Products

icp® short preamplifier 1/4-inch to be used with prepolarized condenser microphone, 10-32 connector.

Microphone Preamplifier

Model 426A07

Retrieving Price...

(Pricing valid only in the U.S.)

Units in Stock	Lead Times
More on the way	Call for Lead Time

ICP® short preamplifier 1/4-inch to be used with prepolarized condenser microphone, 10-32 Connector.

Nominal Microphone Diameter: 1/4"
Gain: -0.25 dB
Temperature Range: -40 to 158 °F (-40 to 70 °C)
Output Voltage: ±8 V
Size - Length: 1.2 in (29.5 mm)

Specification Notes

[1] Typical.
[2] Measured with an 18 pF reference microphone.
[3] TEDS Capable Digital Memory and Communication, compliant with IEEE P1451.4, uses DS2431.
[4] Measured with a 6 pF reference microphone.
[1] Typical.
[5] See PCB Declaration of Conformance PS076 for details.

	English:	SI:
Performance
Nominal Microphone Diameter	1/4"	1/4"
Gain	-0.19 dB	-0.19 dB	[1] [2]
Gain	-0.25 dB	-0.25 dB	[1] [4]
Frequency Response (±0.2 dB) (re 1 kHz)	2.5 to 126000 Hz	2.5 to 126000 Hz
Frequency Response (-3 dB) (re 1 kHz)	<0.7 Hz	<0.7 Hz
Phase Linearity (<1 °)	63 to 20000 Hz	63 to 20000 Hz
Electrical Noise (A-weight)	<2.5 µV	<2.5 µV	[2]
Electrical Noise (A-weight)	1.8 µV	1.8 µV	[1] [2]
Electrical Noise (Flat 20 Hz to 20 kHz)	<5.6 µV	<5.6 µV	[2]
Electrical Noise (Flat 20 Hz to 20 kHz)	3.5 µV	3.5 µV	[1] [2]
Electrical Noise (A-weight)	3.3 µV	3.3 µV	[1] [4]
Electrical Noise (Flat 20 Hz to 20 kHz)	5.9 µV	5.9 µV	[1] [4]
Distortion (3 V rms input at 1 kHz)	<-70 dB	<-70 dB
Output Slew Rate	2 V/µS	2 V/µS	[1]
TEDS Compliant	Yes	Yes	[3]
Environmental
Temperature Range (Operating)	-40 to 158 °F	-40 to 70 °C
Temperature Range (Storage)	-40 to 185 °F	-40 to 85 °C
Temperature Response	<0.03 dB	<0.03 dB
Humidity Range (Non-Condensing)	0 to 95 %RH	0 to 95 %RH
Humidity Sensitivity	<0.03 dB	<0.03 dB
Electrical
Excitation Voltage	20 to 32 VDC	20 to 32 VDC
Constant Current Excitation	2 to 20 mA	2 to 20 mA
Impedance (Input)	20000000000 Ohm	20000000000 Ohm	[1]
Capacitance (Input)	0.15 pF	0.15 pF	[1]
Output Bias Voltage	10 to 14 VDC	10 to 14 VDC
Impedance (Output)	<50 Ohm	<50 Ohm
Output Voltage	±8 V	±8 V	[1]
Physical
Housing Material	Stainless Steel	Stainless Steel
Size - Diameter	0.25 in	6.4 mm
Size - Length	1.2 in	29.5 mm
Weight	0.13 oz	3.6 gm
Electrical Connector	10-32 Coaxial Jack	10-32 Coaxial Jack
Mounting Thread (Microphone to Preamplifier)	0.2244 - 60 UNS	5.7 mm - 60 UNS