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C 680 BL
Table Microphone
Description
The C 680 BL is a boundary layer condenser microphone
with a cardioid pattern intended for table use, lecterns, and
houses of worship. The transducer is internally shock
mounted for immunity to impacts on the mounting surface.
The microphone is provided with a roll of non-staining
double-sided adhesive for positive mounting of the
microphone to a table or other flat architectural detail.
The microphone has a sensitivity of 23 mV/Pa and can
directly drive many microphone input stages with limited gain
reserve. The microphone is phantom powered over the range
from 9 to 52 volts dc.
Features
• Small & inconspicuous
• Shock mounted transducer
• Unidirectional pickup
• Repaintable
Specifications
Transducer Principle: Condenser prepolarized
Frequency Range: 60–20,000 Hz
Polar Pattern: Cardioid
Sensitivity at 1,000 Hz: 23 mV/Pa (-32 dBV)
30 mV/Pa (-30 dBV)
Equivalent Noise Level: < 27 dB-A
Sound Pressure Level for 1% THD: 115 dB
S/N Ratio (A-weighted): > 67 dB
Electr. Impedance: < 200 ohms
Load Impedance: > 2000 ohms
Power Requirement: 9–52 volts phantom powering
Connector: 3-Pin XLR type
Cable Length: 3 m (10 ft.)
Finish: Non-reflective black
Size: 3.8 x 2.6 x 0.8 in.
(97 x 67 x 20 mm)
Net/Shipping Weight: 3.5/10 oz. (100 g/284 g)
Included Accessories: Phantom power adapter,
adhesive tape
Optional Accessories: B 18 Battery power supply
N 62 E AC Power supply