
Kleine Digitalendstufen finden wir bei Audio System als leistungsfähige Amps in der X-Serie und als superkleine Micro-Amps in der M-Serie. Jetzt kommt mit der X-100.4 MD eine superkleine X-Endstufe mit Anspruch auf richtig Leistung.
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Das haben wir nicht so oft: Ein genau geführtes Protokoll eines Entwicklers von der Konzeption bis hin zum fertigen Lautsprecher. Bei der „Studio AMT“ von Lautsprecher Berlin haben wir die Gelegenheit, den Gedanken der Entwickler vom Reißbrett bis in den Hörraum zu verfolgen
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Ausstattungsliste: Kind K4HZ
General | |
Number of amplifier channels | 4 |
Total burst power all channels | 2800 W |
Max output power single channel EIAJ test standard, 1 kHz, 1% THD | |
2 ohms | 700 W |
4 ohms | 500 W |
8 ohms | 500 W |
Hi-Z 70 V (note 1) | 500 W |
Hi-Z 100 V (note 1) | 500 W |
Max output power bridged EIAJ test standard, 1 kHz, 1% THD | |
4 ohms | 1400 W |
8 ohms | 1000 W |
Max output votage / current | NA |
Protection features | Short Circuit Protection, Current-Clip Limiter, Voltage Clip Limiter, Temperature protection |
Amplifier audio performance | |
Gain, selectable | 26 dB, 32 dB (factory set) |
Input sensitivity @ 4 ohms | 1.13 V |
Max input level | 15dBu |
Frequency response | 20 Hz - 20 kHz (1 W @ 8 Ohm - +/- 0.5dB |
S/N ratio (20 Hz - 20 kHz) | >104 dBA |
Output circuitry | Class D |
Input impedance | 10k balanced |
THD+N | <0.3% from 1W to 0.5dB below clip (typically <0.1%) |
Front panel | |
Indicators | (LED) Active, Protect, Hi temp, DSP option, signal out -35 dB, -20 dB, -10 dB, Limiter |
Controls | Mains switch, Gain control (per channel) |
Maintenance | Removable dust filter holder |
Rear panel | |
Audio signal input connectors (per channel) | XLR female combo 1/4 phone jack TRS, 3-pin terminal block (balanced) |
Loudspeakers output connectors | Neutrik Speakon NL4MD (per channel) |
Networking | Data port hole for DSP option |
AC mains cordset / chassis connector | Schuko CEE 7/7 16 A / IEC20A |
Controls | (switch) HPF 35 Hz or 70 Hz, Link/Bridge, Analog or AES3 |
AC mains power | |
Power supply | Switch mode power supply, internally switchable 230 / 115 V nominal |
Operating voltage | 100-240 V +/-10%, 50-60 Hz |
Current draw | @ 230 V / @ 115 V |
Idle | 0.6 A / 0.7 A |
1/8 of max output power@ 4 ohms | 2.0 A / 3.4 A |
1/4 of max output power@ 4 ohms | 3.3 A / 6.1 A |
Thermal | Operating temperature 0° - 40° C / 32° - 104° F |
Dissipation and cooling | Fan, continuosly variable speed, temperature and load current controlled, front to rear airflow |
Idle | 220 BTU/h | 55 kcal/h |
1/8 of max output power@ 4 ohms | 433 BTU/h | 109 kcal/h |
1/4 of max output power@ 4 ohms | 646 BTU/h | 163 kcal/h |
Chassis construction | 1.0 mm / 0.04" zinc steel chassis with removable dust filter holder; 3mm / 0.12" front panel ears and side reinforcement with rear support |
Dimensions | W 483 mm / 19", H 89 mm / 2 RU, D 390 mm / 15.4" from front mounting rails |
Weight | 10.5 kg / 22.1lb |