Powersoft Quattrocanali 1204
•중소형 인스톨용 비용대비 최고성능 4채널 앰프
•lo-Z (2 Ω) 및 70V / 100V 분산 라인과 함께 작동하도록 설계
•PFC로 최대 400VAC의 내구성을 자랑하는 Powersoft의 범용 스위치 모드 전원
List 바로가기Output power
Single channel mode : 400W @2 Ω / 300W @4 Ω / 300W @8 Ω
Bridge mode : 800W @4 Ω / 600W @8 Ω
Distributed line*:300W@70V / 300W@100V
Max output voltage / curren : 70 Vpeak / 33 Apeak
Nominal power requirement : 100-240 V ±10%, 50-60 Hz
Operating voltage : 90 V - 264 V
Power consuption
Idle : 31.4 W 0.40 A@115 V /31.6 W 0.28 A@230 V
1/8 of max output power @ 4 Ω : 301 W 2.75 A@115 V /302 W 1.65 A@230 V
1/4 of max output power @ 4 Ω : 556 W 5.47 A@115 V /553 W 3.02 A@230 V
AUDIO
Gain : 26 29 32 35
Input sensitivity : 2.45 V 1.74 V 1.22 V 0.85 V
Max input level : 20 dBu 20 dBu 20 dBu 20 dBu
Frequency response : 20 Hz - 20 kHz (±0.5 dB) @ 1 W, 8 Ω
S/N ratio : > 104 dB (20 Hz - 20 kHz, A weighted)
Crosstalk separation : > 70 dB @ 1kHz
THD+N : <0.1% from 0.1 W to full power (typically < 0.05%)
IMD : <0.05% from 0.1 W to full power
Input impedance : 20 kΩ balanced
Slew rate : >50 V/μs @ 8Ω, input filter bypassed
Damping factor : > 500 @ 20-200 Hz
DSP
AD Converter : 24 Bit Tandem™ @ 48 kHz 125 dB-A Dynamic Range - 0.005 % THD+N
DA Converter : 24 Bit Tandem™ @ 48 kHz 117 dB-A Dynamic Range - 0.003 % THD+N
Internal precision : 32 bit floating point
Memory/presets : 128 MB (RAM) plus 512 MB fash for presets /
Latency : 2.5 ms fixed latency architecture
Input equalizer : Raised-cosine, custom FiR, parametric iiR: peaking, hi/lo-shelving, all-pass, band-pass, band-stop, hi/lo-pass
Crossover : linear phase (FIR), Butterworth, Linkwitz-Riley, Bessel: 6 dB/oct to 48 dB/oct (IIR)
Delay : 2 s (input) + 100 ms (output) for time alignment
Limiters : TruePower™, RMS voltage, RMS current, Peak limiter
Damping control : Active DampingControl™ and Liveimpedance™ measurement
Dimensions (L x H x W)/Weight : 483 mm x 44.45 mm x 360 mm / 7 kg