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Thread: Speedy Steve's custom-made counterweight balance and armboard service!

  1. #461
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,016
    I'm Steve.

    Default

    A couple of bespoke items made bound for Spain

    Armboard in Ebony 8mm thick and brass ring 4mm thick. Bonded and screwed together.



    A 3g half sleeve weight for use to increase the mass of a tonearm towards the cartridge end.





    Also an armboard in billet aluminium 22mm thick, 80mm diameter. Armhole for a Fidelity Research FR64s tonearm to fit a Kenwood KD-990
    turntable.

    Pictured here with my FR64s mounted up.



    Showing the required offset

    System: Turntable : SP10 MKII slate plinth, Custom Ebony tonearm board, Arm : Fidelity Research FR64s, Cartridge : SPU Royal N. SUT : Lundahl 1:13. Phonostage : Icon Audio, Digital CD spinner, Serious USB->I2S streaming, ADC / DSP XO / Pre / 4 DAC's : WAF Najda, Poweramps : 3 x EL84 SET's, 2 x D class amps on bass channels, Speakers : 5 way front loaded horn system: 2 X Tapped sub 15" LF drivers / 2 X Exponential mid bass 15" drivers / Tractrix 200Hz mid horns with JBL2482's, / Tractrix 550Hz upper wooden horns with factory refurb'd Vitavox S2's / Raal Lazy Ribbons as high frequency tweeters. Wires: good silver or good copper where best suited. DIY RCM.

    Maker of counterweights, tonearm boards, Tannoy GRF style speaker cabinets, horn speakers and more.
    For more information about my creations and products please click below
    http://fosworld.wix.com/magna-audio

  2. #462
    Join Date: Jan 2009

    Location: Norwich

    Posts: 2,264
    I'm Hugo.

    Default

    Lovely - that FR64S arm boss is for me and I reckon the FR64S will sing beautifully on the old, naked Kenwood KD-990. With a Miyajima cartridge up front, of course!

  3. #463
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,016
    I'm Steve.

    Default

    Quote Originally Posted by Ammonite Acoustics View Post
    Lovely - that FR64S arm boss is for me and I reckon the FR64S will sing beautifully on the old, naked Kenwood KD-990. With a Miyajima cartridge up front, of course!
    Thanks Hugo - hope so
    System: Turntable : SP10 MKII slate plinth, Custom Ebony tonearm board, Arm : Fidelity Research FR64s, Cartridge : SPU Royal N. SUT : Lundahl 1:13. Phonostage : Icon Audio, Digital CD spinner, Serious USB->I2S streaming, ADC / DSP XO / Pre / 4 DAC's : WAF Najda, Poweramps : 3 x EL84 SET's, 2 x D class amps on bass channels, Speakers : 5 way front loaded horn system: 2 X Tapped sub 15" LF drivers / 2 X Exponential mid bass 15" drivers / Tractrix 200Hz mid horns with JBL2482's, / Tractrix 550Hz upper wooden horns with factory refurb'd Vitavox S2's / Raal Lazy Ribbons as high frequency tweeters. Wires: good silver or good copper where best suited. DIY RCM.

    Maker of counterweights, tonearm boards, Tannoy GRF style speaker cabinets, horn speakers and more.
    For more information about my creations and products please click below
    http://fosworld.wix.com/magna-audio

  4. #464
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,016
    I'm Steve.

    Default Extra height armpod for ClearAudio unify arm

    This one is bound for Austria for a ClearAudio unify tonearm and will be used with a Jean Nantais Reference/Classic Lenco - this has a very high/thick plint arrangement hence the armpod height being 21.5 cm. +/- 5mm range is provided by the adjustable feet.

    Usual very heavy mass so it will not move in use and will provide the perfect off plinth mounting for the tonearm.














    (Please excuse the quality on this last one)
    System: Turntable : SP10 MKII slate plinth, Custom Ebony tonearm board, Arm : Fidelity Research FR64s, Cartridge : SPU Royal N. SUT : Lundahl 1:13. Phonostage : Icon Audio, Digital CD spinner, Serious USB->I2S streaming, ADC / DSP XO / Pre / 4 DAC's : WAF Najda, Poweramps : 3 x EL84 SET's, 2 x D class amps on bass channels, Speakers : 5 way front loaded horn system: 2 X Tapped sub 15" LF drivers / 2 X Exponential mid bass 15" drivers / Tractrix 200Hz mid horns with JBL2482's, / Tractrix 550Hz upper wooden horns with factory refurb'd Vitavox S2's / Raal Lazy Ribbons as high frequency tweeters. Wires: good silver or good copper where best suited. DIY RCM.

    Maker of counterweights, tonearm boards, Tannoy GRF style speaker cabinets, horn speakers and more.
    For more information about my creations and products please click below
    http://fosworld.wix.com/magna-audio

  5. #465
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,016
    I'm Steve.

    Default Ebony armboards, special weights and counterweights

    Here is a Technics SL-1210 ebony armboard for the USA. This one is for the SME M2-9 tone arm.




    This one a Technics SL-1210 ebony armboard kitted out for the Micro Seiki tone arm and extra hole for the arm rest.




    This one is a special for Hugo of Ammonite Audio.

    I bet you can't guess what it's spec'd for!





    At nearly 200g in weight - It's an arm damper weight for the Jelco arm




    Lastly a Counterweight with Nylon insert sleeve and double grub screws - 170g



    System: Turntable : SP10 MKII slate plinth, Custom Ebony tonearm board, Arm : Fidelity Research FR64s, Cartridge : SPU Royal N. SUT : Lundahl 1:13. Phonostage : Icon Audio, Digital CD spinner, Serious USB->I2S streaming, ADC / DSP XO / Pre / 4 DAC's : WAF Najda, Poweramps : 3 x EL84 SET's, 2 x D class amps on bass channels, Speakers : 5 way front loaded horn system: 2 X Tapped sub 15" LF drivers / 2 X Exponential mid bass 15" drivers / Tractrix 200Hz mid horns with JBL2482's, / Tractrix 550Hz upper wooden horns with factory refurb'd Vitavox S2's / Raal Lazy Ribbons as high frequency tweeters. Wires: good silver or good copper where best suited. DIY RCM.

    Maker of counterweights, tonearm boards, Tannoy GRF style speaker cabinets, horn speakers and more.
    For more information about my creations and products please click below
    http://fosworld.wix.com/magna-audio

  6. #466
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,016
    I'm Steve.

    Default

    Here's a link to what Hugo of Ammonite Audio says is going on with the Arm damper weight.

    http://theartofsound.net/forum/showt...721#post841721

    I'm going to try it on my Fidelity Research FR64s too!
    System: Turntable : SP10 MKII slate plinth, Custom Ebony tonearm board, Arm : Fidelity Research FR64s, Cartridge : SPU Royal N. SUT : Lundahl 1:13. Phonostage : Icon Audio, Digital CD spinner, Serious USB->I2S streaming, ADC / DSP XO / Pre / 4 DAC's : WAF Najda, Poweramps : 3 x EL84 SET's, 2 x D class amps on bass channels, Speakers : 5 way front loaded horn system: 2 X Tapped sub 15" LF drivers / 2 X Exponential mid bass 15" drivers / Tractrix 200Hz mid horns with JBL2482's, / Tractrix 550Hz upper wooden horns with factory refurb'd Vitavox S2's / Raal Lazy Ribbons as high frequency tweeters. Wires: good silver or good copper where best suited. DIY RCM.

    Maker of counterweights, tonearm boards, Tannoy GRF style speaker cabinets, horn speakers and more.
    For more information about my creations and products please click below
    http://fosworld.wix.com/magna-audio

  7. #467
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,016
    I'm Steve.

    Default Another Jelco arm damper weight

    This one for Peter. Will be in the post tomorrow.

    System: Turntable : SP10 MKII slate plinth, Custom Ebony tonearm board, Arm : Fidelity Research FR64s, Cartridge : SPU Royal N. SUT : Lundahl 1:13. Phonostage : Icon Audio, Digital CD spinner, Serious USB->I2S streaming, ADC / DSP XO / Pre / 4 DAC's : WAF Najda, Poweramps : 3 x EL84 SET's, 2 x D class amps on bass channels, Speakers : 5 way front loaded horn system: 2 X Tapped sub 15" LF drivers / 2 X Exponential mid bass 15" drivers / Tractrix 200Hz mid horns with JBL2482's, / Tractrix 550Hz upper wooden horns with factory refurb'd Vitavox S2's / Raal Lazy Ribbons as high frequency tweeters. Wires: good silver or good copper where best suited. DIY RCM.

    Maker of counterweights, tonearm boards, Tannoy GRF style speaker cabinets, horn speakers and more.
    For more information about my creations and products please click below
    http://fosworld.wix.com/magna-audio

  8. #468
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,016
    I'm Steve.

    Default Fidelity Research FR64s arm damper weight

    This one is for Hugo's FR64s.

    Pictured atop my FR64s

    I will give it a listen this evening, before posting off to Hugo tomorrow.







    Here's a link to what Hugo wrote about the sound changes of the damper weight on his Jelso tonearm

    http://theartofsound.net/forum/showt...721#post841721
    Last edited by speedy.steve; 10-03-2017 at 21:03.
    System: Turntable : SP10 MKII slate plinth, Custom Ebony tonearm board, Arm : Fidelity Research FR64s, Cartridge : SPU Royal N. SUT : Lundahl 1:13. Phonostage : Icon Audio, Digital CD spinner, Serious USB->I2S streaming, ADC / DSP XO / Pre / 4 DAC's : WAF Najda, Poweramps : 3 x EL84 SET's, 2 x D class amps on bass channels, Speakers : 5 way front loaded horn system: 2 X Tapped sub 15" LF drivers / 2 X Exponential mid bass 15" drivers / Tractrix 200Hz mid horns with JBL2482's, / Tractrix 550Hz upper wooden horns with factory refurb'd Vitavox S2's / Raal Lazy Ribbons as high frequency tweeters. Wires: good silver or good copper where best suited. DIY RCM.

    Maker of counterweights, tonearm boards, Tannoy GRF style speaker cabinets, horn speakers and more.
    For more information about my creations and products please click below
    http://fosworld.wix.com/magna-audio

  9. #469
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,016
    I'm Steve.

    Default Latest armboard and arm damper weight work

    SL-1210 Ebony armboard with SME mounting



    SL-1210 Ebony armboard with Micro Seiki armbase mounted



    Jelco arm damper weight



    System: Turntable : SP10 MKII slate plinth, Custom Ebony tonearm board, Arm : Fidelity Research FR64s, Cartridge : SPU Royal N. SUT : Lundahl 1:13. Phonostage : Icon Audio, Digital CD spinner, Serious USB->I2S streaming, ADC / DSP XO / Pre / 4 DAC's : WAF Najda, Poweramps : 3 x EL84 SET's, 2 x D class amps on bass channels, Speakers : 5 way front loaded horn system: 2 X Tapped sub 15" LF drivers / 2 X Exponential mid bass 15" drivers / Tractrix 200Hz mid horns with JBL2482's, / Tractrix 550Hz upper wooden horns with factory refurb'd Vitavox S2's / Raal Lazy Ribbons as high frequency tweeters. Wires: good silver or good copper where best suited. DIY RCM.

    Maker of counterweights, tonearm boards, Tannoy GRF style speaker cabinets, horn speakers and more.
    For more information about my creations and products please click below
    http://fosworld.wix.com/magna-audio

  10. #470
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,016
    I'm Steve.

    Default Jelco arm damper weight bound for Singapore

    System: Turntable : SP10 MKII slate plinth, Custom Ebony tonearm board, Arm : Fidelity Research FR64s, Cartridge : SPU Royal N. SUT : Lundahl 1:13. Phonostage : Icon Audio, Digital CD spinner, Serious USB->I2S streaming, ADC / DSP XO / Pre / 4 DAC's : WAF Najda, Poweramps : 3 x EL84 SET's, 2 x D class amps on bass channels, Speakers : 5 way front loaded horn system: 2 X Tapped sub 15" LF drivers / 2 X Exponential mid bass 15" drivers / Tractrix 200Hz mid horns with JBL2482's, / Tractrix 550Hz upper wooden horns with factory refurb'd Vitavox S2's / Raal Lazy Ribbons as high frequency tweeters. Wires: good silver or good copper where best suited. DIY RCM.

    Maker of counterweights, tonearm boards, Tannoy GRF style speaker cabinets, horn speakers and more.
    For more information about my creations and products please click below
    http://fosworld.wix.com/magna-audio

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