P631三路麦克风前置放大器
P631由三路ICP供电麦克风前置放大器与一路后级放大器组成，可直接接驳各类音频分析测量系统，完成手机、耳机、微型喇叭的声学参数测试。
MICROPHONE PREAMPLIFIER
TECHNICAL SPECIFICATI***：
FREQUENCY RESP***E: 7Hz÷110kHz (-3dB)
THD (@1kHz): 0.01%
WEIGHTING FILTERS: A (IEC 651 - TYPE I)
INPUT NOISE (@20dBGain): 7uV LIN, 5.3uV A
PHANTOM POWER SUPPLY: 8.2V ，24V(5600 Ohm)
DRIVE CAPABILITY: &plu***n;7mA
GAIN : 0 & 20dB
INPUT IMPEDANCE: 5600 Ohm
OUTPUT IMPEDANCE: 100 Ohm
SIZE: 210×143×69mm
MAXIMUM OUTPUT VOLTAGE (@1kHz): 5 Vpp
AM/FM信号源 POWER AMPLIFIER
TECHNICAL SPECIFICATI*** ：
OUT POWER: 50W(8Ohm)
FREQUENCY RESP***E: 20Hz÷110kHz (-1dB)
THD (@1 kHz): 0.004%