DS212A 自动反馈消除器

  • The potentiometer LED indicates the power strength of the input signal. Features a 2 x 16-character LCD with backlight.
  • 双通道输入,每通道12个自动搜索反馈点。
  • Super-fast automatic feedback control. Places filters with a resolution of 0.5Hz.
  • 每个滤波器都有独立的动态和静态滤波器,具有自动处理和锁定陷波频率的能力。
  • 反馈前提供更多增益(典型值为6~9dB)。
  • 准确区分音乐和反馈。

Advanced Feedback Suppression

DS212A features exceptional automatic feedback suppression with ultra-fast speed, detecting howling in under 0.4 seconds at a frequency of 1 kHz.

Dual-Channel Design

The product is designed with dual channels, each capable of automatically searching for 12 frequencies for feedback suppression points.

Independent Dynamic and Static Filtering

Each filter is equipped with independent dynamic and static filtering, allowing for automatic processing and locking of notch frequency points, margin increase, and reduction of background noise.

Enhanced Fidelity with Bandwidth Notch Filter

Utilizing a 1/40 octave bandwidth notch filter, DS212A ensures maximum fidelity of sound, providing users with a high-quality audio experience.

参数
频率范围20Hz~20kHz (< +0.5dB)
动态范围>106dB(A)
找到并消除反馈时间<0.4s @ 1KHz
陷波增益Max -48dB
最大输出电平<10.5dBu
THD+ N<0.0025% @ +4dBu/1KHz
信噪比>100dB(A)
AD/DA24bit ∑-△, 14/128次采样率
采样频率48KHz
主电源AC90~250V 50/60Hz
功耗<10W
净重1.8kg
大小482mm x 152mm x 45mm
输入TRS端子2 x 6.35mm TRS 插座
卡侬接头2 x 卡农接口
阻抗20kΩ(平衡), 10Ω(非平衡)
增益0dB/ 12dB
输出TRS端子2 x 6.35mm TRS 插座
卡侬接头2 x 卡农接口
阻抗150Ω

coming soon

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