Audio Database

Image of the AS-2051
Commentary

This speaker system was developed in 1964 (1964) for portable monitors for business use.

The 20 cm class uses a completely enclosed cabinet with a minimum volume and is configured with an all-transistor amplifier with an output of 10W.

It was widely used by NHK, commercial broadcasting stations, and movie-related industries as broadcast vehicles and relay stations.

Some connectors for input and AC power came with a cannon connector (AS-2051D type)

Model Rating
Method 2-Way, 2-Speaker, Sealed Type, Floor Type
Configuration such as unit For Low Band : 20 cm Cone Type (PW-2013)
For High Range : 5 cm Cone Type (TW-501)
Network : 4 μ F MP capacitor
Amplifier : MA MA-101 all-transistor type amplifier
Playback frequency band 70 Hz ~ 15000 Hz
Input level -22dBm
Input impedance 600 Ω, 10k Ω (Balanced)
Crossover frequency 2000Hz
Maximum output sound pressure level 102dB/50cm
Undistorted maximum output sound pressure level 94dB/m
Pwer 100 VAC, 30 VA or 36 VDC
External dimensions Width 300x Height 440x Depth 200 mm
Weight 10kg