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 Mic Akg680 Bl - Can't Hear My Voice |
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  jeu. 15 nov. 2007, 12:23
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Newbie
Groupe : Members
Messages : 2
Inscrit : 15 nov. 07
Membre no 96,513
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Hello, I just bought a AKG C680 BL Microphone (Jack stereo Native and XLR adaptator) to record my voice under Windows.  As i plug the microphone, i can hear some noisy sound but after i can't hear my voice at all... (i have to scream in the microphone to hear a little of my voice...). It sounds like there is an amplification problem. I also plugued it in my Osprey XLR card , but stil no hear voice at all... Before sending the microphone back to the vendor, i would be glad to read some specialist advises  Here are the microphone specs : QUOTE The C 680 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.
Features:
* Small and inconspicuous boundary layer microphone
* Shock mounted transducer
* Cardioid polar pattern
* Easy to repaint
* Integrated phantom power adapter
* 3 Pin XLR connector on 3m (10ft) cable
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
Ce message a été modifié par kankan - jeu. 15 nov. 2007, 12:26.
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jeu. 15 nov. 2007, 16:15
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Newbie
Groupe : Members
Messages : 2
Inscrit : 15 nov. 07
Membre no 96,513
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QUOTE (lepetitmartien @ Thu 15 Nov 2007, 15:28)  Hello
It looks like you miss the preamp in between, the level of the mic is kept low so… Does your soundcard/interface has a Pre? I've had a look at Osprey interfaces and none has, the only one with XLR accepts Line level input, there's not preamp as far as I've seen and you need one. Oh i see, merci lepetitmartien What do i need to Preamp the signal ? Do i need to purchase a specific sound card ? I am totally newbie regarding sound systems. I plan to use this microphone for videoconferencing > the mic will be placed on a rectangular table ... this microphone was supposed to do the business ... i am a bit confused. Thank you for your answer.
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