Measure Microphone/ Microphone Preamplifier
Shanghai Total Industrial Co., Ltd.- Measure Microphone Size：12.7mm (1,2"), 6.35mm (1,4")
- Transport Package：Carrying Case
- Specification：IEC-61672 Class 1, IEC60942 Class 1
- Trademark：ShowRange
- Origin：Shanghai, China
Base Info
- Model NO.：SR4403,04,22,23,25,31,35,SR4601,03,04,14E,00E
- HS Code：9025800000
- Production Capacity：1000PCS,Month
Description
| Model | Diameter | Open Circuit Sensitivity (mV/Pa) | Polarization Voltage (V) | Frequency Range (Hz) | Frequency Response Characteristic | Dynamic Range (dB) | Capacitance (pF) |
Ambient Temperature Coefficient (dB/°C) |
Dimensions |
| SR4403 | Φ12.7mm (1/2") | 15 | 200 | 20~40,000 | Free filed | 30~160 | 18 | 0.01 | Type WS1 |
| SR4404 | 15 | 20~12,000 | Pressure filed | 30~160 | 18 | 0.01 | Type WS1 | ||
| SR4422 | 30 | 0 | 20~10,000 | Pressure filed | 20~142 | 15 | 0.02 | Type WS2 | |
| SR4423 | 50 | 10~20,000 | Free filed | 16~140 | 19 | 0.01 | Type WS2 | ||
| SR4425 | 40 | 10~16,000 | Free filed | 17~140 | 20 | 0.01 | Type WS2 | ||
| SR4431 | Φ6.35mm (1/4") | 4 | 10~70,000 | Free filed | 40~160 | 6 | 0.01 | Type WS3 | |
| SR4435 | 4 | 10~20,000 | Free filed | 40~160 | 6 | 0.01 | Type WS3 |
| Models | SR4601 | SR4603 | SR4604 | SR4614E | SR4600E |
| Photos | |||||
|
Frequency Response (re. 250 Hz) |
10Hz~20kHz, +0.2dB 5Hz~200kHz, +0.5dB |
10Hz~50kHz, +0.2dB 5Hz~50kHz, +0.5dB |
20Hz~20kHz, +0.2dB 10Hz~100kHz, +0.5dB |
20Hz~20kHz, +0.2dB 10Hz~100kHz, +0.5dB |
10Hz~20kHz, +0.2dB 5Hz~200kHz, +0.5dB |
|
Measurement Range (dB) (re. 50mV/Pa) |
15~140 | 15~120 | 15~134 | 15~134 | 15~140 |
| Gain | -0.2dB | 20dB | -0.15dB | -0.25dB | -0.2dB |
| Input Impedance | ≥10GΩ//0.5pF | ≥10GΩ//0.35pF | ≥10GΩ//0.35pF | ≥10GΩ//0.35pF | ≥10GΩ//0.5pF |
| Noise |
A-weighting (20pF) <2.5u Z-weighting (20pF) <10uV |
A-weighting (20pF) <4uV Z-weighting (20pF) <10uV |
A-weighting (20pF) <4uV Z-weighting (20pF) <15uV |
A-weighting (6.5pF) <8.5uV Z-weighting (6.5pF) <35uV |
A-weighting (20pF) <4uV Z-weighting (20pF) <10uV |
| Distortion (THD) | <-60dB | ||||
| Output Impedance | <150Ω | <50Ω | <50Ω | <50Ω | <150Ω |
| Max. Output Voltage | 20Vp-p (at power voltage 30V) | 8VRMS (at power voltage 30V) | 6VRMS (at power voltage 24V) | 6VRMS (at power voltage 24V) | 20Vp-p (at power voltage 30V) |
| Power Voltage | 15~45V | 9~30V | 1CP 2mA~10mA | 1CP 2mA~10mA | 15~45V |
| Operating Current | 1mA | 2mA | 1CP 2mA~10mA | 1CP 2mA~10mA | 1mA |
| Polarization Voltage (V) | 200, 28, 0 | 0 | |||
| Outside Diameter | Φ12.7mm (1/2") | Φ6.35mm (1/4") | Φ12.7mm (1/2") | ||
| Weight | <20g (not include cabel) | ||||