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He is still using an XTi on the 12’s so the math still stands. Unless you are running more than 1 cabinet a side in which the low freq would couple and you would want more HF. It may take watts to get 10k up to reference for that guy 45 degrees off axis. One has a blown and I was thinking of putting in x-overs from A’s or modifying the originals to have the ‘s do all the work and by-passing the ‘s.
Most people just remove the buttcheek and then boost the top octave on the main eq. I recently got a steal of a deal on a pair of jbl SRA’s.
Kbl, if there is no low-pass on it, then just unplug the baby cheeks and call it a day. An amplifier capable of 67 volts at 8 ohms is equal to Other choices include the RCF 4Pro and a few others in the same general shape as what you had. So, to even meet 473 basic watt program rating, you’d want an amplifier of at least I thought you were bang on until you started talking about impedance. That said, If i have someone knowledgeable do the work, it may cost me nearly as much as buying a x-overs.
You have a lot of options in powered single 18″ subs from all of the above mentioned vendors, plus some interesting horn loaded ones from Danley that can be ordered in a powered configuration. Peak voltages above the heat level the driver can take may be an excursion problem, and they may not.
From my experience, the baby cheeks do not keep up, and do blow easily.
JBL T Speaker | Southern California Cinetech
The JBL manufacturing process permits the use of rim-centered diaphragms for instant interchangeability and ease of field service.
I am certainly an advocate for large HF amplifiers, but suggesting a watt amp for long term power is unrealistic without a very unique side chain limiter. What’s new New posts New profile posts Latest activity. Silas Pradetto Graduate Student Mar 25, Jan 11, 2, 0 0 Land of Steady Habits www. I am wanting to possibly go to powered mains but I am unsure what can keep up to the JBLs.
Am I crazy for thinking this, should I just repair the blown and call it a day? High temperature voice coil former materials and adhesives enable the J to handle high power levels over extended periods of time.
Forums Pro Audio Junior Varsity. Search Everywhere Threads This forum This thread. Also on a cabinet like this, I wouldn’t worry 2 seconds about 10k and up. Also in the marketplace thread, I kbl that you should pretty easily be ubl to delete the low-pass on thewhich is probably just two components, an inductor and a capacitor.
Everywhere Threads This forum This thread.
JBL SR4732X Fly Version Crossover 129-30014-01
I always wondered why jbl crossed the so low 6k. How do you mix 90 x 50 with x ?
The XTi will be a perfect match for this driver. So yes, a watt amp at 16 ohm would suffice.
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I don’t want to start a crossover topology war here on the top end. By the time power compression kicks in on the woofs and our affinity for a laid back HF, I still say that watts 4372 do the job. Mar 12, 0 16 Il. Thread starter Gary Weller Start date Mar 24, Just about everybody with these cabs does what you are wanting to do.
Realistically you can use anything on the horns.
JBL recommends a watt amp at 8 ohms. On top of all that, we Americans usually go a little heavy on the low end and have the HF response stepped down a bit. Where do you put the mic to measure the delay time between 2 cabinets that are splayed correctly? In the meantime, here is the way the PA was configured this evening for an outdoor show. Jan 13, 4 18 57 Covington, Ohio www. Members Current visitors New profile posts Search profile posts.
Tim Weaver Senior Mar 25, Plenty for sibilants and cymbals.
Worry about power at the driver’s minimum impedance s. Mounting Type4-Bolt Exit Diameter1.
Silas, I’ve got the pdf’s from both the a and the a. Like I said, it ain’t right, but it’ll work. At a certain point you are wasting money buying wattage that you will never use.