Altec Lansing Trieste (1971)
A compact bookshelf speaker system released in 1971 featuring an airtight enclosure and a 3-dB step attenuator on the rear terminal.
Overview
The Altec Lansing Trieste is a compact bookshelf speaker system manufactured by Altec Lansing and released in 1971. Designed as a 2-way, 2-speaker setup, it features an airtight enclosure for controlled bass response. The system was developed in collaboration with Elektri, who handled the design and development. It uses a 25 cm cone woofer and a 7.5 cm cone-type direct radiator tweeter, with a crossover frequency set at 2.5 kHz.
Specifications
| System type | 2-Way, 2-Speaker, Airtight Type, Bookshelf Type |
| Woofer | 25 cm cone type |
| Tweeter | 7.5 cm cone type (direct radiator) |
| Impedance | 8 Ω |
| Allowable input | 40W |
| Crossover frequency | 2.5kHz |
| External dimensions | Width 560 x Height 310 x Depth 240 mm |
| Weight | 11.3kg |
| Enclosure type | Hermetically sealed / airtight |
| Rear terminal feature | A 3-dB step attenuator is mounted on the rear terminal |
Design
The Trieste was designed and developed by Elektri, featuring a hermetically sealed enclosure to minimize air leakage and improve low-frequency accuracy. The rear panel includes a 3-dB step attenuator for adjusting high-frequency output.
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