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Thread: Sony TA - N7B Amp

  1. #1
    Audio Al is offline Pishanto Specialist & Super-Daftee
    Join Date: May 2012

    Location: Dagenham Essex

    Posts: 11,215
    I'm Allen.

    Default Sony TA - N7B Amp

    Some years ago I purchased this amp and it had issues , It was consigned into a wardrobe in the bedroom

    Some years later I found it again and decided to get it sorted , at first I though it may be V fet issues , however after speaking to Mike Powell he said If a V fet had blown ( No longer available ) you would get no sound out of the affected channel , I packed it up and sent it to Bolton in Lancashire for a rebuild and testing , Some time later Mike contacted me saying its all done and ready to come back home

    All Caps renewed even the 4 massive ones , had to wait 2 months for these to be made , Did I say they are massive

    Mike has had it on test and has given it a clean bill of health , Cant wait to get it back , I asked Mike to do something with the pony binding posts that had at some time been fitted , they are now proper

    This is a link to the VK web site showing the power amp

    http://www.thevintageknob.org/sony-TA-N7B.html
    [

  2. #2
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,624
    I'm Geoff.

    Default

    I wondered when you'd get around to doing something with that Al.

    It should sound superb.
    It is impossible for anything digital to sound analogue, because it isn't analogue!

  3. #3
    Audio Al is offline Pishanto Specialist & Super-Daftee
    Join Date: May 2012

    Location: Dagenham Essex

    Posts: 11,215
    I'm Allen.

    Default

    Forgot to say the RCA connecters have been replaced the gold plated units
    Fully DC, with two transformers for the regulation, two toroidal transformers for the power stages and a total 88,000µF of caps. The frame structure and back "holders" are made of diescast aluminium. The toroidal trafos were custom-ordered to Nippon Kinzoku, a company still in business today which must have provided most if not all toroid trafos to high-end JP hi-fi throughout the 70s and early 80s.

    Only 3000 made for use WORLDWIDE
    [

  4. #4
    Bigman80 Guest

    Default

    I'd love to hear that.

    Sent from my EVA-L09 using Tapatalk

  5. #5
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,624
    I'm Geoff.

    Default

    Quote Originally Posted by Bigman80 View Post
    I'd love to hear that.

    Sent from my EVA-L09 using Tapatalk
    I have heard it, but it wasn't at its best.

    Always wanted a TA-8650 VFET jobbie.
    It is impossible for anything digital to sound analogue, because it isn't analogue!

  6. #6
    Bigman80 Guest

    Default

    Also desirable. I do have love for the old Sony gear.

    Sent from my EVA-L09 using Tapatalk

  7. #7
    Audio Al is offline Pishanto Specialist & Super-Daftee
    Join Date: May 2012

    Location: Dagenham Essex

    Posts: 11,215
    I'm Allen.

    Default

    I'd love to hear that.

    And me as well
    [

  8. #8
    Bigman80 Guest

    Default

    Quote Originally Posted by Audio Al View Post
    I'd love to hear that.

    And me as well
    I'm looking forward to hearing your thoughts on it when you do plumb it in!

    Sent from my EVA-L09 using Tapatalk

  9. #9
    Audio Al is offline Pishanto Specialist & Super-Daftee
    Join Date: May 2012

    Location: Dagenham Essex

    Posts: 11,215
    I'm Allen.

    Default

    Quote Originally Posted by Bigman80 View Post
    I'm looking forward to hearing your thoughts on it when you do plumb it in!
    Should be here wednesday
    [

  10. #10
    Bigman80 Guest

    Default

    🤤 I'm jealous. Not gonna lie lol

    Sent from my EVA-L09 using Tapatalk

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