Audio Database


a price -- unknown

It is the speaker system developed as a business-use object for a portable monitor in 1964 (Showa 39).

The full sealing cabinet of the minimum capacity is adopted as 20cm class, and it has composition incorporating the all transistor amplifier of Output 10W.

It was widely used for a commercial broadcasting station and movie relations including NHK as the object for broadcast vehicles, an object for relay, etc.

The input and the connector for AC power sources had some to which the canon connector was attached (AS-2051D type).

Rating of a mode
System 2 ways, 2 speakers, a sealing system, and a floor type
Composition, such as a unit For low-pass: 20cm corn type (PW-2013)
For high regions: 5cm corn type (TW-501)
Network: 4micro F MP capacitor
amplifier: -- MA -101 type all transistor type amplifier
Play frequency band 70Hz - 15000Hz
Input level -22dBm
Input impedance 600 ohms, 10kohm (balance)
Crossover frequency 2000Hz
Maximum-except-take-off sound pressure level 102dB/50cm
-less distorted maximum-except-take-off sound pressure level 94dB/m
Power source AC100V, 30VA, or direct-current36V
Dimensions Width 300x height 440x depth of 200mm
Weight 10kg