Ortofon KS 591 - informations - diyAudio
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Old 4th December 2011, 07:32 PM   #1
musiko is offline musiko  Poland
diyAudio Member
Join Date: Sep 2010
Location: Europe
Default Ortofon KS 591 - informations


I was bought a beautiful tube amplifier Ortofon model KS 591,and he is damaged
- is somebody have any informations about this amplifier, service manual etc ?
It's my first tube amplifier and quickly I love him, so I must try to repair him

I will be grateful for help,

Sorry that my english is no good

Best regards

Jarek /musiko/
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Old 4th December 2011, 07:44 PM   #2
GloBug is offline GloBug  Canada
Join Date: Jun 2011
You should be able to do it without the manual.

I think this is a 18w unit. (2x9W)

Just apply the same techniques as any other radio. Replace the electrolytics with the same or higher voltage ratings, similar capacitance etc.
Insall a grounded 3-prong plug. etc.

Look for your tubes data sheet to see if they are running in spec.

Looks like a sweet unit.
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Old 4th December 2011, 08:21 PM   #3
musiko is offline musiko  Poland
diyAudio Member
Join Date: Sep 2010
Location: Europe
I'ts heavy metal case unit ( white parts ), it's have a miniwatt ECC83 x2, EF86 x2, ECL82 x2 and siemens ECL82 x2, somebody earlier was changed the electrolytics, and miniwatt ECC83 x2, EF86 x2 aren't inside the unit. Some cables are in the air, and section pre signal are disconnect from power signal section.
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