Technics SB-2510 (1967)
Not much is documented about the Technics SB-2510. It was a three-way floor-type speaker system that sold in August 1967 for ¥29,500 per unit. Period Japanese listings also carry it under the tag "Technics 6." The record is thin. The specifications below trace back to vintage audio databases, and no independent reviews, market context, or owner accounts have surfaced.
The SB-2510 is a sealed (airtight) three-way floor-standing cabinet. It pairs a 30 cm cone woofer with a 12 cm cone squawker for midrange and a horn-type tweeter. Technics rated it at 8 Ω with a 93 dB/W output sound pressure level, a 25 W allowable input, and a playback band of 40 Hz to 20 kHz. Crossovers sit at 200 Hz and 3.5 kHz. The cabinet measured 295 × 750 × 210 mm (W×H×D) and weighed 12.5 kg.
- Type: 3-way, 3-speaker, sealed (airtight), floor type
- Drivers: 30 cm cone woofer / 12 cm cone squawker / horn tweeter
- Frequency range: 40 Hz – 20 kHz
- Impedance: 8 Ω
- Output sound pressure level: 93 dB/W
- Allowable input: 25 W
- Crossover frequencies: 200 Hz, 3.5 kHz
- Dimensions: 295 × 750 × 210 mm (W×H×D)
- Weight: 12.5 kg
- Original price: ¥29,500 (1 unit, August 1967)
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