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Model: 426A11
Microphone Preamplifier
1/2-inch ICP® preamplifier with gain and filter switches (for prepolarized microphones)
Price: 見積品

ケーブル別売
■ Specifications
Performance
Nominal Microphone Diameter 1/2"
Gain (re 1 kHz) -0.16 dB [1] [3]
Filter Type (3-pole Butterworth) High Pass [5]
Electrical Filter Corner Frequency 20 Hz [1]
Filter Type A-weight [4] [5]
Frequency Response (±0.2 dB) 5 to 125000 Hz [6] [8]
Frequency Response (±1.6 dB) (A-weight Filter Engaged) 12.6 to 20000 Hz [6] [8]
Frequency Response (±1.0 dB) (A-weight Filter Engaged) 20 to 10000 Hz [1] [8]
Frequency Response (±0.3 dB) (+20 dB Gain) 4 to 25000 Hz [8]
Phase Linearity (-3 to +10 °) 5 to 20 Hz [3] [9]
Phase Linearity (±3 °) 20 to 20000 Hz [3] [9]
Electrical Noise (A Weight, 0 dB Gain) <7.5 µV [3] [7]
Electrical Noise (A Weight, 0 dB Gain) 5 µV [1] [3] [7]
Electrical Noise (0 dB Gain) <5.7 µV [3] [7]
Electrical Noise (0 dB Gain) 4.2 µV [1] [3] [7]
Electrical Noise (+20 dB Gain) <60 µV [3] [7]
Electrical Noise (+20 dB Gain) 40 µV [1] [3] [7]
Electrical Noise (High Pass Filter, 0 dB Gain) <5.6 µV [3] [7]
Electrical Noise (High Pass Filter, 0 dB Gain) 3.7 µV [1] [3] [7]
Distortion (5 V pk output at 1 kHz) <-60 dB [3]
Output Slew Rate 2 V/µS [1]
TEDS Compliant Yes [2]
Environmental
Temperature Range (Operating) -20 to +70 °C
Temperature Response <0.05 dB
Humidity Range (Non-Condensing) 0 to 95 %RH
Humidity Sensitivity <0.05 dB
Electrical
Excitation Voltage 22 to 34 VDC
Constant Current Excitation 4 to 20 mA
Impedance (Input) 10 GOhm [1]
Capacitance (Input) 0.28 pF [1]
Output Bias Voltage 15 VDC [1]
Maximum Input Voltage (0 dB gain) 5 Vpk [5]
Maximum Input Voltage (+20 dB gain) 0.5 Vpk [5]
Impedance (at 1 kHz ) (Output) <50 Ohm
Output Voltage (Maximum) 5 Vpk
Physical
Housing Material Stainless Steel
Size - Diameter 12.7 mm
Size - Length 108.0 mm
Weight 43.7 gm
Electrical Connector BNC Jack
Mounting Thread (Microphone to Preamplifier) 11.7 mm - 60 UNS
All specifications are at room temperature unless otherwise specified.
Product Notes
[1] Typical.
[2] TEDS Capable Digital Memory and Communication, compliant with IEEE P1451.4
[3] Measured with an 18 pF reference microphone.
[4] Per IEC 61672-1:2002 "Sound Level Meters" Class 1
[5] Overload detection is in front of filters. Positive pulses at output indicate overload.
[6] Error from ideal A weight re 1 kHz.
[7] 20 Hz to 20 kHz
[8] re 1 kHz
[9] Without Filter or +20 dB gain engaged.
[10] See PCB Declaration of Conformance PS074 for details.
Accessories:
標準付属アクセサリ
ERC-16 校正データ
選択アクセサリ
ERC-QC 校正証明書
Optional Versions:
No optional versions

■ Documents & Downloads
Product Documents
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