Pioneer CS-A31
A 2-way bookshelf speaker system made in Japan, with a bass reflex cabinet.
Overview
The Pioneer CS-A31 is a 2-way bookshelf speaker system made by Pioneer in Japan. It has a bass reflex cabinet and was designed for stereo reproduction in the late 1960s. It uses a 20 cm cone woofer and a 5 cm cone tweeter, with a crossover frequency of 3,000 Hz.
Specifications
| Manufacturer | Pioneer |
| Model | CS-A31 |
| Type | 2-way bookshelf speaker |
| System | 2-way, 2-speaker system |
| Woofer | 20 cm cone type |
| Tweeter | 5 cm cone type |
| Output Sound Pressure Level | 90 dB/W (1m) |
| Frequency Response | 45 Hz - 20,000 Hz |
| Crossover Frequency | 3,000 Hz |
| Dimensions (W x H x D) | 280 x 520 x 240 mm |
| Weight | 10.5 kg |
| Cabinet | Bass reflex type |
| Made in | Japan |
Design
The CS-A31 uses a bass reflex cabinet design to enhance low-frequency response. It is a 2-way system with a 20 cm cone woofer and a 5 cm cone tweeter, crossed over at 3,000 Hz.
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