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Jensen Transformers JT-10KB-DPC Line Audio Input Transformer

Ultra-High Performance 4:1 Step-down for "Balanced Bridging" Inputs / Pro to Consumer Level Conversion

Made in the USA
Jensen Transformers JT-10KB-DPC 1:4 line audio step-down transformer

Jensen Transformers JT-10KB-DPC Ulta-High Performance 4:1 Line Audio Step-Ddown Transformer

The  Jensen Transformers JT-10KB-DPC Faraday-shielded input transformer offers unmatched immunity to hum, buzz and RF interference in line-level signals.  Ultra-low DLP (deviation from linear phase) and time-domain distortion are the result of Bessel-tailored high-frequency and extended low-frequency responses.

Whereas transformerless inputs suffer “breakthrough” noise in electrically-hostile environments, inputs using these transformers are unaffected. Ultra-sonic “hard digital edge” artifacts are removed from signals by the controlled high-frequency response of the transformers, resulting in a unmatched sonic clarity.  The JT-10KB-DPC is enclosed in a MuMETAL® magnetic shielding can to further reduce hum caused by nearby magnetic fields.

Delivers extremely high dynamic range, up to 140 dB, in real-world system environments, making it ideal for passive "Pro to Consumer" level conversion.  The JT-10KB-DPC has a 40 kΩ input impedance, handles input levels up to +21 dBu at 20 Hz, and a CMMR (Common Mode Rejection Ratio) of 120 dB at 60Hz.

With inferior products coming from all over the world, we think it is a genuine treasure to find a company like Jensen Transformers, actually designing and manufacturing some of the finest products in the world, right here in the USA, and we are proud to be able to offer their products. The JT-10KB-DPC is made in the USA, is backed by the manufacturer's comprehensive one-year warranty, and has a remarkable 20-year warranty on the transformer device itself.

Jensen Transformers' Description

Jensen Transformers JT-10KB-DPC

Line Input Transformer


  • Ideal passive 'Pro to Consumer' level converter
  • Wide bandwidth: -3 dB at 0.5 Hz and 180 kHz
  • Recommended for levels up to +21 dBu at 20 Hz
  • High input impedance: 40 kΩ
  • High common-mode rejection: 120 dB at 60 Hz

This transformer is designed for use in wideband line input stages. The secondary source impedance of only 225 Ω is an excellent match to ultra-low noise amplifiers. The primary is fully balanced and its leads may be reversed to invert polarity, if required. A 30 dB magnetic shield package is standard.

Jensen Transformers JT-10KB-DPC front-right view

JT-10KB-DPC - 1.25" x 1.25" x 0.93 seated height

Jensen Transformers JT-10KB-DPC PCB pins

Here is a look at the pins.

Jensen Transformers JT-10KB-DPC, included items

Shown here are the included items

Jensen Transformers JT-10KB-DPC Data Sheet - click to download PDF

Here is the JT-10KB-DPC spec sheet.  PDF format.

Purchase Information
Product Description SKU MSRP Your Price Quantity
Jensen Transformers Line Input Transformer, 4:1 for "Balanced Bridging" Inputs, PC Board Mount JT-10KB-DPC $131.99 $109.99
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