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Thread: Top CD player wanted

  1. #81
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,683
    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: 1,501
    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: 691
    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: Win10 server, Win10 Mini-ITX Renderer running JRiver & Tidal/Roon
    DAC / Preamp: Perreaux DP32, Secondary DAC:
    Chevron Paradox
    Amp: Radford Revival STA25, TubeHunter Class D IRS2092
    Speakers:, Tannoy Eatons, Kudos Cardea C2, BatPure Supertweeters (and others)
    Power Conditioner: ISOtek Qube 1k
    Currently resting: Radford Revival Prototype preamp, Paul Baldwin 405C amp, PMC LB1 Signature

  4. #84
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,683
    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: 1,501
    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: 17,054
    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) : AMG Giro turntable, AMG 9W2 tonearm, Air Tight PC3 cartridge, Passlabs Xono phonostage, AMG Reference armcable. Marantz CD7 CD player, Sony HAP Z1es Digital File Player + Audioquest Jitter Bug, AMR DP777 DAC + HP laptop + iFi Audio i power, Wireworld Starlight USB + Audioquest Jitter Bug, for computer audio, Audio Valve RKV2 headphone amp, headphones Grado GS 1000, Nakamichi CR5e tape deck, Balanced Audio Technology VK300se integrated amplifier, Anthony Gallo Reference 3.1 speakers. Cabling: Signal - Atlas Mavros, Audience AU24, Speaker - Atlas Mavros. Mains Cabling: Audience AU24, Analysis Plus, TCI. Mark Grant distribution blocks, Equipment tables Target Audio B series.

    System 2 (Music Room) : Loricraft Garrard 401 turntable + SME 5 tonearm + VDH MC10 cartridge + Graham IC70 tonearm cable, Modified Technics 1200 turntable + Triplannar 7 tonearm + VDH Frog Gold cartridge + Paul Hynes SR7 PSU, SME Model 20 turntable + Graham Phantom tonearm + Ortofon MC5200 cartridge + Graham IC70 tonearm cable, Balanced Audio Technology VK10se phonostage, Moon Andromeda CD player, Esoteric P5 SACD transport and P 5 DAC, Toshiba 9500 DVD Audio player, AMR DP777 DAC + Dell Laptop + iFi Audio i power + JKenny JKSPIDIF + Wireworld Starlight USB - for computer audio, Kenwood 8300 tuner, Revox B760 tuner, Magnum Dynalab signal sleuth, Leak Troughline tuner + EAR Stereo decoder, Revox B77 mk 2 & Revox A77 mk3 reel to reel recorders, Balanced Audio Technology VK52se pre-amplifier, Music Reference RM200 mk1 power-amplifier, Anthony Gallo Reference 3.5 speakers. Cabling: Signal/Speaker - Audience AU24, XLO Type6. Mains Cabling: Audience AU24, TCI. Mains distribution blocks Mark Grant and Russ Andrews, Equipment tables Clear Light Audio.

  7. #87
    Join Date: Dec 2015

    Location: Alicante. Spain.

    Posts: 1,683
    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: 1,501
    I'm Lawrence.

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    Fingers crossed it's the valves.

  9. #89
    Join Date: Jan 2016

    Location: Shenfield

    Posts: 380
    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: 1,683
    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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