Audio Database


a price -- unknown

It is the voice monitor system which incorporated and developed the amplifier of the all transistor system in 1964 (Showa 39) to the 2S-208 type speaker system which is acknowledged as a monitor speaker for broadcast.

The outstanding quality control and the stereophonic reproduction where sound was stabilized as an object for the sound quality surveillance of a stereophonic broadcast by simple composition are obtained.

The caster is united with the position of the lug where the height of the speaker sat on the chair by attachment.

Those days, many were used for NHK Broadcasting Center.

The tip of an input cord makes a canon connector a standard.

The color tone of a cabinet makes a standard a BTS-0001 association color (gray) and No. 2 (75B5/0.5).

Rating of a mode
System 2 ways, 2 speaker bass-reflex system, and a floor type
Composition, such as a unit For low-pass: 20cm corn type (PW-201)
For high regions: 5cm corn type (TW-501)
Network: 4micro F MP capacitor
amplifier: -- MA -150 type all transistor type amplifier
Caster: MC-1270 type
Play frequency band 60Hz-15000Hz±5dB
Input level -22dBm
Input impedance 600 ohms, 10kohm (balance)
Crossover frequency 2000Hz
Maximum-except-take-off sound pressure level 103dB/m
-less distorted maximum-except-take-off sound pressure level 99dB/m
Power source AC100V, 40VA
Dimensions Only a main part is the :width 530x height 780x depth of about 315mm.
Caster included: Width 850x height 1245x depth of 475mm
Weight 43kg