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  1. #1081

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    Hmm... we should probably start a Quickie thread... ;-)

    The tubes used in the Quickie are notorious for microphonics; it's "just" an old battery radio tube (3S4); not exactly designed for hifi. Presumably the only - possible - salient difference in interfacing the preamp with different flavors of power amp would be match of the the output impedance of the preamp and the the load presented by the power amp.
    all the best,
    mrh

  2. #1082

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    ^So what your saying is....

    Keep in mind, "Its just a quickie"
    Advice is free, the Flea Market is earned - F1Nut

    Main HT: APC H15 | Pio 51FD | Uverse DVR | Xbox 360 | Squeezebox Classic | Integra DTR 5.9 | Carver AV-705x & M1.0t MKII Opt002 | LSi 15 | LSiC | LSi F/x | Kimber Hero IC & 8VS SC

    Office Rig: Win 7 -> DacMagic w/ Pangea PSU | Pro-ject Debut III | Sunfire TGP-II | Parasound HCA-750ii | Polk RTA 11TL | Cables TBA

    Bedroom: Uverse DVR | Roku 2 | Samsung LCD | SurroundBar 2000

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  3. #1083

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    Quote Originally Posted by mhardy6647 View Post
    Hmm... we should probably start a Quickie thread... ;-)

    The tubes used in the Quickie are notorious for microphonics;
    That's disheartening. Why did they choose them, low power requirements or cost?
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche

  4. #1084

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    all of the above.
    all the best,
    mrh

  5. #1085

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    Acurus A250, recently acquired. The insides need some cleaning. Upon removing the top, I was surprised at how physically imposing the power transformer looked, rated at 1KVA. Upgrades planned including re-cap, adding bypass caps to the DC rails, and adding output relays/DC protection. One of the output posts is missing its plastic cap. I have a set of new WBT Midline posts on hand, and will use them to replace the stock posts.





    Main system: Denon DP-59L | Audio-Technica AT33EV | Marantz Reference Series SA-11S2 | Classé CP-50, modified | Classé CA-300, modified | Classé DR-10, modified | Classé RC-1 | PSB Stratus Gold i's | DIY Balanced AC Power Conditioner with surge/spike suppression | Acoustic Zen and NeoTech cables | Oyaide and Furutech AC power connectors and receptacles | Hi-Fi Tuning Supreme fuses | Dedicated 20A IG AC line

  6. #1086

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    Guts of Marantz 2385

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    HT:Polk LSi c LSi 15's LSi 7's LSi FX's Dual DSW MP3K's Marantz AV7701 Sunfire TGA-7401 Oppo BDP-93 Sony PS3 Directv Genie HD DVR Sony 55" 3D LED LCD

    2 C: VR3 LSIM 703's Monitor 5B's VR3 LSi 9's Audioquest Rocket 33's DSW MP 1K Yaqin MC100B with Shuguang 50Years Treasures KT 88's & CV181Z's Tesla E83CC's Marantz 2385 Yamaha M80 Parasound 2100 Pre Squeezebox Touch Marantz SA8004 SACD Music Hall MMF 5.1 TT Musical Surroundings Phonomena II Phono Pre Solid Silver IC's, Pangea PC's

  7. #1087
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    Recently picked this up for $90:

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  8. #1088

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    a semi-nude I thought that some might appreciate...



    EDIT: is is probably the best sounding $30 amplifier I've yet heard. PP 6AQ5 is essentially identical to PP 6V6; probably about 10 wpc.
    all the best,
    mrh

  9. #1089

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    Appreciated. It looks like one of my early 1970s DIY 6BQ5 efforts.
    Main system: Denon DP-59L | Audio-Technica AT33EV | Marantz Reference Series SA-11S2 | Classé CP-50, modified | Classé CA-300, modified | Classé DR-10, modified | Classé RC-1 | PSB Stratus Gold i's | DIY Balanced AC Power Conditioner with surge/spike suppression | Acoustic Zen and NeoTech cables | Oyaide and Furutech AC power connectors and receptacles | Hi-Fi Tuning Supreme fuses | Dedicated 20A IG AC line

  10. #1090

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    It's a console pull, from a Canadian console - a little beefier all around than the typical US offerings of its day... sounds darned good on the Duplexes, in fact.
    all the best,
    mrh

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