Line Input Transformer with 3dB Wide Bandwidth

Model: JT-11P-1BN

Ideal for balancing any high-impedance unbalanced input
Wide bandwidth 3dB at 0.25Hz and 80kHz
Recommended for levels up to +19dBu at 20Hz
Additional can provides 60dB typical magnetic shielding
High common-mode rejection of 107dB 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 JT-11P-1 in a second mu-metal can and octal plug for several Altec equipment models. A built-in RC damping network optimizes time domain performance for general use with load impedances of 15kohm or more. This part is recommended for plug-in applications in new designs.

Ideal for balancing any high-impedance unbalanced input
Wide bandwidth 3dB at 0.25Hz and 80kHz
Recommended for levels up to +19dBu at 20Hz
Additional can provides 60dB typical magnetic shielding
High common-mode rejection of 107dB at 60Hz

Audio Transformer Type - Input Transformer
Audio Transformer Type - Line Transformer
Enviro-Packaging Policy - Yes
Unbalanced to Balanced - Yes
Balanced to Unbalanced - Yes
Energy Star rated - Yes
EPEAT Evaluation - Yes
Spec Sheet available - Yes

Operating Temperature (Maximum): 158 F
Operating Temperature (Minimum): 32 F
Balanced to Unbalanced: Yes
Energy Star rated: Yes
Enviro-Packaging Policy: Yes
EPEAT Evaluation: Yes
ISO 14001 Certification: No
Manufacturing Powered by Alternative Energy: No
ROHS Compliant: No
Take-Back Recycling Program: No
Unbalanced to Balanced: Yes
Maximum Bandwidth: 75 kHz (-3dB)
Impedance Ratio: 10k:10k
Input Impedance: 46.5 kohm (1kHz, +4dBu, test circuit 1)
Voltage Gain: -0.5 dB (1kHz, +4dBu, test circuit 1)
Magnitude response, ref 1 kHz: -0.04 (20Hz, +4dBu, test circuit 1, Rs=600ohm) and -0.32 (20kHz, +4dBu, test circuit 1, Rs=600ohm) dB
Deviation from linear phase (DLP): +0.5/-0.2 degree (20Hz to 20kHz, +4dBu, test circuit 1, Rs=600ohm)
Distortion (THD): <0.001 (1kHz, +4dBu, test circuit 1, Rs=600ohm) and 0.028 (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: 107 (60Hz, test circuit 2) and 73 (3kHz, test circuit 2) dB
Common-mode rejection ratio (CMRR) 600ohm unbalanced source: 100 (60Hz, test circuit 3) and 68 (3kHz, test circuit 3) dB
Output Impedance: 2.86 kohm (1kHz, test circuit 1, Rs=50ohm)
Primary DC resistances: 1.45 kohm (RED to BRN)
Secondary DC resistances: 1.55 kohm (YEL to ORG)
Capacitance at 1kHz: 98 (primary to shield and case) and 110 (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 189 kb - Data Sheet

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