Audio Database

The

SANSUI SP-70
18,900yen(one set, the May, 1970 release)

Description
 
The speaker system which set the point to the play of inside compass especially with much amount of information, and was designed aiming at making sound not only fit for an electrical specification but fit for emotion.

The 20cm cone type unit which can be used also as a full range is adopted as low-pass.
It had an aluminum dome radiator in the center of cone paper, and distortion is improved with the roll edge.

A 2.5cm dome shape unit is adopted as the high region.
Sound which excelled [ adopt / a dome shape ] in directional characteristics and transparency is realized.

The network has adopted the network of 12 dB/oct by the air-core-coil scheme of a special design, and also carries the level control of a three-step switching tap scheme.

The enclosure serves as a bass-reflex design by a pipe duct.
Finish is walnut finish and the characteristic grid grill attaches it to the front.

Unit

Rating of a mode
Scheme 2 ways, 2 speaker bass-reflex scheme, and a bookshelf type
Unit For low-pass: 20cm cone type
For high regions: 2.5cm dome shape
Frequency characteristic Normal listening room: 30Hz - 20000Hz
Anechoic chamber: 35Hz - 20000Hz
The maximum input 30W
Impedance 8ohms
Output sound pressure level 92 dB/W (new Japanese Industrial Standard)
Cross over frequency 6000Hz(12dB/oct)
Dimensions Width 341x height 568x depth of 270mm
Weight 13kg