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Thread: Top CD player wanted

  1. #81
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,700
    I'm Adrian.

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    Update. Running direct into the ref 75 is a revelation in comparison to using the variable via the Truth. It sounds awesome - but.... Unless I'm going deaf in one ear there's a channel imbalance and no way of correcting it. It's consistent across CDs and very very obvious.

    I've spoken to Resolution who say it could be a failing DAC chip (very expensive to sort out). But I need to do some experimenting - the Opus is the first source I've tried direct to amp and maybe the issue is the amp.

    The reason I might not have heard this with the vinyl rig going into the truth is that the truth has no fixed balance point - so I might have unwittingly been compensating for the drop in volume on one channel.

    It's easy to check if it is the cd - and I'll do that this morning.

    It's also easy to check if it's half dead valves in one channel of the ref 75 - if it's not the valves then maybe the amp has a fault - which will really really piss me off and might not be easy to fix here in Spain.

    If it's the Opus then I will be asking eBay for a refund.

    Bugger
    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. #82
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 1,759
    I'm Lawrence.

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    I really feel for you, I know how frustrating it is to buy a nice piece of kit and then find a problem with it, sometimes it makes me feel like giving up and selling it all off. But I've persevered in the past and have always got it sorted so far (or got an eBay refund). Have you tried swapping the outputs around if it goes to the other channel then it's the Cd or player (or cable, next swap them to rule that out), if it stays where it is it's probably the amp.

  3. #83
    Join Date: Mar 2017

    Location: London N2

    Posts: 901
    I'm Edward.

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    Also try the single ended outputs of the cdp if you are using the balanced outputs - or vice versa.
    Source: Tidal/Roon
    DAC: Metrum HEX NOS

    Amp: Sugden Masterclass 2018 spec, Radford Revival STA25,
    Speakers: Tannoy Eaton


  4. #84
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,700
    I'm Adrian.

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    Quote Originally Posted by Lawrence001 View Post
    I really feel for you, I know how frustrating it is to buy a nice piece of kit and then find a problem with it, sometimes it makes me feel like giving up and selling it all off. But I've persevered in the past and have always got it sorted so far (or got an eBay refund). Have you tried swapping the outputs around if it goes to the other channel then it's the Cd or player (or cable, next swap them to rule that out), if it stays where it is it's probably the amp.
    That's my plan for today - swapping things out to find the problem. I think I'd be happier if it's a valve problem as this is easily fixed. Returning the CDP and going through the eBay crap is never much fun.
    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

  5. #85
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 1,759
    I'm Lawrence.

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    Quote Originally Posted by farflungstar View Post
    That's my plan for today - swapping things out to find the problem. I think I'd be happier if it's a valve problem as this is easily fixed. Returning the CDP and going through the eBay crap is never much fun.
    Agreed, don't end up paying the return postage eBay do a print label option but I'm not sure what happens if you buy from overseas. Hopefully the seller would agree to pay if it came to that.

    Sent from my BLN-L21 using Tapatalk

  6. #86
    Join Date: Nov 2008

    Location: Belfast/Northern Ireland/UK

    Posts: 17,268
    I'm Neil.

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    If its the amp the problem won't move, by swapping left for right and right to left interconnect. If the CD player is the problem it will move. It could be the interconnect so trying another is also worth doing.
    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:Magnum Dynalab MD102 + 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

  7. #87
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,700
    I'm Adrian.

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    It's not the CDP. Its not the interconnects. It's not the speakers. It's the amplifier. I'm about to swap over the power valves and see if that is the problem. It's a quartet of matched kT120. If they are the problem can I mix them to see if that helps? Or should I just wait and order new ones? If it's not the power valves I'll try swapping the signal valves. If it's not the valves then I'm in trouble!
    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

  8. #88
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 1,759
    I'm Lawrence.

    Default

    Fingers crossed it's the valves.

  9. #89
    Join Date: Jan 2016

    Location: Shenfield

    Posts: 400
    I'm Slav.

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    Try swapping small signal valves first , power valves shouldn't make that much difference when aged .

  10. #90
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,700
    I'm Adrian.

    Default

    Quote Originally Posted by mac72 View Post
    Try swapping small signal valves first , power valves shouldn't make that much difference when aged .
    Yeah swapped power - same. Now swapped signal - waiting to stabilise. If it's not these then I've tried everything possible.
    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

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