Altec Lansing MK-2A (Around 1991)
A floor-standing front horn subwoofer system using a 38 cm cone driver, designed for high-power low-frequency reproduction.
Overview
The Altec Lansing MK-2A is a subwoofer system produced around 1991 by ALTEC as part of the MK series developed under ALTEC Sound Development (ASD), a Japanese systematized version of Altec products. It is a 1-way, single-speaker system with a front horn design, intended for floor placement. The MK-2A improves upon the earlier MK-2 with a revised cabinet and enhanced low-frequency response.
Specifications
| System type | 1-way, 1-speaker, front horn system, floor type |
| Woofer | 38 cm Cone Type (ER-15) |
| Frequency response | 40 Hz to 300 Hz |
| Impedance | 8 Ω |
| Allowable input | 250W |
| Output sound pressure level | 105dB/W/m |
| Recommended crossover frequency | 150 Hz to 250 Hz |
| External dimensions | Width 950 x Height 505 x Depth 680 mm |
| Weight | 61.6kg |
Design
The MK-2A is an improved version of the MK-2, featuring a cabinet modified from 921 to 8a with a 55 mm increase in height to enhance low-end response. It uses a turning front-loaded horn design with a special center equalizer to match the horn's shape. The enclosure is constructed from FRP and wood plywood. The unit shares the same footprint as the MK-1A and includes anti-slip features, allowing it to be stacked alone or combined with the MK-1A.
Context
The MK series was developed by ALTEC Sound Development (ASD), a brand established by Elektri, representing a Japanese systematized adaptation of Altec audio products.
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