• March 27, 2019

Let’s assume watts peak Crown XTi bridged mono I’m calculating roughly 8. You guys are a great resource. Runs out of excursion between 20 and 30 Hz depending on added mass. Last edited by LTD02; at For the best viewing experience please update your browser to Google Chrome.

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Originally Posted by Wrager.

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JBL 2269H 18″ Low Frequency Transducer 354096-001X

What does that sound like? Next thought was to look at a passive radiator. I’m not sure if a single p.

I don’t know much about them but Parts Express has an 18″ model. Runs out of excursion between 20 and 30 226h9 depending on added mass. Any help or advice on optimization would be appreciated.

I used the 3″ Precision Ports on the M2 clone so I figured a pair of the 4″ or 6″ should do the trick. Jbo Posted by LTD I’m not sure what their impact might be on sound quality if any. Originally Posted by mobeer4don. Haven’t done the math on slot ports because the first goal was to match the Sub18 look if you can call it that. Probably 22269h to no difference for a low tuned build.


Used jbl h for Sale |

I also have some rosewood veneer I plan to use and need to verify the dimensions before I get too far into it. Guessing from the photo ports are Come to think of it I could incorporate the slot port into a riser to get it up off the floor and eliminate the “problem” of the port consuming box volume 22669h I give up on round ports. I’m not sure if the ports are straight ports or not.

Unfortunately the port velocity is very high for the 4″ ports below 40Hz.

My new CNC router is limited to about 31″ x 32″ Remove Advertisements Sponsored Links. Keeping within the spirit of the SUB18, but going bigger cab, bigger ports, lower tuning I picked up a H to build a Sub18 clone go with my M2 clones or close 2296h.

JBL H – ported or passive? Need a little help Not much extra work to have the option of testing both configurations. I’ve been kind of curious too, so I grabbed the front perspective image from the site.


I’m calculating roughly 8. The Sub18 specs http: You guys are a great resource.

ok who have any info on jbl h

Wow Don-where were you able to find the ? Last kbl by LTD02; at I guess my question really come down to finding the solution that is most tolerant of being driven stupid loud at 20Hz while yielding acceptable SQ. BB code is On.