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Author Topic: Can you switch the horn on SRX cabinets?  (Read 3269 times)

Steven Gustafson

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Can you switch the horn on SRX cabinets?
« on: January 26, 2011, 11:15:13 PM »

Just wondering, I'm looking at purchasing some SRX 725s over twin 718Ss but I'm wondering if I could swap horns later on.

Because they are the same size, etc.  Can I swap the standard 75x50 horn with a 60x40 model 2385A?  Would I run into alignment, crossover or other problems?

Also, has anyone ran 725s bi-amped giving the lows 3200 watts vs. 2400 watts?  Any problems?  The 2265 driver is a 1600 watt driver right?
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Tom Reid

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Re: Can you switch the horn on SRX cabinets?
« Reply #1 on: January 28, 2011, 10:40:46 AM »

Just wondering, I'm looking at purchasing some SRX 725s over twin 718Ss but I'm wondering if I could swap horns later on.

Because they are the same size, etc.  Can I swap the standard 75x50 horn with a 60x40 model 2385A?  Would I run into alignment, crossover or other problems?

Also, has anyone ran 725s bi-amped giving the lows 3200 watts vs. 2400 watts?  Any problems?  The 2265 driver is a 1600 watt driver right?

SRX 725 have a 2 bolt, bolt on horn.
If the throat and bolt pattern are the same on the 2385a then physically it can be done.
I don't forsee acoustic problems, since the drivers are used in other JBL cabs with different coverage aspects.
The 2265 is rated 1200/2400/4800w
I biamp a pair of 725 with XTI1000 on tops, XTI6000 on mids.
At full tilt, the mids should see 2100w.
I've never been able to get there. 
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ThomasKielhofner

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Re: Can you switch the horn on SRX cabinets?
« Reply #2 on: January 28, 2011, 06:30:05 PM »

The SRX 725 uses the JBL 2451 compression driver, which has a 1.5" throat and different mounting than the 2" throat JBL 2385A horn. They won't work together because of this.
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Steven Gustafson

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Re: Can you switch the horn on SRX cabinets?
« Reply #3 on: January 28, 2011, 08:17:50 PM »

Nice catch.  I missed that.  After more reading, I might look into Danley stuff.
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ProSoundWeb Community

Re: Can you switch the horn on SRX cabinets?
« Reply #3 on: January 28, 2011, 08:17:50 PM »


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