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  1. M

    LOTS OF TUBES

  2. M

    Shootout of Nos 6sn7 tubes

    I did. You specifically mentioned that they would be used in your Supratek preamp. In my opinion they would not be suitable for that use. Might as well use a Sylvania on one side and an RCA on the other. Just my opinion of course.
  3. M

    Shootout of Nos 6sn7 tubes

    I would not use the tubes in question in a preamp gain stage. They are different construction (top getter and bottom getter) and have different electrical characteristic. I believe you should use matching pairs for your preamp, meaning same make, same construction and similar electrical...
  4. M

    Shootout of Nos 6sn7 tubes

    Hi highstream. From your description, it is hard to say for sure that the problem was caused by that tube though it may well have been. All tubes are microphonic to some degree. Since you are using the tubes in a preamp gain stage it is easier to hear the issue, if they were in a driver stage...
  5. M

    Morch dp8

    A picture of the rear counterweights and armboard spacers. I have put one of the regular spacers I used with the Tecnoarm to highlight the larger ones being used.
  6. M

    Morch dp8

    When I had Michell make the custom armboard for the dp8 I was told I would also need custom spacers (20 or 22mm I think) to get the arm high enough to use with the Orbe. If you are using the smaller spacers, that may be why the weights are so close to the armboard. Mine are well clear of the...
  7. M

    Morch dp8

    Hi User211 i have not had that problem. The counter weighs seem to have a inner rubber like surround that keeps them holding on to the rod. Maybe this dries out over time or your weights do not have this? If so you could probably order new counterweights from Moerch. Try Mehran at Sorasound he...
  8. M

    Shootout of Nos 6sn7 tubes

    Hi Lowrider. I hope the Raytheons work well for you. They are a very good tube but as you know, you never know what will work best in a particular system. Since you use 6SN7 in so many spots, I’m sure you will find a place for them. Enjoy the roll!
  9. M

    Morch dp8

    Hi dart6. Moerch is now providing a template you can use for setting overhang. You can also use one of the alignment protractors on the market. I used the Dr. Friekert alignment protractor to set overhang and alignment. According to the dp8 instruction manual, overhang is correct with the...
  10. M

    Shootout of Nos 6sn7 tubes

    The 6SN7Ws sound like the brown base WGTs with the dryness much reduced and in its place a slight midrange bloom. Great tubes! I find all the Sylvania top getter tubes (even the GTAs which are a pretty nice tube for a reasonable price) to sound more linear and neutral than the bottom getter...
  11. M

    Shootout of Nos 6sn7 tubes

    I just came upon this thread, very interesting. 6SN7 is my favourite tube for rolling, so many different flavours! I have most of the tubes mentioned in this thread other than the TSRP. thomask, you do not mention the task this tube preforms in your amp, but I think they may be drivers for the...
  12. M

    Tube Supplier and cross reference thread

    There are some long running threads about Bangy bang tubes on Tube Asylum. Apparently not the most honest or honourable tube seller. I have not dealt with them myself.
  13. M

    Synergistic Research PHT

    I use the “Blue Velvet” on my Lyra Delos. It makes a big difference in soundstaging and natural flow. Things sound more real, less electronic. I have no idea how or why they work. But have tried numerous comparisons with and without on my cartridge. The PHT stays.
  14. M

    Morch dp8

    After living with the DP8 tonearm for a few weeks, just wanted to post a few comments for those who have some interest in this arm. Although I did post above that it was easy to set up, I did find find out that my initial set was not optimal. After spendping more time working on the lateral...
  15. M

    Morch dp8

    Thank you very much for your generous offer. I did use a Dr. Friekert alignment protractor as well as the cardboard protractor Moerch now provides. Setup was no problem as the new armboard provided by Michell precisely set the pivot to spindle distance at 212mm as called for (kudos to Michell...
  16. M

    Morch dp8

    My new DP8 finally mounted on the Orbe last night. Hardly optimized but I am surprised by how much better the sound is. Much smoother yet still clear and detailed. Bass is amazing. This is a big upgrade over my Tecnoarm, as it should be for the cost. Very happy with my purchase. Mehran was...
  17. M

    Morch dp8

    According to the instructions for the DP8, the overhang is listed as 18mm, not 13.3mm as you state above. Also, the pivot to spindle distance is 212mm and is clearly shown in figure 1 of the instructions as being measured from the screw, which it describes as the center of the bush. Are you...
  18. M

    Morch dp8

    Thanks for the info Andrew. I will be using a Dr. Fieckert Alignment gauge to set overhang, as well as the protractor that came with the arm. As well, the custom armboard from JA Michell should insure the proper spindle to pivot distance. Still waiting on the armboard, according to Artech (the...
  19. M

    Morch dp8

    Thanks User211! Got a very fair deal on the arm. As you know with Orbes and Gyros, you are limited to 1 kilogram for tonearm and armboard, which limits your arm choices. The new Grahams, Kuzmazs, Triplanars are too heavy. My first inclination was to go with the SME V, but due to them no longer...
  20. M

    Morch dp8

    I have ordered a DP8 from Mehran at Sorasound as an upgrade for a Tecnoarm on my Orbe turntable. Should be up and running in a few weeks as I will need to get a new arm board custom made from Michell. Will be using my new Lyra Delos with a precision red dot arm wand. Very excited!
  21. M

    Mini Review: Lyra Delos

    Reviving an old thread. Traded in my original Delos (described above) for a new one using Lyra’s trade-in program. Over the last 7 years the Delos has been my main cartridge, although I have also used my Benz Wood and a Hana SL. I still love this cartridge. The second sample is also perfect in...
  22. M

    Michell replacement pylons

    After a fair amount of work to get Pete’s Pylons up and running, I have been able to spend some time listening to my table. Consider this a preliminary report, there are still some things I am working on to optimize the suspension. Gentlemen, the difference that this revised suspension system...
  23. M

    Michell replacement pylons

    I have ordered a set of Peter’s replacement suspension towers for my Orbe turntable through TruePoint audio. I will post my impressions after I have them installed and have done some serious listening.
  24. M

    Anyone Compared the New 6550/KT88s out there in their Amps?

    Hi ER. Just wondering if your Psvane KT120s are still working reliably in your amp and holding steady bias. It would be great if the answer is yes, they are likely much better sounding than the “Tung Sol” reissues. My experience with the Treasure KT120 (from about 3 years ago) was that they...
  25. M

    Anyone Compared the New 6550/KT88s out there in their Amps?

    A couple of reasons come to mind: 1. NOS tubes were made with materials that today would be considered hazardous so they could not be used. 2. The master craftsman tube builders (every major factory had a few in the 1950s and 60s) are gone, replaced by low wage workers. 3. Tubes are now a...
  26. M

    Anyone Compared the New 6550/KT88s out there in their Amps?

    Sounds reasonable Big Dog. Just to clarify, I too am using big full range panels (Acoustat Spectra 22). Never felt that KT120 (or even KT88) were necessary to control the panels. I do find EL34 a little bloated and weak in the bass however. KT66 combines the control of the bigger KT88/KT120...
  27. M

    Anyone Compared the New 6550/KT88s out there in their Amps?

    Gentlemen, point taken. I will definitely be having a listen to the new ARC amps with KT150s. But I love rolling! My Rogue can take KT120/KT90/KT88, 6550, KT66, EL34 and 6L6GC. Like have 6 different amps. I actually use KT66 most of the time, either GEC greyglass or the Gold Lion reissues which...
  28. M

    Anyone Compared the New 6550/KT88s out there in their Amps?

    Hi Davey. Too each his own I guess, but I disagree with your above comment and so do many other users. To me the Tung Sol KT 120 is the most solid state sounding output tube I have ever heard. Dry Dry Dry, no bloom! I guess some people like that. The KT150s are supposed to be a big step up but...
  29. M

    Anyone Compared the New 6550/KT88s out there in their Amps?

    I have tried many different KT88/KT90?KT120 in my modified Rogue Audio Stereo 90. First off, the premium high priced Chinese tubes like the Treasure KT88 and KT120 or the Psvane KT88 grey glass always sound excellent. My problem has been reliability. Without exception, my experience has been...

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