Stereo power amplifier which has also improved the quality at the time of a low power output.
A resistor, switchpoints, a transistor, etc. perform careful sorting and are adopted.
The differential amplification, the pure complimentary, and the whole page hardwired-connection OCL circuitry are used for circuitry.
The transistor of the perfect pair sorted out is adopted as the differential-amplification stage and the output stage of a push pull, and it is adjusted so that the basic circuit itself may balance in direct current naked.
The detector of the leakage in a direct current is carried on it.
In the conventional high power machine, it was made to operate in the status near B class at the time of a small level play, and a notching distortion peculiar to a transistor etc. had occurred.
In Model250, sufficient idling electric current was sent, AB class operation was carried out, and the outstanding nakedness property is realized.
The printed circuit board is made to become independent for every block, and the careful word of caution of avoiding an interference of the first rank and a final stage is carried out.
Form | Stereo power amplifier |
Output (At the time of an Output power both channel, 20Hz - 20kHz) |
4ohm: 300W (150W+150W), Typically 340W
8ohm: 250W (125W+125W), Typically 280W 16ohm: 128W (64W+64W), Typically 150W |
THD | 0.1% or less (at the time of 20Hz - 20000Hz,
and an Output power) Typically 0.05% |
Cross modulation distortion | 0.1% or less (At the time of an Output power They are two arbitrary frequencies among 20Hz - 20kHz. ) Typically 0.05% |
Frequency characteristic | 2Hz-100kHz+0 -1.5 dB 20Hz-20kHz±0.1dB |
a power band -- the Wiz (IHF) | 5Hz - 45000Hz |
Input sensitivity/impedance | 1.5V/100kohm |
Dumping factor | 100 (8ohms) or more |
<Synthesis> | |
Total Noise | better than 106 dB below Rated Power into 8 ohm |
Power source | AC100V, 50Hz/60Hz 220Volts optional on special order |
Power consumption | 500W |
Dimensions | Width 362x height 156x depth of 241mm |
Weight | 12.7kg |
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