heart MHB-46

10 years 8 months ago #7588 by bee
Replied by bee on topic MHB-46
nicky i have had a lot on this week i should have a lighter work load after weekend so i can sim something up then.....

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10 years 8 months ago #7591 by nickyburnell
Replied by nickyburnell on topic MHB-46
Great. I'm OK with reflex stuff, really need a week free to sit down and learn the basics of horn simming. As to when.... smiley13

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10 years 8 months ago - 10 years 8 months ago #7620 by mykey-
Replied by mykey- on topic MHB-46
HR input for this is......

S1 799.2
S2 800
con 33,70

S3 1443
con 17.20

S4 3141
con 59.30


VRC 139.20
LRC 29

AP 326.20
LPT 18

VTC 8400
ATC 1400

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10 years 8 months ago #7623 by nickyburnell
Replied by nickyburnell on topic MHB-46
Thank you

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10 years 7 months ago #7624 by JJD
Replied by JJD on topic MHB-46
S1=800
S2=800
con 36.40

S3=1449
con= 17.70

S4=3300
con 59.50

VRC = 149
LRC=29

AP=326
LPT=18

VTC = 4740
ATC=1411

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10 years 7 months ago #7626 by nickyburnell
Replied by nickyburnell on topic MHB-46
smiley5

OK, so which.
JJD are you the designer?

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10 years 7 months ago #7632 by bee
Replied by bee on topic MHB-46
i would go with mykey's just based on his knowledge and the amount of cabs he has designed....

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10 years 7 months ago #7633 by bitzo
Replied by bitzo on topic MHB-46
Mykey, why lrc is 100? the panel under the driver is 65...the total cab's depth is 75...am I missing something?

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10 years 7 months ago #7634 by JJD
Replied by JJD on topic MHB-46
Why the Mickey sim is wrong:

The distance between driver diaphragm and event (LRC) can't be 100. Here is the schematic diagram of Hornresp:



And if you put 100, you shift delay and phase which create a gap above 100 Hz. On real horn, the LRC hasn't influence on this, but it will make a difference in hybrid horn.

Second error: There is no expansion from the first part of the horn. It's a duct ! There isnt't any need of measurement to see it just watch it:



So the first part of the horn is 56,4 * 14.2 = 800, and 800 is S1 and S2 !

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10 years 7 months ago #7635 by bitzo
Replied by bitzo on topic MHB-46
JJD I have some doubt about s1, this cab have a letterbox throat, your sime in hr it's totally correct to me...Just IMHO but in akabak we have to split this section in 2 duct one of 22,2x36 lenght 1,8 and then the HR first section as you described. And then...if lrc is so important we need to change the hr conversion to akabak using the VB tag.

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