Altec Lansing Model 305
A 3-way bookshelf speaker system with airtight enclosure and advanced diaphragm materials, sold in Japan around 1990.
Overview
The Altec Lansing Model 305 is a 3-way, 3-speaker bookshelf system designed for high-fidelity audio reproduction. Built with an airtight (hermetically sealed) enclosure, it emphasizes controlled bass response and acoustic precision. This model was priced at ¥135,000 per unit in the Japanese market around 1990, indicating its position as a premium compact speaker system during that era.
Specifications
| Woofer | 25 cm cone type |
| Midrange | 5 cm Dome Type |
| Tweeter | 2.5 cm dome type |
| Impedance | 8 Ω |
| Crossover frequency | 550 Hz, 3.5 kHz |
| External dimensions | Width 368 x Height 686 x Depth 305 mm |
| Weight | 20.0kg |
Design
The Model 305 features a hermetically sealed enclosure for tight, resonance-controlled bass performance. The woofer uses a carbon fiber diaphragm, while the midrange and tweeter employ polyimide resin diaphragms enhanced with a titanium vapor deposition process. This construction suggests a focus on rigidity and transient response. The cabinet is finished in walnut natural wood, blending aesthetic warmth with acoustic functionality.
Market
Priced at ¥135,000 around 1990, the Model 305 was positioned as a high-end bookshelf speaker in the Japanese market, likely targeting audiophiles seeking compact yet technically advanced systems.
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.