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Thread: Magna Audio News & Product Updates

  1. #51
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,855
    I'm Steve.

    Default

    A few of the latest projects I been working on.

    Replacement brass push button knobs for a heavy weight classic Pioneer amplifier.
    These are tiny at 4mm diameter and 8mm long with a 1/8" hole to fit to the plastic part.

    The replacements are machined in brass and longer than the originals so they can be fitted over the sheared off plastic stub left behind once broken.
    The two left most are the originals that are prone to snapping. The 3 to the right are the new ones. The loose ones are spares.



    An ebony tonearm board. Bound for Italy for a Technics SL-1210 deck. Drilled for a Audiomods (Rega converted) arm.



    My armboards are of 25mm overall thickness and supplied with easy to fit kit.
    Last edited by Magna Audio; 08-10-2017 at 14:48.
    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. #52
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,855
    I'm Steve.

    Default

    Here is the above armboard mounted up on the customers deck with beautiful Audiomods arm (photos reproduced courtesy of the owner/customer - many thanks EU 73)

    Last edited by Magna Audio; 08-10-2017 at 14:49.
    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. #53
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,855
    I'm Steve.

    Default

    A couple of projects I've been working on

    The first of 4 jobs for BobC of the Wam - vertical supports. Machined, drilled and threaded.



    An ebony armboard for a Jelco arm for Tannoy man


    Last edited by Magna Audio; 08-10-2017 at 14:50.
    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. #54
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,855
    I'm Steve.

    Default

    Here are a couple of projects for Rexton

    Armboard for SL-1210 with SME V fitting.



    A counter weight in 303 Stainless steel specified for an SME 3012 tonearm. The original weight was too light for the intended cartridge / headshell and was nearly off the back of the arm stub. This baby will balance things nicely.

    Last edited by Magna Audio; 08-10-2017 at 14:52.
    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. #55
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,855
    I'm Steve.

    Default

    RJC Audio have ordered an armpod for the Cusworth Signature Plinth from me.
    Design, dimensions and wood supplied by RJC Audio.

    I have machined an armboard to suit the SME arm fitting, a plinth surround (both seen here in waxed English Walnut) and 4 brass threaded pillars. Once assembled with cap head bolts the armpod is very rigid / stable.



    For future armpods the base will be turned from solid brass and will not have the SME slot in it.

    Assembled, the armpod will not be in contact with the plinth



    Side view of the plinth cover flange

    Last edited by Magna Audio; 08-10-2017 at 14:55.
    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. #56
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,855
    I'm Steve.

    Default

    Here is a finished SME3012 extra heavy counterweight including drillings and grubscrew for slider bar for the fine balance weight.

    Last edited by Magna Audio; 08-10-2017 at 14:57.
    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. #57
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,855
    I'm Steve.

    Default

    After a nice holiday break, it's time for an update on some of the projects I've recently been working on.

    First up is a Tannoy crossover setup. As requested I have made up birch ply boxes and modified the crossover wiring so that bi-amping is possible.
    Birch ply was spec'd but I can make then in any wood of course.
    This will enable for example a beefy Push Pull amp to be drive the LF and for example a SET amp on the HF. Simply bridging the inputs will of course allow single amp use.

    The internals had already been reworked with new caps etc.
    I tested them on my bass and treble horns and they sounded great.



    Next up was a set of jobs for the mystery prototype turntable project that I've made parts for before.

    Internal brass bases / mounts



    More polished brass feet / an On/Off knob



    and a pair of copper armboard plates and smaller plates that were cut out elsewhere but required de-burring, scratch and ding removal and polishing.



    (My phone camera failed to capture these well I'm afraid)

    More projects are on the go - so watch this space.
    Last edited by Magna Audio; 08-10-2017 at 15:02.
    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. #58
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,855
    I'm Steve.

    Default

    Here's an ebony armboard for another very nice TD-124 / Audio Technica arm, this time a 9.5" one!
    Arm hole and rest drillings, and I fitted the arm / armboard too.

    Last edited by Magna Audio; 08-10-2017 at 15:04.
    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/

  9. #59
    Join Date: Nov 2012

    Location: London

    Posts: 756
    I'm paul.

    Default

    Quote Originally Posted by speedy.steve View Post
    Here's an ebony armboard for another very nice TD-124 / Audio Technica arm, this time a 9.5" one!
    Arm hole and rest drillings, and I fitted the arm / armboard too.





    beautiful work as usual Steve, I bet that looks incredible in the flesh and what a delight it will be for the owner
    cheers
    Paul
    Truth is always new, totally unknown, and unknowable. The mind must come to it without any demand, without any knowledge,without any wish; it must be empty, completely naked. Then only truth may happen. But you cannot invite it.
    JK Hamburg 1956,Talk 4

  10. #60
    Join Date: Mar 2009

    Location: The New Forest

    Posts: 1,855
    I'm Steve.

    Default

    Yes, I can just see a nice bit o vinyl on there spinning away and the anticipation after the needle drop...
    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/

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