Josh’s Jack 210

[invidiosulus]

I built a Jack 210 last week.

I used some Chinese Eminence neo drivers that I picked up really cheap from parts express a while back as the specs seemed to be within the recommended range.

So far I’m really enjoying the sound.
I should get a chance to try it out at band practice this weekend and see if it can do a better job of keeping up with our drummer than the Markbass combo amp we had in our practice space.

I still haven’t decided on a finish for the cab.
I wanted to play it for a bit and make sure it didn’t fall apart or have any leaks before I got some finish on it.

[Tom Smit]

Well done!
Waiting for your review.

[invidiosulus]

Got a chance to try out the Jack 210 at a live show last night.
It was actually my first live gig since 2001.
Some friends of mine and I set up a festival to raise money for our town of Spruce Pine to deal with the aftermath of Hurricane Helene and we were the final act.

I was running a my Squier vintage modified JB into an HX stomp with LA compressor and Ampeg B15 blocks, out of the stomp I split to the PA and my ancient GK 400RB into the Jack 210.
My band uses IEM’s and I didn’t technically need the amp and cab on stage but I liked the extra feel and folks said it sounded really good overall.

It must have been doing something right because I had one of the other bass players from earlier in the day come up and grill me about my setup and the cab I was using afterwards.

I’m really happy with the setup and how it worked out last night.

[Seth]

Nice! Thanks for the gig report! And my hat's off to you guys taking action to help support communities in need.

[Tom Smit]

Thanks for the review! Nice job on the cab, too.
Did you use that much throttle at the gig?

[invidiosulus]

Another gig report but no pictures.

I played with some friends of mine in a rockabilly band called Slow Poison at Asheville’s oldest bar.
The oddly named Burger Bar which doesn’t serve any burgers.
It was a small setup with only vocals run through the PA.

The guy playing bass for the opening act played through my rig, the GK 400RB into the Jack 210, so I got a chance to see how it sounded throughout the bar.
It had a nice punch to it and you could actually hear the individual notes, even when around the corner at the far end of the bar.

Once again I had some of the other bass players come up and ask what kind of cab I was using and compliment me on my sound.
The guys in my band were happy with it as well.

A while back I did run some EQ sweeps on the cab with REW and my UMIK.
I ended up plugging the center port with a piece of pipe insulation foam and added some pieces of pool noodle inside the back of the cab to reduce the internal volume slightly to tune things better to the drivers I used since they were spec’d with a smaller Vas than the recommended drivers.
After doing so the response flattened out a little and I’ve been very happy with the sound.

[Bill Fitzmaurice]

Regarding plugging the port that will lower the cab tuned frequency, which may or may not be a good thing. Reducing the port area also raises the port velocity, which may cause chuffing. Of course what matters is the end result, so it it works it's all good. If you get chuffing you can extend the port depth to lower the tuning and reduce the rear chamber volume.