The MXL has an amazing sensitivity rating of -55 dB (re. 50. Input SPL: 135dB SPL (at 1KHz) Specifications. 155 dB SPL, 1 kHz at 1% T.H.D. 123 dB re 1 Pa/V at 1 m Minimum Receive Sensitivity at Best Receive Frequency: -148 dB re 1V/ Pa Minimum Parallel Resistance @15kHz: 100 Ohm Minimum and Maximum Sensing Range: 1-60 m Beamwidth (@ -3 dB Full Angle): 6° +/-2° Maximum Driving Voltage (2% Duty Cycle Tone Burst): 900 V pp Operating Temperature: -30°C to 60°C Thermistor Operating Range: -20°C to 60°C Weight: 2.6 lbs / … Test conditions. Microphone cartridge capacitance, typ. Bit Depth: 24-bit. Electret Microphone 1 -41 ±4 -61 ±4 1.0 ~ 20 50 — 30 10K 3.5K 423-1016-ND 63.57 54.70 47.31 MR-28406-000 Magnetic Microphone 2 -67.5 ±3 -87.5 ±3 — — 75.5 — 300 300 423-1015-ND 46.14 39.71 34.34 MR-23151-000 Fig. IEC 61094-4 Designation. Teledyne RESON Hydrophone TC4032 Low Noise Sea-State Zero Hydrophone Hydrophone TC4032 Outline Dimensions Electrical Diagram Per default the amplifier is provided with differential output. Our isolation clips minimize clothing and vibration noise, while allowing 360 degree rotation of the mic for easy positioning. Ribbon microphones are usually on the lower end of the scale, while some moving coil dynamic mics achieve as much as 3-4 mV. 45 dB ± 5 dB[nbsp]re 1V/Pa @ 10cm (typical) Microphone Frequency Response: 100 Hz – 12 kHz: Replacement Mic Screen: WND 058: Microphone Signal-to-Noise Ratio [gt]50 dB: Microphone Operating Voltage: 1 – 10 VDC: Headphone Driver Type: 50 mm, dynamic: Headphone Frequency Response: 10 Hz – 20 kHz : Headphone Impedance: 32 Ω: Headphone Max SPL Out: 96 dB: Headphone Max Power Input: … dB/°C / dB/°F-0.01 / -0.006. Deep Ocean ambient noise in the sound channel Chapman WWF Workshop Jan 2012 • ‘Quiet Periods’: no local ship noise • Single hydrophone spectra: Omni-directional • spectral levels; statistical properties; stationarity of noise . Condenser microphones usually have much higher sensitivity than dynamic mics. -31 dB re 1V/PA is better or more sensitive than -45 dB re 1V/PA. ** Output impedance at 1.3 VDC supply: 3 kOhm typ. The E2 Earset redefines pure sound in a virtually invisible package, and is easier to use than even a lavalier or podium microphone. Temperature coefficient @250 Hz . S/N ratio: 68 dB at 94 dB SPL. 1290 Hammerwood Avenue, Sunnyvale, CA 94089, USA | Tel: 408.745.0383 | Fax: 408.745.0956 | … mA. Rear. Temperature range, operation °C / °F-40 to 120 / -40 to 248. For … Equivalent noise level (self noise): 26 dB SPL typical (0 dB = 0.0002 dyne/cm2), A-weighted. -34 dB re 1V/Pa (20mV @ 94 dB SPL) ± 2dB @ 1kHz. 50. 2 7.24 7.24 4.83 Fig. Sensitivity:-40 dB re. Microphone venting. It has a low noise floor that enables measurement of very low noise. SENSITIVITY: -40.5 dB, re. Dimensions: Diameter: 21.6 mm (0.85") Length: 171 mm … 1v/pa). The tight hypercardioid pattern gives the B2D an extra 6-10 dB of headroom compared to an omni lav, meaning less problems with feedback, ambient noise, room rumble, and phase cancellations with multiple mics. Ω. V. 12. Microphone sensitivity -44 (±4) dB re. 1 4.01 5.59 Sound ports 2.26 1.803 Fig. Balanced output between pin 2 (+), pin 3 (-) and pin 1 (ground) MECHANICAL SPECIFICATIONS. Overload/Under Range Conditions A secondary role of calibration is to determine the sound level which would overload the instrument and the minimum sound level which can be accurately measured, referred to as the under range level. 1V/pa; MAXIMUM SPL: 120 dB with pad off, 135 dB with pad on. -34 dB (19.9 mV) re 1V at 1 Pa -42 dB (7.9 mV), re 1V at 1 Pa -35 dB (17.7 mV) dB re 1V at 1 Pa -36 dB (15.8 mV), re 1V at 1 Pa -32 dB (25.1 mV) re 1V at 1 Pa -32 dB (25.1 mV) re 1V at 1 Pa Impedence 200 ohms 100 ohms 250 ohms 100 ohms 100 ohms 100 ohms Maximum Input Sound Level 150 dB SPL, 1 kHz at 1% T.H.D. Power supply min. kHz. However, this isn’t the entire picture. Sound pressure sensitivity including the preamp is -31 dB ±1 dB re 1V/Pa (28.1 mV/Pa). 2 to 20. (dB) Classical Type4191‐B/C/L‐001 Type2669‐B/C/L 12.5 38 3.15 to 40k 21.4 to 162 Type4191 is designed for free‐field measurements where a wideband externally polarized microphone is required Input Microphone Preamplifier mV/Pa dB re 1V/Pa ±2dB Frequency Range (Hz) Dynamic Range (dB) Power supply min. Sensitivity @ 1kHz DC Supply Voltage Max. IMPEDANCE: 550 ohms, transformer balanced (Jensen) POWERING: 48VDC phantom … Maximum SPL: CM311 A, 148 dB SPL produces 3% THD. Output impedance . Signal to noise Ratio: 75 dBA SPL (as per IEC651) Power Requirements: 24V phantom power. Ω . Rear (Front on request) IEC 61094-4 Designation. ; 149 dB SPL, 1 kHz at 0.5% T.H.D. It can also be expressed in decibels by the following expression: Thus, a microphone giving an output signal V of 10 mV for a pressure signal p of 94 dB has a sensitivity of 10 mV/Pa or -40 dB. -28dB ±3dB re 1V/Pa at 1kHz, 12V-28 dB re 1 V/Pa @ 1 kHz, 12 V-28 dB re 1 V/Pa @ 1 kHz, 12 V-51 dB re: 1 V/μbar @ 1 kHz, 12 VDC-51 dB re: 1 V/μbar @ 1 kHz, 12 VDC: Cord Length 6 ft. +/-4 in. dB re 1V/Pa-26,0. Here p0 = 1Pa and V0 = 1 volt. 8. The differential output is an advantage where long cables are used in an electrically noisy environment. Usually on the lower end of the mic for easy positioning achieve as much as 3-4 mV V CCP supply. In an electrically noisy environment Ratio: 68 dB at 94 dB SPL, kHz. Request ) IEC 61094-4 Designation: 34 dB re 1V/Pa a low noise floor that enables measurement very. 1.3 VDC supply: 34 dB re 1V/Pa sound in a virtually package. Virtually invisible package, and is easier to use than even a lavalier or podium.... 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