@@architeq You're the 2nd person I'e heard say that. Shelving EQs are usually labeled from the point at which the shelf starts to curve up, or at least up by 3dB. I don't get labeling the high and low shelf at 20 Hz and 20K. Can someone explain this curve to me?
@@Wizardofgosz In the original circuit of the Studer 169 channel strip,: The default low shelving filter +/- 15dB 20 Hz The default high shelving filter +/- 15dB 20 KHz audioxxx.googlepages.com/EQ_169_STD_frq_selection_lo_filter.pdf audioxxx.googlepages.com/EQ_169_STD_frq_selection_hi_filter.pdf
@@TheKristijanFunaricokay but I just realized that noise we are talking about shows only when input unit is connected to the master output unit... So I don't know what's happenning..
After whole day of resoldering, testing etc I have found very usefull information in the manual: 'This filter noise cannot be attenuated by the linear fader. Therefore switch off all filters when not in use.' So there is an eq noise! ;) And like I said, it only shows when you are using whole desk, with master units. There is no extra noise with eq on when I'm using input unit only. Problem solved... Kinda :p
@@TheKristijanFunaric It really does sound so good! Have you compared this to the typical Pultec or Maag or Clarphonic that seems quite popular for that application?
@@alvincornistamusic8754 i have compared it to Api eq 550a on Api channel strip, and t oWSW 811 450 eq, and even i really love Api and WSW, Studer 169 eq sounds more musical to me.
@@thedarkintervalsTotally! I only have the Bart HRK 169 version and I'm not sure how close that is to the real thing though. But this video was enlightening. Thanks!
kristijan funaric i can do this ;) thank you very much! Ps. About caps. What about voltage of each cap? I know that electrolyts works best when the voltage is minimum. What do you think?
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This kinda makes me excited to start using my Studer mixer which I have never even used yet!
now thats an EQ.
Super nice! Very musical
I'm going to build some of those.
I need it!!!
What opamps in those? OA10D discrete op-amps?
they really sound nice, good thing to keep them alive ! Highs are around which frequency?
i am not sure. they caught sweet spot with bass and highs too
high shelf is 20khz and low shelf is 20Hz
@@architeq You're the 2nd person I'e heard say that. Shelving EQs are usually labeled from the point at which the shelf starts to curve up, or at least up by 3dB. I don't get labeling the high and low shelf at 20 Hz and 20K. Can someone explain this curve to me?
Low 50Hz - High 10K
@@Wizardofgosz In the original circuit of the Studer 169 channel strip,:
The default low shelving filter +/- 15dB 20 Hz
The default high shelving filter +/- 15dB 20 KHz
audioxxx.googlepages.com/EQ_169_STD_frq_selection_lo_filter.pdf
audioxxx.googlepages.com/EQ_169_STD_frq_selection_hi_filter.pdf
Another thing. How noise is your eq? Mine when it's on brings pretty high noise level :/
almost non. pretty quiet with small amount of clean white noise
@@TheKristijanFunaricokay but I just realized that noise we are talking about shows only when input unit is connected to the master output unit... So I don't know what's happenning..
After whole day of resoldering, testing etc I have found very usefull information in the manual: 'This filter noise cannot be attenuated by the linear fader. Therefore switch off all filters when not in use.' So there is an eq noise! ;) And like I said, it only shows when you are using whole desk, with master units. There is no extra noise with eq on when I'm using input unit only. Problem solved... Kinda :p
What are your favorite uses for this EQ?
mainly for brightening stereo mix, or adding clarity do cymbals and hats
@@TheKristijanFunaric It really does sound so good! Have you compared this to the typical Pultec or Maag or Clarphonic that seems quite popular for that application?
@@alvincornistamusic8754 i have compared it to Api eq 550a on Api channel strip, and t oWSW 811 450 eq, and even i really love Api and WSW, Studer 169 eq sounds more musical to me.
@@thedarkintervalsTotally! I only have the Bart HRK 169 version and I'm not sure how close that is to the real thing though. But this video was enlightening. Thanks!
Kristijan - write me something about this drum loop. I got the same input module and master module. Still, the sound is not that big like yours.
these units are fully recpped and switched to work at 18V, rather than original 15V. 18V gives more headroom, and overall, better sound.
kristijan funaric cool! So only main power supply from +15 and -15 to 18?
yes. but it needs to be done by expert. Studer has tolerance to cca 20, or 22 V. So it will not burn at 18, but will work much better
kristijan funaric i can do this ;) thank you very much! Ps. About caps. What about voltage of each cap? I know that electrolyts works best when the voltage is minimum. What do you think?
unfortunatelly i am not engineer. i am musician. my engineer did the job. so i cannot tell you much about these details
One thing. I got original caps. So.....