• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

wow

  1. C

    Turntable Strobe dot wobbles

    I have a 1970's Technics SL-220 that is working probably good enough but the strobe dots move back and forth a very small amount. The wow measures +/-0.12 % RMS as measured with a RPM WOW phone app. I've replaced the belt twice and without significant change in the small movement. The movement...
  2. John Tulett

    ReVox B710 MK1 Tape Deck Reproduce Amplifier - A Successful Repair

    Introduction * As documented in report, ReVox B710 Tape Deck – Successful Wow & Flutter Restoration, section "What did this restoration accomplish? While it took almost 2 years to complete this restoration, partly due to my first experience with a tape deck, my breaking the solenoid plunger...
    • John Tulett
    • Thread
    • b710 cassette flutter pcb reproduce revox tape wow
    • Replies: 13
    • Forum: Tape
  3. lsorrentino

    Wow and Flutter measurements like you've never seen before! Maybe...

    Wow and Flutter I’ve had a Vernier force sensor for educational use for a couple of years, acceleration and gyroscope. I didn’t have time to play with it until a couple of weeks ago, it connects via Bluetooth and can collect up to 1000 samples per second, here, acquiring the data, 5 minutes of...
    • lsorrentino
    • Thread
    • flutter lenco lenco l75 revox revox b790 sansui sansui xp-99 sony ps x555es w&f wow
    • Replies: 30
    • Forum: Turntables
  4. T

    Hitachi ht-463 speed control issue

    Hi. I have had this tt from new. It’s been in its box for a few years and was sporadically used during the cd era. I want to use it again as I still have a lot of vinyl, some emotional. It works, almost. Sound ok (but, below…), mechanism fine. It’s direct drive, uni-torque. Problem: uneven...
    • tony.goodwin
    • Thread
    • hitachi ht-463 refurb speed strobe turntable unstable wow
    • Replies: 11
    • Forum: Turntables
  5. cschaub

    Help diagnosing thorens td-160 issue

    I have a 1st gen Thorens TD-160 without the transit locking screws. The wow/flutter is bugging me. RPM says I am running at 33.64 with wow/flutter of .30. New Thorens belt for a few months. Really clean unit, but I am noticing a wobble when the motor runs ... posted video with and without belt...
    • cschaub
    • Thread
    • flutter thorens thorens 160 td160 td-160 mk2 mkii rca wow
    • Replies: 7
    • Forum: Turntables
  6. cmcguire

    Weird speed issue on Oracle Paris

    Now that I've finally finished the task of scooping all the honey out of my tonearm reservoir and setting out ant traps (if you're not aware of my experiment, please don't ask) I'm on to the task of getting my Oracle Paris up to proper speed. Here's my issue: as measured with the rpm app on my...
  7. H

    Wow and Flutter : A Short Story

    Not really, just thought that would be an interesting title for my first post here. I have been having some minor issues with my Technics RS-615US cassette deck. I purchased it mid-last year and have been working on it on and off since then. First was the replacement of the lamps in the VU...
    • HBK42581
    • Thread
    • cassette flutter repair service technics wow
    • Replies: 1
    • Forum: Tape
Back
Top Bottom