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Old 19th March 2012, 05:19 PM   #1
djlivex is offline djlivex  United States
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Default 12" tapped Horn Plans?

Can anyone help me if there is a recommended 12" tapped horn design works well from 45-125Hz soundwise and performance wise? Must be designed around two different brands available here in the USA I prefer Faital Pro 12" if it can be used as an alternate woofer (new ferrite line)? Thanks everyone!
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Old 19th March 2012, 11:37 PM   #2
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Quote:
Originally Posted by djlivex View Post
Must be designed around two different brands available here in the USA
There are MANY brands available in the US. And FaitalPro looks to have at least nine 12" models. What exactly are you looking for?
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Old 20th March 2012, 01:29 AM   #3
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I believe Art (weltersys) is working on one for that exact low corner right now....
With a B&C 12" I'm pretty sure...
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Old 20th March 2012, 02:01 AM   #4
djlivex is offline djlivex  United States
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Default 12" Tapped Horn Plans?

Thanks for the reply I was thinking of using the 12 HP1030 12.45mm Xmax or (12HP1010 cheaper) expensive but willing to cut some of my savings in the bank, wifey doesn't know hehehehe . . . .
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Old 20th March 2012, 02:03 AM   #5
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He mentioned it in another thread. Give him a little time!
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Old 20th March 2012, 09:15 AM   #6
sebDIY is offline sebDIY  Belgium
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The MTH-30 is very popular in Europe and and I think it is compatible with the 12HP1010.
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Old 20th March 2012, 10:59 AM   #7
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FaitalPRO - Professional Loudspeakers Made in Italy

Nice looking driver, I wonder when it will be available and how much it will cost.

From what I have seen, Faital announces product well in advance of availability.

With a No=.83% (91.2dB) it's not very efficient either, although a TH will probably add as much as 6dB or so.
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Old 20th March 2012, 11:10 AM   #8
djk is offline djk
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No=1.25% (93dB)

x-max=11.17mm (Faital method of gap height/3 plus coil overhang)

LF Cast Chassis / Ferrite - FTR12-4080HDX - Celestion - Guitar, Bass & Pro Audio Speakers

$99 from Recone Kits
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Old 20th March 2012, 12:04 PM   #9
djk is offline djk
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2dB 45hz~150hz, 99dB average at 2.83V/1M, does not exceed x-max with 80V RMS sine wave! 100.6dB at 50hz 2.83V/1M

About 129 liters (net).

******************************8

| 45 Hz Tapped Horn

Def_Const |Horn Dimensions

{
a1 = 150e-4; |Area at throat (cm^2)
a2 = 200e-4; |Area at rear of driver (cm^2)
a3 = 1100e-4; |Area at front of driver (cm^2)
a4 = 1200e-4; |Area at mouth (cm^2)
l1 = 18e-2; |Distance from throat to rear of driver (cm)
l2 = 195e-2; |Line distance from rear of driver to front of driver (cm)
l3 = 25e-2; |Distance from front of driver to mouth (cm)
}

Def_Driver 'Dr1'

| Celestion FTR12-4080HDX

Sd=530cm2
fs=61.2Hz
Qes=0.446
Qms=2.28
Vas=24.79L
Re=6.05ohm
Le=1.92mH

system 'S1'

Driver Def='Dr1' Node=1=0=3=4
Waveguide 'W1' Node=2=3 STh={a1} SMo={a2} Len={l1} Conical
Waveguide 'W2' Node=3=4 STh={a2} SMo={a3} Len={l2} Conical
Horn 'H1' Node=4 STh={a3} SMo={a4} Len={l3} Conical

**********************************
2dB 45hz~150hz, 99dB average at 2.83V/1M, does not exceed x-max with 80V RMS sine wave! 100.6dB at 50hz 2.83V/1M

About 129 liters (net).
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Last edited by djk; 20th March 2012 at 12:10 PM.
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Old 20th March 2012, 12:31 PM   #10
djlivex is offline djlivex  United States
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Default 12" Tapped Horn Plans?

They will be available in the US 1st quarter '12, Sensitivity for the 1030 is 95dB, 1010 is 96dB price MAP $348 1030 and $270 for 1010. I am leaning towards the 1030 2 X tapped cabinets. Thanks!
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