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Sony TA-N86B, easy or difficult to revise, repair, find parts, and etc...?
Sony TA-N86B, easy or difficult to revise, repair, find parts, and etc...?
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Old 4th September 2019, 09:53 AM   #1
FreedomJazzDance is offline FreedomJazzDance  Brazil
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Default Sony TA-N86B, easy or difficult to revise, repair, find parts, and etc...?

Hello to all,

I'm considering acquire some Sony TA-N86B, the preamp TA-E86B, and the active crossover TA-D88B, in order to be used with thee 3 way loudspeakers that I'm planning to build.

Amp
Sony TA-N86B on thevintageknob.org
Preamp
Sony TA-E86B on thevintageknob.org
Crossover
Sony TA-D88B on thevintageknob.org

My question is:

The TA-N86B, is a easy or difficult amp to revise, and repair? What about the parts needed in case of repair? they are difficult to get? considering this amp's design, revision, or repair, it's complex, and required a very experienced technician? or it's a straight forward amp to work with?

I extend the same question to the preamp and crossover...

Many thanks, appreciate very much the thoughts of more experience audio enthusiasts with this particular equipments.

Best regards to all.
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Old 4th September 2019, 01:30 PM   #2
analog_sa is online now analog_sa  Europe
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Sony TA-N86B, easy or difficult to revise, repair, find parts, and etc...?
After Ottomon, Sun Valley and Uesugi you are down to a Sony?
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Old 4th September 2019, 02:06 PM   #3
MarsBravo is offline MarsBravo  Netherlands
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Quote:
Originally Posted by FreedomJazzDance View Post
The TA-N86B, is a easy or difficult amp to revise, and repair?
Drop me a pm.
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Old 4th September 2019, 02:08 PM   #4
FreedomJazzDance is offline FreedomJazzDance  Brazil
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Quote:
Originally Posted by analog_sa View Post
After Ottomon, Sun Valley and Uesugi you are down to a Sony?
Considering lots of options, and also learning with they
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Old 4th September 2019, 02:09 PM   #5
FreedomJazzDance is offline FreedomJazzDance  Brazil
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Quote:
Originally Posted by MarsBravo View Post
Drop me a pm.
Thanks sir, will send you a message...
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Old 4th September 2019, 07:03 PM   #6
MarsBravo is offline MarsBravo  Netherlands
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Sony design, eighties.
If you're looking for a temperature stable current source, it is this one.
And as a bonus, you can adjust the current by manipulating R210.
I proofs reliable with many other types and specs of jfets and bjt's.
My signature below is rooted from there.
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File Type: jpg Sony TA-E86B Current Source.JPG (58.0 KB, 26 views)
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Old 5th September 2019, 12:19 AM   #7
FreedomJazzDance is offline FreedomJazzDance  Brazil
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Well after think about a lot this days, considering all the infos acquired, i think I still not have the knowledge to elaborate a multi amplified active system, neither to use such a vintage and exotic componente like this Sony, maybe in the future..., better keep it simple first, make the Passive crossover recommended by Fostex...thanks everybody, if occur me another doubts I will put it here, apreciate all the help, best regards.
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