m150 ,m149

با سلام خدمت دوستان عزیز خواستم که این مدلهای m 149TUBE . m 150TUBE neumannرومعرفی کنم
که اساتید محترم بیشتر در مورد این میک ها توضیح بدن
Acoustical operating

principle: Pressure transducer
• Directional pattern: Omnidirectional
• Frequency range: 20 Hz ... 20 kHz
• Sensitivity at 1 kHz into 1 kohm: 20 mV/Pa
• Rated impedance: 50 ohms
• Rated load impedance: 1000 ohms
• Equivalent SPL CCIR 468-3: 28 dB
• Equivalent SPL DIN/IEC 651: 15 dB-A
• S/N ratio CCIR 468-3: 66 dB
• S/N ratio DIN/IEC 651: 79 dB
• Max. SPL (tube characteristic): K < 0,5 %: 114 dB, K < 5 %: 134 dB
• Dynamic range (of the amplifier): K < 0,5 % *: 99 dB, K < 5 %: 119 dB
• Maximum output voltage: 8 dBu
• Weight: 800 g
• Diameter: 78 mm
• Length: 165 mm

 

m149

• Switchable tube microphone
• Transformerless circuitry
• High output level
• Pressure gradient transducer with M 49 capsule
• Acoustically very open wire mesh cage
• Nine directional characteristics: omni, wide angle cardioid, cardioid, hypercardioid, figure 8, and one intermediate position each
• 7 fold switchable low frequency roll-off
• Frequency range: 20 Hz-20 kHz
• Sensitivity at 1 kHz into 1 kohm: 34/47/62 mV/Pa
• Rated impedance: 50 ohms
• Rated load impedance: 1000 ohms
• Equivalent SPL CCIR 468-3: 28/25/23* dB
• Equivalent SPL DIN/IEC 651 16/13/11* dB-A
• S/N ratio CCIR 468-3: 66/69/71* dB
• S/N ratio DIN/IEC 651: 78/81/83* dB
(* omni/cardioid/figure-8)
• Typical SPL for K <0,5%: 120 dB; for K <5%: 136 dB
• Maximum output voltage: 18 dBu
• Dynamic range of the microphone amplifier, cardioid DIN/IEC 651 for < 0,5% THD (for < 5% THD): 101 (121) dB
• Power supply is N 149
• Weight: 1.6 lbs (730 g)
• Diameter: 2.76" (70 mm)
• Length: 7.91" (201 mm)