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In the Forum: Horn-Loaded Speakers
In the Thread: Eventually - a reasonable midbass horn from GOTO
Post Subject: Goto - continue education...Posted by Romy the Cat on: 2/15/2008
 MINGSU wrote:
    SG505TT + S150 horn crossover at 180 Hz is not recommended by GOTO.  The SG505TT driver is not recommended to use with single throat S150 horn.  Double SG505TT driver is recommended to use with single throat S150 horn.  To use single throat S150 horn, GOTO recommend to use the SG570 driver.  The crossover point for S150 horn should be 200Hz and up to 1kHz only with 1st order/6dB active filter.  For passive filter, 2nd order /12dB filter is recommeded.  Hope this help.
Ming,

thanks for clarification but I have a problem with it. You say that Goto recommend to use own 505 driver with above 200Hz horns, let say 250Hz. From another perspective Jeffrey Jackson above said that “ 505 being a low resonance compression driver.. there just aren't many drivers with a resonance in the 80 to 100 Hz range like this driver... “ So, does Goto propose to use a compression driver with 90Hz resonances in 250Hz horn? Are they out of their mind? If so then it would not be a wonder why the Goto horns with their own drivers allegedly underperform in bass. Interesting that Jeffrey liked his 505 in 150Hz horn, it would be educational to head his comment on the subjects. I wonder if I need to be as jerk and send him a pair of Fane to try :-)

Actually this thread is becoming quite educational for me.

Rgs, The caT

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