Coles Electroacoustics 4115
Broadcaster's Noise-Cancelling Ribbon Microphone
MicrophonePrice not published
Specifications
- Type
- Microphone
- Description
- Broadcaster's Noise-Cancelling Ribbon Microphone
- Topology
- ribbon
- Signal path
- Analog
- Channels
- 1
- Channel format
- mono
- Form factor
- Handheld close-talking noise-cancelling mic with captive cable and PVC-covered handle
- Frequency response
- 80 Hz - 8,000 Hz
- Sensitivity
- -50 dB W.R.T. 1V/Pa
- Polar pattern
- figure-8 (bi-directional; noise-cancelling close-talking design)
- Impedance (Ω)
- 300
- Country of manufacture
- United Kingdom
Details
Controls: None standard; optional press-to-talk switch available
I/O: Captive 2-core + screen cable, 30 ft (9.1 m), no user-facing connector (unterminated/hardwired lead)
Notable use: Noise-cancelling mic for close indoor talking situations (broadcasting and PA announcements) in high background-noise environments; Civil Aviation Authority (CAA)-approved aircraft variant available
Notes: FLAG: noise-cancelling close-talk design, similar family to the 4104 lip mic but narrower published bandwidth (80 Hz-8,000 Hz) and captive 30 ft cable rather than a connector. Up to 20 dB reduction of mid/low-frequency interfering sound; distortion <1% at 120 dB SPL. Weight 10 oz (280 g per source, likely a typo for 280g not kg); dimensions 8" x 2" x 1.5" (203 x 51 x 38 mm). Satin chrome and brown enamel finish with brown PVC handle. Ships in foam-lined rigid case. No USD or GBP price published on manufacturer site; price_usd left blank per golden rules.