18:48
máy tính nguyên vũ
The Integrated Amplifier which pursued the tone quality at the time of Loule Bell by the low power output.
The pure complimentary OCL scheme is adopted as a power amplifier part, and also the element itself, such as a power transistor, is fully examined,While especially a high region barrier property selects carefully and uses what has a high and few collector output capacitance, the operating point is set as a fraction with the sufficient linearity of each transistor, and the modification of a distortion property covering all the bands is aimed at.
A two-step direct coupling system is adopted as the equalizer circuitry of a preamplifier part, a flat amplifier circuitry, and a tone amplifier circuitry, the electric current sent through each circuitry is increased, low impedance-ization is attained, and the modification of a high region property is aimed at.
Furthermore, the modification of the SN ratio is aimed at by selecting carefully and using the super-low-noise type for a transistor, if a circuitry is constituted, and also driving with a negative power source.
In order to perform shortest-distance-izing of each input system, and exclusion of shielding wire, it is the layout which formed the input terminal plate in the bottom.
Moreover, the simplification of a signal path is attained and a flat property and high SN ratio-ization are attained.
Functionalities, such as a LUX scheme NF type tone control, a monitor & dubbing functionality with two tape decks, height each filter, and a loudness control, are carried.
| Form | Integrated amplifier |
| Succession effective output (both channel operation) | 35W+35W (8 ohms, 20Hz - 20kHz) |
| THD (20Hz - 20kHz) | 0.04% or less (8ohm, 35W) |
| Cross modulation distortion (60Hz:7kHz=4:1) | 0.08% or less (8ohm, 35W) |
| Output bandwidth | 10Hz - -60kHz three dB (0.1% of distortion) |
| Frequency characteristic | 60kHz [ 15Hz - ]-less than 1dB |
| Input sensitivity/impedance | Phono: 2.5mV/50kohm Tuner, Aux:145mV/50kohm |
| SN ratio (an IHF-A correction, input short-circuit) | Phono: 72dB or more Tuner, Aux: 95dB or more |
| Dumping factor | 65 (an 8-ohm load intensity, 1kHz) or more |
| Tone control | LUX scheme NF type (the right and left ch, independent level control) |
| Filter | Subsonic speed: 25Hz-6dB / oct A high cut: 7kHz-6dB / oct |
| Attachment | Tapes monitor circuitry (two lines)
Tapes dubbing circuitry Loudness control Speaker selector (two lines) Mode switch |
| AC outlet | Power-switch interlock: One line
Power-switch un-interlocking.: One line |
| Supply voltage | AC100V, 50Hz/60Hz |
| Power consumption (Electrical Appliance and Material Control Law) |
100W |
| Dimensions | Width 438x height 105x depth of 313mm |
| Weight | 8kg |
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