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tone control

  1. T

    Need expert advice on mitigating the harmful effects of digital/compressed sound (mostly voices)

    I'm a professional conference and business interpreter, and some of my work is now remote/online. The sound I have to work with is often compressed and not professional, and at times simply poor. I rarely have the chance to advise participants what equipment and settings to use (e.g. on Zoom)...
  2. T

    Amp with variable loudness as peak limiter (?) + mids control for intelligibility. For use with headphones, mainly speech.

    I'm in need of some advice, hope you can help. I'm looking for an integrated amplifier for use in professional remote interpreting. It looks as though no headphone amps have physical tone control knobs these days, so they are out of the question. I need physical tone control knobs, preferably...
    • TerpSound
    • Thread
    • eq headphones integrated amp help loudness control mid range three-band tone control variable loudness
    • Replies: 47
    • Forum: General Audio Discussion
  3. oldgearhog

    Weird bass issue

    I have an old Toshiba receiver with a strange problem. It was working fine until it wasn't. Now the bass in the right channel is non-existant. I tried different speakers and headphones and it wasn't still there. Any tips on where to start? I don't think it's a dirty pot or switch since it was so...
  4. sae-7125

    TL072CP lifespan (apt holman preamp)

    anyone happen to know if the tl072cp has a particular service lifespan out in the wild? currently have an apt holman preamp exhibiting some rather odd tone control and bass mode amplitude+phase issues when comparing left vs right channel output (tone generator as source). preamp was recapped...
    • sae-7125
    • Thread
    • apt holman no ventilation opa2134pa opamp phase issue rc4558p relay issue tl072cp tone control
    • Replies: 20
    • Forum: General Audio Discussion
  5. Will Gregory

    SX-1280 Tone control variable resistors

    Hi folks, I am a brand new member and have just acquired an SX-1280. The unit works ok but has a couple broken tone control shafts an I am hoping someone can help point me in the right direction to get them replaced. Do any of you have the Bass 50hz ACW-101(ACV-165) and the Treble 10khz...
  6. G

    BIC EV15s - Recommended EQ??

    Recently picked up a Crown amp to try and wake up my pair of BIC EV 15s. Mission accomplished! However, to get to the level of volume I need to get the woofers thumping I'm running for cover from the piercing horn tweeters. I'm running the Crown from a Yamaha TSR 700 (100 wpc) as pre-out. Any...
    • GreenCoast71
    • Thread
    • bic ev 15 equalization speakers tone control
    • Replies: 2
    • Forum: Speakers
  7. daylite

    Fisher 500C restoration and modification project

    PCBs: IBBA......EFB......Buffer......Phase Inverter TAPE MON to AUX input......Tone Control Bypass TAPE HEAD input to AUX input 500C selector switch function animation Loudness contour modeling and component selection This project is close to an end. A signal strength meter problem came up but...
    • daylite
    • Thread
    • bypass efb ibba loudness circuit phase inverter selector switch tape monitor tone control
    • Replies: 108
    • Forum: Fisher
  8. D

    Identifying guitar tone control capacitor

    I have an old Decca guitar from the 60's with this capacitor that I'd like to replace, but want to make sure I'm identifying it correctly. Lots of old codes out there. The picture isn't super clear, but it reads the following: nichicon .02(K) 50 Would that be a 20pF, 50V cap? Or does the...
  9. tusntuk2

    Kenwood KR-5600 Strange Tone Problem - Know what this is?

    I'm rebuilding a Kenny 5600. Original description was "one side out", and all the lamps are out. This improved some with deoxing the controls, but there were two anomalies. The FM had terrible distortion on one side, and while checking a signal thru the AUX, the Treble control, when turned...
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