Extron RAC 104 四通道音量和音调远程音频控制器位于切换器和音频功率放大器之间时，可提供四个通道用于音量和高低音的控制。它可配置用于在诸如教室和会议室环境的各种应用中，控制单声道和立体声音频的分配。
| 快速参考 |
|---|
| Everlast 电源 (宣传册) |
| 可选附件 | ||
|---|---|---|
| RSU 129 | 用于 9.5" 深产品的通用型机架搁板套件 | |
| RSB 129 | Basic Rack Shelf for 9.5" Deep Products | |
| RSF 123 | 用于 3.5" 深产品的机架搁板套件 | |
| RSB 123 | Basic Rack Shelf for 3.5" Deep Products | |
| PMK 300 | 用于 3 个 1/4 机架宽产品的多产品杆式安装套件 | |
Extron RAC 104 四通道音量和音调远程音频控制器位于切换器和音频功率放大器之间时，可提供四个通道用于音量和高低音的控制。它可配置用于在诸如教室和会议室环境的各种应用中，控制单声道和立体声音频的分配。
特性
四个音频通道的独立控制
通过前面板或 RS-232 进行音量和音调控制
流畅的 0.5 dB 音量转换
每个通道支持三个针对输入增益、音量、低音和高音调整的预先设置
与立体声或单声道音频系统兼容
可选择的专业级和消费级音频级别
可机架安装的 1U 高、1/4 机架宽的金属外壳
外置 Extron Everlast™ 电源, 产品编号 #70-1175-01 — 该全球通用型电源具有经验证的高可靠性和低功耗，能够降低运行成本
Extron Everlast 电源可享受 7 年部件及人工保修
示意图
面板图
| RAC 104 | |||
| Audio | |||
|---|---|---|---|
| Gain | Unbalanced output: -6 dB; balanced output: 0 dB, when input gain is set to 0 dB, output volume is at 100, and the input and output are set to the same level via the Line Level DIP switch |
||
| Frequency response | 20 Hz to 20 kHz, ±0.05 dB | ||
| THD + Noise | 0.03% @ 1 kHz at nominal level | ||
| S/N | >90 dB, balanced at maximum output (unweighted) | ||
| Crosstalk | <-120 dB @ 1 kHz | ||
| Stereo channel separation | >80 dB @ 1 kHz, >60 dB @ 20 kHz | ||
| CMRR | >75 dB @ 1 kHz | ||
| Volume control range | -100 dB to 0 dB (volume numbers 0 through 100) in 0.5 dB steps | ||
| Bass control range | ±14 dB, 100 Hz referenced to 1 kHz (0 through 14) in 2 dB steps | ||
| Treble control range | ±14 dB, 10 kHz referenced to 1 kHz (0 through 14) in 2 dB steps | ||
| Audio input | |||
| Number/signal type | 4 channels, which can be mono or tied into stereo pairs, balanced/unbalanced | ||
| Connectors | (2) 3.5 mm captive screw connectors, 5 pole | ||
| Impedance | >18k ohms unbalanced/balanced, DC coupled | ||
| Nominal level | +4 dBu (1.23 V), -10 dBV (316 mV), switchable per group | ||
| Maximum level | +20 dBu (7.75 V), (balanced or unbalanced) at 1% THD+N | ||
| Input gain adjustment | -12 dB to +12 dB | ||
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| Audio output | |||
| Number/signal type | 4 channels, which can be mono or tied into stereo pairs, balanced/unbalanced | ||
| Connectors | (2) 3.5 mm captive screw connector, 5 pole | ||
| Impedance | 50 ohms unbalanced, 100 ohms balanced | ||
| Nominal level | +4 dBu (1.23 V), balanced; -10 dBV (316 mV), unbalanced; switchable per group | ||
| Maximum level (Hi-Z) | >+20 dBu, balanced or unbalanced at 1% THD+N | ||
| Control/remote — remote volume/tone controller | |||
| Serial control port | RS-232, 3.5 mm captive screw connector, 3 pole | ||
| Baud rate and protocol | 9600 baud, 8 data bits, 1 stop bit, no parity | ||
| Serial control pin configuration | 1 = TX, 2 = RX, 3 = GND | ||
| Program control | Extron control/configuration program for Windows ® Extron Simple Instruction Set (SIS ™ ) |
||
| General | |||
| External power supply | 100 VAC to 240 VAC, 50-60 Hz, external to 12 VDC, 1 A, regulated | ||
| Power input requirements | 12 VDC, 0.2 A | ||
| 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 |
||
| Cooling | Convection, no vents | ||
| Mounting | |||
| Rack mount | Yes, with optional 1U rack shelf | ||
| Furniture mount | Yes,with optional brackets | ||
| Pole mount | Yes, with optional pole mount 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 and knob.) |
||
| Product weight | 0.5 lbs (0.3 kg) | ||
| Shipping weight | 2 lbs (1 kg) | ||
| Regulatory compliance | |||
| (7.6-101609-D7) | |||
| 可选附件 | ||
|---|---|---|
| RSU 129 | 用于 9.5" 深产品的通用型机架搁板套件 | |
| RSB 129 | Basic Rack Shelf for 9.5" Deep Products | |
| RSF 123 | 用于 3.5" 深产品的机架搁板套件 | |
| RSB 123 | Basic Rack Shelf for 3.5" Deep Products | |
| PMK 300 | 用于 3 个 1/4 机架宽产品的多产品杆式安装套件 | |
中国上海市松江区茸华路 686 号
(联系就说在DAV音视工程网上看到的)
Sales-China@Extron.com
021-3760 1566
爱思创电子（上海）有限公司（爱思创Extron中国）全球总部位于美国加州，是世界领先的专业视音频系统集成产品的生产商。爱思创Extron产品主要包括视音频控制系统、计算机视频接口、切换器、矩阵切换器、分配放大器、音频放大器、扬声器、双绞线和光纤设备、视频图像解析度转换器、视音频信号处理器、视音频流媒体产品、教室声场系统及高分辨率电缆。爱思创Extron电子提供专业视音频工程、培训、设计、演示支持。
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