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Author Topic: JBL SRX800-P series new firmware released - Now with more input gain!  (Read 2105 times)

Ivan Beaver

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and also a sensitivity adjustment so there is an option for a more normal amount of gain to drive them to full output, rather than the "pro input level" they previously required (26dB gain instead of the more common 32dB gain).  It only took four years to fix the sensitivity issue. 

I wonder how many sales they lost because they sounded 6dB quieter than all of their competitors in GC side-by-side comparisons.
Several decades ago, there was a large music store in the DC area that was convincing musicians that Brand X amplifier watts were louder than brand Z amplifier.

They would prove it as well.

Let's say both amplifiers were rated at 500watts/channel (common range back then).

If you hook a signal and speaker to brand X it would be louder than brand Z.  So it had "more powerful watts", at least in the simple mind of many musicians.

Of course the reason was the input sensitivity.  It simply took less to drive brand X.

Back then (it has changed now), I used to fix a number of brand X amplifiers, and none of them ever meet spec.  So in reality, brand X watts were "less powerful" than brand Z.  But the way the test was setup, it easily convinced many.

Also the store made higher profits off of the sale of brand X, so of course they used to push them anyway they could.

I have seen the same type of faulty test used to say that brand B console had less noise than brand A console.

They would "prove it" by turning up all the gains and faders and simply listen to the noise.

Never mind the fact that the console that produced the greatest hiss ALSO had more gain, that little fact was overlooked.

But if you don't understand what is going on, it is easy to be fooled.
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A complex question is easily answered by a simple-easy to understand WRONG answer!

Ivan Beaver
Danley Sound Labs

PHYSICS- NOT FADS!

Chris Hindle

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Just goes to prove, there is no such thing as a "simple" Listening Test.
One shop I worked at in the mid 80's had "The Guys" from Blose in to show off their newest creation....
"Oh no, no, no. You can't swap back and forth with the JBL or Adamson, they are not the same thing at all"
No shit, Sherlock.
Chris.
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Ya, Whatever. Just throw a '57 on it, and get off my stage.

doug johnson2

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Several decades ago, there was a large music store in the DC area that was convincing musicians that Brand X amplifier watts were louder than brand Z amplifier.

Would this be the same store that use to do bad set ups on Fenders and Gibsons so they could sell more of their in-house import brands?
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Dave Garoutte

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I remember a display for Monster when they first started making speaker cables.  They had an a/b switch test stand with 3' of 12ga(?) Monster compared to a roll (maybe 50') of regular 24ga(?) auto speaker wire. 
Boy, the monster sure sounded better!  Let's buy that. (at ten times the price of zip cord).
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Nothing can be made idiot-proof; only idiot resistant.

Events.  Stage, PA, Lighting and Backline rentals.
Chauvet dealer.  Home of the Angler.
Inventor.  And now, Streaming Video!

Daniel Levi

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I remember a display for Monster when they first started making speaker cables.  They had an a/b switch test stand with 3' of 12ga(?) Monster compared to a roll (maybe 50') of regular 24ga(?) auto speaker wire. 
Boy, the monster sure sounded better!  Let's buy that. (at ten times the price of zip cord).

There was a quote on another forum from someone who went into a retailer of consumer AV equipment to be told that "monster is teh brand the BBC use", little did they know that he worked on the standard the BBC used for one of their cables (CO-AX I think). Plus I doubt the BBC would be too happy about using cables with moulded ends or unbranded connectors.
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