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dynaco st 70

  1. S

    Is this Dynaco ST 70 FUBAR?

    Found this guy on CL for a decent price compared to what people are asking for these Dynaco units around me lately. However is this unit FUBAR? A lost cause? I have worked on some tube equipment but I have never removed a mod and reverted a unit back to stock. It appears they have removed the...
  2. J

    New Member- First Tube Amplifier Acquired Dynco ST70 Custom Questions on Mods

    Hello, I am new to audio in general and tubes as of one week. The unit I got was made by Jim Fosgate and it works great. [I am running Klipsch quartets with redone insides and titanium tweeter, I have black ice dac coming soon (this weekend!) because it seemed fitting to get something else to...
    • Jordansky
    • Thread
    • dynaco st 70 new member tube amp amplifier
    • Replies: 12
    • Forum: Tube Audio
  3. Denver jt

    Marantz 2230/Dynaco ST70 and headphones

    Hi All-My current setup is a Marantz 2230 going into a Dynakit ST70 and new large Advents. I LOVE this sound and setup. Now my question…. Since converting my 2230 to a preamp, the headphone jack no longer works. Does anyone know of a switch I could use to quickly cycle the 2230 through amp mode...
  4. Nervous_Dude

    Can Dynaco ST-70 power ADS L710s?

    I'm currently shopping for my first nice receiver/amplifier and want to match it with a pair of ADS L710 speakers (89db, 4ohm) for phono, cassette, and tuner functions (not too interested in running anything else through them). A number of people have recommended a Dynaco ST-70 and I've found...
  5. angelaudio

    Need help! Have a chance to buy Dynaco ST 70 all original but rectified tube looks blown

    Hello Akers I need your help.. I’m thinking of buying (at an estate sale) an all original dynaco st-70 in all original condition but I’m not sure if I should because the 5ar5 rectifier tube has a white smoke spot at the top. Does that mean it’s blown? Would this have caused other damage to the...
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