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Thread: Calibration Tools

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    Calibration Tools

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    I've decided to maintain and learn to calibrate my own decks. After reading my Tascam 38 manual it seems like I will only need a few tools
    VTVM
    Oscilloscope
    oscillator
    MLR Test Tape

    For thoes of you who know, what brands/models should I be looking at? Is this possible to do some tests with a computer?

    Thanks
    Brandon

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    yeah, no need to buy an oscillator, just download one. Be sure to get a mV meter too, so you can measure what the output is on the digital osc, seing what it SAYS it's sending out is never accurate.

    Get MRL tape. It's expensive though!

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    *EDIT*
    Erk, I did post twice. Sorry about that.
    Last edited by jpmorris; 05-28-2006 at 12:45.

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    .............

    Quote Originally Posted by Beck
    Stuff I use for aligning tape reel-to-reel decks:

    Winscope
    Freeware oscilloscope for Windows.
    Iíve installed it on Win 98, and XP using compatibility mode install.
    http://polly.phys.msu.su/~zeld/oscill.html

    Operation/Maintenance Manual for Deck
    TEAC E-3 Head Demagnetizer
    Fostex TT-15 Test Tone Oscillator
    MRL Calibration Tapes http://home.flash.net/~mrltapes/
    Radio Shack Digital Multimeter, Model 22-811
    http://www.radioshack.com/product/in...ductId=2103175

    Some good links:

    Spring Scales:
    http://www.sciencelab.com/page/S/CTGY/20846

    How-to and info:
    http://www.recordingwebsite.com/articles/tapecal.php
    http://audio.utac.net/pg/tape/align.html
    http://www.barryrudolph.com/greg/align.html
    http://home.swipnet.se/herbalifeinfo/Audio/engRULL2.htm
    http://www9.dw-world.de/rtc/infotheq...ng/magrec.html

    More calibration tape info (nice chart)
    http://www.tangible-technology.com/m.../mrltapes.html

    ~Tim
    "If you canít make a hit record with a Tascam or a Fostex,
    then youíre not going to able to do it with a Studer or Otari!"
    -David Mellor

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    Awesome stuff, thanks Beck!

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    Looks like Winscope is no longer freeware, so here ya go.

    http://web.archive.org/web/200503190...eld/osc251.zip

    "If you canít make a hit record with a Tascam or a Fostex,
    then youíre not going to able to do it with a Studer or Otari!"
    -David Mellor

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    How do you like the Teac E-3 as opposed to a han d mag

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    Any suggestions for Multimeters? Most cheap digital ones are only rated up to 400Hz for AC voltages, which isn't helpful when using 1khz and 10khz test tones.
    That Radio Shack thing didn't say much about it's maximum AC frequency (the actual frequency counter modes generally have higher ratings).

    I'm looking at a Fluke 175, which costs more than the MRL tape did, unless I can find one on ebay. Any cheaper suggestions would be handy. Tandy (as Radio Shack were in the UK) went bust about 5 years ago, IIRC.

    I'm using a Hitachi V212 'scope, and the PC as signal generator. But I need a better meter.

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    Quote Originally Posted by Bigsnake00
    How do you like the Teac E-3 as opposed to a han d mag
    Hand-D-Mag is the most powerful available, but the E-3 is heavy duty and stronger than most. It works perfectly on everything I use it for, from cassette to 1/2".

    "If you canít make a hit record with a Tascam or a Fostex,
    then youíre not going to able to do it with a Studer or Otari!"
    -David Mellor

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    Quote Originally Posted by jpmorris
    That Radio Shack thing didn't say much about it's maximum AC frequency (the actual frequency counter modes generally have higher ratings).
    The range for the above Radio Shack model is 10Hz to 4MHz.

    I use it for ham radio and studio related testing. That particular model is very accurate. I also have a much older and more expensive Beckman, but the Radio Shack is handier around the studio and works just as well.

    They are made for Radio Shack, so may be available in the UK under a different brand.

    "If you canít make a hit record with a Tascam or a Fostex,
    then youíre not going to able to do it with a Studer or Otari!"
    -David Mellor

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