持续可变指向性电容界面话筒，带可编程开关，蓝色LED显示和逻辑接口；可编程薄膜软触开关；安全控制 (指向性和模式)；锁眼安装槽；逻辑 I/O ， 外部噪音抑制和/或远程控制；RF (无线电频率) 防护型结构；整体高通滤波器，消除不需要的低频；双接口后部/底部电缆出口设计；防震泡沫垫
频响  : 40Hz - 15KHz；灵敏度  : -33dBV (22.4mV) @ 1Pa；阻抗 : 330 ohms
本底噪声 : 29dBA；最大声压级 : 118dB, 1%THD；电源要求 : P48, 6mA  Variable Polar Pattern, Prog Switch, Boundary Mic w/active LED & Logic   RF/Logic/VP

930VPL
Continuously Variable Pattern Condenser
Desktop Boundary Microphone
Now one boundary mic can suit almost any challenge when tasked to
perform on altars, conference tables and stage floors or in media production.
Because the Astatic 930VPL has variable pick-up pattern selection
it can shorten the list of products an audio system designer requires
when boundary mics are specified. From omni-directional to cardioid,
hypercardioid, figure-of-eight and all tight or wide directional pick-up
patterns in between, an installer or designer can precisely tailor the mic’s
pick-up pattern for the best performance depending on the application or
environment. Selectable power up on or power up muted modes using
dip switches. Features the RF Resistant Architecture, programmable
feather touch membrane with LED, contact closure in and out interface,
and a bottom exit cable option.

Specifications
Operating Principal： Permanently-Biased Condenser
Polar Pattern： Continuously Variable
Frequency Response： 90Hz – 17KHz
Sensitivity： -32 dBV (25 mV) @ 1 Pa
Impedance： 120 ohms
Max SPL： 120 dB
Self Noise ：29 dBA
Power Requirements： P12, P24, P48, 4mA