项目经理：胡晨东 电话：13810612127 QQ:496842101
VT-747SP是一台立体声电子管压限器,同时具有6段图示均衡功能,曾获得TEC大奖.
功能特性：
● 具备3个双三级真空电子管，并采用高电压离散甲级模式
● 具备立体声甲级opto-compressor，带有光谱控制
● 具备立体声甲级6段离散均衡处理
● TSP 双信号路径，具备真空电子管旁通功能
● 极低的噪声：-92dB
● 全面平衡甲级输入和直流联结输出
● 立体声动态可达60dB，具备高精度的输出电平
● 前面板具备高质量的模拟VU 表
● 密封式继电器用于所有信号路径
● 内置离散的稳压电源
● 最大输入电平：+36dB平衡XLR 接口
● 最大输出电平：+30dB平衡XLR 接口， 600ohms
● 输出增益：-45dB-+6dB
● 频率响应：1Hz-200kHz-3dB
● 域值-30dB-+20dB可调，压缩比1:1-20:1可选
● 启动时间2ms-200ms可调，恢复时间100m -5s 可调
● 2U可机架安装
技术参数：
Circuit topology | Three (3) dual triode vacuum tubes (Sovtek 6922), high-voltage discrete Class A mode. |
Input gain range | Balanced, Class A, 20k ohms, -20dB to +16dB with high gain switch |
Maximum input level | +36dB balanced XLR pin 2 hot |
Maximum output level | +30dB balanced 600 ohms, DC coupled, discrete Class A |
Output type | XLR connector, output trim gain -45dB to +6dB |
Noise 20kHz unweighted | -92dB |
Distortion THD, IMD | 0.5% |
Frequency response -3dB | 1Hz to 200kHz |
Gain reduction meter | High quality, illuminated gain reduction meter 0dB to -20dB range |
Output meter | Twin 20 segment LED VU meters with -27dB to +30dB range |
Compressor type | Optical passive attenuator |
Make-up gain | Variable 0dB to +10dB stereo tracking |
Threshold - Ratio | Threshold variable -30dB to +20dB, ratio-compression variable 1:1 to 20:1 |
Attack - Release | Attack variable 2mS to 200mS, release variable 100mS to 5 seconds |
Side-chain spectral contour | Variable threshold -15dB to +15dB, frequency 70Hz to 9kHz twin ranges |
Equalizer type | Discrete Class A, passive design optimized for full range program material |
Frequency bands (6) | Variable amplitude LF +/-24dB 15Hz shelf response |
AC power | Internal toroidal 100v to 240v, 50-60Hz selectable, 70 watts maximum |
Dimensions | 19 x 12 x 3.5 in (482 x 305 x 89mm) |
Weight | 22lbs (10kg) |
Dimensions-shipping carton | 21 x 18 x 8 in (533 x 457 x 203mm) |
Weight-packed | 26lbs (11.8kg) |
