long wave, medium wave, short wave, UKW (FM)
Frequency range UKW (FM): 88MHz-104MHz
Equipment: Tone control, automatic antenna connection, 6-PIN DIN connection for optional external devices (in period cassette players) like the Classentials MP3 kit and the Classentials Bluetooth module.
Design type: Transistor radio
Year of build: 1971
Dimensions unit (width x height x depth in mm): 177 x 50 x 170 (back to front of face-plate)
Dimensions face-plate (width x height in mm): 204 x 59
Weight (kg): 1.85

Extra in packaging: Classentials Installation Kit 1 with installation instructions, 4 speaker plugs, earth / ground cable, extra M10 mounting rings and a rear mounting support (holed metal strip), see pictures.

Installing: Basic car conditions before installation: Radio prepared car with dashboard openings, 12V power lead, analog telescopic antenna, two speakers (doors, parce shelf) with wiring.
Handy customers experienced with working and tinkering on classic cars can install a radio by themselves. All others we strictly advise to have their vintage radio installed by an experienced mechanic / electrician / local garage. Our installation kits contain the parts and instructions needed to install a radio in a factory original prepared car. In case your dashboard aperture / mount has been changed by previous owners over the last 40 -50 years you might need, or have to make, different parts to make the radio fit properly.

*1.5 years (18 months) European / US warranty (See About Us / FAQ). In the rare case that a reliable Blaupunkt transistor radio stops working you send it back to us for immediate exchange (in case a comparable unit is in stock) or repair. The radio is sealed before shipping with a unique numbered security seal which cannot be tampered with. If this seal is damaged / broken the warranty will be void.

Attention: Blaupunkt Frankfurt stereo radios built between 1969 and 1974 feature an additional ‘stereo’ lamp behind the scale-dial. The lamp is supposed to light up when a stereo broadcast is detected. For this the radio needs a perfect antenna and a perfect earth / ground contact of the radio AND the antenna. The ‘decoder’ which operates this tiny lamp has in many cases lost its function over the last 40 – 50 years. This can not be repaired because the part is not available. In some radios the ‘decoder’ still works, in others it does not. Therefore, functionality of the decoder and the lamp is excluded from warranty.

“Enjoy the Ride!”

Additional information

Weight 1.9 kg


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