Audio Database


A speaker system designed as a bounce monitor speaker mounted on a stage.

The MK series is a product of ALTEC Sound Development (ASD), a brand established by Elektri, and is a Japanese systematized version of ALTEC products.

The low range is equipped with ER15 which is 38 cm cone type woofer.

A horn type unit that combines manta ray Lehorn MR931-12 and driver unit 902-8B is installed in the high range.
The MR 931 / 12 manta ray Rhee Horn, which is a constant directional horn, has been used to minimize sound propagation on the stage.

The cabinet has a bass reflex design based on the Thiele & Small theory.
Plywood is used as the material, and FRP coating has been applied to the surface.

Model Rating
Method 2-Way, 2-Speaker, Bass Reflex System, Bookshelf Type
Unit For Low Band : 38 cm Cone Type (ER-15)
For High Range : Horn Type (MR931-12 + 902-8B)
Frequency characteristic 50 Hz to 20 kHz
Impedance 8 Ω
Allowable input 65W
Output sound pressure level 103dB
Crossover frequency 1.5kHz
Maximum external dimensions Width 690x Height 483x Depth 490 mm
Weight 27kg