[. . . ] Low-frequency roll-off switch enables tailoring of low-frequency response to meet application requirements. [. . . ] Modern high-speed electronic design for extremely low distortion, and outstanding transient response. High current differential output stage can drive long microphone cables without loss of performance. Multistage pop filter eliminates breath pop noises · · · · · · General Description: The RE510 is a professional quality hand-held condenser microphone that was designed especially for vocalists. The RE510 features a 5/8" diameter capsule, advanced electronic design, and best of all, a sound that will enhance any vocal performance. (See figure 4) Technical Specifications: Generating Element: Frequency Response: Polar Pattern: Sensitivity, Open Circuit Voltage, 1 KHz : Output Impedance: Clipping Level, 1 KHz : Maximum SPL, 1 KHz: Self-Noise: Dynamic Range, (Maximum SPL to A Weighted noise level): Signal-to-Noise Ratio: Polarity: Power: Dimensions: Weight: Accessories Included: 1 Self-Biased Condenser 40 to 20, 000 Hz Supercardioid -52 dBV/Pa (2. 5 mV) 250 ohms +2 dBV 146 dB SPL (1% THD) 22 dBA 124 dB 72 dB (@ 94 dB SPL) Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 Phantom Supply Requirement : 48 Vdc, positive at pins 2 & 3 Current Drain: Up to 10 Ma. , Length = 7. 15" (182 mm) Diameter = 2. 0" (51 mm)Shank = 0. 80: (20 mm) 9. 2 oz. (260 g) Stand Adaptor (Black) Soft zippered "gig" bag Figure 1 Figure 3 Maximum, SPL to A Weighted Noise Level Figure 2 Figure 4 U. S. A. For customer orders, contact Customer Service at: 800/392-3497 Fax: 800/955-6831 Europe, Africa, and Middle East only. For customer orders, contact Customer Service at: + 49 9421-706 0 Fax: + 49 9421-706 265 Other International locations. [. . . ] For customer orders, contact Customer Service at: + 49 9421-706 0 Fax: + 49 9421-706 265 Other International locations. [. . . ]