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Thread: Tron Convergence, with Firebottle modifications.

  1. #11
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 3,499
    I'm Oliver.

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    Analogue art suggests picture of arty persuasion ! Ok, can we move it ?

    Sent from my EVA-L09 using Tapatalk
    Technics SP10 MK2 > Phonomac AT-1010 tonearm > ZYX R50 Bloom cartridge > Jolida JD9 MKII > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  2. #12
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 3,499
    I'm Oliver.

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    Review added!

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    Technics SP10 MK2 > Phonomac AT-1010 tonearm > ZYX R50 Bloom cartridge > Jolida JD9 MKII > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  3. #13
    Join Date: Jul 2010

    Location: Cheltenham

    Posts: 711
    I'm Charlie.

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    Oliver,

    Nice review. I agree that it sounds very open with very good sound staging and great dynamics. The attack on the Convergence is particularly noticeable on percussion and piano (the hardest instrument to get right IMHO). It made my Allaerts MC1B cartridge sound almost like a Decca, when I heard it. http://topoxforddoc.zenfolio.com/blo...ce-phono-stage

    It is one of the quietist phono stages I have heard - exceptionally so at that price point. This is really important if you use high efficiency horns, like my 104 dB/W Avantgardes, as any circuit noise gets picked up instantly. For instance I can't use my Radford STA15/III with my horns, as the noise is intrusive, even though the STA sounds really sweet.

    I should have a listen to one of Firebottle's phono stages, if only for educational reasons. I think it is amazing if Alan can produce a phono stage as good as or better than the TRON at the price point, particularly given the costs of production engineering and regulatory costs, such as CE certification (which isn't insignificant for a small volume manufacturer).

  4. #14
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 3,499
    I'm Oliver.

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    Quote Originally Posted by topoxforddoc View Post
    Oliver,

    Nice review. I agree that it sounds very open with very good sound staging and great dynamics. The attack on the Convergence is particularly noticeable on percussion and piano (the hardest instrument to get right IMHO). It made my Allaerts MC1B cartridge sound almost like a Decca, when I heard it. http://topoxforddoc.zenfolio.com/blo...ce-phono-stage

    It is one of the quietist phono stages I have heard - exceptionally so at that price point. This is really important if you use high efficiency horns, like my 104 dB/W Avantgardes, as any circuit noise gets picked up instantly. For instance I can't use my Radford STA15/III with my horns, as the noise is intrusive, even though the STA sounds really sweet.

    I should have a listen to one of Firebottle's phono stages, if only for educational reasons. I think it is amazing if Alan can produce a phono stage as good as or better than the TRON at the price point, particularly given the costs of production engineering and regulatory costs, such as CE certification (which isn't insignificant for a small volume manufacturer).
    Thanks!

    I like the Tron and it definitely does a lot right IMO. The quietness is something to be impressed by too. Its impressive.

    I recommend listening to a Firebottle Vivant, for educational purposes of course 😉



    Sent from my EVA-L09 using Tapatalk
    Technics SP10 MK2 > Phonomac AT-1010 tonearm > ZYX R50 Bloom cartridge > Jolida JD9 MKII > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  5. #15
    Join Date: Jan 2013

    Location: Birmingham

    Posts: 3,163
    I'm James.

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    Quote Originally Posted by topoxforddoc View Post
    Oliver,

    Nice review. I agree that it sounds very open with very good sound staging and great dynamics. The attack on the Convergence is particularly noticeable on percussion and piano (the hardest instrument to get right IMHO). It made my Allaerts MC1B cartridge sound almost like a Decca, when I heard it. http://topoxforddoc.zenfolio.com/blo...ce-phono-stage

    It is one of the quietist phono stages I have heard - exceptionally so at that price point. This is really important if you use high efficiency horns, like my 104 dB/W Avantgardes, as any circuit noise gets picked up instantly. For instance I can't use my Radford STA15/III with my horns, as the noise is intrusive, even though the STA sounds really sweet.

    I should have a listen to one of Firebottle's phono stages, if only for educational reasons. I think it is amazing if Alan can produce a phono stage as good as or better than the TRON at the price point, particularly given the costs of production engineering and regulatory costs, such as CE certification (which isn't insignificant for a small volume manufacturer).
    Not sure if Firebottle's have CE certification, so maybe Alan can comment?
    VPI Scout 1.1 / JMW 9T Tonearm / 2M Black /Croft 25R+ / Croft 7 / Spendor SP2

  6. #16
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 3,759
    I'm Alan.

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    Self certification with a Technical File is all that is required.

  7. #17
    Join Date: Jan 2009

    Location: Sheffield - UK

    Posts: 5,799
    I'm Mark.

    Default Tron Convergence

    CE certification for small electronics companies isn't particularly arduous. As above, self certification is quite legal and easy to do. However, that's not to say there aren't many other hidden costs.

    A 'quiet' phonostage, in that it adds very little noise of its own, is an absolute must as far as I am concerned - otherwise a genuinely wide dynamic range is impossible. This is particularly difficult to achieve with MC valve stages and the primary problem I encountered when I tried one of Alan's designs.

    100% Analogue

  8. #18
    Join Date: May 2017

    Location: Higher Denham, Uxbridge, UK

    Posts: 9
    I'm Graham.

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    Quote Originally Posted by Firebottle View Post
    Self certification with a Technical File is all that is required.
    You might want to check this again because the rules were updated a few years ago. A manufacturer can self certify but they must have all the documentation and evidence to back up their tests for CE approval and this is the expensive bit. Conformity now includes the EMC (Electro Magnetic Compatibility) directive which requires a lot of very expensive test equipment and an EMC testing laboratory and RFI chamber - think upwards of 500,000 for this which is why most manufacturers go to a dedicated testing facility to obtain the documentation/conformity.

    The EMC Directive covers apparatus sold as single functional units to end users, which are either liable to generate electromagnetic disturbance, or could see their performance affected by it.

    If an enforcement body finds your product does not meet CE marking requirements, they will often provide you with an opportunity to ensure it is correctly CE marked. If you fail to comply with this, you will be obliged to take your product off the market. You may also be liable for a fine (20,000) and imprisonment.

    Technical documentation.
    Annex II to the EMC Directive requires the manufacturer to establish the technical documentation. The technical documents must enable the assessment of the conformity of the appliance with the requirements of the Directive.
    The technical documentation should comprise:
    A general description of the apparatus; conceptual design and manufacturing drawings and schemes of components, sub-assemblies, circuits, etc.; descriptions and explanations necessary for the understanding of those drawings and schemes and the operation of the apparatus; Evidence of compliance with the harmonised standards, if any, applied in full or in part; Where the manufacturer has not applied harmonised standards, or has applied them only in part, a description and explanation of the solution adopted to meet the essential requirements of the Directive, including a list of other relevant technical specifications applied; results of design calculations made, examinations carried out, test reports, etc;
    A statement from the notified body, when the procedure referred to in Annex III has been followed. The manufacturer or his authorised representative established in the European Union is requested to keep copies of the technical documentation for a period of 10 years after the last product was placed on the market.
    Graham Tricker
    G T Audio/AudioMeister/TRON
    01895 833099

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  9. #19
    Join Date: Mar 2017

    Location: Melbourne

    Posts: 51
    I'm Karl.

    Default

    Nice write up mate! What are the mods you are having done ?
    Rega hybrid TT (RP6 motor, rb303 arm with cardas rewire, eichmann bullets and xtc underslung counterweight,tizo acrylic platter,groovetracer sub and bearing,tangospinner(clamp,isolation feet and brass double pulley),zebra wood plinth, michael lim bracing) / Soundsmith cartridge / custom designed TT power supply / Firebottle Phono stage / Rega Brio R / Marantz cd6005 / Q Acoustics 3050 / QED reference 40 interconnect /QED signature revelation cable / Atacama Equinox rack

  10. #20
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 3,499
    I'm Oliver.

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    Quote Originally Posted by Bigbird View Post
    Nice write up mate! What are the mods you are having done ?
    Well, thats one for a separate message lol

    Ill be in touch. 😉

    Sent from my EVA-L09 using Tapatalk
    Technics SP10 MK2 > Phonomac AT-1010 tonearm > ZYX R50 Bloom cartridge > Jolida JD9 MKII > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

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