Line Input Transformer with -3dB Wide Bandwidth

Model: JT-11P-1HPC

Ideal for balancing any high-impedance unbalanced input
Wide bandwidth -3dB at 0.25Hz and 80kHz
Recommended for levels up to +19dBu at 20Hz
High input impedance of 14kohm with 10kohm load
High common-mode rejection of 124dB at 60Hz

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Line input transformers provide the maximum possible Common Mode Rejection of unwanted signals. All models have a single Faraday shield and a 30dB magnetic shield can. Models are available in 1:1, 1:1.4, 1:2, 2:1 and 4:1 ratios. Several models are also available as octal plug-in versions. This transformer is designed for use in wideband line input stages. Distortion remains very low and CMRR remains high, even when driven by high source impedances. The primary is fully balanced and its leads may be reversed to invert polarity, if required. A 30dB magnetic shield package is standard.

Ideal for balancing any high-impedance unbalanced input
Wide bandwidth -3dB at 0.25Hz and 80kHz
Recommended for levels up to +19dBu at 20Hz
High input impedance of 14kohm with 10kohm load
High common-mode rejection of 124dB at 60Hz

Audio Transformer Type - Input Transformer
Audio Transformer Type - Line Transformer
Spec Sheet available - Yes

Operating Temperature (Maximum): 158 F
Operating Temperature (Minimum): 32 F
Maximum Bandwidth: 80 kHz (-3dB)
Impedance Ratio: 10k:10k
Input Impedance: 14.1 kohm (1kHz, +4dBu, test circuit 1)
Voltage Gain: -3.0 dB (1kHz, +4dBu, test circuit 1)
Magnitude response, ref 1 kHz: -0.03 (20Hz, +4dBu, test circuit 1, Rs=600ohm) and -0.20 (20kHz, +4dBu, test circuit 1, Rs=600ohm) dB
Deviation from linear phase (DLP): +1.4/0 degree (20Hz to 20kHz, +4dBu, test circuit 1, Rs=600ohm)
Distortion (THD): <0.001 (1kHz, +4dBu, test circuit 1, Rs=600ohm) and 0.04 (20Hz, +4dBu, test circuit 1, Rs=600ohm) %
Maximum 20Hz input level: +19 dBu (1% THD, test circuit 1, Rs=600ohm)
Common-mode rejection ratio (CMRR) 50ohm balanced source: 124 (60Hz, test circuit 2) and 95 (3kHz, test circuit 2) dB
Common-mode rejection ratio (CMRR) 600ohm unbalanced source: 95 (60Hz, test circuit 3) and 85 (3kHz, test circuit 3) dB
Output Impedance: 3.2 kohm (1kHz, test circuit 1, Rs=600ohm)
Primary DC resistances: 1.45 kohm (1 to 4)
Secondary DC resistances: 1.55 kohm (5 to 8)
Capacitance at 1kHz: 105 (primary to shield and case) and 115 (secondary to shield and case) pF
Turns Ratio: 1.000:1
Breakdown Voltage: 250 Vrms (primary or secondary to shield and case, 60Hz, 1 minute test duration)

Transformer 191 kb - Data Sheet

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