Used JBL a Active crossovers for sale on + second hand hifi sites & shops. Use Hifi Shark to monitor pricing and global availability. I have found a jbl a crossover that is an improved version of the jbl , but the jbl a should be used with a woofer of 8 ohm instead. These were part of a speaker system that was installed in a church in the vaulted ceilings back in the 70’s. They were treated very well while they were.

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A Crossover Network by JBL Professional Valuation Report by

See terms – opens in a new window or tab. See full item description. Now, there are some key words that must be followed when ordering this switch.

Sure what you can do is look at JBL Pro’s site to fing 3110 couple of systems that have them then go into there techsheets for the schematics. I had to hand sand the edges to allow for the slight curve of the horn, and also, beveled the edge so it cosmetically flowed into the horn side.

passive equalization for A horn

New wood, glued and nailed made for a stronger corner. One of the biggest drawbacks to this cabinet style was “limited bass response”.

I also wish to use these speakers as part of a theatre set up using passive xovers and a 3110 processor amp. The back and front trim were then covered with semi-gloss black.

JBL Frequency Dividing Network Crossover 3110A

Skip to main content. The inside tops were fitted with mirrored shelves and the speaker baffles and drivers were removed.


The boxes are about 15 cu ft each and tuned to 20 Hz. In the meantime, I gutted the cabs. It’s difficult to modify the jbl s crossover to use it with a woofer of 16 ohm, like the B? Also saw a ref to which uses a A horn with a A network.

I have a jbl with a woofer with an impedance of 16 ohm, so I should use a jbl crossover with it. Subject to credit approval. Jan 17, At the risk of being dragged out of the forum and burned at the stack I’ll make a suggestion. Originally Posted by Baron The tweeter, horn, and crossover networks came from Cerwin Vega Rs, which were designed with a rear firing tweeter. All times are GMT It was perfect for skimming and building up the surface back to square and flat.

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This item will ship to United Statesbut the seller has not specified shipping options. Well it started a long time ago with me buying two speaker cabinets from the 50’s to take on as a restoration 311a modification project. Learn More – opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc.

3110a contacted Minnesota Trophy and Gifts here in my home town. With three large sheets, I was able to match the grain from top to sides, and the sides on each speaker have the identical peak patterns. Interest will be charged to your account from the purchase date if the balance is not paid in full within 6 months.

May not ship to United States – Read item description or contact seller for shipping options. But after helping my Technician Steve out with reducing his vast, vintage inventory, he brought me over to his place and after a jvl hours of moving inventory I came home with some less than perfect JBL pro cabs.


So, it is the only item that will need some custom fabrication and trimming. For additional information about the R-cube, contact Curt Fisher at sales audiocubics.

I was thinking along similar lines and discovered that the 3110a uses the A horn. Please enter 5 or 9 numbers for the ZIP Code. Email to friends Share on Facebook – opens in a new window or tab Share on 31110a – opens in a new window or tab Share on Pinterest – opens in a new window or tab. See other items More An extra piece of aluminum was cut to extend the main front panel.

Results jjbl somewhere in between semi-gloss and gloss, but softer than poly. I added two more ports, equally spaced in the middle, to match the port volume of the two I had closed at the top.

A plastic, diamond-grid box was installed to cover the exposed wiring. This led to rock solid cabsdense and vibration free.

Seller assumes all responsibility for this listing. There are 1 items available. Back to home page Return to top. I had already decided on my veneer, which was to be Sapele wood.

Anyway will do some modelling and see what comes of it.