| 经销商 | 联系方式 |
|---|---|
| 爱思创Extron电子 | 4000.398766、 021-3760 1568 |
Extron MPA 152 是一款通过能源之星 ( ENERGY STAR ® ) 认证的集成式微型功率放大器。它采用了 Extron 独特、高效的高级 D 类功率放大器设计以及专利的 CDRS™ (D 类波纹抑制) 技术，能够提供流畅、纯净的音频波形，大大提高了传统 D 类放大器设计的信号保真度。Extron 的这一独特、高效的设计使功率放大器无需使用风扇，即能在通风条件较差或无通风的环境中运行。MPA 152 可在教室和其它需要紧凑、经济型音频解决方案的应用环境中为扬声器系统提供立体声放大功能。它特别适用于采用内置式视频投影机扬声器的基本型教室系统。
| 可选附件 | ||
|---|---|---|
| MLA VC10 Plus | 音量控制模块 | |
| MBB 100 | Back of Rack Mounting Kit | |
| MBU 123 | 用于 1/8、1/4 和 1/2 机架宽产品的薄型安装套件 | |
| SM 3 | SpeedMount 紧凑型全音域表面安装式扬声器 | |
| VCM 200 D | 音量和静音控制器 - Decorator 型墙面板 | |
| PMK 350 | 用于多个产品的薄型杆式安装套件 | |
| PMK 100 | 用于 1/4 机架宽产品的杆式安装套件 | |
| RSB 123 | Basic Rack Shelf for 3.5" Deep Products | |
| RSF 123 | 用于 3.5" 深产品的机架搁板套件 | |
| VC 50 | 音量控制墙面板 | |
Extron MPA 152 是一款通过能源之星 ( ENERGY STAR ® ) 认证的集成式微型功率放大器。它采用了 Extron 独特、高效的高级 D 类功率放大器设计以及专利的 CDRS™ (D 类波纹抑制) 技术，能够提供流畅、纯净的音频波形，大大提高了传统 D 类放大器设计的信号保真度。Extron 的这一独特、高效的设计使功率放大器无需使用风扇，即能在通风条件较差或无通风的环境中运行。MPA 152 可在教室和其它需要紧凑、经济型音频解决方案的应用环境中为扬声器系统提供立体声放大功能。它特别适用于采用内置式视频投影机扬声器的基本型教室系统。
特性
30 W rms 输出功率 — 2 x 15 W , 4 Ω; 2 x 8 W , 8 Ω
最新 通过能源之星（ENERGY STAR ® ）认证的功 率放大器
Extron 专利的 CDRS™ - D类波纹抑制技术
前面板低音、高音和输入音量控制
立体声/双单声道触发开关
UL 2043 阻燃型
平衡和非平衡缓冲音频输入
无风扇设计
自动削波限制器
远程音量和静音控制端口
可机架安装的 1U 高、1/4 机架宽的金属外壳
示意图
面板图
| MPA 152 with ENERGY STAR® | |||
| Audio | |||
|---|---|---|---|
| Voltage gain | |||
| Balanced | 25x (28 dB) | ||
| Unbalanced | 50x (34 dB) | ||
| Stereo channel separation | >60 dB @ 1 kHz | ||
| CMRR | 74 dB (typical)@ 1 kHz | ||
| Bass adjustment | ±10 dB @ 80 Hz (reference) to 1 kHz (2 dB tolerance) | ||
| Treble adjustment | ±10 dB @ 10 kHz (reference) to 1 kHz (2 dB tolerance) | ||
| Audio input | |||
| Number/signal type | 1 stereo, balanced/unbalanced input 2 stereo, unbalanced inputs (The three inputs are individually buffered and mixed together.) |
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| Connectors | (1) 3.5 mm captive screw connector, 5 pole (main input) (1) 3.5 mm mini audio jack (tip, ring, sleeve) 1 pair female RCA |
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| Impedance | >10k ohms unbalanced/balanced, DC coupled | ||
| Maximum level | |||
| RCA and TRS inputs | +1 dBV (unbalanced) at 1% THD+N | ||
| Captive screw input | +9 dBu (balanced) at 1% THD+N | ||
| Input sensitivity | |||
| Balanced | -8 dBu | ||
| Unbalanced | -16 dBV | ||
| Input signal detection threshold | RCA and mini audio jacks: -50 dBV ±3 dB, unbalanced Captive screw connector: -42 dBu ±3 dB, balanced |
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| Audio output | |||
| Number/signal type | 1 stereo or 2 mono (2 channels total) | ||
| Connectors | (1) 5 mm captive screw connector, 4 pole | ||
| Load impedance | 4 ohms, minimum | ||
| Amplifier type | Class D | ||
| Output power | 8watts rms per channel, 8 ohms, 1 kHz, 1% THD 15watts rms per channel, 4 ohms, 1 kHz, 1% THD |
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| Frequency response | 20 Hz to 20 kHz, ±3 dB | ||
| THD + Noise | 0.15% @ 1 kHz at nominal level (1 watt, 8 ohm load) | ||
| S/N | 74 dB, 20 Hz to 20 kHz, unweighted | ||
| Damping factor | >30 at 4 ohms | ||
| Communications — amplifier | |||
| Control port | (1) 3.5 mm captive screw connector, 3 pole | ||
| Pin configuration | Pin 1 = +10 VDC, 50 mA (max.), pin 2 = volume/mute (variable voltage), pin 3 = GND | ||
| Volume control voltage range | 0 V (mute) to 10 V (maximum volume) | ||
| General | |||
| Power supply | External Input: 100-240 VAC, 50-60 Hz Output: 12 VDC,2 A,24 watts |
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| Power consumption | |||
| Typical (1/8 power) | |||
| Device | 6.2 watts, 4 ohm load | ||
| Device and power supply | 7.6 watts, 4 ohm load | ||
| Quiescent | |||
| Device | 2.4 watts | ||
| Device and power supply | 3.1 watts | ||
| Standby | |||
| Device and power supply | <1 watt (triggered after 25 minutes [±5 minutes] with no signal) | ||
| Temperature/humidity | Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing |
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| Cooling | Convection, no vents | ||
| Thermal dissipation | |||
| Standby | |||
| Device and power supply | <1 watt (3 BTU/hr) | ||
| Idle | |||
| Device | 2.4 watts (8 BTU/hr) | ||
| Device and power supply | 3.1 watts (10 BTU/hr) | ||
| 1/8 power | |||
| Device | 2.5 watts (9 BTU/hr), 4 ohm load | ||
| Device and power supply | 3.9 watts (13 BTU/hr), 4 ohm load | ||
| Mounting | |||
| Rack mount | Yes, with optional 1U rack shelf or back of rack mounting kit | ||
| Furniture mount | Yes, with optional mini under desk mounting kit | ||
| Pole mount | Yes, with optional pole mounting kit | ||
| Enclosure type | Metal | ||
| Enclosure dimensions | 1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide) (4.3 cm H x 10.9 cm W x 7.6 cm D) (Depth excludes connectors.) |
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| Product weight | 0.6 lbs (0.3 kg) | ||
| Shipping weight | 3 lbs (2 kg) | ||
| Vibration | ISTA 1A in carton (International Safe Transit Association) | ||
| Regulatory compliance | |||
| Safety | CE, c-UL, UL UL rated for use in plenum airspaces: meets UL 2043 for heat and smoke release, excluding the power supply; meets UL 60065 for safety. |
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| EMI/EMC | CE, C-tick, FCC Class B, ICES, KCC, VCCI | ||
| Environmental | Complies with the appropriate requirements of CEC, ENERGY STAR ® (ENERGY STAR qualified amplifier), EU code of conduct, RoHS, WEEE | ||
| Warranty | 3 years parts and labor | ||
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| (8.1-073114-D9) | |||
| 可选附件 | ||
|---|---|---|
| MLA VC10 Plus | 音量控制模块 | |
| MBB 100 | Back of Rack Mounting Kit | |
| MBU 123 | 用于 1/8、1/4 和 1/2 机架宽产品的薄型安装套件 | |
| SM 3 | SpeedMount 紧凑型全音域表面安装式扬声器 | |
| VCM 200 D | 音量和静音控制器 - Decorator 型墙面板 | |
| PMK 350 | 用于多个产品的薄型杆式安装套件 | |
| PMK 100 | 用于 1/4 机架宽产品的杆式安装套件 | |
| RSB 123 | Basic Rack Shelf for 3.5" Deep Products | |
| RSF 123 | 用于 3.5" 深产品的机架搁板套件 | |
| VC 50 | 音量控制墙面板 | |
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