WH20TQG SpecificationsType: Dynamic, Close-Talking
Frequency Response (at 8 mm [5/16 in.]): 50 to 15,000 Hz (see Figure 2)
Polar Pattern: Cardioid (unidirectional) response�uniform with frequency, symmetrical about axis (see Figure 3)
Impedance: Microphone rating impedance is 150 ohms (200 ohms actual)
Output Level (close-talked* at 1,000 Hz)
Open Circuit Voltage �67.0 db/Pa (0.45 mV) (1 Pa = 94 dB SPL)
At 12.5 mm (1/2 inch).
Hum Sensitivity: 38.4 dB equivalent SPL in a 1 millioersted field
Polarity: WH20QTR as a wired microphone: Positive sound pressure on diaphragm produces positive voltage on tip with respect to sleeve (ground) of microphone output phone plug connector.
WH20QTR, WH20TQG used with Shure Wireless Systems:
1/4-inch Phone Jack Receiver Outputs: Positive sound pressure on diaphragm produces positive voltage on tip of receiver output connector.
Environmental Conditions Operating Temperatures: �18� to 60�C (0� to 140�F)
Storage Temperatures: �29� to 74�C (�20� to 165�F)
Humidity: 0 to 95%
Cable: Attached 1.22 m (4 ft), small-diameter, shielded, PVC-jacketed, two-conductor.
Cable Connector: WH20TQG: Female Switchcraft Tini �QG� (TA4F)
Construction Black thermoplastic housing; stainless steel grille; black TEFLON-coated stainless steel wireframe; flexible plastic-clad monel gooseneck; rubber/nylon elastic headband
Net Weight (including connector)
WH20TQG: 64 g (2.2 oz)
800-834-5986
