Ah! Njoe Tjoeb 4000 CD player

ClipdatClipdat Posts: 4,725
Just purchased one of these off a popular auction site. I have a CD player acquisition "problem". Photos from the ad:

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Given the age of the player, I'm excited at what appears to be the almost mint condition it's in. I'll post up some photos of my own once it arrives. Apparently these are pretty rare, with only 7,000 units made according to one site I read.

Stereophile review: https://www.stereophile.com/cdplayers/1103tjoeb/index.html

Anyone have any suggestions/recommendations for "6922-style" tubes to roll in it?
Got Dayens?
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Comments

  • pitdogg2pitdogg2 Posts: 10,853
    Mullard 10m matched pair.
    Call Brent Jesse he has many..
  • ConradiclesConradicles Posts: 5,748
    Nice spinner. Brent Jesse helped me too.
  • ClipdatClipdat Posts: 4,725
    $300 per pair, eh? That's more than I just paid for the player, haha!
    pitdogg2 wrote: »
    Mullard 10m matched pair.
    Call Brent Jesse he has many..

    Got Dayens?
  • ClipdatClipdat Posts: 4,725
    I just got a message from the seller that said he's going to throw in an extra 2 "JAN 6922" tubes for me. I think he means these: https://www.tubedepot.com/products/6922-jan-philips
    Got Dayens?
  • ConradiclesConradicles Posts: 5,748
    You can also hit up some of the Tube Guru's here. They may have something that fits your budget.
  • txcoastal1txcoastal1 Posts: 9,902
    Clipdat wrote: »
    $300 per pair, eh? That's more than I just paid for the player, haha!
    pitdogg2 wrote: »
    Mullard 10m matched pair.
    Call Brent Jesse he has many..

    You could go this route, these aren't to bad






















































    Genalex Gold Lion E88CC Gold Pin Tube
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  • marvda1marvda1 Posts: 3,186
    national matsushita 7dj8 $35 upscale audio
    Amplifiers: MasterSound Compact 845, Ayre v6xe, Consonance Cyber 800, Usher R1.5
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  • ClipdatClipdat Posts: 4,725
    Thanks Marvin. The description sounds interesting, I'll look into them!
    marvda1 wrote: »
    national matsushita 7dj8 $35 upscale audio

    Got Dayens?
  • msgmsg Posts: 4,270
    Woh, tubes and toroid?!?
    Nice.
  • pitdogg2pitdogg2 Posts: 10,853
    edited June 6
    JAN just means joint army navy many tube makers made jan tubes.
    Look into brent jesse i was just giving a reference. Brent has many tubes priced low to high.
  • ClipdatClipdat Posts: 4,725
    Thanks Ivan. I guess it's a mystery then to which JAN tubes he's sending. I'll have to wait and see.

    Once I get it and verify basic functionality, I'll give Brent a call and talk tubes. :)
    pitdogg2 wrote: »
    JAN just means joint army navy many tube makers made jan tubes.
    Look into brent jesse i was just giving a reference. Brent has many tubes priced low to high.

    Got Dayens?
  • ClipdatClipdat Posts: 4,725
    I know! I can't wait to break it in with some Mazzy Star!
    msg wrote: »
    Woh, tubes and toroid?!?
    Nice.

    Got Dayens?
  • SCompRacerSCompRacer Posts: 6,914
    These are really nice players. I had one years ago with the upsampler option. Njoy!
    Make yourself necessary to someone. Ralph Waldo Emerson

    Salk SoundScape 8's * Audio Research Reference 3 * Bottlehead Eros Phono * Park's Audio Budgie SUT * Krell KSA-250 * Harmonic Technology Pro 9+ & Pro 11+ * Signature Series Sonore Music Server w/Deux PS* Twisted Pear Buffalo III Dual Mono ESS Sabre32 DAC * Heavy Plinth Lenco L75 Idler Drive * AA MG-1 Linear Air Bearing Arm * AT33PTG/II & Denon 103R * Richard Gray 600S * NHT B-12d subs * GIK Acoustic Treatments * Sennheiser HD650 *

  • msgmsg Posts: 4,270
    Clipdat wrote: »
    I know! I can't wait to break it in with some Mazzy Star!
    Ssson of a... biscuit eater


  • pitdogg2pitdogg2 Posts: 10,853
    Clipdat wrote: »
    $300 per pair, eh? That's more than I just paid for the player, haha!
    pitdogg2 wrote: »
    Mullard 10m matched pair.
    Call Brent Jesse he has many..

    To be fair i have bought tubes for my tube buffer that cost many times the price of the buffer itself.
  • ClipdatClipdat Posts: 4,725
    Nice! Do you think the $350 upsampler board is worth it over the standard setup?
    SCompRacer wrote: »
    These are really nice players. I had one years ago with the upsampler option. Njoy!

    Got Dayens?
  • kharp1kharp1 Posts: 2,530
    Not very familiar with that paticular unit, but, I'm thinking it's going to be a nice piece to play with. Get it up and running and give it some time as is and then reassess. Get a good baseline before starting the tube rolling. If tube rolling doesn't get you where you want to be, well, start ripping the innards out! Seriously though, I'd give it some time before considering upgrades as they may not be needed.

    Looking forward to your take on it.
    Main System:
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    Analysus Plus Oval

  • ClipdatClipdat Posts: 4,725
    edited June 9
    Well it arrived today so I got it unboxed and it's playing currently. Seems to work just fine. I took a bunch of photos of the player and the extra tubes that were included. Looks to be in pretty good condition for it's age!

    I was trying to identify what tubes were installed in it. It looks like they say "Gold Lion" or something in cursive yellow writing, and say W GERMANY. I tried to remove one so I could get a better photo of the cursive writing, but it promptly wiped right off on my finger in the process. Der duh der.

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    Got Dayens?
  • Tony MTony M Posts: 6,095
    Why does it have more capacitors than a lot of receivers have? Man, that's a lot of power storage!!
    Most people just listen to music and watch movies. I EXPERIENCE them.
  • heiney9heiney9 Posts: 23,863
    edited June 10
    Don't skimp on the tubes. Those are mediocre tubes. I woudn't walk across the street to get those Jan Philips tubes, for free.


    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass

    Pass Aleph 30 | EE Avant Pre | EE Mini Max Plus DAC | MIT Shotgun S3 | MIT Z P/C's | updated SDA 1C| SQ Box Touch/Welbourne Labs P/S- Tubes add soul!
  • ClipdatClipdat Posts: 4,725
    Same reason this has so many?

    AMP-Explosion-Front-Mono-1400.jpg
    Tony M wrote: »
    Why does it have more capacitors than a lot of receivers have? Man, that's a lot of power storage!!

    Thanks for the tip on the JAN Philips tubes! Any idea about the yellow text printed tubes that came preinstalled? Do you know what they are?
    heiney9 wrote: »
    Don't skimp on the tubes. Those are mediocre tubes. I woudn't walk across the street to get those Jan Philips tubes, for free.


    H9

    Got Dayens?
  • halohalo Posts: 4,380
    Drew,

    Andy @ Vintage Tube Services shows the Matsushita 6DJ8 tubes on his "Stock list." I had a set of these from him in the past and they do sound very good, especially at their price point. The stock list is not up to date so the inventory or the prices may have changed but it doesn't hurt to call and chat with Andy; he really knows his stuff.

    ospj036fizli.png
  • halohalo Posts: 4,380
    edited June 10
    SCompRacer wrote: »
    These are really nice players. I had one years ago with the upsampler option. Njoy!

    What was your next move after this CDP? Was it a CDP + DAC or did you go with a different tube CDP? I cannot recall.
  • steveinazsteveinaz Posts: 18,396
    These players enjoyed near "legendary" status in their day. Enjoy.
    Transport: Oppo BDP-103/USB HDD | Preamp/DAC: Benchmark DAC2L | Power Amp: Parasound Halo A21 | Speakers: PSB Imagine T2 | Cables: Signal Cable XLR; Kimber 8VS Bi-Wire; Belden 1694A Dig Coax | AC Power: Panamax M5300-PM
  • mhardy6647mhardy6647 Posts: 19,072
    edited June 10
    Tony M wrote: »
    Why does it have more capacitors than a lot of receivers have? Man, that's a lot of power storage!!

    My guess is --
    That's a space effective way to get appropriate capacitance for HV (relative to soiled state) DC in a small (at least vertically) space. SS working voltages are typically pretty low -- even small-signal tubes (like the 6922 in the piece in question) will require fairly high plate voltages for best results.

  • SCompRacerSCompRacer Posts: 6,914
    edited June 10
    Clipdat wrote: »
    Nice! Do you think the $350 upsampler board is worth it over the standard setup?


    It was a worthwhile upgrade IMO. Really helped the midrange. The 'New Tube' design was a successful attempt at a more analog sounding CD player.
    halo wrote: »

    What was your next move after this CDP? Was it a CDP + DAC or did you go with a different tube CDP? I cannot recall.

    IIRC a ModWright Sony 999ES with tube output, then a ModWright 9100ES with tube output. After that it was DIY. A single, then dual mono, Twisted Pear Buffalo III ESS9018 DAC with discrete balanced out. It still sounds very, very good.
    Make yourself necessary to someone. Ralph Waldo Emerson

    Salk SoundScape 8's * Audio Research Reference 3 * Bottlehead Eros Phono * Park's Audio Budgie SUT * Krell KSA-250 * Harmonic Technology Pro 9+ & Pro 11+ * Signature Series Sonore Music Server w/Deux PS* Twisted Pear Buffalo III Dual Mono ESS Sabre32 DAC * Heavy Plinth Lenco L75 Idler Drive * AA MG-1 Linear Air Bearing Arm * AT33PTG/II & Denon 103R * Richard Gray 600S * NHT B-12d subs * GIK Acoustic Treatments * Sennheiser HD650 *

  • heiney9heiney9 Posts: 23,863
    edited June 10
    Hard to tell based on the photo's. I only know a little about the 6DJ8/6922/7308 tubes. Never had gear that ran those, so never really bothered to learn much beyond the basics.

    The yellow label tubes appear to be "A" frames which means it's mostly likely a Dutch Philips made tube (not the same Philips as the blue label ECG's). I see made in Germany and possibly a set of grayish acid codes???

    The blue label ECG's most likely made in the mid 80's aren't that terrible unless you compare to the 60's tubes. So my statement was a bit over the top for emphasis. If your serious about getting tube experience the ECG's simply won't do.

    The better 6DJ8/6922's are a bit pricey. These were never intended for audio. They were adapted for audio use later on, mostly in pre-amps. The first 6DJ8 wasn't even produced until 1957 by Dutch Philips strictly as UHF/VHF component. Later found to be excellent used in oscilloscopes.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass

    Pass Aleph 30 | EE Avant Pre | EE Mini Max Plus DAC | MIT Shotgun S3 | MIT Z P/C's | updated SDA 1C| SQ Box Touch/Welbourne Labs P/S- Tubes add soul!
  • Tony MTony M Posts: 6,095
    Clipdat wrote: »
    Same reason this has so many?

    AMP-Explosion-Front-Mono-1400.jpg
    Tony M wrote: »
    Why does it have more capacitors than a lot of receivers have? Man, that's a lot of power storage!!

    Thanks for the tip on the JAN Philips tubes! Any idea about the yellow text printed tubes that came preinstalled? Do you know what they are?
    heiney9 wrote: »
    Don't skimp on the tubes. Those are mediocre tubes. I woudn't walk across the street to get those Jan Philips tubes, for free.


    H9

    Why do you not answer my question and also at the same time post a picture of something (what the heck is it? Is it an integrated amp? ) that's not a CD player to compare with your Cd player?

    Thank you, @mhardy6647 for trying to explain the reason for those multitude of capacitors being in a CD player. I can relate since Cd players that don't have a tube or tubes don't have 1/10 of them, I don't think.
    Most people just listen to music and watch movies. I EXPERIENCE them.
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