Bi-amped Bass Cabinets




Designer: Bass Dude

Project Time: 8-20 hours
Project Complexity: Hobbyist
Project Cost: $100-$500

Driver Selection
A few months back I made my first speaker project. It was a pair of folded horn subwoofers. I chose to use the Eminence 18″ Omega pro speaker for the drivers. The deep low end sound that these Omega Pro’s have completely blew my mind. So needless to say I knew that was the driver I needed for my low end bottom cabinet. As far as thye upper midranged cabinet I did some reading and decided on using the Eminence Delta Pro speaker. I used 2- 8″ speakers#16 ohm# wired in paralell to finish out at 8 ohm.

Enclosure Design
Again after a lot of reading on cabinet design I ended up making the cabinets out of MDF. Trying to find quality Baltic birch by me is pretty much impossible. And to order it through the mail is out of my budget. Again by following the Eminence specs I calculated the cubic feet and built the cabinet to those dimensions. 30”h x 24″w x 18″ deep for the 18″ driver cabinet and 15″h x 24″ w x 18″ deep for the upper 2-8″ cabinet. As far as porting I used 4- 3″ x 4 5/8″ vent tubes for the 18″ cabinet and 2- 2 1/2″ x 4″ tubes for the upper midrange cabinet.

Amplifier/Crossover Configuration
I am running my bass guitar into a Peavey TMax bass head wich has a built in crossover wich is fully adjustable. The amp has a high signal and a low signal out which is ran into a QSC 500 watt x 500 watt power amp.

Enclosure Assembly
Once my MDF was cut into the desired sizes I assembled the cabinets with wood glue and brads. The brads are just to keep the pieces together while the glue sets. And with standard yellow wood glue it does’nt take long. All of the panels have reinforced corners so there is a solid material inside for screwing the stackable corners and the handles on. After the cabinets were assembled I used a high quality caulk to seal all of the inside corners.

Conclusion
This was a very rewarding project. I have had many compliments on how these cabinets both look and sound. The overall finished look is mind blowing. The contrast between the vinyl covering and the burgandy/beige speaker grill material gives the pieces an almost vintage look. And the stackable corners finish them off with the upmost quality. I am very pleased with the variety of parts and components that Parts Express has to offer. And I am also very happy with quick shipping. Also I talked with one of the technical representatives and he really helped me with my questions.

About The Designer
I am the complete designer off these two pieces.


Project Parts List

Vintage Marshall Style Black Bronco Tolex Vinyl Speaker Cabi

Speaker Grill Cloth Fabric Burgundy/Beige Stripe Yard 36″

Penn-Elcom H7165K Recessed Handle Black

Eminence Delta Pro-8B 8″ Midrange 16 Ohm

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  1. 1
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