Jump to content

12ax7b

Members
  • Content Count

    13
  • Joined

  • Last visited

Community Reputation

10 Neutral

About 12ax7b

  • Rank
    10+ Post Club

Profile Fields

  • Location
    Auckland
  • Country
    New Zealand

Recent Profile Visitors

The recent visitors block is disabled and is not being shown to other users.

  1. Thanks that solves that one. I do have a suggestion - finer tonearm wire, no jacket - maybe you could take the tonearm wire out the hole in the cylinder at the top and out through the top bracket so it would exit close to the pivot axis in the mark 2. Well done.
  2. The Well Tempered has 2 wires to allow free vertical motion ( on warped records for example ). With a 4 wire rig how does the arm move up and down without the armtube pulling and pushing the cartridge back and forth as the arm goes up and down. This seems to defy the laws of physics - or am I missing something here.
  3. Yes I agree, In my case, I refuse to use cartridges where the cantilver is not dead straight in the body, simply because my record collection is worth far more than any cartridge and I take no risks.
  4. After setting the overhang in step 1, you move the stylus to the dot "B" in step 2 and make sure the cartridge is parallel to the lines, this requires moving the platter, placing the stylus on dot B and then twisting the cartridge to ensure it is parallel to the lines running lengthwise under the cartridge whilst not moving the stylus off the dot.. The mistake you are making is that when you go to step 3, you move the platter again to put the stylus on the dot "B" at step 3 and check for parallellity to the marked lines. Steps 2 and 3 are checking for parallelity to the lines, not overhang. If you have got the overhang correct at step 1 and got the cartridge parallel to the lines at step 2, then step 3 should automatically be parallel as well (assuming you have moved the platter to put the stylus on the dot.. I have many protractors including the Feickert and find it easy to use, and accurate if you follow the instructions carefully.
  5. If you cant remove the platter, for a short controlled car trip, lift the platter enough to put some foam/rubber under the edges - this will mean the thrust pad and ball/shaft in the bearing are separated for transport. Important also to remove counterwright from tonearm when transporting. Feather & down duvet should be as good as any packaging - and use back seat - boot is much more prone to vibration.
  6. Hi Owen Great idea to distribute the mass to the outside to maximise rotational inertia and keep the overall mass as low as possible. The EMT platter uses this same principle - it weighs 5kg, but by distributng the bulk of the mass to the outer of the large platter it achieves the same inertia as a 50kg platter but with only 5kg.
  7. Hi What I did fix the sag was the following 1) strip the floating platter/armboard, and then trimmed off 3mm along the back. 2) Clamped the board to a flat steel worktable so that there was no sag, and whilst clamped I glued and screwed a 3mm aluminium strip along the back of the board. 3) resprayed the modded board. Please note the mdf used is like powder, and has no structural integrity. You might want to soak thin glue into the mdf and let it dry before you glue and screw the aluminium. If I was to do it again , I would probably use L section aluminium to provide extra stability, with the leg of the L shortened so as to not interfere with the foot. This fixed the sag and provided stiffening to prevent it happening again. Sold the TT after 30 years - still no sag.
  • Classifieds Statistics


    Currently Active Ads

    Total Sales (Since 2018)

    Total Sales Value (Last 14 Days)

    Total Ads Value (Since March 2020)
×
×
  • Create New...