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Thread: Sanyo dc j3k

  1. #1
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    Sanyo dc j3k

    Hi there I've just bought a SANYO DC J3K stereo receiver amp off eBay as i primarily liked the look and the price was right. I have a Marantz 1550 that i'm (slowly) restoring, and I needed something of approximately the same vintage to complement my set-up that wasn't going to cost a fortune. Its from a seller I've used before so I'm hopeful when they say its been tested as fully working. Depending on what I get in the post though I may need to tinker with it and so I went looking for a service manual, but no dice.

    I know this model was was originally sold as part of a music system comprising of a turntable and speakers and I've located an owners manual, but that really is not much more than a, "here's where stuff gets plugged in..." type of guide, it has no specs regarding power output, frequency response etc., but it does have a circuit schematic?

    Any additional intel on this model would be great.

    Here's a picture I located on hifiengine of the same model (no official entry in their DB). I've contacted the poster of that image, but its from 8 years ago, so i'm not super hopeful for an answer.

    Vintage 1973 Sanyo Amplifier and Tuner DC-J3K. PERFECT ....preview.jpg

    thanks for reading, Mike

  2. #2
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    Re: Sanyo dc j3k

    Welcome to the forum, looks like a great receiver. Good luck with it.

    Sanyo DC J3K Instruction Manual Page: 1


    mans.io-M4GDP7i6.pdf
    Last edited by joeinid; July 20, 2020 at 05:56 AM.
    Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.

    Job INTegrated. Luxman L-595aSE

    NAD C 658 streamer.

    First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)

    Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.

    Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.

  3. #3
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    Re: Sanyo dc j3k

    Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.

    Job INTegrated. Luxman L-595aSE

    NAD C 658 streamer.

    First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)

    Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.

    Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.

  4. #4
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    Re: Sanyo dc j3k

    Best Sanyo made in the 70's was the JCX 2900K. Easily bests everything made by the big dogs (Pioneer/Marantz etc) during that era. You can get this TOTL Receiver for 30-50% of what the Best Pioneer/Marantz receivers go for. $500 is about the average price. If that's too rich for you go for the 2600K Model which is around $200.
    Amps: First Watt SIT-3, Pass XA25, Valvet E2 SE, LTA ZOTL40, First Watt SIT-1 Mono's, ARC Ref75SE, Decware Zen TorII MK4, Line Magnetic 845 Premium, Raven Reflection MK2, Audio Hungary Qualiton X200, Kingko 101Pro, Audio Hungary Qualiton I50

    Pre-Amps: Luxman 900U, Coda 07X, ARC MP-1 Multi-Channel, Conrad Johnson Met-1 Multi-Channel

    Disc Spinners: Luxman D-10X, Ayre DX5, Oppo 105/205

    Speakers: Cube Audio Nenuphar Mini, Fleetwood Deville, Volti Razz, Spendor Classic 100, Rosso Fiorentino Certaldo 2, Klipsch Cornwall IV, Harbeth SHL5+, Harbeth C7XD, Omega Compact 8, Triangle Comete 40th Anniversary, Audio Solutions Figaro M, Graham LS3/5A


    Check out my Facebook Page RIAA AWARD COLLECTORS to see over 3800 authentic Music Industry Awards (Gold and Platinum Records) from my personal collection. New awards added every month. https://www.facebook.com/riaaawards

  5. #5
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    Re: Sanyo dc j3k

    quick update, receiver arrived in very smart condition, just a couple of bulbs to replace (done). It's got 4 channel matrix stereo sound. I managed to measure 3w per channel output. It was at first a little disheartening as i was hoping for at least 10w per channel, i had no specs to manage my expectations. However I was pleasantly surprised that's its able to power my 40w 3 way floor speakers to an acceptable level for my small study. So given this is meant to be just my stand in receiver it will absolutely do for now. BTW once I had it open it appears to be very similar inside to the contemporary dxc units of the same era, so if i need to go tinkering further I think I can find enough material from those more well known units to help me. Going forwards I may try and locate some slightly better matched speakers, i'm not sure yet, it really depends on how long the Marantz is out of commission, but overall very happy with this little unit.
    IMG-1370.jpg

  6. #6
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    Re: Sanyo dc j3k

    Congratulations! Looks very clean and in excellent shape. Thank you for letting us know. I was curious. I’m glad to see you enjoying your new to you receiver.

    Have fun!
    Fleetwood Deville by Oswald Mills Audio, Vienna Acoustics Haydn Jubilee, Wharfedale Linton w/ stands, Klipsch RB-75, Klipsch RP-160M.

    Job INTegrated. Luxman L-595aSE

    NAD C 658 streamer.

    First Watt SIT-3, Job 250 Monos, NuForce STA200, AkitikA GT-102 amp, ASL Wave monos, Dennis Had 45 monos. Absolute Audio Labs PCF 25 amp (improved First Watt F7 super clone)

    Topping D90, RME Audio ADI-2 DAC FS, ModWright Ultimate Sony XA-5400ES.

    Burmester 948, McIntosh MCLK12, Kimber Kable, Siltech, Cardas, Avanti Audio cables.

  7. #7
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    Re: Sanyo dc j3k

    Quote Originally Posted by emtea01 View Post
    quick update, receiver arrived in very smart condition, just a couple of bulbs to replace (done). It's got 4 channel matrix stereo sound. I managed to measure 3w per channel output. It was at first a little disheartening as i was hoping for at least 10w per channel, i had no specs to manage my expectations. However I was pleasantly surprised that's its able to power my 40w 3 way floor speakers to an acceptable level for my small study. So given this is meant to be just my stand in receiver it will absolutely do for now. BTW once I had it open it appears to be very similar inside to the contemporary dxc units of the same era, so if i need to go tinkering further I think I can find enough material from those more well known units to help me. Going forwards I may try and locate some slightly better matched speakers, i'm not sure yet, it really depends on how long the Marantz is out of commission, but overall very happy with this little unit.
    Pardon me for bringing up an old topic, please tell me what kind of audio system with this amplifier you have finally assembled. Are you happy with the sound as a result?

  8. #8
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    Re: Sanyo dc j3k

    Quote Originally Posted by typhil01 View Post
    Pardon me for bringing up an old topic, please tell me what kind of audio system with this amplifier you have finally assembled. Are you happy with the sound as a result?
    I have the same model Sanyo and the associated turntable. I was sceptical at first given the low power output and the "stigma" attached to both Sanyo and "system" stereos.

    This setup will really surprise , I have used it with a bunch of vintage (70's to 90's) speakers including Spendor, Goodmans, Energy and B&W. to my ears the little Sanyo drives the Goodmans (Mezza SL) the best, the energy speakers sounded horroble as they need more power, as with the Bowers and Wilkins, the spendor and the goodmans I own are much more efficient speakers and sound brilliant.

    I have actually just purchased a Sanyo Cassette Deck to compliment the setup. It may replace my main Rotel Receiver and setup as I really like the sound.

  9. #9
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    Re: Sanyo dc j3k

    Quote Originally Posted by emtea01 View Post
    quick update, receiver arrived in very smart condition, just a couple of bulbs to replace (done). It's got 4 channel matrix stereo sound. I managed to measure 3w per channel output. It was at first a little disheartening as i was hoping for at least 10w per channel, i had no specs to manage my expectations. However I was pleasantly surprised that's its able to power my 40w 3 way floor speakers to an acceptable level for my small study. So given this is meant to be just my stand in receiver it will absolutely do for now. BTW once I had it open it appears to be very similar inside to the contemporary dxc units of the same era, so if i need to go tinkering further I think I can find enough material from those more well known units to help me. Going forwards I may try and locate some slightly better matched speakers, i'm not sure yet, it really depends on how long the Marantz is out of commission, but overall very happy with this little unit.
    IMG-1370.jpg
    Hi
    I just bought a DCJ6K which needs bulbs replacing as yours did. I've got the cover off but can't see bulbs. Where are they located andwhat am I looking for?
    Also, wondering where you got your bulbs from. I'm near Coffs Harbour.
    Thanks
    Michael

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Sanyo dc j3k

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