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AKG C680 BL |
Table Microphone |
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.
• Small & inconspicuous
• Shock mounted transducer
• Unidirectional pickup
• Repaintable
Small and inconspicuous boundary layer microphone; shock mounted transducer; cardioid polar pattern; easy to repaint; integrated phantom power adapter. The C680 BL is a cost-efficient tabletop microphone for inconspicuous installation. The transducer shock mount minimizes knocking noise pickup from the table. The supplied strip of special adhesive tape allows you to fix the microphone temporarily on a table without staining the table or leaving any residue after removal. Preferred uses include conferencing, lectern, or places of worship.
General 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
Architects and Engineers Specifications:
The boundary layer microphone shall have a cardioid pattern and shall fit within a rectangular envelope given by: 3.8 x 2.6 x 0.8 in. (97 x 67 x 20 mm). The sensitivity of the microphone shall be no lower than 30 mV/Pa, and total harmonic distortion (THD) at an operating level of 115 dB shall be no greater than 1%. The equivalent noise level of the microphone shall be no greater than 27 dB-A. The microphone’s frequency response shall be flat from 200 Hz to 20 kHz, with a broad 5 dB peak in the 3 to 4 kHz range. Response below 200 Hz shall roll-off at a rate of 12 dB per octave. The microphone shall operate on phantom power over the range from 9 to 52 volts dc. The microphone shall be the AKG Acoustics Model C 680 BL.
AKG C680 BL
Table Microphone