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New Onkyo

gullaz

gullaz

Active Member
I have recently acquired another Onkyo integrated on the bay. The seller said
that almost no sound was coming out of both channels so it went for a steal of
22 euros plus shipping; the model is A-7022.It came two days ago and now after a heavy spray session it sings like a bird. Does anybody know anything about this model. It seems to be a mid to top of the line from the early 70's
but I didn't find much literature on the web.
here a couple of pics:
 

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A Little More Info on the A-7022

This was the first Onkyo amp that I recall that utilized the cut core transformer which greatly reduced stray magnetic flux and a lot less expensive than the standard toroid. Although the input impedance was high in the phono stage, I liked the use of single ended bipolar transistor in the first stage compared to the standard differential amplifier configuration. The 3 stage phono preamp had a good pulse response compared to its competitors in that era. The tone preamp and the power amp was nothing exceptional but nevertheless, a solid performer. The A-7022, A-7055 (lower priced integrated amp) and the T-4055 tuner all had matching cosmetics and looks great together. Someday, I'll grab an A-7022 just to match my T-4055 to have a matching set. Cheers!

Tom Ishimoto
Northridge Electronics
 
jhal said:
Look at those metal binding posts! Good thing it is "only" 65 watts per channel.:yikes:
Click to expand...

Forces people to do the right thing and make connections only at power off. The training will prolly save a component or two over the life of the owner!:D
 
That T-4055 is an awesome tuner. I have one too and it rivals my Kenwood KT-7000(which is saying alot IMO). In fact--since I've mated the KT to my P-388/M-588--I am considering a tuner switcharoo just to group the Onkyo's.:thmbsp:
 
hadrian333 said:
This was the first Onkyo amp that I recall that utilized the cut core transformer which greatly reduced stray magnetic flux and a lot less expensive than the standard toroid. Although the input impedance was high in the phono stage, I liked the use of single ended bipolar transistor in the first stage compared to the standard differential amplifier configuration. The 3 stage phono preamp had a good pulse response compared to its competitors in that era. The tone preamp and the power amp was nothing exceptional but nevertheless, a solid performer. The A-7022, A-7055 (lower priced integrated amp) and the T-4055 tuner all had matching cosmetics and looks great together. Someday, I'll grab an A-7022 just to match my T-4055 to have a matching set. Cheers!

Tom Ishimoto
Northridge Electronics
Click to expand...

Yes the input sensitivity is indeed high in the phono stage (I can see up to 4.8 mV. It is an extremely warm sounding amp; it recalls me some older Sansuis like the 7500 and I really love that bronze faceplate.
 
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