加入好友
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擴大機功率:2 x 50 W @ 4 Ω，2 x 25 W @ 8 Ω
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頻率響應:40 Hz – 20 kHz (+0/-3 dB，@ 1 W 參照 1 kHz)
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THD+N:≤0.3 % (於全功率情況下)
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動態範圍:88 dB
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輸出聲道:2 聲道 Auxiliary Out (輔助輸出)：(1) 立體 聲非平衡
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輸入聲道:Mic/Line In (麥克風/線性輸入)：(1) 平衡式 Line In (線性輸入)：(2) 立體聲非 平衡 Page Input (廣播輸入)：(1) 平衡式 麥克風 Auxiliary Line Input (輔助線性輸 入)：(1) 立體聲非平衡
產品規格
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Power Rating |
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Amplifier Power |
FreeSpace® IZA 250-LZ integrated zone amplifier |
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2 x 50 W @ 4 Ω, 2 x 25 W @ 8 Ω |
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Audio Performance Specifications |
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Frequency Response |
FreeSpace® IZA 250-LZ integrated zone amplifier |
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40 Hz – 20 kHz (+0/-3 dB, @ 1 W reference 1 kHz) |
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THD+N |
≤0.3 % (at full rated power) |
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Channel Separation (Crosstalk) |
≤-60 dBV (below rated power, 1 kHz) |
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Dynamic Range |
88 dB |
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Integrated DSP |
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A/D and D/A Converters |
24-bit / 48 kHz |
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Processing Functions |
Loudspeaker EQ, Bose® Opti-voice® paging, Dynamic equalization |
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Loudspeaker Presets |
FreeSpace DS 16 and DS 40 loudspeakers, High-Pass Filter (HPF) |
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Audio Latency |
10.4 ms – (any input to speaker output or aux output) |
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Audio Inputs |
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Line Inputs |
Mic/Line Inputs |
Page Inputs |
Auxiliary Input |
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Input Channels |
2 Unbalanced line |
1 Balanced mic/line |
1 Balanced mic |
1 Unbalanced line |
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Connectors, Input |
Stereo RCA |
Combo XLR – 1/4″ (6.5mm) TRS |
4-pin Euroblock |
1/8″ (3.5mm) TRS |
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Input Range |
-10 dBV – +10 dBV |
-60 dBV – +10 dBV |
-60 dBV – +10 dBV |
0 dBV – +10 dBV |
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Adjustment Range |
-20 dB – +20 dB |
0 dB – +50 dB |
0 dB – +50 dB |
Fixed |
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Input Impedance |
20 kΩ |
2 kΩ |
2 kΩ |
20 kΩ |
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Maximum Input Level |
+10 dBV |
+10 dBV |
+10 dBV |
+10 dBV |
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Sensitivity |
n/a |
n/a |
n/a |
0 dBV |
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Nominal Input Level |
0 dBV |
-40 dBV |
-40 dBV |
0 dBV |
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Audio Outputs |
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Outputs |
Amplifier Outputs |
Auxiliary Output |
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FreeSpace® IZA 250-LZ integrated zone amplifier |
FreeSpace® IZA 250-LZ integrated zone amplifier |
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2 |
1 Unbalanced |
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Connectors, Output |
2-terminal barrier strip |
Stereo RCA |
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Output Impedance |
4 Ω |
400 Ω |
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Nominal Output Level |
2 x 50 W @ 4Ω (min); 2 x 25 W @ 8Ω |
0 dBV (max) |
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Indicators and Controls |
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LED Status Indicators |
Power – blue, Input clip – red (-3 dBFS) |
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Controls, Front Panel |
Power On/Off, Input Select (A/B), Tone Controls (Treble/Bass), Mic/Line Gain, Master Level |
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Controls, Rear Panel |
Amplifier Mode DIP switch, Loudspeaker EQ preset selector, Input Gain (A/B/Page mic), Output trim |
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Electrical Specifications |
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Mains Voltage |
100 V AC – 240 V AC (+/- 10%, 50/60 Hz) |
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AC Power Consumption |
15 W (Idle), 200 W (Max) |
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Mains Connector |
Standard IEC (C14) |
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Maximum Inrush Current |
13.9 Amps (230 V / 50 Hz), 7.6 Amps (120 V / 60 Hz) |
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Overload Protection |
High temperature, short |
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Physical |
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Rack Space Units |
1 RU high, half rack wide |
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Dimensions |
1.8″ H x 8.4″ W x 12.2″ D (45 mm x 214 mm x 310 mm) |
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Shipping Weight |
FreeSpace® IZA 250-LZ integrated zone amplifier |
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6.7 lb (3.0 kg) |
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Net Weight |
4.8 lb (2.2 kg) |
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Cooling System |
Natural convection |
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General |
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Inputs (Control) |
Remote input for Volume Control with A/B Select user interface, Mute input for amplifier muting via contact closure |
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