TRIO PA-30
¥ 19,900 (around 1960 s)
Commentary
A PA amplifier suitable for public relations activities such as school broadcasting and in-house broadcasting.
It can be used for both AC and DC. Not only AC power supply but also 6 v and 12 v battery by adding converter.
Switching between AC and DC is performed by replacing the rear socket.
The microphone is compatible with both crystal and dynamic types.
Can mix 2 microphones and 3 pickups simultaneously.
Model Rating
| Type | PA Amplifier |
| Output | 30W maximum 25W (undistorted output, harmonic distortion 2% or less) |
| Frequency characteristic | 30 Hz to 15 kHz ± 2 dB |
| Gain | Mic:120dB Phono:83dB |
| Input sensitivity | Mic : 4 mV (output 25W) Phono : 0.35 V (output 25W) |
| Signal-to-noise ratio | Mic : 55 dB or more Phono : 75 dB or more |
| Vacuum tube used | 5 balls |
| Power supply voltage | AC100V DC6V/12V |
| External dimensions | Width 300x Height 165x Depth 215 mm |
| Weight | - |