P631三路麥克風(fēng)前置放大器
P631由三路ICP供電麥克風(fēng)前置放大器與一路后級(jí)放大器組成,可直接接駁各類音頻分析測量系統(tǒng),完成手機(jī)、耳機(jī)、微型喇叭的聲學(xué)參數(shù)測試。
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信號(hào)源 POWER AMPLIFIER
TECHNICAL SPECIFICATI*** :
OUT POWER: 50W(8Ohm)
FREQUENCY RESP***E: 20Hz÷110kHz (-1dB)
THD (@1 kHz): 0.004%