This looks interesting....a buget beyer...might be a great starter mic. B+H is selling them for about 129$....
http://north-america.beyerdynamic.com/shop/media//datenblaetter/DAT_TGI53c_EN_A3.pdfTECHNICAL SPECIFICATIONS
Transducer type . . . . . . . . . . . . . . . . Condenser (back electret)
Operating principle. . . . . . . . . . . . . . Pressure gradient
Polar pattern . . . . . . . . . . . . . . . . . . Cardioid
Frequency response
Close miking . . . . . . . . . . . . . . . . . . 20 - 20,000 Hz
Distant miking (measured at 1 m). . . 35 - 20,000 Hz
Open circuit voltage . . . . . . . . . . . . . 6.8 mV/Pa (-43.4 dBV)
±2.5 dB
Nominal impedance . . . . . . . . . . . . . 200 Ω
Load impedance. . . . . . . . . . . . . . . . ≥ 1 kΩ
Max. SPL
at 24 V and 48 V phantom power . . 140 dB
S/N ratio. . . . . . . . . . . . . . . . . . . . . . 61 dB [CCIR; Q-Peak]
71 dB [A; RMS]
Equivalent SPL . . . . . . . . . . . . . . . . . 23 dB [A; RMS]
33 dB [CCIR; Q-Peak]
Power supply . . . . . . . . . . . . . . . . . . Phantom power: 12 - 48 V
(recommended: 48 V)
Power consumption . . . . . . . . . . . . . 4.7 mA
Connection . . . . . . . . . . . . . . . . . . . 3-pin XLR, male
Dimensions . . . . . . . . . . . . . . . . . . . 100 x 19.5 mm