Sony SS-X170
A compact 2-way passive bookshelf speaker system with bass reflex enclosure, made in Japan
Overview
The Sony SS-X170 is a compact 2-way passive speaker made for bookshelf placement. The enclosure is bass reflex with a multi-duct bus recovery system, meant to improve low-frequency response. It has a 16 cm cone woofer and a 5 cm cone tweeter, with the crossover set at 5 kHz. Sony marketed it around 1983 at ¥11,500 per unit in Japan, aiming for a balanced response across a wide frequency range.
Specifications
| System Type | 2-Way, 2-Speaker, Bass Reflex System, Bookshelf Type |
| Frequency Response | 55 Hz to 20000 Hz |
| Sensitivity | 90dB/W/m |
| Impedance | 6 Ω |
| Rated Maximum Input | 30W |
| Instantaneous Maximum Input | 60W |
| Crossover Frequency | 5kHz |
| Woofer | 16 cm cone type |
| Tweeter | 5 cm cone type |
| Dimensions (W x H x D) | 215 x 360 x 220 mm |
| Weight | 4.1kg |
| Attachment | Speaker cord |
Design
The multi-duct bus recovery system is a form of bass reflex design. Tuned ports are there to improve low-end efficiency and extension.
Market
Facebook listings show pairs offered at 1900 php. Sellers describe them as in good working condition, all original, and made in Japan. An eBay listing for a replacement crossover suggests that at least some of the internal parts were serviceable.
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