Mô tả sản phẩm: Âm ly Technics SU-50A
| Form | Solid-state Integrated Amplifier | |
| Circuit system | Whole page hardwired-connection differential amplification | |
| SEPP OTL-OCL circuitry | ||
| <Power amplifier part> | ||
| Music power (IHF) | 120W (4ohms) | |
| 80W (8ohms) | ||
| 50W (16ohms) | ||
| Output power (IHF) | 40W/40W (4ohms) | |
| 30W/30W (8ohms) | ||
| 20W/20W (16ohms) | ||
| Frequency characteristic (at the time of an Output power) | 5Hz - 150kHz | |
| S/N ratio | 95dB or more (IHF, A network, input short-circuit) | |
| Input sensitivity/impedance | 1V/50kohm | |
| Dumping factor | 150 (8ohms) | |
| Conformity load impedance | 4ohm-16ohm | |
| Transistor protection network | It is a returned type at the ASO detection scheme moment. | |
| <Preamplifier part> | ||
| Input sensitivity/impedance | Phono1, 2:1mV / 47kohm | |
| (1kHz, Volume max) | Tuner: 100mV / 70kohm | |
| Aux1, 2:100mV / 70kohm | ||
| Maximum permissible input | Phono1, 2:140mV | |
| (1kHz, 0.1% of distortion) | Tuner:10V | |
| Aux1, 2:10V | ||
| An Output voltage/impedance | Output power : | 1V / 3kohm (Low) |
| 5V/200 ohm (High) | ||
| Maximum output (1kHz, 0.1% of distortion) : | 1.8V(Low) | |
| 9V(High) | ||
| Tapes monitor | Rec out: 100mV/200 ohms | |
| Playback: 100mV / 70kohm | ||
| Rec/Play(DIN): | 30mV / 60kohm (IN) | |
| 100mV / 70kohm (OUT) | ||
| SN ratio (IHF, A network) | Phono1, 2:70dB or more | |
| Input short-circuit | Tuner: 90dB or more | |
| Aux1, 2:90dB or more | ||
| THD | 0.1% or less | |
| Frequency characteristic | High, VR max, TCflat : | Deflection of less than ±0.5dB from a Phono1 and 2:RIAA standard curve |
| Tuner: 5Hz - 200kHz, and +0 -3dB | ||
| Aux1, 2:5Hz - 200kHz, and +0 -3 dB | ||
| Low, VR max, TCflat : | Deflection of less than ±0.5dB from a Phono1 and 2:RIAA standard curve | |
| Tuner: 5Hz - 150kHz, and +0 -3dB | ||
| AUX1, 2:5Hz - 150kHz, and +0 -3 dB | ||
| Tone control | Bass: +15dB--15dB | |
| Turnover frequency: 250Hz, 500Hz | ||
| Treble: +15dB--15dB | ||
| Turnover frequency: 2.5kHz, 5kHz | ||
| Filter | Low-pass: 30Hz-12dB / oct | |
| High region: 8kHz-12dB / oct | ||
| Muting | -20dB | |
| <Synthesis> | ||
| The semiconductor used | Transistor (43 pieces) : | 2SA564A: 20 pieces |
| 564:2 2SAs | ||
| 828:4 2SCs | ||
| 171:4 2SB | ||
| 2SC696A: Four pieces | ||
| 2SA547A: Two pieces | ||
| 2SC697A: Two pieces | ||
| 189:4 2subset dependencies | ||
| 473:1 2SB | ||
| Diode (17 pieces) : | 242:2 MA(s) | |
| MA242R: Two pieces | ||
| subset-dependency-1Y: One piece | ||
| SV-02: 2 piece | ||
| SM-150-005:8 piece | ||
| OA-70:2 piece | ||
| Power source | AC100V/117V/220V/240V, 50/60Hz | |
| AC outlet | Switched: Three lines | |
| Unswitched: One line | ||
| Power consumption | At the time of an Output power: 175VA | |
| At the time of a non-signal: 37VA | ||
