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GL 75....M/C cart ?

Discussion in 'classic' started by madmike, Mar 5, 2018.

  1. madmike

    madmike I feel much better now, I really do...

    Can you put an m/c cart on a GL75 with the original Lenco arm ? Just wondering....
     
  2. narabdela

    narabdela who?

    I believe that the DL-110 is often used in the GL75 arm, but you'd be better wandering over to the LencoHeaven site for advice from GL75 users.
     
  3. Arkless Electronics

    Arkless Electronics Trade: Amp design and repairs.

    You can put one on most arms... Unless the arm/cartridge resonance comes out at a very bad frequency and peak level it's likely that "acceptable" results will be obtained from most MC's in most arms.... it's only when you get to hear the same cart in a more suitable arm that you realise there was more to come from the cart...
     
  4. Lordhenley

    Lordhenley pfm Member

    A Denon dl 103 works fine
     
  5. Helen Bach

    Helen Bach if it ain't Baroque ...

    mmm, but it's a bit like putting a V8 engine in a family car! The arm is poor, IMHO.
     
  6. narabdela

    narabdela who?

    There are those who would argue that a properly fettled GL75 arm with a suitable cartridge, while hardly cutting edge, is a lot better than its reputation would suggest.
     
  7. Dowser

    Dowser Learning to bodge again..

    There are also those who would say it is shite :) I tried a DL110 with stock arm (modified with stiff counterweight decoupling and solid blocks admittedly, so not exactly stock), but it was complete pants...
     
  8. Helen Bach

    Helen Bach if it ain't Baroque ...

    I believe, like most (if not all) facets of hifi, that it depends on one's wants/needs. I confess I want purity of sound, which is why I don't have Naim/Linn kit.

    The Lenco arm (of which I have several lying in drawers) is not up to even an unfettled Rega 250. Fit a stainless steel stub and counterweight to a 250, and you leave the Lenco arm far far behind. So people who like the Lenco arm are probably into music that doesn't require much in the way of fidelity.
     
  9. Orbe Chaser

    Orbe Chaser pfm Member

    I think if you want to put a decent cartridge on a Lenco the results would be a lot better with an arm upgrade. Several are offered on Lenco Heaven & are not expensive, I had one made by a guy called Brian on there for my GL75 & it lifted the performance by a big enough margin that I had a Sumiko Pearwood Celebration on it with great success. I now use it as a mono only deck with a Lyra Helikon mono MC, not cheap, & it sounds fantastic.
     
  10. lencotweaker

    lencotweaker Mostly dreaming of record players

    The simplest thing to do with any GL75 is throw the tonearm away, mount the deck in a heavy solid plinth and drop a Linn Mount and geometry tonearm in.

    Once the GL75 arm is removed you see a hole on the plinth of about 48mm diameter. The hole isn’t completely round so you have to take to the back of the hole to make it completely round but it only takes a few mins with a half round metal file. Offer up the Linn type arm collar and mark out the bolt holes, remove and then drill 3 holes in the plate. Mount the collar with the bolts and drop the arm in.

    A Linn arm wants to be at 211mm spindle to pivot really but the GL75 arm is 210mm I think so there is a small degree of geometry compromise. You’ll find the cartridge once aligned, to say Baerwald, will sit ever so slightly askew in the headshell. It isn’t a problem in practice though.

    Suitable and cheap arms are obviously Linn tonearms themselves or Linn pattern Jelco’s and their derivatives. I personally liked the Jelco’s a lot in this application. The Jelco SA-750D is perfect for the job but things like the SA-250ST ( and the Mission 774LC derivative) are cheaper alternatives. Avoid the SA-370H (and the Sumiko MMT, LAD and Nakamichi variants) though as they may have Linn mount arm collars but they need a different mounting distance (222mm).

    I did one like this for a friend using a Russ Collinson plinth, a lick of paint and a Jelco 750D and it was positively singing with a Benz Ruby 2 and AT33EV on it.

    Simple and effective way of getting much much more out of a Lenco 75.

    [​IMG]

    (the SPU was just for show as you can’t achieve correct geometry since overhang is fixed)
     
  11. madmike

    madmike I feel much better now, I really do...

    Thank you lencotweaker for a comprehensive reply. I'm afraid that I want to keep my GL75 as original and not remove the arm. Maybe I will get one of the later "holey" headshells to improve the look a wee bit.
    I need to try out an amp with an MC cart only input (Onix OA21) and the only spare deck I can bring to it is my GL75.
    My other decks are TD125 and Transcriptors Hydraulic ref both with SME arms and removeable headshells. I know they could manage an MC cart no problem but I don't want to move them.
     
  12. Helen Bach

    Helen Bach if it ain't Baroque ...

    you may get a reasonable sound from an MC cart and stock Lenco arm,enough to test a phono preamplifier, but no more. I can't agree that you could with an SME, they are far too light [akin to that V8 in a family car, it isn't going to work well].

    Also, can't agree with Lencotweeker's assertion that the SA 370H doesn't fit into the Lenco top plate, I have one (LAD variety) with a slightly modified base, and it works without any top plate modification (save for rounding the hole). The LAD is clearly shorter that a Rega 250 (222mm mounting distance) so I don't understand his position. Neither would I advocate a 'heavy' plinth. Good damping, a little stiffness and a little mass will work much better, according to modern physics.;)
     
  13. lencotweaker

    lencotweaker Mostly dreaming of record players

    The LAD variety of Jelco isn’t a 370H then
     
  14. Helen Bach

    Helen Bach if it ain't Baroque ...

    that would seem more plausible ;)
     

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