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Jensen Transformers
 

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    • Jensen CI-2RR IsoMax Stereo Audio Isolator

      Jensen CI-2RR IsoMax Stereo Audio Isolator

      Dual Channel gold plated IHF/RCA line inputs & outputs for home theater, computer sound boards or automotive audio systems. Its ruler flat frequency response preserves "Audiophile Quality" signals.

       

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      Item #: JEN-CI2RR

      Availability: In Stock

      Our Price: $199.99

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    • Jensen VRD-1FF IsoMax Digital RF Isolator

      Jensen VRD-1FF IsoMax Digital RF Isolator

      For Analog and Digital Cable TV and Cable Modems Solves "Ground Loop" and "Hum Bar" Problems (Supercedes the VR-1FF).2MHz to 1300MHz CATV Isolator - F/F (Digital Cable compatible).

      Not For Use with Satellite Cabling

       

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      Item #: JEN-VRD1FF

      Availability: In Stock

      Our Price: $69.99

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    • Jensen CI-2MINI Iso-Max PC Audio Ground Isolator

      Jensen CI-2MINI Iso-Max PC Audio Ground Isolator

      When used in unbalanced audio consumer interfaces, this isolator not only eliminates hum and buzz but also enhances audio quality by reducing "spectral contamination" due to ultrasonic and RF interference. To avoid excessive high frequency losses, no more than 3 feet of cable should be used on its outputs.

      • Eliminates the inherent ground noise coupling mechanism
      • Common-mode ground noise rejection of 95 dB at 60 Hz
      • Wide bandwidth: !3 dB at 0.25 Hz and 50 kHz
      • Handles signals up to 7 volts at 20 Hz or 1

       

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      Item #: JEN-CI2MINI

      Availability: In Stock

      Our Price: $199.99

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    • Jensen VB-1BB IsoMax Composite Video Isolator

      Jensen VB-1BB IsoMax Composite Video Isolator

      Single Channel Baseband Video Isolator Transformer eliminates video as well as audio hum.

      • -3dB at 10-10MHz Bandwidth
      • CMRR 120dB at 60Hz
      • 0.55dB Insertion Loss
      • 75 Ohm BNC connectors
      • 3.5"L x 1.75"W x 2.1"H

       

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      Item #: JEN-VB1BB

      Availability: In Stock

      Our Price: $99.99

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    • Jensen DIN-2LI Dual 10k to 10k 1:1 Line Input Module

      Jensen DIN-2LI Dual 10k to 10k 1:1 Line Input Module

      The Iso-Max DIN-2LI is a two channel line input isolator designed to eliminate noise in professional balanced audio systems by isolating the input of the connected device.

      The design begins with a gray molded assembly made from UL94-VO flame retardant Noryl that snaps into place onto a standard 35 mm DIN rail for easy installation in a NEMA enclosure. Connections to and from the module are made via removable screw-down wire terminals. Plug and play easy to use, this passive interface does not re




         

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        Item #: DIN-2LI

        Availability: Direct Ship From Manufacturer

        Our Price: $219.99

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      • Jensen VBH-5BB Component Video & VGA Hum Eliminator Ground Loop Isolator

        Jensen VBH-5BB Component Video & VGA Hum Eliminator Ground Loop Isolator

        The ISO-MAX VBH-5BB reduces ground current induced video interference such as "hum bars" by a factor of over 100, eliminating the visible effects of these types of interference. The high bandwidth and low VSWR prevent degradation of the picture quality due to high frequency roll-off and cable reflections.

        When used with a D15HDM-5BF-3 VGA breakout cable, this is a great solution to eliminate hum from any VGA system.

        • Provides 56dB Reduction in Ground Loops
        • DC to 600MHz (VBH-3RR) or 900MHz Bandwidth

           

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          Item #: JEN-VBH5BB

          Availability: Direct Ship From Manufacturer

          Our Price: $949.00

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        • Jensen JT-11P-1 Line Input Transformer

          Jensen JT-11P-1 Line Input Transformer

          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 30 dB magnetic shield package is standard.

          • Ideal for balancing any high-impedance unbalanced input
          • Wide bandwidth: !3 dB at 0.25 Hz and 95 kHz
          • Recommended for levels up to +20 dBu at 20 Hz
          • High input impedance: 13 k Ohm with 10 k Ohm load
          • High com

           

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          Item #: JEN-JT11P1

          Availability: In Stock

          Our Price: $62.95

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        • Jensen JT-10KB-D Line Input Transformer 4:1 Stepdown For BalancedBridging Inputs

          Jensen JT-10KB-D Line Input Transformer 4:1 Stepdown For BalancedBridging Inputs

          This transformer is designed for use in wideband line input stages. The secondary source impedance of only 225 ohms 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.

          • 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 k ohms
          • High common-mode rejection:

           

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          Item #: JT-10KB-D

          Availability: In Stock

          Our Price: $64.95

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        • Jensen PI-2XX Stereo Audio Isolator Interface 2 Channel XLR

          Jensen PI-2XX Stereo Audio Isolator Interface 2 Channel XLR

          The Model PI-2XX is designed to provide over 90dB of common mode isolation at 60Hz and to help eliminate R.F. interference from radio and television stations. Transformer isolation allows maximum interconnection flexibility, since both sources and loads may be either balanced or unbalanced.

          PI-1XX is a single channel Isolator.

           

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          Item #: JEN-P12XX

          Availability: Direct Ship From Manufacturer

          Our Price: $269.99

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        • Jensen DIN-PB Two Channel Universal Line Isolator

          Jensen DIN-PB Two Channel Universal Line Isolator

          The Iso-Max DIN-PB is a universal isolator that gives you the freedom to solve noise problems anywhere in the signal chain.

          The design begins with a gray molded assembly made from UL94-VO flame retardant Noryl that snaps into place onto a standard 35 mm DIN rail for easy installation in a NEMA enclosure. Connections to and from the module are made via removable screw-down wire terminals. Plug and play easy to use, this passive interface does not require any power to work. Inside is a specially de



             

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            Item #: DIN-PB

            Availability: Direct Ship From Manufacturer

            Our Price: $179.99

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          • Jensen JT-6110K-B Line Input Transformer 4:1 Stepdown

            Jensen JT-6110K-B Line Input Transformer 4:1 Stepdown

            4:1 Stepdown for "Balanced Bridging" Inputs

            This transformer is designed for use in wide band line input stages. The secondary source impedance of only 87 Ohm 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.

            • Our highest level handling input transformer
            • Wide bandwidth: -3 dB at 0.15 Hz and 120 kHz
            • Recommended for levels up to +26 dBu at 20 Hz
            • High input impedanc

             

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            Item #: JT-6110K-B

            Availability: In Stock

            Our Price: $89.99

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          • Jensen DM2-2XX Iso-Max Stereo Line Output Isolator 1 to 1 Ratio XLR IN/Out

            Jensen DM2-2XX Iso-Max Stereo Line Output Isolator 1 to 1 Ratio XLR IN/Out

            • Ruler flat frequency response preserves "Audiophile Quality" signals
            • High-Grade Nickel-Iron-Molybdenum alloy cores for extremely low distortion
            • High quality gold plated connectors for long term reliability
            • Available with a choice of XLR, RCA, 1/4" Phone Jack or BNC connectors
            • Unpluggable screw terminal strip for easy "Home" to "Road" changeovers
            • Convenient 7.0" W x 3.5" D x 1.6" H allow rack tray or rail mounting
            • Gold Contact DIP Switches allow for flexibility in grounding configuration

             

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            Item #: JEN-DM22XX

            Availability: Direct Ship From Manufacturer

            Our Price: $269.99

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          • Jensen VB-1RR Composite Video Isolator 1ch

            Jensen VB-1RR Composite Video Isolator 1ch

            • Similar in function to the JEN-VB1BB but utilizing RCA connectors this Single Channel Baseband Video Isolator Transformer eliminates video as well as audio hum.
            • -3dB @ 10-10MHz Bandwidth
            • CMRR 120dB @ 60Hz
            • 0.55dB Insertion Loss
            • 75. RCA connectors
            • 3.5"L x 1.75"W x 2.1"H

             

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            Item #: JEN-VB1RR

            Availability: In Stock

            Our Price: $99.99

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          • Jensen PB-2XX Stereo Audio Input/Output Isolator

            Jensen PB-2XX Stereo Audio Input/Output Isolator

            The Model PB-2XX is designed to provide over 100dB of common mode isolation at 60Hz and to help eliminate R.F. interference from radio and television stations.Transformer isolation allows maximum interconnection flexibility, since both sources and loads may be either balanced or unbalanced. Low impedance windings make this unit suitable for patch bays and as a general purpose "fix-it" box and allow it to be placed near either the output driving source or the destination input.

            • Ruler flat frequenc






             

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            Item #: JEN-PB2XX

            Availability: In Stock

            Our Price: $349.99

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          • JENSEN JT-DB-E Direct Box Transformer

            JENSEN JT-DB-E Direct Box Transformer

            When loaded by the 1 kS input impedance typical of mic preamplifiers, this transformer has a 140 kS input impedance, making it ideal for high impedance sources. It can be used with or without an active buffer as a "direct box" for electric guitars or synthesizers. A 30 dB magnetic shield package is standard.

            • Converts unbalanced line levels to balanced mic level output
            • Stops "hum and buzz" problems in musical instrument hook-ups
            • Allows use of long cables without high frequency loss
            • High common-mode r

             

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            Item #: JT-DB-E

            Availability: In Stock

            Our Price: $69.00

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          • Jensen JT-11-ELCF Line Output Transformer

            Jensen JT-11-ELCF Line Output Transformer

            This transformer is designed for high performance line output stages. The 50 percent nickel core alloy trades increased level handling and lower cost for slightly increased distortion compared to its 80 percent nickel counterpart, the JT-11-EM.Driving signals should be free of DC and source impedance as low as possible.

            • Distortion 0.028 percent typ at 20 Hz and +4 dBu output level
            • Wide bandwidth: -3 dB at 0.18 Hz and 15 MHz
            • Drives 600 Ohm loads to levels up to +24 dBu at 20 Hz
            • Excellent

             

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            Item #: JEN-JT11ELCF

            Availability: In Stock

            Our Price: $47.95

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          • Jensen VBH-1RR Composite Video Humbucker - DC to 600MHz - RCA/RCA

            Jensen VBH-1RR Composite Video Humbucker - DC to 600MHz - RCA/RCA

            The ISO-MAX® VBH-1RR reduces ground current induced video interference such as "hum bars" by a factor of over 100, eliminating the visible effects of these types of interference. The high bandwidth and low VSWR prevent degradation of the picture quality due to high frequency roll-off and cable reflections.

            • 56dB of CMRR typ at 60Hz minimizes ground loops
            • DC to 600MHz bandwidth for excellent picture quality
            • Greater than 1 Vrms 60Hz common-mode level handling
            • VSWR under 1.1 at 100MHz to prevent wavefor

             

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            Item #: JEN-VBH1RR

            Availability: Direct Ship From Manufacturer

            Our Price: $189.99

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          • Jensen DIN-LO-11DM 600 to 600 1:1 Line Output Module

            Jensen DIN-LO-11DM 600 to 600 1:1 Line Output Module

            This module is designed for very high performance line output stages. Specially processed 80% nickel core alloy is used for lowest possible harmonic distortion of high level low frequency signals. For best performance, driving signals should be free of DC and source impedance kept as low as possible.

            • Distortion 0.004% typ at 20 Hz and +4 dBu output level
            • Wide bandwidth: !3 dB at 0.10 Hz and 15 MHz
            • Drives 600 S loads to levels up to +22 dBu at 20 Hz
            • Excellent time domain performance: DLP 0.3E typ 20

             

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            Item #: DIN-LO-11DM

            Availability: Direct Ship From Manufacturer

            Our Price: $159.99

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          • Jensen SUB-1RR Low Frequency Audio Isolator (RCA)

            Jensen SUB-1RR Low Frequency Audio Isolator (RCA)

            The specially designed transformer in this unit provides unparalleled low frequency response while providing over 100dB of common mode isolation, to solve even the most difficult sub-woofer installation problems. The zero dB insertion loss also prevents carefully calibrated system levels from being disturbed.

            • Eliminates the inherent ground noise coupling mechanism
            • Common-mode ground noise rejection of 105 dB at 60 Hz
            • Extended low frequency response: -1dB at 0.4Hz, -3dB at 0.15Hz
            • Extremely low distor

             

            2 Channels Available

            Item #: JEN-SUB1RR

            Availability: In Stock

            Our Price: $129.99

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          • Jensen DIN-LO-11FL 600 to 600 1:1 Line Output Module

            Jensen DIN-LO-11FL 600 to 600 1:1 Line Output Module

            +21dBu Level Handling, 0.035% THD

            This module is designed for high performance line output stages. The 50% nickel alloy core gives it excellent distortion and level handling at a cost allowing many applications to enjoy the advantages of an output transformer. Driving signals should be free of DC and source impedance kept as low as possible.

            • Distortion 0.035% typ at 20 Hz and +4 dBu output level
            • Wide bandwidth: !3 dB at 0.2 Hz and 15 MHz
            • Drives 600 S loads to levels up to +21 dBu at 20 Hz
            • Excellent t

             

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            Item #: DIN-LO-11FL

            Availability: In Stock

            Our Price: $99.99

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          • Jensen CI-1RR IsoMax Mono Audio Isolator

            Jensen CI-1RR IsoMax Mono Audio Isolator

            Single Channel Audio Input Isolator

            Ideal for use with Sub-Woofers and Mono-Block Amplifiers
            where use of a stereo unit would be impractical

            • Ruler flat frequency response preserves "Audiophile Quality" signals
            • High-Grade Nickel-Iron-Molybdenum alloy cores for extremely low distortion
            • Faraday shielded windings for maximum R.F. interference rejection
            • High quality gold plated connectors for long term reliability

             

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            Item #: JEN-CI1RR

            Availability: Direct Ship From Manufacturer

            Our Price: $129.99

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          • Jensen DIN-2LO-11FL Din Rail 2 Channel Line Output Transformer

            Jensen DIN-2LO-11FL Din Rail 2 Channel Line Output Transformer

            1:1 BIFILAR WINDINGS

            This module is designed for high performance line output stages. The 50% nickel alloy core gives it excellent distortion and level handling at a cost allowing many applications to enjoy the advantages of an output transformer. Driving signals should be free of DC and source impedance kept as low as possible.

            • Distortion 0.035% typ at 20 Hz and +4 dBu output level
            • Wide bandwidth: !3 dB at 0.2 Hz and 15 MHz
            • Drives 600 S loads to levels up to +21 dBu at 20 Hz
            • Excellent time domain pe

             

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            Item #: DIN-2LO-11FL

            Availability: Direct Ship From Manufacturer

            Our Price: $149.99

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          • Jensen DIN-MS-2P Microphone Splitter Module

            Jensen DIN-MS-2P Microphone Splitter Module

            Single channel, two way microphone splitter,including circuitry required to implement phantom powering of microphones.

            This module is designed to be driven from a 150 Ohm microphone source and loaded by the typical 1 k Ohm input impedance of microphone pre-amplifiers. It can be used with balanced or unbalanced sources and/or loads since both primary and secondary are fully balanced. A 30 dB magnetic shield package is standard.

            • Provides additional, isolated balanced output as mic "splitter"
              Solves "


             

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            Item #: DIN-MS-2P

            Availability: Direct Ship From Manufacturer

            Our Price: $139.99

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          • Jensen VBH-1BB IsoMax Composite Video Isolator

            Jensen VBH-1BB IsoMax Composite Video Isolator

            Single Channel Baseband Video Isolator Transformer eliminates video as well as audio hum.

            • -3dB at 10-10MHz Bandwidth
            • CMRR 120dB at 60Hz
            • 0.55dB Insertion Loss
            • 75 Ohm BNC connectors
            • 3.5"L x 1.75"W x 2.1"H

             

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            Item #: JEN-VBH1-BB

            Availability: Direct Ship From Manufacturer

            Our Price: $189.99

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          • Jensen Transformers DIN-2MS-2P Dual Mic Splitter Module

            Jensen Transformers DIN-2MS-2P Dual Mic Splitter Module

            2 CHANNEL 2 WAY with DUAL FARADAY SHIELDS

            Provides additional, isolated balanced output as mic "splitter"
            Solves "transformerless" preamp RFI and CMRR problems
            High common-mode rejection: 130 dB at 60 Hz
            Excellent frequency response and time domain performance
            Provides support circuitry for phantom powered microphones

            This module is designed to be driven from a 150 S microphone source and loaded by the typical 1 kS input impedance of microphone preamplifiers. It can be used with balanced or unbalanced

             

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            Item #: DIN-2MS-2P

            Availability: Usually ships in 3-10 business days

            Our Price: $219.99

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            Founded in 1974 Jensen Transformers, Inc., is a manufacturer and developer of high performance audio transformers. Tens of thousands of Jensen transformers are in use today throughout the world, and maintain a flawless reputation for superior quality and reliability. The company has extended its engineering expertise to the production of related electronic products that adhere to the basic philosophy of uncompromised high performance.

            Strict quality controls are maintained over every facet of production from raw materials through final test to ensure that Jensen products are the best available. Each transformer is rigorously tested both before and after encapsulation. Certified testing, including serialized printouts of all measurements on each unit, is available.

            Markertek is an authorized dealer for the entire Jensen Transformers line. If you don't see what you're looking for, contact us and we'll do our best to get it for you.

             

             

             
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