Altec Lansing 612J Monitor
A bookshelf monitor speaker system featuring a coaxial driver in a bass reflex cabinet, sold in Japan for ¥410,000 around 1985.
Overview
The Altec Lansing 612J Monitor is a bookshelf-type speaker system built around the 604-8KS coaxial driver. Manufactured by Altec Lansing, it was offered in the Japanese market with an original price of ¥410,000 around 1985. This system uses a 2-way, 1-speaker bass reflex design, delivering wide frequency response and high sensitivity suited for professional or high-fidelity audio applications.
Specifications
| Design | 2-Way, 1-Speaker, Bass Reflex System |
| Driver | 604-8KS (Coaxial 2-way) |
| Impedance | 8 Ω |
| Frequency response | 20 Hz to 20000 Hz |
| Sensitivity | 103dB |
| Maximum input (continuous) | 65W |
| Crossover frequency | 1500Hz |
| Dimensions (W x H x D) | 652 x 750 x 510 mm |
| Weight | 51.5kg |
Design
The system consists of a 604-8KS coaxial driver mounted in a 612J cabinet.
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