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KSM44 Studio Microphone

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Overview

For ultimate recording quality and versatility.

The Shure KSM44 Studio Microphone is a multiple-pattern (cardioid, omni, and figure-8), externally biased, dual large diaphragm condenser microphone. It offers extremely low self noise (7dB); a warm, rich sound; vivid voice reproduction; and great flexibility in the studio. Works well on acoustic and amplified instruments and handles the high SPLs of drums and guitar amps. Includes color-matched ShureLock elastic-suspension shockmount, ShureLock swivelmount, protective velveteen pouch, and locking aluminum carrying case.

Requires phantom power.

Features

  • Extended frequency response
  • Very low self-noise
  • Exceptional low-frequency reproduction
  • High output level
  • High input SPL capability
  • No crossover distortion
  • Extremely uniform polar response
  • Superior common mode rejection and suppression of radio frequency interference
  • Dual 1-inch, externally biased, ultrathin, 2.5 micron, 24-karat, gold-layered, low mass Mylar diaphragms provide superior transient
  • response
  • Class A, discrete, transformerless preamplifier for transparency, extremely fast transient response, and no crossover distortion. Minimizes harmonic and intermodular distortions
  • Full-range frequency response (20Hz-20kHz for extremely accurate reproduction of voice and instruments
  • Extremely low self-noise for critical studio vocal recording
  • Premium electronic components and gold-plated internal and external connectors
  • Subsonic filter eliminates rumble from mechanical vibration below 17Hz
  • 15dB attenuation switch for handling high-input SPL sound sources
  • 3-position switchable low-frequency filter virtually eliminates unwanted background noise and controls proximity effect
  • Durable zinc die-cast housing and hardened low carbon steel grille protects the cartridge from accidents or misuse
  • Uniform polar response provides natural off-axis response for critical recording
  • An integrated three-stage pop protection grille guards against wind and breath noise
  • Internal shockmount to reduce unwanted handling and stand noise
Specs

KSM44 Studio Microphone Specifications:

  • Cartridge Type: Externally biased condenser
  • Frequency Response: 20 to 20,000Hz
  • Output Impedance: 150Î (actual)
  • Attenuation Switch: 0 or 15dB attenuation
  • Low Frequency Response Switch: Flat; -6dB/octave below 115Hz; -18dB/octave below 80Hz
  • Phantom Power: 48 VDC (IEC-268-15/DIN 45 596), positive pins 2 and 3
  • Current Drain: 5.4 mA typical at 48 VDC
  • Common Mode Rejection: 50dB, 20Hz to 20kHz
  • Polarity: Positive pressure on front diaphragm produces positive voltage on output pin 2 relative to pin 3
  • Dimensions and Weight: 55.9mm (2.20") maximum body diameter, 187mm
  • (7.37") long; 490.5g (17.30oz.).
  • Directional Polar Patterns: Cardioid, Omnidirectional, Bidirectional
  • Sensitivity (typical; at 1000Hz; 1 Pa = 94dB SPL): -31dBV/Pa, -37dBV/Pa, -36dBV/Pa
  • Self-noise (typical, equivalent SPL; A-weighted, IEC 651): 7dB, 10dB, 10dB
  • Maximum SPL @ 1000Hz:
  • 2500Î load (Attenuator on) - 132 (149)dB, 138 (151)dB, 137 (150)dB
  • 1000Î load (Attenuator on) - 127 (144)dB, 132 (145)dB, 131 (144)dB
  • Output Clipping Level*:
  • 2500Î load: 7dBV
  • 1000Î load: 1dBV
  • Dynamic Range:
  • 2500Î load: 125dB,128dB, 127dB
  • 1000Î load: 120dB, 122dB, 121dB
  • Signal to Noise ratio:** 87dB, 84dB, 84dB
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