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Author Topic: Need good 1.4 inch compression driver !!  (Read 305 times)

NicolasRuiz

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Need good 1.4 inch compression driver !!
« on: October 18, 2019, 03:12:26 am »

Hello new in town.  Previously used 1 inch Comp drivers but changed design to a new type 1.4 inch linear array high frequency horn.   Need frequency coverage from 1600 Hzs and up.  The more dBs per watt the better (>110) and frequency extension like at least 16KHz reasonably flat would be nice.  Used ring radiators CD in the past but seem all are 1 inch like BMS 4540.  Maybe use an adaptor 1 inch to 1.4 if no good 1.4 inch candidates are available? Any suggestions appreciated.
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Chris Grimshaw

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Re: Need good 1.4 inch compression driver !!
« Reply #1 on: October 18, 2019, 05:43:52 am »

Plenty of good 1.4" options. I use the 18Sound ND1460 on RCF HF94 horns, and they do the job every time. They need a bit of EQ to get the top end up, but apart from that they're very smooth and have useful output to around 800Hz.

Have a look at the usual suspects (B&C, Faital Pro, RCF) and see what's out there.

Chris
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Ivan Beaver

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Re: Need good 1.4 inch compression driver !!
« Reply #2 on: October 18, 2019, 08:18:30 am »

Hello new in town.  Previously used 1 inch Comp drivers but changed design to a new type 1.4 inch linear array high frequency horn.   Need frequency coverage from 1600 Hzs and up.  The more dBs per watt the better (>110) and frequency extension like at least 16KHz reasonably flat would be nice.  Used ring radiators CD in the past but seem all are 1 inch like BMS 4540.  Maybe use an adaptor 1 inch to 1.4 if no good 1.4 inch candidates are available? Any suggestions appreciated.
Why specifically are you looking at a 1.4"?

Very often smaller drivers will give greater output at the higher freq.

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A complex question is easily answered by a simple-easy to understand WRONG answer!

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Peter Morris

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Re: Need good 1.4 inch compression driver !!
« Reply #3 on: October 18, 2019, 10:37:02 am »

Hello new in town.  Previously used 1 inch Comp drivers but changed design to a new type 1.4 inch linear array high frequency horn.   Need frequency coverage from 1600 Hzs and up.  The more dBs per watt the better (>110) and frequency extension like at least 16KHz reasonably flat would be nice.  Used ring radiators CD in the past but seem all are 1 inch like BMS 4540.  Maybe use an adaptor 1 inch to 1.4 if no good 1.4 inch candidates are available? Any suggestions appreciated.

This is one of the best avalible ...

https://www.audioxpress.com/article/test-bench-eighteen-sound-nd3st-1-4-compression-driver
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Douglas R. Allen

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Re: Need good 1.4 inch compression driver !!
« Reply #4 on: October 18, 2019, 11:42:06 am »

Hello new in town.  Previously used 1 inch Comp drivers but changed design to a new type 1.4 inch linear array high frequency horn.   Need frequency coverage from 1600 Hzs and up.  The more dBs per watt the better (>110) and frequency extension like at least 16KHz reasonably flat would be nice.  Used ring radiators CD in the past but seem all are 1 inch like BMS 4540.  Maybe use an adaptor 1 inch to 1.4 if no good 1.4 inch candidates are available? Any suggestions appreciated.

https://www.parts-express.com/cat/horn-drivers/33?N=21711+4294967118+4294963823&Ne=10166&Nrs=collection%28%29%2Frecord%5Bendeca%3Amatches%28.%2C%22P_PortalID%22%2C%221%22%29+and+endeca%3Amatches%28.%2C%22P_Searchable%22%2C%221%22%29%5D
Not sure of your location but plenty here.

Douglas R. Allen
« Last Edit: October 18, 2019, 11:45:05 am by Douglas R. Allen »
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Re: Need good 1.4 inch compression driver !!
« Reply #4 on: October 18, 2019, 11:42:06 am »


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