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Old 13th April 2013, 06:10 PM   #1
Pyre is offline Pyre  Canada
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Question Looking for Harman Kardon Allegro A-10 Schematic or PhotoFact.

Hello,

I have two HK A-10's that are in need of some TLC. I replaced the power supply caps and that got most of the hum out but I would like to replace all of the parts that are out of spec. I have looked every where online and the only schematic I can come up with is very blurry with a side cut off. If anyone has or can point me in the right direction I would be eternally grateful.

I bought the one A-10 in a small junk/antique store on a weekend vacation to Cleveland. They had a sign up that said 50% all electronic items. The A-10 was under some books with a $40.00 sticker on it. I asked the lady if it was included as well and she asked, “ Does it run on electricity? “. Yup, it was mine for a 20. When I got it home I opened it up and found two Bugle Boy 12AX7's and two HK labelled Mullard EL84's. They all test new or better. I had to buy the other one online for $60.00, but to make a pair I figured it was worth it.

I do not know how all of this Harman Kardon stuff keeps finding me. I redid a set of PC-200 Preludes a couple years back as well as a Citation V. I also have a Citation II upstairs right now that I am looking at for a friend.

Shane
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Old 14th April 2013, 02:51 AM   #2
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