Lo-D HA-30
¥ 43,000 (released in 1979)
Commentary
A4 size pre-main amplifier for space factor and multi-function.
The circuit configuration adopts the pure complimentary service OCL method.
Equipped with an LED function indicator that clearly shows the changed position.
There is also a built-in initialization circuit that always sets the position of the tuner when the power is turned on.
Equipped with microphone mixing circuit, speaker selector switch, low filter and loudness switch.
Model Rating
Type | Pre-main amplifier |
Effective power | 30W + 30W (30 Hz to 20 kHz, 0.05%) |
Total harmonic distortion factor | 0.05% (at effective output) |
Phono maximum allowable input | 150mV |
S/N (IHF / A network) | Phono:75dB Tuner, Aux, Tape play : 90 dB Mic:55dB |
Input Sensitivity / Impedance | Phono : 2.5mV/50k Ω Tuner, Aux : 130mV/33k Ω Tape play : 150mV/37k Ω Mic : 0.1mV/9k Ω |
Output Terminal / Impedance | Tape rec:150mV |
Frequency characteristic | Phono : RIAA ± 0.5 dB (30 Hz to 15 kHz) |
External dimensions | Width 297x Height 78x Depth 240 mm |
Weight | 4kg |