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Read the Post in new Window Read the Post in Threaded view  Post #113: HS-80 by jam on 2017-11-14 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
Hi Measet,I tried the HS-80 and it worked best with the bearing lubricated with lower viscosity oil (same as I used in the RX-5000) and kevlar string but once set up (which can be a pain) I could not hear much difference. Belt tension made far more d...

Read the Post in new Window Read the Post in Threaded view  Post #111: Sorry my apologies. by jam on 2017-11-13 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
You are correct. It is Zoom Spout. There are several oils used for turbines that work well.Once you have done a few it gets easier....still messy though. If you are willing to do it. I will send you the necessary supplies....

Read the Post in new Window Read the Post in Threaded view  Post #109: Much to do about oil. by jam on 2017-11-13 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
The oil I use has a viscosity of about 30-31 and I have used it for years with no problems. I have tried about six different viscosity oils and grease and the best results were with in the range I specified for (sound as well as mechanically), please...

Read the Post in new Window Read the Post in Threaded view  Post #104: Bearing issues. by jam on 2017-11-07 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
Hi Measet,The original platter for the RX-5000 was gun metal which I replaced with a platter with a similar platter to Wellington's weighing about 50 lbs. ,  the other table came from Japan with a original stainless platter made by Micro Seiki (rare)...

Read the Post in new Window Read the Post in Threaded view  Post #99: Rx-5000 by jam on 2017-11-06 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
Hi Measet,The oil I would use is Zoomspout, it works great. I have a platter with a similar profile that Wellington has, my second RX-5000 has a stainless platter made by Micro Seiki with the same dimensions as the original gun metal platter.Just fli...

Read the Post in new Window Read the Post in Threaded view  Post #96: Meanwhile back in Kansas by jam on 2017-10-31 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
Hi Wellington,I have rebuilt the other table after living with both for several months of comparison. The oil comparisons were done over several months as well, granted the differences in oil viscosity well smaller compared to the other changes. The ...

Read the Post in new Window Read the Post in Threaded view  Post #93: PIC by jam on 2017-10-31 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
PIC...

Read the Post in new Window Read the Post in Threaded view  Post #92: Bearing by jam on 2017-10-31 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
Wellington,It is my understanding that lead was used because it'a anti an anti-seize properties. The bearing fit is very tight and I suppose this helped with the lubricants of the period and is not a problem with modern synthetics.The bearing does no...

Read the Post in new Window Read the Post in Threaded view  Post #89: PIC4 by jam on 2017-10-30 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
PIC4...

Read the Post in new Window Read the Post in Threaded view  Post #88: PIC3 by jam on 2017-10-30 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
PIC3...

Read the Post in new Window Read the Post in Threaded view  Post #87: PIC2 by jam on 2017-10-30 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
PIC2...

Read the Post in new Window Read the Post in Threaded view  Post #86: PIC1 by jam on 2017-10-30 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
PIC1...

Read the Post in new Window Read the Post in Threaded view  Post #85: Rebuild by jam on 2017-10-30 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
Measet,The bearing oil on the RX-5000 should be replaced with a good low viscosity turbine oil, Zoomspark works well. When opening the bearing you will notice there is a steel thrust plate that will have a dimple on it, you can flip around and use th...

Read the Post in new Window Read the Post in Threaded view  Post #72: AF-1 by jam on 2017-10-29 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
I would agree that the RX-5000 has some advantage to the SX-8000 and I put the differences down to mainly the air bearing and construction of the platter which will cause softness and a lack of focus (some people may like this). To understand the u...

Read the Post in new Window Read the Post in Threaded view  Post #70: Mass is King! by jam on 2017-10-28 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
I have to agree with Wellington. To be fair we both use stainless steel platters (heavier than stock) and use CU-180 mats to damp the platter which ensures an almost dead platter, way better than any acrylic, hard rubber and felt mat I have tried. St...

Read the Post in new Window Read the Post in Threaded view  Post #64: Response by jam on 2017-10-10 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
Wellington,In fact I do. That being said on another note I would like to plan a circuit board project for a power supply for any interested members.Thanks.Regards,Jam...

Read the Post in new Window Read the Post in Threaded view  Post #62: Contact by jam on 2017-10-10 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
Wellington,I would like to get into contact with you regarding the supply.You can e-mail me at jsomasundram@hotmail.com.Thanks.Regards.Jam...

Read the Post in new Window Read the Post in Threaded view  Post #60: RX-5000 by jam on 2017-10-10 
Browse the content of the threads in new Window  Thread: Copper Mat on a Micro Seiki Gun Metal Platter in Analog Playback  112 Replies 
Hi Wellington and fellow Micro-Seiki fans,I will have to agree with your findings about the CU-180 as well. I have tried a stainless steel mat with similar results.I own two RX-5000's and cant't stress enough the rebuilding of the power supply with n...

Read the Post in new Window Read the Post in Threaded view  Post #4: Nohorn channel for the melody range by jamikl on 2011-01-05 
Browse the content of the threads in new Window  Thread: Reflex enclosures used above point where port starts to cont... in Audio Discussions  3 Replies 
Hi again Romy.  This is the thread I referred to above.  It is in the Knowledge Tree section.  What do youdefine as the melody range?  You seemed to think the ported enclosure was OK in that thread and I aminterested in how I might implement the idea...

Read the Post in new Window Read the Post in Threaded view  Post #1: Reflex enclosures used above point where port starts to contribute by jamikl on 2010-12-30 
Browse the content of the threads in new Window  Thread: Reflex enclosures used above point where port starts to cont... in Audio Discussions  3 Replies 
Hi Romy.  I recently saw a thread which may have been posted some time back to do with using a reflexbox for mid or upper base.  My impression is that you are solidly opposed to using this setup within the rangein which it is normally used but in the...

Read the Post in new Window Read the Post in Threaded view  Post #5: Some rambling by jamikl on 2010-10-18 
Browse the content of the threads in new Window  Thread: Horn length/expansion/group delay in Horn-Loaded Speakers  7 Replies 
This may not be the right place.  I am always emotionally involved with the music I listen to.  Sometimes there is a quality to it that makes tears stream down my face - not matter what gendre of music or whether it is sad or happy.This subject was d...

Read the Post in new Window Read the Post in Threaded view  Post #3: Confused? by jamikl on 2010-10-17 
Browse the content of the threads in new Window  Thread: Horn length/expansion/group delay in Horn-Loaded Speakers  7 Replies 
Nah, not really I think I understood what you meant by real estate I just meant that I did not have large rooms, therefore not much space.I like your vertical array of horns and the  line arrayed LF section.  That doesn't take too much space.  My pro...

Read the Post in new Window Read the Post in Threaded view  Post #1: Horn length/expansion/group delay by jamikl on 2010-10-16 
Browse the content of the threads in new Window  Thread: Horn length/expansion/group delay in Horn-Loaded Speakers  7 Replies 
Just new to this forum and there is so much to absorb..   One post I read suggested that horns be constructedwith dimensions to suit 1 oct. below the lowest Freq. to be used.  I know that Mr. Le Cleache favours this ashe says the group delay is bette...

Read the Post in new Window Read the Post in Threaded view  Post #5: Re: Vincent Hybrid? by jamesrm618 on 2006-05-05 
Browse the content of the threads in new Window  Thread: Two-stages, hybrid, small, powerful class “A”? in Audio Discussions  23 Replies 
The Vincent SP-T100 looks close "The SP-T100 is a hybrid mono block with tubes in the input stage where voltage is amplified. The power output Amplifier circuitry works without feedback." Nominal output power Class-A 8 Ohm: 10 Watt Nominal ou...

Read the Post in new Window Read the Post in Threaded view  Post #12: Re: Demoralizing Baby Melquiades Experience so far. by jamesrm618 on 2006-01-02 
Browse the content of the threads in new Window  Thread: Headphone amplifiers. Baby Melquiades? in Melquiades Amplifier  27 Replies 
I wonder if this will resemble your final results :) Regards James...

Read the Post in new Window Read the Post in Threaded view  Post #7: Re: 6 drivers sensitivity, where is the truth? by jamesrm618 on 2005-08-18 
Browse the content of the threads in new Window  Thread: Bass drivers inquiry in Audio Discussions  10 Replies 
The Caire HW250 is the closest driver I could find to the spec you desire. 90dB 1W/1m Fs 23Hz 90W 8ohm Datasheet is here http://www.ciare.com/pdf/catalogo/HW250.pdf Regards James...

Read the Post in new Window Read the Post in Threaded view  Post #9: Re: Not so soon! by jamesrm618 on 2005-07-24 
Browse the content of the threads in new Window  Thread: Electro-Voice T350, T35, + Fostex tweeters. in Horn-Loaded Speakers  34 Replies 
Their are a pair of Pioneer Beryllium ribbon tweeters on ebay with about 8 hours left (Item number: 5790340383) for US$25 The part number is PT-R14A, maybe a distant cousin to the TADs?? Regards James...

Read the Post in new Window Read the Post in Threaded view  Post #7: Re: further air core heads by jamesrm618 on 2005-07-17 
Browse the content of the threads in new Window  Thread: Ultimate HF output transformer? in Melquiades Amplifier  7 Replies 
This site may be of some interest http://xoomer.virgilio.it/efhco/ regards James...
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