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Thread: Single ended to balanced conversion....

  1. #1
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,700
    I'm Adrian.

    Default Single ended to balanced conversion....

    So I've just put a payment down on this lovely amplifier (no more looking for Leben) but I have slight problem - the amp only has balanced inputs and my the Truth is single ended - so can I have a pair of interconnects made up that are single ended to balanced? Are there any high quality converter plugs?



    Technics SP10 mk2
    Jan Allaerts MC 1 Boron mk1 cart
    Miyajima Shilabe cart
    Hashimoto HM-X SUT
    Siggwan (gimballed not unipivot) Cocobola 12"
    Aurorasound Vida LCR Phonostage
    The Truth linestage
    Dave Slagle Autoformer Volume Controller
    Cary 805c SET amps
    Audio Note ANe-SPX speakers
    Townshend Isolda speaker cables
    Cardas Golden Presence interconnects

  2. #2
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 47,972
    I'm Grant.

    Default

    ooohhh, very nice Adrian.. that is a bosker
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
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    OPPO BDP-103D DARBEE - JBE SERIES 3/B&O SP1/EMOTIVA XPS1/12V BATTERY - TWIN PRO MONOBLOCK AMPLIFIERS - XIANG SHENG DAC\PRE\HEADPHONE AMP\WE TUBED - TWIN AVANTREE OASIS CLASS 1 BLUETOOTHS - AUDIO TECHNICA ATH-MSR7 & OPPO PM-3 PLANAR HEADPHONES - WIN10, AUDIRVANA 3 PLUS, TIDAL - SMSL M6 MINIDAC - RPI/AUDIOPHONICS/VOLUMIO/5V BATTERY - FULL RANGE TWIN TELEFUNKEN/Q ACOUSTIC BT3/CANTON SUB - P.INSPIRED MAINS REGENERATED.

  3. #3
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,700
    I'm Adrian.

    Default

    Thanks - it's the Ref 75 - after a lot of reading and chat wth Tom it won me over.
    Technics SP10 mk2
    Jan Allaerts MC 1 Boron mk1 cart
    Miyajima Shilabe cart
    Hashimoto HM-X SUT
    Siggwan (gimballed not unipivot) Cocobola 12"
    Aurorasound Vida LCR Phonostage
    The Truth linestage
    Dave Slagle Autoformer Volume Controller
    Cary 805c SET amps
    Audio Note ANe-SPX speakers
    Townshend Isolda speaker cables
    Cardas Golden Presence interconnects

  4. #4
    Join Date: Jan 2009

    Location: Essex

    Posts: 18,642
    I'm openingabottleofwine.

    Default

    The quick answer is yes - XLR to RCA adaptors are readily available. All they do is connect the -ve going input to ground. (I use a pair on my Quad 520 amp.)
    Have you listened to this month's choice in the Album Club?

    Barry

  5. #5
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,700
    I'm Adrian.

    Default

    Quote Originally Posted by Barry View Post
    The quick answer is yes - XLR to RCA adaptors are readily available. All they do is connect the -ve going input to ground. (I use a pair on my Quad 520 amp.)
    World you recommend a custom build? Or is the quality okay?
    Technics SP10 mk2
    Jan Allaerts MC 1 Boron mk1 cart
    Miyajima Shilabe cart
    Hashimoto HM-X SUT
    Siggwan (gimballed not unipivot) Cocobola 12"
    Aurorasound Vida LCR Phonostage
    The Truth linestage
    Dave Slagle Autoformer Volume Controller
    Cary 805c SET amps
    Audio Note ANe-SPX speakers
    Townshend Isolda speaker cables
    Cardas Golden Presence interconnects

  6. #6
    Join Date: Jan 2009

    Location: Essex

    Posts: 18,642
    I'm openingabottleofwine.

    Default

    The quick answer is yes - XLR to RCA adapters are readily available. What they do is connect the -ve going input to ground. (I use a pair with a Quad 520 amp in one of my systems.)

    If you are looking for high quality adapters, then I would recommend those made by Neutrik: https://www.amazon.co.uk/NEUTRIK-SIL...lr+rca+adapter
    Have you listened to this month's choice in the Album Club?

    Barry

  7. #7
    Join Date: Nov 2008

    Location: Belfast/Northern Ireland/UK

    Posts: 17,437
    I'm Neil.

    Default

    Go with a Cardas Rca/XLR adaptor there is a difference in sound quality between that and cheap Chinese crap, and I think they have the edge on Neutrik. Cardas do two levels of quality I would go the extra and get the better of the two.

    http://www.cardas.com/adaptors.php
    Regards Neil

    System 1 (Living Room) : Vinyl: AMG Giro Turntable, AMG 9W2 Tonearm, AMG Reference Armcable, Air Tight PC3 MC Cartridge PhonoStage: Passlabs Xono Digital: Esoteric P5 SACD Transport and Esoteric P 5 DAC, Sony HAP Z1es Digital File Player + Audioquest Jitter Bug, Computer Audio: Veracity Audio Mystra DAC + HP laptop + iFi Audio i Power, Wireworld Starlight USB + Audioquest Jitter Bug Tuner:Kenwood KT 7020 + Magnum Dynalab Signal Sleuth FM Amplifier Cassette Tape: Nakamichi CR5e Integrated Amplifier: Balanced Audio Technology VK300se Speakers: Anthony Gallo Reference 3.1 Audio Cabling: Signal - Atlas Mavros, Audience AU24 Speaker - Atlas Mavros. Mains Cabling: Audience AU24, Analysis Plus, TCI. Mains Distribution: Mark Grant Distribution Blocks, Mark Grant DC Blocker Equipment Tables: Target Audio B series + Track Audio Isolation Spikes Isolation/ Platforms: Bright Star Audio Isonodes, BASE 01, SSC Platforms.

    System 2 (Music Room) : Vinyl: Turntable 1 Loricraft Garrard 401 Turntable + SME 5 Tonearm, Graham IC70 Tonearm Cable + VDH MC10 cartridge Turntable 2 Modified Technics 1200 turntable + Triplannar 7 Tonearm + VDH Frog Gold Cartridge + Paul Hynes SR7 PSU Turntable 3 SME Model 20 Turntable + Graham Phantom Tonearm + Graham IC70 Tonearm Cable, Ortofon MC5200 Cartridge PhonoStage: Balanced Audio Technology VK10se Digital: Moon Andromeda CD Player, Toshiba 9500 DVD Audio Player Computer Audio: AMR DP777 DAC + Dell Laptop + iFi Audio i Power + JKenny JKSPIDIF + Wireworld Starlight USB Tuners: Kenwood 8300 Tuner, Revox B760 Tuner, Leak Troughline Tuner + EAR Stereo Decoder ReelToReel Tape: Revox B77 mk 2, Revox A77 mk3, Sony TC-377 Cassette Tape: Nakamichi DR10 Headphone: Audio Valve RKV2 OTL Valve Headphone Amp, Headphones Grado GS 1000, Sennheiser 560 Ovation2, Sennheiser 410SL Pre-Amplifier: Balanced Audio Technology VK52se Power-Amplifier: Music Reference RM200 mk1 Speakers: Anthony Gallo Reference 3.5 Audio Cabling: Signal - Audience AU24, Kimber KCAG, Audio Note ANVs, Barry Hunt Cables Speaker - XLO Type 6. Mains Cabling: Audience AU24, TCI. Mains Distribution: Mark Grant and Russ Andrews Equipment Tables: Clear Light Audio Aspekt Tacks Isolation/Platform: SSC, Bright Star Audio Isonodes, Naim Frame Record Cleaner: Hanns Audio

  8. #8
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,700
    I'm Adrian.

    Default

    Thanks guys - Cardas looks like a good choice.
    Technics SP10 mk2
    Jan Allaerts MC 1 Boron mk1 cart
    Miyajima Shilabe cart
    Hashimoto HM-X SUT
    Siggwan (gimballed not unipivot) Cocobola 12"
    Aurorasound Vida LCR Phonostage
    The Truth linestage
    Dave Slagle Autoformer Volume Controller
    Cary 805c SET amps
    Audio Note ANe-SPX speakers
    Townshend Isolda speaker cables
    Cardas Golden Presence interconnects

  9. #9
    Join Date: Oct 2016

    Location: Bolton, England

    Posts: 1,421
    I'm Andrew.

    Default

    This is a far more complicated subject than it may appear. Your Truth has a single-ended output so you can really only feed the Audio Research with an unbalanced signal. The simple solution is to use one of those adaptors which was linked-to above, but all it does is feed the unbalanced signal to pins 1 and 2 of the XLR and link pin 3 (the unused pin) to pin 1. At least, I assume pin 3 is linked to pin 1 - they rarely bother to tell you in the adverts.
    However, there's another option: instead of linking pin 3 to pin 1 you could use balanced cable and link pin 3 to the the ground side of the RCA plug at the RCA end. The idea is that you still get some of the benefits of a balanced line. Wire it like the top picture in this image


    Will there be much difference in practice? Somehow I doubt it, but bear in mind that I'm one of those cloth-eared fools who thinks mains cables don't make any difference.

  10. #10
    Join Date: Oct 2016

    Location: Bolton, England

    Posts: 1,421
    I'm Andrew.

    Default

    BTW, I just found this from Genelec:

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