GE 6680 matched quad

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george daniel
george daniel Posts: 12,096
edited March 2012 in The Clubhouse
6680: Motorola and GE are the brands you find most often with this tube, but RCA made a nice cleartop version for a very short time. It is identical to the 12AU7, but has the added benefit of being able to withstand variations in filament voltage without affecting it's output. This tube was designed originally for two-way mobile radio use. It makes a fine hi-fi 12AU7 tube as well. Never as plentiful as other types, this tube is rather scarce today.


Time to give back to the community---winner will be announced by Saturday--Karma open until 6am Sat.

Bought here from Russman.

Good luck
JC approves....he told me so. (F-1 nut)
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  • starkiller
    starkiller Posts: 2,723
    edited March 2012
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    In for sure's...great Karma!!
    Computer room Hegeman 1 SpeakersM&K VX-80 subKenwood DP-7010Cambridge Audio CXC Transport Rega DACPrimaLuna Prologue Four AmpAric Audio Tube PreampGarage Jennings Research SquareCustom tube preampCrown XLS-1000Denon DCD-1500II Modded MSB Link DAC
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  • zingo
    zingo Posts: 11,258
    edited March 2012
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    Cool karma; not in.
    Jake
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  • disneyjoe7
    disneyjoe7 Posts: 11,435
    edited March 2012
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    Oh what the heck would like to try those out, I'm in.

    Speakers
    Carver Amazing Fronts
    CS400i Center
    RT800i's Rears
    Sub Paradigm Servo 15

    Electronics
    Conrad Johnson PV-5 pre-amp
    Parasound Halo A23
    Pioneer 84TXSi AVR
    Pioneer 79Avi DVD
    Sony CX400 CD changer
    Panasonic 42-PX60U Plasma
    WMC Win7 32bit HD DVR


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  • rromeo923
    rromeo923 Posts: 1,513
    edited March 2012
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    Not in. If I won them I would then have to go buy an amp that used them.

    Sweet Karma though!
    I got static in my head
    The reflected sound of everything
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  • sda2mike
    sda2mike Posts: 3,131
    edited March 2012
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    in george! that's great!
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  • george daniel
    george daniel Posts: 12,096
    edited March 2012
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    Mike pm me your addy--congratilations
    JC approves....he told me so. (F-1 nut)
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  • sda2mike
    sda2mike Posts: 3,131
    edited March 2012
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    Thanks George! They will be put to good use, sir
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