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Microphone Input Transformer with 0.038% Distortion Ratio
Model: JT-MB-CPCA
- Ideal retrofit to solve problems with transformerless preamps
- Dual Faraday shields provides very high CMRR 122dB at 60Hz
- Eliminates complex circuitry required to block phantom power
- Excellent frequency response and time domain performance
Product Info
Tech Specs
Documents
JT-MB-CA transformer is designed to couple a nominal 150ohms mic to the 3kohms input impedance typical of transformerless preamps. Both windings are fully balanced and either may be reversed to invert polarity. A 30dB magnetic shield package is standard.
- Ideal retrofit to solve problems with transformerless preamps
- Dual Faraday shields provides very high CMRR 122dB at 60Hz
- Eliminates complex circuitry required to block phantom power
- Excellent frequency response and time domain performance
- Audio Transformer Type - Input Transformer
- Spec Sheet available - Yes
- Operating Temperature (Maximum): 158 F
- Operating Temperature (Minimum): 32 F
- Maximum Bandwidth: 170 kHz (-3dB)
- Impedance Ratio: 150:150
- Input Impedance: 2.9 kohms (1kHz, -20dBu, test circuit 1)
- Voltage Gain: -0.26 dB (1kHz, -20dBu, test circuit 1)
- Deviation from linear phase (DLP): +1.8 ° (20Hz to 20kHz, -20dBu, test circuit 1)
- Distortion (THD): 0.038 % (20Hz, -20dBu, test circuit 1)
- Maximum 20Hz input level: +1.5 dBu (1% THD, test circuit 1)
- Common-mode Rejection Ratio (CMRR) 150ohms Balanced Source: 122 dB (60Hz, test circuit 2)
- Common-mode Rejection Ratio (CMRR) 150ohms Unbalanced Source: 111 dB (60Hz, test circuit 3)
- Output Impedance: 223 ohms (1kHz, test circuit 1)
- Primary DC resistances: 46.4 ohms
- Secondary DC resistances: 46.2 ohms
- Capacitances at 1kHz: 62 pF (secondary to shield (BLK) and case (WHI))
- Turns Ratio: 1:1.000
Microphone Input Transformer
200 kb
- Data Sheet
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Contact Lowrance Sound Company, Inc.
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Lowrance Sound Company, Inc.
2132 Nailing Drive
Union City, TN 38261
USA
(901) 885-4504
www.lowrancesoundcompany.com
Contact in regards to this product:
Jensen Transformers, Inc.
Model: JT-MB-CPCA
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