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Type: Posts; User: W4HBM

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  1. Replies
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    Why, why, why

    Dear Mr. Definitive,

    Let's say you're listening to a radio program originating thousands of miles away on shortwave. The wave the station is transmitting, being on shortwave, is perhaps over 100...
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    Locked Up

    Dear Tour,

    Here's a blast: "Daaaaiiisssy, Daaaaaiissy...."

    Sorry about those from-hunger photos. I use this camera for taking pictures of construction defects in power plants and up on...
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    For Mr. H-Bomb, etc.

    The SPL range is -77dB to +126dB.

    That's the meter. My ears are a completely different story however, and that is quite a bit more attenuated......

    The Marantz PM7200 amp came last week and I...
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    A Picture Sweeping 25K???

    I didn't understand what you meant by a "picture."

    One word, "image," was that of what my mind sees when the binaural effect happens, and that's not a "visual" picture.

    Forgive my ignorance. I...
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    Audio Untailored

    Sir,

    There is no tailoring of the audio as in a equalization manner. The audio portion of the signal, once stripped from its high frequency radio wave, can be filtered in any number of ways: The...
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    Why the '400

    In a recent web discussion in a High-Frequency radio reflector net someone was talking about how to take full advantage of shortwave receivers with Main and Diversity channels, and instead of using...
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    Sound test One

    Some one mentioned something about the speaker being pinned. The cabinet is suspended from four springs with safety chains and hangs roughly one half inch above some other equipment and the only...
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    Mods Complete

    The mods are complete and the CS400i is hooked up to a solid state 180 watt shielded amp, but other "honeydo" chores somehow got in the way before the live test.

    I will report back on the results....
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    Why 400i for SW?

    You are correct in thinking "voice transmissions," and that IS the mode that will be used by the binaural speaker to impart the greatest intelligence.

    Let's say between 300 and 3,000 Hertz.
    ...
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    Hobby horses & No-Ox

    Dear Dave,

    Electronics, both AF and RF, have been my employer and hobby since 1963.

    I started out as an apprentice in c/o's and worked at night and on weekends repairing tube amplifiers in NYC...
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    No-Ox-Id Paste

    Certainly a small film of No-Ox, carefully worked in to a bunch of copper strands and then the excess wiped off with a tissue is not like the stuff on ground bars.

    You are right about the mess...
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    CONNECTING WIRES PRESERVATION

    1. This compound called No-Ox-Id "A" (Special) (tm), made by SANCHEM in Chicago, works absolute wonders on audio connections.

    2. No-Ox (as it's commonly called) is available in squeeze tubes in...
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    SVETLANA

    Yeah, Svetlana was purchased, lock, stock and barrel by a U.S. company somewhere on the East Coast.

    Nothing's being made in Russia anymore and their complete inventory of mil-surplus was bought.
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    Ceamic Triode Monobloc Amplifiers

    Svetlana, now somewhere near the East Coast, manufactures the 3CX300A1 ceramic triode that has found popularity among audiophiles looking for the correct amount of overhead to afford the dynamic...
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    Using CS400i as Binaural Deriver

    Sirs, (and ladies, of course),

    Have any of you experience with modifying the POLK CS400i
    crossover network so as to allow the drivers to be amplified
    separately by the left and right audio...
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