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marantz

  1. mhz

    Marantz 2238 Transistor Replacement

    Hello! I am new to AK but have been around quite a bit and have to thank everyone for all the great information here which has helped me a ton. I recently picked up a Marantz 2238 (non-B) in need of some care from a local record store. Don't think it has ever been serviced before; lamps were...
    • mhz
    • Thread
    • 2238 marantz restoration help transistor transistor replacement
    • Replies: 5
    • Forum: Marantz Audio
  2. B

    Marantz 2230B left chanel issue

    Hi everyone I'm new here. I got this Marantz 2230B and wonder if this can be repaired. It sounds good but after a while the left channel drops. I tried switching the speakers to see if it would be the speaker. I cleaned the contacts and the potentiometer. Then, I tried switching the amplifier to...
  3. X

    Marantz 2270 FM voltage issue ?

    Got this 2270 - it has been fully recapped- I mean absolutely every single board. Works flawlessly in every mode besides FM. FM is extremely faint even at 2 o’clock volume ! Stereo light is also extremely dim when in FM mode. Signal stength meter works well but ive noticed the fm tuning meter...
    • xalara76
    • Thread
    • fmproblem marantz marantz2270 marantz2270tuner tunerproblem
    • Replies: 28
    • Forum: Marantz Audio
  4. Jeff Knight

    Superscope 1240 Question

    Hi Everybody, I am doing a recap on a Superscope 1240 that I bought recently. I am relatively knew at this so I was hoping someone could help me out. When I was recapping the amp board I noticed a wire loose on the back of the board. It was connected to something that said 65C on it. I...
  5. bitomaxsp

    Marantz 2275 rebuild

    I am rebuilding my 2275. It was in a bit of tired shape i'd say. But when i disassembled it it was more that tired. I guess everyone is aware what is on the picture. I am make 3D model now to 3D print this lamp holder. Once i'll validate that model is ok in reality i'll make it public so...
    • bitomaxsp
    • Thread
    • 2275 marantz marantz 2275 p700 p800 pcb pe01 rebuild replica tutorial
    • Replies: 81
    • Forum: Marantz Audio
  6. ocdecio

    Looking for tech in Central Florida that can align Marantz tuners/receivers

    I have a couple of receivers in need of alignment, please let me know if you can recommend any tech in Central Florida that has the equipment/knowledge to do it.
  7. akadrhouse

    Volume Pot Hum - Marantz 2215b

    I have a Marantz 2215b that I just finished restoring. Usually when I get a hum from a unit, I can trace it back to grounding and fix it. In this case the hum is quite different. On AUX source - Hum is volume pot dependent - volume on zero -> no hum On phono - hum is similar except when at...
  8. smolbirb

    Dokorder 1120 & Marantz 3250B Preamplifier—Estimated Values?

    Hi, everyone! (sorry for the repost; I had to update) My partner's father recently passed away, and we inherited his Dokorder 1120 and Marantz 3250B Preamplifier. I've posted some photos here for reference. The devices seem to be in good condition. - The Marantz has had it's power cable...
  9. M

    Vintage Stereo Advice

    I recently inherited vintage Marantz equipment and I am in fear of simply plugging it in. The PO was the original owner and had not used the system in over 10 years. The equipment list follows. Is there anything I need to consider before turning these on. Like speakers, do they need to be...
  10. ocdecio

    Taking apart a 1180DC

    I am working on a 1180DC and I am scratching my head as to the best way of removing the boards. I see there are three "extension rods" that connect the knobs to switches on the back, and they have sliders. Are they supposed to go on one direction for removal?
  11. icutfilm

    Marantz 1520 Volume Level Drops

    I have a Marantz 1520 Receiver which occasionally the Volume Level Drops and then minutes later increases back to the initial level? I've had it stored away for years and really like the unit but want to know what the issue may be and if it's worth spending money having it tested & Repaired. I...
  12. dinkylink

    Help !Marantz 2270 loud hum popping sound

    Hello guys, thank you all for reading this , I have a Marantz 2270 that just came out of storage , it used to work beautiful but now as soon as you turn on the speaker relay disengages after a few seconds and get a loud hum popping noise for a second , relay kicks into protection disengages...
  13. icutfilm

    Marantz tdr 830 8 track needs new belts

    I just found a Marantz tdr 830 8 track needs new belts. I looked on ebay and they want $25 for the two belts. Anyone have a good resource for less expensive 8 Track belts?
    • icutfilm
    • Thread
    • 8 track marantz
    • Replies: 6
    • Forum: Tape
  14. TunerLanding

    Best Looking Vintage Amps/Tuners/Receivers plus sound rating 1-10

    Hey guys, thought this might be of some interest. I bought an au-666 and tu-666 Sansui combo because it looks amazing and the audio properties sounded fair also. What vintage kit does everyone else find visually beautiful? And how does the sound match? Do receivers look better than...
  15. Denver jt

    Marantz 2230/Dynaco ST70 and headphones

    Hi All-My current setup is a Marantz 2230 going into a Dynakit ST70 and new large Advents. I LOVE this sound and setup. Now my question…. Since converting my 2230 to a preamp, the headphone jack no longer works. Does anyone know of a switch I could use to quickly cycle the 2230 through amp mode...
  16. J

    Marantz 7 mkII speakers crossover schematics

    Hello all, I'm in a process of restoring the Marantz 7 mkII speakers, so I was wondering if anyone has a crossover schematics for it ? I have searched all over the forum and Google and found nothing, so I decided to ask here. Thank you in advance! Regards, Filip.
  17. Jobby Legs

    Dynaco / Scandyna A45

    Hey guys! I've been a lurker on here for a while now and have learned a whole lot from this forum. Many thanks for sharing the knowledge, it's much appreciated! :D Since lurking, I've bought a pair of Scandyna (Dynaco) A25 which I've recapped and have paired it with a Marantz 1060. They're...
    • Jobby Legs
    • Thread
    • dynaco dynaco a25 dynaco a45 marantz marantz 1060 scandyna
    • Replies: 1
    • Forum: Speakers
  18. D

    Marantz Model 27 parts

    Hey all, just picked up a 1970 Marantz Model 27 and I'm testing my hand at trying to get it cleaned up. Its fully functioning but definitely needs some TLC. Big issue I am running into is where to get replacement spring clips and FM bar for the back (see photos). Any idea on compatible...
    • DCaudio978
    • Thread
    • marantz marantz model 27 radio restoration help restoration project spring clips
    • Replies: 5
    • Forum: Marantz Audio
  19. K

    Rotel 991? Opinions?

    What's up folks? I've got a chance to buy a Rotel RB 991 (200 wpc) for $395. Anyone have any experience or opinions about this amp? I currently have a Marantz 2230 and a Sansui 881 and would most likely use one of those as a preamp to the Rotel to drive some Infinity CS-3008'S. There's also a...
  20. Juan-Jose

    Foolin' around with my Marantz 2110's oscilloscope

    Foolin' around with my Marantz 2110's oscilloscope :rflmao:
    • Juan-Jose
    • Thread
    • fun marantz marantz 2110 music oscilloscope scope
    • Replies: 2
    • Forum: Marantz Audio
  21. C

    MC152 trigger from Marantz processor

    I am planning to purchase an MC152 in the near future to replace a couple of Rotel amps (running in bridged mono) connected to my Marantz SR7012 AVR. I understand McIntosh uses a stereo trigger cable to control both the amp power and meter lights separately in the MC152. According to Marantz...
  22. Ray122

    Marantz 4270 Help...

    Alright, so I've got a Marantz 4270 with a bad channel, spitting out DC and throwing it into protection mode. Only one of the output transistors was shot, I believe it was the one that handles the negative swing. Otherwise, all the semiconductors on the board and otherwise are testing OK. I can...
    • Ray122
    • Thread
    • 4270 amplifer help marantz marantz 4270 output drivers repair repair channel diagnostics repair help
    • Replies: 6
    • Forum: DIY
  23. Johnny_Law

    Help Diagnose Marantz / Philips CD60: Decipher Service Manual, Use O-Scope?

    I am working my way through diagnosing a Marantz / Philips CD60 that will not read discs. The service manual is pretty good but I am having some trouble using my oscilloscope - which I've never used before. It's a Tektronix 2236 from an EE friend that he hadn't used since college. He says it...
  24. Y

    2270 Restoration

    Bringing back from the dead a 2270. Bought it off CL in horrible shape, was mainly used as home for mice - I found all their food stashes... They loved P-800 for their chips hideaway. One of the smaller issues is the broken selector switch. I would like to attempt the surgical approach as...
  25. K

    Marantz WC-10?

    I recently purchased what was supposed to be a WC-10 for my Marantz 4060 but it’s measurements were significantly off. Correct me if I’m wrong but a WC-10 should measure as such: FACEPLATE 14 1/4 " X 4 3/4 " EXTERIOR 15 5/6 " Width X 5 15/16 " Height X 12 " Depth The case I received measures...
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