The SM87A is a rugged, supercardioidcondenser microphone with superior rejection for clear reproduction of warm and accurate lead vocals in noisy environments.
The SM87A is a sensitive condenser vocal mic that is ideal for lead or backing vocals on stage or in a recording studio. Its supercardioid polar pattern provides greater rejection of unwanted sound sources, making it ideal for use in a reverberant or noisy environment.
It has a smooth frequency response that's specifically tailored for warm, rich, vocal reproduction.
chủng loại | Condenser |
tần số đáp ứng | 50 to 20,000 Hz |
mẫu cực | Supercardioid |
độ nhạy (at 1,000 Hz) | Open Circuit Voltage: –52.5 dBV/Pa (2.4 mV) (1 Pa = 94 dB SPL) |
tổng trở | Rated at 150 ohms (100 ohms actual ±20%) Recommended minimum load impedance: 800 ohms |
tổng trở ra | 1000 Ohm Load at 1,000 Hz: –6 dBV (0.5 V) |
ngưỡng áp suất âm (at 1,000 Hz) | 140.5 dB (0.25% THD, 1000 ohm load) |
Độ nhiễu bản thân | 24 dB typical, A-weighted 26 dB typical, weighted per DIN 45 405 |
Ngưỡng âm (1000 ohms) | 116.5 dB (maximum SPL to A-weighted noise level) |
Tỉ lệ tín hiệu nhiễu | 70 dB at 94 dB SPL (IEC 651) S/N ratio is difference between 94 dB SPL and equivalent SPL of self– noise A-weighted |
điện cực | Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 |
Yêu cầu nguồn điện | 11 to 52 vdc, 1.2 mA |
Vỏ | Aluminum construction with steel grille and satin black finish |
kết nối | Three-pin professional audio connector (male XLR type) |
trọng lượng | 200 grams (7 oz) |
kích thước | 192 mm (7-9/16 in.) L x 50 mm (2 in.) W at the widest point |
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