Audio Database
SP-15
Commentary

Double cone type 38 cm full range unit.

The SP15 is used in speaker systems such as REGENCY and CARLTON.

Built-in LC circuit for high-frequency impedance correction.
In addition, it is equipped with level control for adjustment.

It was 16 Ω specification around 1970, but it became 8 Ω specification in 1972.

Compatible with separately sold Midrange Kit BB4 and TweetKit BB1.

Model Rating
Type 38 cm double cone speaker
Frequency characteristic 25 Hz to 15 kHz
fo 25Hz
Crossover frequency 3.5 kHz (Mechanical)
Allowable input 40W
Max Input 80W
Impedance 16 Ω (around 1970)
8 Ω (around 1972)
Sensitivity 102dB/W
Magnet weight 2.1kg
Baffle opening diameter 34.3cm
Enclosure Minimum Volume 283 liters
External dimensions Diameter 384x Depth 206 mm
Weight 11.4kg
Sold Separately Midrange Kit BB4 (¥ 66,000)
Tweeter Kit BB1 (¥ 32,500)