Search found 55 matches

by PhilActiveAudio
03 May 2022 18:03
Forum: Acourate
Topic: XO and Time alignment
Replies: 15
Views: 3442

Re: XO and Time alignment

Hi Uli, I performed several measurements today following your recommanded parameters (48 kHz and 262 144 taps): 2 UB jPol11 with order 1 and 3 with order 2 and different XO frequencies. For each crossover, I performed the 3 measurements I mentioned earlier. I will now work now on filters using Room ...
by PhilActiveAudio
02 May 2022 19:37
Forum: Acourate
Topic: XO and Time alignment
Replies: 15
Views: 3442

Re: XO and Time alignment

This is indeed fully understandable. I will do so. I may have some old habits of the DEQX approach which is slightly different and allow iterations with limited number of measurements: 1) Individual drivers measurement at one location on a limited frequency range per driver. Project a: 2a) Window de...
by PhilActiveAudio
01 May 2022 22:07
Forum: Acourate
Topic: XO and Time alignment
Replies: 15
Views: 3442

Re: XO and Time alignment

Humm... I had time to make some testings this evening on 2 different measurements: 0 (as it is, i.e. with drivers physical delays) and 2 (appropriate delays, i.e. drivers aligned with corrected delays). Results of Room macros on measurement 0 is not good at all. I conclude that I will have to perfor...
by PhilActiveAudio
01 May 2022 17:20
Forum: Acourate
Topic: XO and Time alignment
Replies: 15
Views: 3442

Re: XO and Time alignment

Uli, I was wondering if the step Drivers Alignment is a must do or if I can bypass it. I will have to perform new measurements in the coming days as I changed one of my amp. If I do Drivers Alignment for the various combinations of crossover type / order / frequency, I will have to measure 2 times e...
by PhilActiveAudio
25 Apr 2022 12:36
Forum: Acourate
Topic: Save Multiway Filter WAV: bug?
Replies: 1
Views: 245

Save Multiway Filter WAV: bug?

Hi Uli, I possibly found a bug with the Save Multiway Filter WAV function. Once I start the design of a crossover, I first define the Project Workspace Definition folder and then generate the crossover in it. Then I start the Save Multiway Filter WAV function that find the XO1L48.dbl file in the wor...
by PhilActiveAudio
15 Feb 2022 21:25
Forum: Acourate
Topic: Acourate v2 - Crossover Generator v2.0
Replies: 1
Views: 678

Acourate v2 - Crossover Generator v2.0

Dear Uli, I am planning to perform some new measurements to test different XO corners and frequencies as well as mic distance. While preparing rough XOs, I found that Acourate v2.0 brings additional functionalities to the Crossover Generator window: > Filter order can now be incremented by 0.01. Is ...
by PhilActiveAudio
13 Feb 2022 20:22
Forum: Acourate
Topic: Support for Windows11
Replies: 5
Views: 1760

Re: Support for Windows11

I found a bug with Acourate v2 on Windows 11: in the Project workspace definition \ Select or create Acourate workspace folder window, + and - buttons do not work anymore to explore folders structure. There is a workaround: doubleclick on folder name to open it. ----- Edit: in fact, it is working bu...
by PhilActiveAudio
12 Dec 2021 11:08
Forum: Logsweep recording
Topic: Questions before getting started
Replies: 8
Views: 2254

Re: Questions before getting started

Hi Bill I think you are missing one element in the chain. You have the DAC to play the sweep and a preamp with the mic, but you need a card to record the mic. I would suggest you to buy a USB card to be connected to your Mac, to the DAC (using digital connection if possible) and to which you will co...
by PhilActiveAudio
28 Nov 2021 21:24
Forum: Acourate
Topic: How can I adjust the result of the driver linearization
Replies: 6
Views: 1563

Re: How can I adjust the result of the driver linearization

Just to share my experience / testings. I also followed Mitch linearization method for the 3 drivers: tweeter (a Fostex compression driver), medium (a Radian compression driver + Arai horn) and woofer (a Supravox driver in a Jensen vented box). I measured each driver at 40 cm distance. I measured th...
by PhilActiveAudio
31 Oct 2021 17:28
Forum: Room macros
Topic: Macro 0
Replies: 3
Views: 1364

Macro 0

Hi I don’t really figure out what is the use of Macro 0 and related pre filters. I have read that it could be used for external sub. I have seen in Mitch recent video that it could also be used to align bass frequencies before Room 1. If I am right, it could also be used to align responses in L shap...