High Efficiency Speaker Asylum

Time alignment @ 70Hz

67.176.255.102

Mats Gunnars

In Reply to: RE: optimal horn type posted by MINGSU on June 01, 2007 at 19:22:30

Hi Ming,

Sounds like you have quite a wonderful system going there.
What are your observations WRT time alignment in the 70-400Hz range?
Do you use digital delay, and if so how does it work for you?
Also interesting how you can shorten the horns by adding drivers.
Could be a little expensive right :-)
That 70-150 range is a real bear to deal with.

Take care,

Mats

Follow Ups:

RE: Time alignment @ 70Hz - MINGSU 15:18:02 06/03/07 (2)
Mats,
My bass horn won't be ready until end of July. By then, I will deal with the time alignment issue, however, since the horn length is just 102", the issue should be min. I am using active crossover and can deal with that in that domain if needed.
- Digital filtering - Mats Gunnars 17:08:26 06/03/07 (1)
  Ming,
  
  So you are already getting "Goto-quality" filtering in the digital domain?
  Do you care to elaborate? I have a DCX2496 that Jeffrey Jackson tweaked, waiting for the right project.
  102" is not bad at all. Is it a J-horn? How big is the mouth? Late July arrival eh? Please share pictures!
  
  Mats
  - RE: Digital filtering - MINGSU 17:18:13 06/03/07 (0)
    NO. I will have to wait until the bass horn is ready and all the other driver in place to deal with time issue. According to other GOTO user, there is no problem to deal with that. Some use digital domain to adjust but most do not have to do any.
    
    All horns are straight horn including the bass horn. GOTO insists on using only straight horn for all their driver.
    
    Sure, I will post sme pictures once the system is ready.

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