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Eico ST-70: good unit? | Audiokarma Home Audio Stereo ...
https://audiokarma.org/forums/index.php?threads/eico-st-70-good-unit.267888/
The EICO ST-70 and Dynaco ST-70 are different animals. The EICO is an integrated amp with 7591 output tubes and the Dynaco is a power amp with EL34 output tubes. Both are GZ-34 tube rectified. The EICO is a good sounding amp when properly set up, like many 7591-based amps. Some prefer the lower power ST-40 (also with 7591 output tubes).
Eico ST 70 | Audiokarma Home Audio Stereo Discussion …
https://www.audiokarma.org/forums/index.php?threads/eico-st-70.728908/
1,179. Location: So. Oregon. Picked up this Eico ST 70 two weeks ago. Starting to clean it up and come up with a game plan. The outside is pretty nice, inside a lot of dust. Undersides look OK, with no obvious damage. Being that it looks pretty nice, I'm thinking that I'll do a basic recap and a fix a few known flaws and give it a listen.
Eico ST70 No Sound | Audiokarma Home Audio Stereo ...
https://audiokarma.org/forums/index.php?threads/eico-st70-no-sound.973509/
If you check in the audiokarma database and at Hifi Engine you should be able to find the Eico st70 instruction manual and a copy of the schematic. I also found a copy of Sam's photofact for the the Eico St70 which made following …
Eico ST-70 vintage tube integrated amp restoration/upgrade ...
https://forum.polkaudio.com/discussion/111045/eico-st-70-vintage-tube-integrated-amp-restoration-upgrade/p4
Good luck and congratulations, once restored the Eico ST-70 is an excellent sounding integrated. SDA-1C (full mods) Carver TFM-55. NAD 1130 Pre-amp. Rega Planar 3 TT/Shelter 501 MkII. The Clamp. Revox A77 Mk IV Dolby reel to reel. Thorens TD160/Mission 774 arm/Stanton 881S Shibata. Nakamichi CR7 Cassette Deck.
Antique Radio Forums • View topic - Eico st-70
https://www.antiqueradios.com/forums/viewtopic.php?t=80230
The Eico ST-70 is a great performing amplifier for its day, one of the better tube amp designs around. I have been using either an ST-40 or ST-70 since the 1960's and wouldn't consider switching to anything else.
Eico ST-70 vintage tube integrated amp restoration/upgrade ...
https://forum.polkaudio.com/discussion/111045/eico-st-70-vintage-tube-integrated-amp-restoration-upgrade/p2
December 2010 edited December 2010. I was just reading in the Yahoo Eico group that the plating on the Eico ST-70's chassis contains cadmium which is toxic if ingested. A respirator is recommended while sanding or polishing. I was wondering why my sinus's were so sore for several days after I cleaned and polished.
Eico ST-70 Stereo Integrated Amplifier Manual | HiFi Engine
https://www.hifiengine.com/manual_library/eico/st-70.shtml
The Eico model ST-70 is a complete high fidelity stereophonic control centre and a pair of 35 watts amplifiers, all in one chassis. With it, you can select, preamplifiy, and control any stereophonic or monophonic source and feed it through the self contained dual 35 watt amplifiers to a stereo pair of speaker systems.
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