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Microphone Bridging Transformer, Quad Faraday Shields for High Isolation
Model: JT-MB-E
- Provides 3 additional, isolated balanced outputs as mic splitter
- Stops ground loop problems when a mic feeds multiple preamps
- High common-mode rejection 120dB at 60Hz
- Excellent frequency response and time domain performance
- Low insertion loss 2.2dB typical
Product Info
Tech Specs
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Microphone bridging transformer is designed to be driven from a 150ohms microphone source and for each secondary to be loaded by the 1kohms input impedance typical of microphone preamps. The use of individual Faraday shields on each winding produces excellent RF attenuation. A 30dB magnetic shield package is standard.
- Provides 3 additional, isolated balanced outputs as mic splitter
- Stops ground loop problems when a mic feeds multiple preamps
- High common-mode rejection 120dB at 60Hz
- Excellent frequency response and time domain performance
- Low insertion loss 2.2dB typical
- Audio Transformer Type - Isolation Transformer
- Spec Sheet available - Yes
- Input Impedance: 423 ohms (1kHz, -20dBu, test circuit 1)
- Voltage Gain: -2.2 dB (1kHz, -20dBu, test circuit 1)
- Deviation from linear phase (DLP): +0.9/-0 ° (20Hz to 20kHz, -20dBu, test circuit 1)
- Distortion (THD): 0.022 % (20Hz, -20dBu, test circuit 1)
- Maximum 20Hz input level: -11 dBu (1% THD, test circuit 1)
- Common-mode Rejection Ratio (CMRR) 150ohms Balanced Source: 120 dB (60Hz, test circuit 2)
- Output Impedance: 285 ohms (1kHz, test circuit 1)
- Primary DC resistances: 71 ohms
- Secondary DC resistances: 320/400/380 ohms (1 (ORG/YEL)/2 (GRN/BLU)/3 (VIO/GRY))
- Capacitances at 1kHz: 320/400/380 pF (secondary 1/2/3 to respective shield and case)
- Turns Ratio: 1:10.0
- Breakdown Voltage: 250 Vrms (primary or secondary to shield and case, 60Hz, 1 minute test duration)
- Operating Temperature (Maximum): 158 F
- Operating Temperature (Minimum): 32 F
Microphone Bridging Transformer
190 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-E
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