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Thread: Magna Audio's custom-made counterweight balance and armboard service!

  1. #561
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,261
    I'm Steve.

    Default

    Latest solid Ebony armboard for a SL-1210 to fit a SME arm.





    Sent from my Pixel XL using Tapatalk
    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, Streaming RPi/Kali reclocker -> I2S -> DSP XO / Pre / 4 DAC's : WAF Najda, 5 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 tonearm boards, armpods, Tannoy GRF style speaker cabinets, horn speakers, counterweights and more.
    For more information about my creations and products please click below

    http://fosworld.wixsite.com/magna-audio & on Instagram https://www.instagram.com/magna_audio/

  2. #562
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,261
    I'm Steve.

    Default

    A thick headshell spacer in ebony.
    I was asked to make a 10mm thick headshell spacer.
    Pictured here on my test headshell.







    Sent from my Pixel XL using Tapatalk
    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, Streaming RPi/Kali reclocker -> I2S -> DSP XO / Pre / 4 DAC's : WAF Najda, 5 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 tonearm boards, armpods, Tannoy GRF style speaker cabinets, horn speakers, counterweights and more.
    For more information about my creations and products please click below

    http://fosworld.wixsite.com/magna-audio & on Instagram https://www.instagram.com/magna_audio/

  3. #563
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,261
    I'm Steve.

    Default

    Here's a solid ebony armboard for the Technics SL-1210mkII.
    This one is to fit an Ortofon TA110 tonearm.
    Easy fitting from above using my bespoke fitting kit.
    I get quite a few enquiries for fast change boards, so more than one arm can easily be used.
    Just three bolts and it's out.
    I also do a bolted from underneath fitting.





    Sent from my Pixel XL using Tapatalk
    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, Streaming RPi/Kali reclocker -> I2S -> DSP XO / Pre / 4 DAC's : WAF Najda, 5 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 tonearm boards, armpods, Tannoy GRF style speaker cabinets, horn speakers, counterweights and more.
    For more information about my creations and products please click below

    http://fosworld.wixsite.com/magna-audio & on Instagram https://www.instagram.com/magna_audio/

  4. #564
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,261
    I'm Steve.

    Default

    Step Up Transformer sort out project.
    These were very nice 1:100 transformers put in a turned barrel style case, all done by someone else..
    Problem was the transformers were not shielded. There was an attempt at shielding but the face plate was wooden.
    They hummed big time.

    I totally encapsulated the transformer assembly in MUmetal. I turned a copper faceplate that I MUmetal lined.
    I mounted the transformer sandwich construction to the faceplate using brass threaded spacers. Transposed the phono sockets and wiring.
    Then I MUmetal covered the wiring area.
    Tested on my system.
    No hum





















    Sent from my Pixel XL using Tapatalk
    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, Streaming RPi/Kali reclocker -> I2S -> DSP XO / Pre / 4 DAC's : WAF Najda, 5 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 tonearm boards, armpods, Tannoy GRF style speaker cabinets, horn speakers, counterweights and more.
    For more information about my creations and products please click below

    http://fosworld.wixsite.com/magna-audio & on Instagram https://www.instagram.com/magna_audio/

  5. #565
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,261
    I'm Steve.

    Default

    A pair of screw on horn fitting adapters for the amazing Vitavox S2 compression drivers.
    Under creation.

    Made to original format.

    From 4" round bar stock.

    Features large 16 threads per inch imperial screw thread cutting

    Then tested for smooth fit on my own Vitavox S2 drivers.

    Original Imperial thread fitting studs to go - unique to Magna Audio

    Last edited by Magna Audio; 09-05-2019 at 17:58.
    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, Streaming RPi/Kali reclocker -> I2S -> DSP XO / Pre / 4 DAC's : WAF Najda, 5 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 tonearm boards, armpods, Tannoy GRF style speaker cabinets, horn speakers, counterweights and more.
    For more information about my creations and products please click below

    http://fosworld.wixsite.com/magna-audio & on Instagram https://www.instagram.com/magna_audio/

  6. #566
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,261
    I'm Steve.

    Default

    The pair of Vitavox S2 compression driver to loudspeaker horn fitting rings are now tapped and fitted with Imperial threaded studs, washers and nuts.

    All ready to be sent to their new home in Canada.







    Sent from my Pixel XL using Tapatalk
    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, Streaming RPi/Kali reclocker -> I2S -> DSP XO / Pre / 4 DAC's : WAF Najda, 5 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 tonearm boards, armpods, Tannoy GRF style speaker cabinets, horn speakers, counterweights and more.
    For more information about my creations and products please click below

    http://fosworld.wixsite.com/magna-audio & on Instagram https://www.instagram.com/magna_audio/

  7. #567
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,261
    I'm Steve.

    Default

    Voyd armboard or rather 4mm thick solid brass armplate!

    Cut and shaped, drilled for the Voyd 4 hole mounting and SME arm fitting threaded for the arm mounting bolts.

    Shown in reverse progress order.












    Sent from my Pixel XL using Tapatalk
    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, Streaming RPi/Kali reclocker -> I2S -> DSP XO / Pre / 4 DAC's : WAF Najda, 5 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 tonearm boards, armpods, Tannoy GRF style speaker cabinets, horn speakers, counterweights and more.
    For more information about my creations and products please click below

    http://fosworld.wixsite.com/magna-audio & on Instagram https://www.instagram.com/magna_audio/

  8. #568
    Join Date: Nov 2011

    Location: Manchester, UK

    Posts: 211
    I'm Simon.

    Default

    I recognise that SUT, it has very fine sounding Slagle transformers, but needed rather careful placement... lovely job
    SJS Arcadia Line Level Pre-amplifiers, Headphone amps, MM Phono Stages and SET Power amps - service, repairs, upgrades

  9. #569
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,261
    I'm Steve.

    Default

    An African Blackwood armboard bound for Australia. For a custom deck to fit a Reed 3p tonearm.
    Threaded inserts fitted for mounting the armbase.









    Sent from my Pixel XL using Tapatalk
    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, Streaming RPi/Kali reclocker -> I2S -> DSP XO / Pre / 4 DAC's : WAF Najda, 5 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 tonearm boards, armpods, Tannoy GRF style speaker cabinets, horn speakers, counterweights and more.
    For more information about my creations and products please click below

    http://fosworld.wixsite.com/magna-audio & on Instagram https://www.instagram.com/magna_audio/

  10. #570
    Join Date: Apr 2011

    Location: London

    Posts: 3,610
    I'm Robert.

    Default

    Man! these armboards
    My System:
    Amplification - Sansui AU-alpha 707 DR
    Turntable - Modified Technics SL1210 MK5G
    Mike New precision bearing, bearing base plate, ETP Platter
    Micro Seiki MA-202 tonearm, rewired, hybrid ceramic bearings
    Ortofon Cadenza Black moving coil cartridge - Fritz Gyger S re-tip
    Yannis Tome 423.5 Silver-Litz tonearm cable with KLEI Pure Silver Harmony plugs
    Ebony armboard
    Audio Technica MS-8 Magnesium headshell, Ortofon pure silver headshell leads
    Isonoe Isolation Feet
    Paul Hynes SR7EHD PSU (plus regulator modules), DCSXL pure-silver DC lead with Jaegar low impedance connector
    CDP - Pioneer PD-91
    Speakers - Spendor D7 on Soundcare SuperSpikes
    QED Silver Spiral speaker cable, Airlock plugs - bare wire amp end.
    Mains - Ultra Pure silver plated un-switched socket, Missing link EPS 500 silver plated plugs with Hi-Fi Tuning gold plated silver ceramic 13 amp fuses

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