BT52 bass
Dynamic microphone
Technical Parameters£º
Directional£ºHypercardioid at 1KHz
Frequency response£º60-13KHz
Weight£©£º 22£¨±1£©g
Measurement condition£©
Ambient temperature£©£º 20 ± 2 ¡æ
Reference sound pressure level£º1Pa ( 94 dB SPL at 1 KHz )
BT56 sanre or tom/toms
Dynamic microphone
Technical Parameters£º
Sensitivity£©£º -50£¨±3£©dB£¨at 1KHz£©£¨0dB=1V/Pa£©
Impedance£©£º 600£¨±15%£©Ω£¨at 1KHz£©
Directional£©£º Hypercardioid£¨at 1KHz£©
Frequency response£º80-18KHz
Weight£º 22£¨±1£©g
Measurement condition
Ambient temperature£©£º 20 ± 2 ¡æ
Reference sound pressure level£º1Pa ( 94 dB SPL at 1 KHz )
BT81 instrument microphone, condenser microphone
Technical specification:
Microphone type: capacitor (dielectric bias, electret microphone)
Frequency response: 1Pa (94Db SPL at 1 KHZ)
Pickup mode: heart-shaped (one-way)
Sensitivity f=1KHZ,S.P.L=1Pa,0dB=1V/Pa, minimum value -46db, central value -44db, maximum value -42db
Output impedance ZOUT, f = 1 KHZ, the maximum 680 Ω
SNR: S/N,f=1 KHZ, S.P.L=1 pa, minimum value 60dB
Current consumption, Vcc = 1.5 V, RL = 680 Ω, minimum 150 ua, maximum 450 ua
Voltage reduction sensitivity, ¡÷ s-vs, Vcc= 4.5v to 1.0v, Max. -3db
Power: 48V phantom power
Supply voltage: 11 to 52 Vdc
Battery power: 1.5v alkaline AA type
