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Model: HT426E01

$495.00 USD
(Pricing valid in US only)

Datasheet

High temperature 1/2-inch preamplifier

  • Nominal Microphone Diameter: 1/2"
  • Temperature Range: -40 to +257 °F (-40 to +125 °C)
  • Output Voltage: ±7 Vpk
  • Size - Length: 3.5 in (89 mm)

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 English:SI: 
Performance
Nominal Microphone Diameter1/2"1/2" 
Gain (re 1 kHz)-0.06 dB-0.06 dB[1][3] 
Frequency Response (±0.1 dB) (re 1 kHz)6.3 to 126000 Hz6.3 to 126000 Hz[3][4] 
Frequency Response (-3 dB) (re 1 kHz)<1.58 Hz<1.58 Hz[3][4] 
Frequency Response (±0.1 dB) (re 1 kHz)10 to 126000 Hz10 to 126000 Hz[3][5] 
Phase Linearity (±1 °)63 to 40000 Hz63 to 40000 Hz[3] 
Phase Linearity (<+10 °)10 to 63 Hz10 to 63 Hz[3] 
Electrical Noise(at 22 °C) (A-weight)≤4.9 µV≤4.9 µV[3] 
Electrical Noise(at 22 °C) (A-weight)3.1 µV3.1 µV[1][3] 
Electrical Noise(at 22 °C) (Flat 20 Hz to 20 kHz)≤13.4 µV≤13.4 µV[3] 
Electrical Noise(at 22 °C) (Flat 20 Hz to 20 kHz)9.3 µV9.3 µV[1][3] 
Electrical Noise(at 120 °C) (A-weight)≤9.6 ≤9.6 [3] 
Electrical Noise(at 120 °C) (A-weight)6.4 6.4 [1][3] 
Electrical Noise(at 120 °C) (Flat 20 Hz to 20 kHz)≤37.1 ≤37.1 [3] 
Electrical Noise(at 120 °C) (Flat 20 Hz to 20 kHz)24.7 24.7 [1][3] 
Distortion (3 V rms input at 1 kHz)<-70 dB<-70 dB[3] 
Output Slew Rate2 V/µS2 V/µS[1] 
TEDS CompliantYesYes[2] 
Environmental
Temperature Range (Operating)-40 to +257 °F-40 to +125 °C[7] 
Temperature Response±0.1 dB±0.1 dB[6] 
Humidity Range (Non-Condensing)0 to 95 %RH0 to 95 %RH 
Humidity Sensitivity±0.1 dB±0.1 dB[6] 
Electrical
Excitation Voltage20 to 32 VDC20 to 32 VDC 
Constant Current Excitation2 to 10 mA2 to 10 mA 
Impedance (Input)9.4 GOhm9.4 GOhm[1] 
Capacitance (Input)0.06 pF0.06 pF[1] 
Output Bias Voltage10 to 14 VDC10 to 14 VDC 
Impedance (Output)<55 Ohm<55 Ohm 
Output Voltage (Maximum)±7 Vpk±7 Vpk 
Physical
Housing MaterialStainless SteelStainless Steel 
Size - Diameter0.5 in13 mm 
Size - Length3.5 in89 mm 
Weight1.45 oz41 g[1] 
Electrical ConnectorBNC JackBNC Jack 
Mounting Thread (Microphone to Preamplifier)0.4606 - 60 UNS11.7 mm - 60 UNS 

All specifications are at room temperature unless otherwise specified.


CE

Product Notes
[1] Typical.
[2] TEDS Capable Digital Memory and Communication, compliant with IEEE P1451.4
[3] Measured with a 12 pF reference microphone.
[4] At 22 °C
[5] At 120 °C
[6] Maximum.
[7] Limited to 120°C if ICP current > 4 mA
[8] See PCB Declaration of Conformance PS065 for details.
Accessories:
Supplied
ERC-16Calibration of microphone preamplifier(1)
Optional Versions:
No optional versions
Product Documents
Additional Downloads
Microphone - Safe Handling and Maintenance

Prepolarized vs. externally polarized microphones

Comparison of 1/2" vs 1/4" condenser microphones