4104 Noise Cancelling
4104 Noise Cancelling : Corrugated aluminium ribbon protected by fine woven nylon gauze
Accessories : Replacement washable plastic hygiene screen, packed in 10's
Foam lined rigid plastic carrying case
Body Housing : Brass perforated case with stainless nose and mouth screens, pvc covered handle designed to provide a natural holding position for long periods
Connection : By means of an XLR 3 pin plug - Pin 1 screen - Pin 2 positive - Pin 3 negative
Dimensions : 8" (200 mm) long x 2¼" (57 mm) wide x 3" (76 mm) deep.
Distortion : Less than 1% at 120 dB SPL
Equivalent Electro-magnetic hum pick up
Equivalent Electro-magnetic hum pick up : Less than 0.0002 dynes/cm² equivalent acoustic input for 1 milligaus at 50 c/s
Features : Better than 30 dB average discrimination between voice and background noise.
Provides speech of broadcast quality completely free from breath noises.
Flat frequency response at the controlled talking distance.
Finish : Body brown enamel paint with pvc covered handle.
Frequency Response : 60 Hz to 12,000 Hz
All microphones factory tested in free field conditions
Impedance : 300 ohm
Packaging : Each microphone comes in a foam lined rigid plastic carrying case for safe keeping.
Polar Response : Bi-directional
Ribbon : Low mass damped ribbon to control transient response
Sensitivity : -50 db W.R.T. IV/Pa
Weight : 10 oz (283 g).