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mcintosh

  1. Drayman

    C31V Won't Power Up

    Hi, newbie here- Thanks in advance for your help. I have an early C31V with the volume buttons (Serial ER1041). It's been poorly stored in a box in a shed, but otherwise undisturbed for years. PROBLEM: Plug it in, press red Power button, it wont turn on. Totally dead. No clicking, no lights...
  2. J

    McIntosh MC30 Plate Voltage Problem

    I recently rebuilt power and bias circuits on MC30. The caps have been replaced. The 6L6GC grid is -44V but I'm reading -10V to -12V at the plate. So negative voltage in a spot where rectified B+ voltage should have been filtered from the power supply. This does not look, feel or sound good to...
  3. omri617

    Mac 1900 Transformer

    Hi I recently got this nice receiver but the transformer was taken out of it by someone. I purchased a transfoemer from e-Bay. #159-093 3527244 I wanted to know is the MAC 1900 transformer a multivoltage? I live in 220/240 AC area Thanks
  4. S

    MC152 - Power Guard Light issues and power off Subwoofer pop

    Hello, I have an MC152 that I've owned for over 2 years, it had this problem where the flat ribbon cable that connects to the front display was not seated and my left Meter would randomly stop functioning (this was pointed to me by a Mcintosh dealer tech when I got this checked wiht them). The...
  5. T

    How to measure continuity for correct ground on MC50?

    I'm trying to measure the continuity across my MC50 with a DMM and I'm having issues. I have the amp unplugged from power and disconnected from any inputs and interconnects. With my DMM in continuity mode, I'm touching the black probe to the chassis and the red probe to both prongs on the power...
  6. T

    Looking for help diagnosing buzz/hum/ground loop in my "HIFI" GUITAR rig!

    I have been experiencing a bad, loud, and variable noise in my electric guitar rig. Here is the details of the rig (I will include as many details as possible since ground loops are tricky): > Electric Guitar (active electric guitar with on-board buffer, 9V battery, and On-Board Effects Loop...
  7. pantoramasan

    Altec Lansing / Heathkit Legato HH-1-C General information

  8. X

    Vintage or Modern ! Input and advice welcome * New setup build*

    interested in building a new home stereo setup from scratch.. should I go vintage or modern ? I am on a 5k budget MAX for components. I plan on using Canton Reference 9 bookshelf speakers . I was thinking of using a Vintage Marantz 510M Amp & Marantz 3600 preamp. Or should I go with a McIntosh...
  9. mrdrew

    Looking for my first Mac component, preamp

    Morning AK folks and Mcintosh fans, I'm sniffing around to get my first Mcintosh product. I've always been a fan of this classic brand. I spoke with Tom over at http://www.mcintoshaudio.com/, he steered me towards the older equipment for what I was looking for: manual control, classic Mcintosh...
  10. J

    Vintage speaker choice: Canton Karat 300, Ohm FRS-7, Dahlquist DQM-9 Compact, Altec Lansing 305

    I’m auditioning these 4 speakers: Canton Karat 300, Ohm FRS-7, Dahlquist DQM-9 Compact, Altec Lansing 305. I’m curious if one of the 4 really stand out and if you had to choose one (all in good condition) which would you pick? Sound + looks is important for me since these will be next to my...
  11. T

    Mcintosh 2155 Amplifier repair part substitutes

    Hey guys, I am repairing a McIntosh MC2155 amplifier. I called McIntosh labs and they do not have any stock for the following 3 part numbers. Can someone review my substitutes below and let me know if they are correct? McIntosh# Part Substitute 132143 MPS-D05...
  12. U

    McIntosh Advice on Config

    Would appreciate some advice. First off here is my config: - MX123 pre. Dual MC451 monos to drive SF Amati G5s - biamp w Valhalla 2 speaker and XLR - MC462 driving 2 SF Nova II surrounds, - MC257 driving CII Center, 2 Nova I backs. XLR to a Gavis VI. - DAC hifi rose 150b (love the interface)...
  13. Refugee

    C-26 Phono Section left channel issue (wooshing sound and very low output)

    Above is from an old post. His description accurately describes my problem. Looks like the OP did not get much action - LOL I have the same problem. It was working fine last week. I tried to play an album last night and the left channel was shot. I only had time to test a few things. I switched...
  14. N

    Biamping mismatched amplifiers with McIntosh MEN220

    Hi, I've acquired a set of JBL 4367 and now wish to enter the world of biamping. Currently they're beeing fed by a Mark Levinson 532H power amp whom has a gain of 26.8dB, 300w 8Ohm. In my system I've also got the McIntosh MEN220 incooperated for it's RoomPerfect. Now I wish to utilize the...
  15. J

    McIntosh MC2505 or MC2002?

    I currently have a MC 2505 Power Amp paired with a C26 Pre Amp and a MR 74 Tuner. I recently saw a MC 2002 pop up for sale where I live. Curious if you guys have heard both the 2002 and 2505 and if so which did you prefer? Kind of curious if it’s worth trading for the 2002. If I did trade...
  16. J

    Bookshelf Speaker Stands Necessary?

    Curious what you guys think about whether or not my set up would benefit from some short speaker stands. I have Kef Q350’s sitting on a very sturdy credenza. I also have a small space so very little/no room for tall stands on the side of the credenza. Curious if short desktop stands would...
  17. R

    Stereotech 1200 MPX lamp

    I am currently restoring a nice StereoTech 1200 receiver. The only nagging problem I have run into is the MPX lamp. According to the SM, this is a 28 volt 60 ma bulb. The AFC bulb is the same and is functioning correctly, but I am not seeing anything close to 28v as I tune the FM band. Also, I...
  18. J

    McIntosh MR74 bulbs and MC2505 bulbs??

    Can anyone confirm which bulbs are needed for a MR74 tuner and a MC 2505 power amplifier? Would love to swap in new lights for both.
  19. J

    NEED! Portland or Seattle McIntosh Techs?

    Does anyone have any recommendations for professional competent audio techs with experience working with McIntosh gear? Seems harder than I’d expect so please let me know if you know a good tech or two.
  20. J

    McIntosh MR74 Lights/Bulbs specifications??

    I recently purchased a McIntosh Mr 74 and wanted to replace the lights. I believe this unit has 7 or 8 lights? Not sure but regardless I was hoping someone could tell me which exact bulbs I should buy to get this thing glowing again? I’d greatly appreciate it! I also need the same information...
  21. Gooshe

    JBL-4311B’s

    Have a chance to pickup a pair of the JBL-4311-b’s with one of them having a tear in the woofer and the tweeter, the other one seems ok all on drivers, both mids seem ok too. They have the grey cabinets and come with grills. Have been sitting in the garage for many years and are in aged but not...
  22. N

    MAC4100 from US using in Japan

    Hi all, I brought my MAC4100 over from the US to Japan last August. I've been using it with no problem for the last 9 months and it sounds/works fine (great). However, one thing that has been in the back of my mind was whether I should really be using a step-up transformer to bring the mains...
  23. N

    MAC4100 Lamps

    A quick question about the lamps in the MAC4100. I recently bought a lamp replacement kit and switches out the lamps. However, I could only find two lamps (standard bulb shaped) to illuminate the signal and tuning dials (these are mounted on some sort of bracket), and two festoon bulb lamps that...
  24. P

    McIntosh Mr77 Tuner, C28 pre Amp, & MC 2105 Amp Dropped by Fedex!

    Brand new to forum and would like to know best place to get these Mc pieces repaired and tested. The last of my parents just passed away and I had to ship these from NY. My father was VP of Sales for a company called Elpa Marketing out of NYC. He was the head exporter of Mc's, Bozak...
  25. D

    McIntosh XR-19 potential speaker replacements...

    I've recently decided to begin restoring a pair of McIntosh XR-19s I inherited from my father some years ago. A good friend of mine has been refoaming the speakers and we found that one of the XR-19s had been water damaged. Long story longer, we're having difficulty and I'm afraid that I'll need...
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