P631三路麥克風前置放大器

P631由三路ICP供電麥克風前置放大器與一路后級放大器組成，可直接接駁各類音頻分析測量系統(tǒng)，完成手機、耳機、微型喇叭的聲學參數(shù)測試。

MICROPHONE PREAMPLIFIER

TECHNICAL SPECIFICATIONS：

FREQUENCY RESPONSE:  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:  ±7mA

GAIN:  0 & 20dB

INPUT IMPEDANCE:  5600 Ohm

OUTPUT IMPEDANCE:  100 Ohm

SIZE: 210×143×69mm

MAXIMUM OUTPUT VOLTAGE (@1kHz): 5 Vpp

AM/FM信號源          POWER AMPLIFIER

TECHNICAL SPECIFICATIONS ：

OUT POWER: 50W(8Ohm)

FREQUENCY RESPONSE:  20Hz÷110kHz (-1dB)

THD (@1 kHz):  0.004%