heart MTH-30

9 years 1 week ago #9191 by COZY PILLOW
Replied by COZY PILLOW on topic MTH-30
How high does this cab go to with the PD driver. It says from 42Hz. would it make a good kick cab?

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8 years 11 months ago #9463 by lazyman
Replied by lazyman on topic MTH-30
Hello

Plan said nothing about bracing.

What panels should be braced ?

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8 years 11 months ago #9465 by bee
Replied by bee on topic MTH-30
if you look at the first photo after the plan, you can see what and where to add bracing...... hope this helps.

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8 years 11 months ago #9496 by lazyman
Replied by lazyman on topic MTH-30
Ok, i see that, but what about unbraced side near horn mouth?

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8 years 11 months ago #9607 by CuttaBoi
Replied by CuttaBoi on topic MTH-30
Anyone know how low 1/2 will go in 1pi? also how high is everyone crossing these?

Cheers

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8 years 10 months ago #9719 by GekoMusic94
Replied by GekoMusic94 on topic MTH-30
The pic of the MTH-30 on the plans page is my smiley16 !

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8 years 10 months ago #9728 by bee
Replied by bee on topic MTH-30
good job Geko...... smiley16 How have you found this cab so far......

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8 years 10 months ago #9753 by GekoMusic94
Replied by GekoMusic94 on topic MTH-30
It's a very good cab... Mine is loaded with RCF LF12G301. It goes surprising low smiley1 ! It's a SUB and i need a kick bin because my tops are only 2 8" smiley24 ...

Best Regards, Giacomo.

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8 years 8 months ago #10616 by monomer
Replied by monomer on topic MTH-30
Greetings all!

I think I've found a suitable driver, made here in the US (and a bit cheaper then the PD)

Eminence Definimax 4012HO 12" Driver:
http://www.parts-express.com/pe/pshowde ... tab=2#Tabs

Specs:
*Power handling: 600 watts RMS/1,200 watts max
*VCdia: 4" *Le: 1.17 mH
*Impedance: 8 ohms *Re: 5.85 ohms
*Frequency range: 49-2,500 Hz
*Magnet weight: 109 oz.
*Fs: 46 Hz
*Sensitivity: 94 dB 1W/1m
*Vas: 2.1 cu. ft.
*Qms: 5.74
*Qes: 0.38
*Qts: 0.35
*Xmax: 6.2 mm
*Dimensions: Overall Diameter: 12.38", Cutout Diameter: 11.06", Mounting Depth: 5.32".

Can someone more well-versed in HornRESP model this? I happen to have a couple of these drivers that need to be reconed sitting here, if it sims well; I'll build a bunch!

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8 years 8 months ago #10630 by sine143
Replied by sine143 on topic MTH-30
If someone is thinking about modeling the 4012, would they mind modelling the Delta 12 lf as well? I have 2 on hand, and although I love them in my T30s, I just built some T48s, and I want a nice small box to throw the d12lfs in.

specs are

Resonant Frequency (fs) : 51Hz
DC Resistance (Re) : 6.06
Coil Inductance (Le) : 1.45mH
Mechanical Q (Qms) : 7.28
Electromagnetic Q (Qes) : 0.51
Total Q (Qts) : 0.47
Compliance Equivalent Volume (Vas) : 67.9 ltr/2.4 cu. ft.
Peak Diaphragm Displacement Volume (Vd) : 243cc
Mechanical Compliance of Suspension (Cms) : 0.19mm/N
BL Product (BL): 14.1 T-M
Diaphragm Mass inc. Airload (Mms) : 51 grams
Efficiency Bandwidth Product (EBP) : 100
Maximum Linear Excursion (Xmax) : 4.8 mm
Surface Area of Cone (Sd): 506.7 cm2
Maximum Mechanical Limit (Xlim): 13.5 mm

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