AKG Perception 820 Professional Tube Microphone w/ Remore Control Unit Details

• Two back-to-back one-inch large diaphragms featuring True Condenser Technology
• An ECC 83 dual-triode tube circuitry emphasizes even-order harmonics for rich, smooth and three-dimensional sound
• The elegant remote control unit allows selection of 9 different pickup patterns from omnidirectional to cardioid to figure 8
• The switchable bass cut filter (80 Hz, 12 dB/oct) reduces unwanted rumble or footfall noise
• A 20 dB allenuation pad enables for high SPL applications up to 155 dB
• Brush-finished, anodized Aluminium front plate and all-metal housing for maximum shielding
• A ground lift switch prevents unwanted hum if necessary
• Designed and engineered in Vienna, Austria

AKG Perception 820 Professional Tube Microphone w/ Remore Control Unit Specifications

• Type: 1-inch dual-diaphragm, true condenser pressuregradient
• Polar pattern: omnidirectional, cardioid, figure eight plus six intermediate patterns (selectable on Remote Control Unit)
• Frequency range: 20 to 20,000 Hz
• Sensitivity: 20 mV/Pa (-34 dBV ±3 dB)
• Max. SPL: 135/155 dB SPL (0/-20 dB) for 0.5% THD
• Equivalent noise level: 16 dB-A (IEC 60268-4)
• Preattenuation pad: -20 dB (switchable on Remote Control Unit)
• Bass cut filter slope: 12 dB/Oktave, 80 Hz (switchable on Remote Control Unit)
• Impedance: <=200 ohms
• Recommended load impedance: >=1000 ohms
• Powering: via Remote Control Unit
• Connector: dedicated 7-pin male XLR
• Dimensions: 53 dia. x 212 mm high (2 x 8.3 in.)
• Net weight: 870 g / 1.9 lbs.
• Remote Control Unit:
  • Audio/control input: dedicated 7-pin female XLR connector
  • Audio output: standard 3-pin male XLR connector,balanced, pin 2 hot
  • Polar pattern selector: 9-position detented rotary switch
  • Bass cut filter switch: 2-position toggle switch
  • Preattenuation switch: 2-position toggle switch
  • Power voltage: 210-240 VAC or 110-120 VAC, selectable
  • Primary fuse: 125 mA / 250 V slow-blo