Tecsonic J-1 Super Jumbo

Tecsonic J-1 Super Jumbo


This Tecsonic Super Jumbo J-1 boombox was made famous in Spike Lee's movie "Do The Right Thing".  The character Radio Raheem in the movie carried this boom box around with him at all times blasting Public Enemy's song "Fight the Power". Radio Raheem's box was badged as a Promax but it is exactly the same box as the Tecsonic.  I believe it was also rebadged as an Intersound J747. The Super Jumbo isn't that well made and is light for its size but it has classic 80's styling and fairly cool light displays.


Tecsonic J-1 Super Jumbo


Made in South Korea the Super Jumbo features dual 8" woofers as well as a pair of mid range speakers and a pair of tweeters. It could get very loud. It also has a 10 band EQ, Digital LED clock, three beat buttons, 4 band radio and a karaoke sing a long feature.  The digital clock is something you don't see on too many boomboxes.  The J-1 is a large boombox measuring in at 31 inches long and 16 1/2 inches high and weighs in at around 25 pounds.  As you can see it has two cassette players as well as a Marantz style horizontal tuning wheel. I believe it put out 20 watts per channel.


Tecsonic J-1 Super Jumbo Back


Given its iconic status as a famous movie prop the Super Jumbo J-1 is very popular with collectors. Plus it's one of the larger boxes of the time and collectors , for the most part, feel that bigger is better. In good cosmetic condition and fully functional these boomboxes sell for over $1000.00.  One recently (8-2012) sold for $1250.00.  So, obviously these are at the higher end of the price spectrum for vintage boomboxes. They're fairly difficult to find as well which contributes to their high price.


22 thoughts on “Tecsonic J-1 Super Jumbo

  1. Hi,

    Any idea where can I buy this boombox ?

    Tecsonic J-1 Super Jumbo
    Lasonic TRC-975

    Many Thanks !!

  2. I just found one at eBay took a chance and bought it Just like it says these are hard to find. The guy said he found the boombox in a auction This time I was the lucky one.

  3. Hi, I have Tectonic Super Jumbo. I want to sell it. I live far away from You (I think so) I am from Poland…. If anyone wants to buy it – my email: kuba-luzik at o2.pl

  4. Hi hey Kuba I want one tectonic super jumbo what have price This is my e-mail viperplus35 at outlook.com send your price bye.

  5. Hi, I’ve got Tectonic Super Jumbo for sale. My email kuba-luzik at o2.pl, I can send more picture and video to email.

  6. Would love to purchase thus boombox, actually was stationed in south Korea camp Hovey in 1987, purchased one new and ended up selling it to another soldier, the thing you regret when you get older, so if anyone know where I can find one to purchase let me know,thanks.

  7. I have one for sell in very good condition you can e mail for good price mrchub94 at Gmail. com

  8. I find and buy one in italy, but is named LARSEN Q-100 Super Jumbo, I search on internet and i find photo with other names. You know why?

  9. Hi…im looking for one..hit me up..im in california..give me price and a picture of it…i had a gold one back in 1986..love to own one again…

  10. Witam, mam w domu dwa TESCONIC J-1 Super Jumbo, chce je sprzedac, niestety nie mam odniesienia w internecie, moze mi pomozecie lub znajdzie sie ktos chetny na kupno 😉

  11. I have this Boombox in good condition to sell if someone want send email to me outsiderta2 at gmail.com ;]
    Im from Poland but i can send this.

    Mam tego Boombox’a w dobrej kondycji do sprzedania jeśli ktoś jest zainteresowany kupnem proszę pisać do mnie na email outsiderta2 at gmail.com

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