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Hi, Here Subwoofer Bass Reflex simulation with TOP, speaker, is 25ms audible at 60 Hz , 45ms audible at 40Hz ? If i correct this with FIR or EQ IRR, i add 50ms system latency, it's important ? So High Group Delay are audible at low frequency vs long time decay in Bass ? Please Help :)

Hi, Great review of Anselm Goertz, here : https://www.production-partner.de/test/test-rcf-art-945-a/ Explain the new BASS Motion DSP feature, and the Time delay... Regards, O.F https://www.rcf.it/en_US/products/product-detail/art-945-a/1643784 ]

hi, https://www.devialet.com/fr-fr/phantom-speaker/phantom-i/phantom-i-103db-light-chrome/ Case 1 : (MIC RTA calibrated at 94 SPL, in living room (not ideal) at 0,5 meter) Normal mode (latency lowered 190ms to 60ms (minimum) in Devialet Android APP), Volume 90%, MOTU 8A toslink output ->...

Hi, MINIDSP OpenDRC-DI REW TOSLINKloopback measurement : Clock motu internal 44100 Hz (external optical clock don't work because minidsp is at 480000 : MOTU 8A 44100 TOSLINK out -> miniDSP(48000) TOSLINK IN -> miniDSP TOSLINK OUT(48000) -> MOTU 8A TOSLINK in the ASRC of MINIDSP doesn't...

Hi, I've made a digital crossover with my MAC OSX , AUDIOHIJACK/LOOPBACK/CONVOLUTION SOFTWARES, WITH F.I.R 20HZ to 80Hz : (SUB) 2 WAY STEREO, IMPULSE 32 BITS, CROSSOVER LOW PASS : FIR LINEAR BRICKWALL WITH 2048 TAPS - 80Hz ( calculated with REPHASE) 80HZ to 700 Hz : (SAT 2 WAY) 2 WAY STEREO...

Hi, I've made a Digital FIR Crossover on my MAC OSX for my SUB , WITH REPHASE, and FIR filters at 110, 2048 taps, 32 bits FLOAT / 44100. My audio files are flac : 16/44100 When i analyse after this CROSSOVER, it's 100% linear phase and 33% bit pecfect , volume perfect: https://deltaw.org/...

Hi, here the CLASS D amplifier of the new RCF 45 HDM : Captured from Here : https://www.rcf.it/fr_FR/products/product-detail/hdm-45-a/1013924 Seems to be ICE POWER made for RCF ? AS1200 ? but i don't find the exact..... If someone have an idea to identify this amplifier.... Regards...

Hi, I try the great free software 'rew', but i'm a noobie : Measurement after MOTU 8A DAC (after ADC calibration - loopback ): And RTA measurement of same 1000 Hz at 90 DBA, after DAC, after ADAU 1701 CROSSOVER in RCF HD-32 active speakers, and after CLASS-D amplifier of those active...

hi, Video : Tutorial for MOTU 8A or other multi out AUDIO INTERFACE, to build a linear phase CROSSOVER : Best regards, Olivier F.

Hi, Is there a way to add the level of protection against the usb ground loop and the transparent behavior regardless of the external power supply in your measurements for each DAC ? Edit : Because some DACs have good sound but bad USB isolation, and others a medium sound but a very good...