Database simulation |
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Tiaguito
New Member Joined: 18 October 2011 Status: Offline Points: 5 |
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Sorry, but this data does not match the plan HD1850 because the dimensions of the HD1850 are 63.6 x 75 x 95.6 (http://www.speakerplans.com/index.php?id=1850horn) = 456.012 liters. if the simulation of 520.257?? Look: A User said that the length of the horn HD1850 is approximately 170cm And the largest area, not 6000cm2. the largest area of hd1850 is approximately 4620cm2 |
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DiscernAudio
Young Croc Joined: 08 June 2011 Location: Alabama Status: Offline Points: 541 |
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The extra volume probably comes from the space in front of the speaker that the horn uses as extra horn length. |
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ovidias
Registered User Joined: 03 April 2012 Status: Offline Points: 32 |
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How about this project http://hornplans.free.fr/mtl-46.pdf I have calculate the data input |
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SebP
Registered User Joined: 02 February 2010 Status: Offline Points: 127 |
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Real measurement of MTL-46. I don't think it is the real SPL at 1w/1m. Curve looks like more the one in PDF than your sim
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ovidias
Registered User Joined: 03 April 2012 Status: Offline Points: 32 |
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It depends what driver do you use, with original driver the plot is more flat
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ovidias
Registered User Joined: 03 April 2012 Status: Offline Points: 32 |
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simulation with RCF LF18G401 |
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Ggo
New Member Joined: 29 March 2013 Status: Offline Points: 2 |
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It's my measure ! SPL isn't calibrate.
In your input data you've forget the first part of path between throat and your S1. |
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Avatron
Registered User Joined: 26 May 2013 Location: Austria Status: Offline Points: 29 |
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Can somebody help me with my simulation, please?
I believe there is an error somewhere because of the cone excursion. In the picture below xmax is simulated with 900 Watt. But it also reaches xmax with 200 Watt simulated. Input data: Respone half usb gettin a warning, when i try to sim more than 3 speakers response 6 half usb (3 full usb) MaxSPL (3 full usb) Diaphragm displacement thx in advance avatron |
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Avatron
Registered User Joined: 26 May 2013 Location: Austria Status: Offline Points: 29 |
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Addon:
I also simulated USB + Celestion ftr18 4080hd, and it was the same thing. Max excursion at 100 watt! How can this be? There must be an error in the input data, but i dont get it! Would be nice if somebody could help me! thx Avatron
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DiscernAudio
Young Croc Joined: 08 June 2011 Location: Alabama Status: Offline Points: 541 |
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I doubt this will help your problem , but for the LF18G401, Mmd should be 160.11
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bee
Old Croc Joined: 14 June 2011 Location: Middlesex Status: Offline Points: 4553 |
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es18
s1=800.88 s2=987.00 con=12.68 s3=1359.24 con=27.69 s4=3575.76 con=37.12 vrc=79.91 lrc=54.69 vtc=51330.00 atc=2915.00 half usb 18 s1= 825.60 s2=877.2 con=13.00 s3=1210.00 con=20.50 s4=2770.00 con=33.50 vrc=46.50 lrc=22.70 vtc=31205.00 atc=2100.00 hope this info helps....
Edited by bee - 17 June 2013 at 10:40pm |
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https://www.elements-audio.com
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Avatron
Registered User Joined: 26 May 2013 Location: Austria Status: Offline Points: 29 |
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I checked the input data, but it is already correct in hornresp.
Dont get it how this thing with the excursion can be.
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