Sony SS-1800 (c. 1970)
A large 3-way passive bookshelf speaker system with bass reflex design and a natural walnut finish.
Overview
The Sony SS-1800 is a passive standmount loudspeaker made around 1970. It is a 3-way design with separate drivers for low, mid and high frequencies, in a bass reflex enclosure. The cabinet has a natural walnut veneer finish and a metal lattice grill on the front. It was built for home audio use and sold as a unit for ¥19,800 in Japan around 1970.
Specifications
| Model Rating Method | 3-Way, 3-Speaker, Bass reflex system, Bookshelf Type |
| Low Frequency Unit | 30 cm cone type |
| Medium Frequency Unit | 16 cm cone type |
| High Frequency Unit | 6.5 cm cone type |
| Frequency Response | 40 Hz to 20 kHz |
| Impedance | 8 Ω |
| Rated Input | 20W |
| Maximum Allowable Input | 40W |
| Output Sound Pressure Level | 99dB/W |
| Crossover Frequencies | 700 Hz, 6.5 kHz |
| External Dimensions | Width 360 x Height 600 x Depth 290 mm |
| Weight | 15kg |
| Positioning | Standmount |
Design
The SS-1800 uses a bass reflex enclosure with a large 30 cm woofer, a 16 cm midrange driver and a 6.5 cm tweeter. The cabinet is finished in natural walnut veneer, with a metal lattice grill on the front.
Market
Used pairs currently ask around $150.00. Restorers commonly find the bass reflex port blocked. Driver cones can also be damaged with age, such as tears.
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