Enclosure Type: Bass Reflex
Driver Alignment: 2-way
Tweeter Type: Compression Driver
Bass Type: Woofer
Crossover Type: Passive
Impedance: 8 Ohm
Sensitivity: 92 dB
Cutoff -3 dB: 100 Hz
Additional Features: Non-parallel Panels
Diaphragm Material: Paper, Titanium
Build Complexity: Intermediate
Radiation Type: Monopole, Controlled Dispersion
Type of Use: Public Address
Placement: Standmount, Outside
Bass Driver Size: 8 inch
Cost of Parts: $710

high performance 8’’ two way loudspeaker system


Key Features

  • An effective, high performance and easy to build two way loudspeaker system for high performance in a very compact and portable enclosure.
  • An “already optimized” passive crossover network greatly simplifies the system setup.


The enclosure should be made out of Baltic birch plywood (15mm thick).

The vents can be made with standard PVC plumbing pipe connection with internal diameter of 74mm.

M5 T-Nuts in conjunction with M5x35mm Bolts is recommended.

Handling, rigging and connectors are user’s choice.

It’s recommended to well damping the cabinet as shown in the example.

An high density dampening material, such as Dacron or other synthetic fibers, is required for best acoustic performance.

Internal View
Damping Disposition
Exploded View
Front View
Front Panel
Side View
Top View
Top Section
Back View
Eighteen Sound is a leading designer and manufacturer of high quality professional audio loudspeakers, developing state-of-the-art transducer technologies and using the most advanced production techniques, located in Reggio Emilia, Italy.
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