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Thread: Akai GX-635D

  1. #1
    Join Date: Apr 2013

    Location: Solihull, UK

    Posts: 235
    I'm Bob.

    Default Akai GX-635D

    I'm pondering a bid on the above deck.

    All reads quite well except for:-

    "The tape transport uses sophisticated logic controls, but the reverse run mechanism unfortunately uses crude mechanical slider switches to switch to the reverse direction head block. These switches were never designed to work perfectly for over 25 years, so it is strongly recommended to only use the deck in the Forward mode, unless you wish to tackle the internal switch-gear with switch cleaner or similar."

    The words seem a bit harsh on poor old Akai but is it likely to be a straightforward fix or would I be heading for a nightmare?

    There's nothing to suggest anything else untoward in the description but obviously usual rules apply regarding the aged electronics etc.
    Source: Orbe SE / SME IV / AT33 PTG II

    Amplification: Icon Audio PS 3 Sig Phono + Audio Research LS27 + Musical Fidelity A5cr Power Amp
    Loudspeakers: ProAc Response D28
    Cables/stands: Mark Grant G1500HD + Linn K20
    Other bits: Okki Nokki keeping things clean

  2. #2
    Join Date: Aug 2012

    Location: Hartlepool UK

    Posts: 1,182
    I'm Alan.

    Default

    Cleaning all Pots and Switches and sliders is something I do on all R2Rs of this age, I use Deoxit D5 as its a very good cleaner but also contains a lubricant. It is pricey though and Servisol 10 is a cheaper alternative.
    It looks like the reverse direction is a 3 way rotary switch which shouldn't be difficult to fix and a spray can often be the only fix it needs ?.
    So that would not put me off buying it if thats all thats wrong

    here is a view of the front controls of the GX635
    https://www.youtube.com/watch?v=Cxr8mCyIxVc

    Here is a good video of maintenance on a GX636 from Nick Adams which looks similar
    https://www.youtube.com/watch?v=Bx1e-gFqmx0

    Alan
    Last edited by 337alant; 17-04-2017 at 07:50.
    Turntable - Garrard 401/Jelco 750L/Ortofon Kontrapunkt B, Pioneer PLC 590, SME 3009/2 , Denon DL103R - DIY Paradise Phono stage - Reel 2 Reel Studer A810, Otari MX55,Tascam BR20 - Digital HTPC / Young Dac - Preamp - DIY B4, 821, Power Amp's DIY Voyager Mono Block, Speakers Tannoy precision 6.4 / Wilmslow Kit Volt BM220.8 / Scanspeak D2905/9500

  3. #3
    Join Date: Apr 2013

    Location: Solihull, UK

    Posts: 235
    I'm Bob.

    Default

    Thanks for that Alan.

    A very nice walk through of the mechanical issues on the second video, although I have a suspicion he makes it seem a little easier than it really is.

    I'll keep my eye on the bidding and who knows..................?
    Source: Orbe SE / SME IV / AT33 PTG II

    Amplification: Icon Audio PS 3 Sig Phono + Audio Research LS27 + Musical Fidelity A5cr Power Amp
    Loudspeakers: ProAc Response D28
    Cables/stands: Mark Grant G1500HD + Linn K20
    Other bits: Okki Nokki keeping things clean

  4. #4
    Join Date: Aug 2012

    Location: Hartlepool UK

    Posts: 1,182
    I'm Alan.

    Default

    Bob
    Looks mint good luck ( tip dont bid at all on ebay use bidnapper and put in the highest price you are prepared to pay for it )

    On that big sliding switch inside I would use Deoxit F5 fader cleaner lube
    Turntable - Garrard 401/Jelco 750L/Ortofon Kontrapunkt B, Pioneer PLC 590, SME 3009/2 , Denon DL103R - DIY Paradise Phono stage - Reel 2 Reel Studer A810, Otari MX55,Tascam BR20 - Digital HTPC / Young Dac - Preamp - DIY B4, 821, Power Amp's DIY Voyager Mono Block, Speakers Tannoy precision 6.4 / Wilmslow Kit Volt BM220.8 / Scanspeak D2905/9500

  5. #5
    Join Date: Apr 2013

    Location: Solihull, UK

    Posts: 235
    I'm Bob.

    Default

    Seven days to go and it's at £540 . So much for my thoughts up to now that all the action on ebay happens in the last 30 seconds.

    I think this will go through the roof.

    18 months ago they were at £400 to £600 in this condition. I've got a 350 mile round trip to pick it up and need to factor in maybe a couple of hundred quid for an electronic rebuild just in case.

    Suddenly the fully reconditioned GX-635D (just back from ServiceSound) that went for £800 a year ago doesn't seem so expensive now.

    I'm still in the game but starting to sweat a bit............
    Source: Orbe SE / SME IV / AT33 PTG II

    Amplification: Icon Audio PS 3 Sig Phono + Audio Research LS27 + Musical Fidelity A5cr Power Amp
    Loudspeakers: ProAc Response D28
    Cables/stands: Mark Grant G1500HD + Linn K20
    Other bits: Okki Nokki keeping things clean

  6. #6
    Join Date: Aug 2012

    Location: Hartlepool UK

    Posts: 1,182
    I'm Alan.

    Default

    It looks in beautiful condition Bob so Im not surprised it has gone off the map
    Alan
    Turntable - Garrard 401/Jelco 750L/Ortofon Kontrapunkt B, Pioneer PLC 590, SME 3009/2 , Denon DL103R - DIY Paradise Phono stage - Reel 2 Reel Studer A810, Otari MX55,Tascam BR20 - Digital HTPC / Young Dac - Preamp - DIY B4, 821, Power Amp's DIY Voyager Mono Block, Speakers Tannoy precision 6.4 / Wilmslow Kit Volt BM220.8 / Scanspeak D2905/9500

  7. #7
    Join Date: Aug 2012

    Location: Hartlepool UK

    Posts: 1,182
    I'm Alan.

    Default

    Bob If I can give you a bit of advice if you see a bargain on ebay don't advertise that on a Audio web site like this

    Alan
    Turntable - Garrard 401/Jelco 750L/Ortofon Kontrapunkt B, Pioneer PLC 590, SME 3009/2 , Denon DL103R - DIY Paradise Phono stage - Reel 2 Reel Studer A810, Otari MX55,Tascam BR20 - Digital HTPC / Young Dac - Preamp - DIY B4, 821, Power Amp's DIY Voyager Mono Block, Speakers Tannoy precision 6.4 / Wilmslow Kit Volt BM220.8 / Scanspeak D2905/9500

  8. #8
    Join Date: May 2012

    Location: Dagenham Essex

    Posts: 6,752
    I'm I'mteachingmarcotheartofpishanto.

    Default

    Music , fills the gaps between silence !

    TAT Sale post Leader " Marcos Mentor "

    Also a pishanto specialist confirmed by Head Daftee

    Real name " Allen " or "Zoomer Nut”, “Numpty Napper”.

    ±± KEEP IT REEL

  9. #9
    Join Date: Apr 2013

    Location: Solihull, UK

    Posts: 235
    I'm Bob.

    Default

    But surely this is such an honourable forum.........

    Even worse, I've just looked at the price this morning.

    Come on then, who's bidding on my tape deck?????
    Source: Orbe SE / SME IV / AT33 PTG II

    Amplification: Icon Audio PS 3 Sig Phono + Audio Research LS27 + Musical Fidelity A5cr Power Amp
    Loudspeakers: ProAc Response D28
    Cables/stands: Mark Grant G1500HD + Linn K20
    Other bits: Okki Nokki keeping things clean

  10. #10
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 32,187
    I'm Grant.

    Default

    It's read by many online. Not just members
    Regards,
    Grant ....
    Sometimes incompetence is useful. It helps you keep an open mind.
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    IMUTO TAURUS X4 BATTERY SUPPLY. - RPI2B & AUDIOPHONICS DAC running MOODE 3.6- TONBRUX BATTERY SUPPLY & CHROMECAST2 AUDIO DONGLE no1 - JBE SERIES 3 SLATEDECK & EMOTIVA XPS-1 PHONO - DENON DV2900 & HEAVILY MODDED MF X10v3. BERESFORD SWITCHBOX. - TWIN PRO MONOBLOCK AMPLIFIERS. - CREEK OBH-11SE HEADPHONE AMP. -AUDIO TECHNICA ATH-MSR7 HEADPHONES - WIN10 JRIVER22, SPOTIFY PREMIUM- OPPO PM-3 PLANAR HEADPHONES, KINPS CABLES, SMSL M6 MINIDAC, CHROMECAST2 AUDIO DONGLE no2 POWERED BY ANKER BATTERY PSU - FULL RANGE TWIN & SINGLE TELEFUNKEN's - TANDBERG TCD310 - CARTS.. AT95 Shibata, SHURE M55E original, JVC MD1029. - RCA CABLES BY BRIAN SPKR CABLES BY MOI HAIR BY MARCO FEET BY ELECTRICBEACH - MAINS REGENERATED BY POWERINSPIRED AND FILTERED BY BELKIN PUREAV.

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