Japanese-made 3-way bookshelf speaker with hermetically sealed cabinet and multi-amplifier input support
Overview
The Pioneer CS-700 is a 3-way bookshelf speaker system manufactured in Japan by Pioneer Corporation. Note: It is unclear if 'Pioneer CS-700' and 'Pioneer CS-700G' are the same model; facts provided are explicitly for the 'CS-700G' variant. It features a 30 cm cone woofer, a 12 cm cone midrange, and a multi-cellar horn-type tweeter for high frequencies. The enclosure is constructed from thick particle board and is hermetically sealed, contributing to its airtight design. The speaker has a walnut oil finish and is covered with a brown fabric grille.
Specifications
| Type | 3-Way, 3-Speaker, Airtight Type, Bookshelf Type |
| Woofer | 30 cm cone type |
| Midrange | 12 cm cone type |
| Tweeter | Horn Type (multi-cellar horn) |
| Impedance | 8 Ω |
| Frequency Response | 35 Hz to 20 kHz |
| Sound Pressure Level | 95dB/W |
| Max Input | 60W |
| Crossover Frequencies | Normal: 500 Hz, 5 kHz; Multi-amp 2-way: 500 Hz to 1 kHz; Multi-amp 3-way: 500 Hz to 1 kHz, 4 kHz to 6 kHz |
| Dimensions | Width 380 × Height 660 × Depth 320 mm |
| Weight | 16.9 kg |
Design
The CS-700 uses FB cone diaphragms for both the woofer and midrange drivers and features a multi-cellar horn tweeter. The cabinet is made of thick particle board and is hermetically sealed. It includes a 3-step switching type level control and supports multi-amplifier operation via dedicated rear terminals, which are activated by a switch. The exterior has a walnut oil finish with a brown fabric grille.
Market
The original price was ¥33,000 per unit around 1973. As of 2026, a used pair was listed for RON 3,500 on Audioweb, and a single unit was auctioned on Yahoo Auctions starting at ¥1,500 with noted defects. A pre-owned unit was listed on eBay for $450.00. The model is described as "Rare Vintage" in current listings.
Market Value
┌──────────────────────────────────────────────────────────────────────────┐ │ PIONEER CS-700 Apr 2026 │ ├──────────────────────────────────────────────────────────────────────────┤ │ High $60 Latest $25 │ │ Median $25 Trend — │ │ Low $21 Volume ~4/mo │ ├──────────────────────────────────────────────────────────────────────────┤ │ $100 ┤ │ │ │ │ │ │ │ │ $57 ┤ . │ │ │ │ │ │ │ │ │. . .│ │ $0 ┤ │ │ ├─────────────────────────────────────────────────────────────────│ │ vol │█ █ █ █│ │ └─────────────────────────────────────────────────────────────────│ │ 2026-01 2026-02 2026-02│ └──────────────────────────────────────────────────────────────────────────┘
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eBay Listings
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Related Models
- Pioneer cs-301 (1970s (exact years uncertain))
- Pioneer hpm-100 (1976-1979)
- Pioneer hpm-40 (1977-1979)
- Pioneer hpm-60 (1977-1979)
- Pioneer pl-5-(pl-420) (1979-1981)