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    • RDL TX-8A 4 Ohm / 8 Ohm Input Interface

      RDL TX-8A 4 Ohm / 8 Ohm Input Interface

      The TX-8A is the ideal choice in many applications requiring superior quality transformer coupling between the output of a 4 or 8 Ohm power amplifier and the input of an audio mixer or amplifier. A front-panel LEVEL control allows the output to be adjusted for -10 dBV or +4 dBu over a wide range of amplified power levels. The TX-8A is a single-channel (mono) module featuring barrier block connections for the input and output. A high quality bifilar wound audio transformer couples the audio input...

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      Item #: RDL-TX-8A

      Availability: Usually ships in 3-10 business days

      Our Price: $69.16

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    • Canare BCJ-XP-TRC BNC-F In to XLR-M Out Impedence Transformer Plug

      Canare BCJ-XP-TRC BNC-F In to XLR-M Out Impedence Transformer Plug

      110 - 75 ohm Impedance Transformer XLR3: Male BNC: Female Pack Qty: 1 pc Canare Impedance Transformers are designed to convert 2-channel digital audio signals between balanced 110 ohms XLR and unbalanced 75 ohms BNC. This cost effective adapter allows you to switch from a limited length microphone cable to a much longer, IMPEDANCE MATCHED 75 ohms coax cable. Now, conveniently route D1, D2, R-DAT and DAW signals via 75 ohms Canare Video Patchbays, BNC plugs and super flexible Coaxial...

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      Item #: BCJ-XP-TR

      Availability: In Stock

      Our Price: $28.00

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    • Canare BCJ-XJ-TRC XLR-F 110 Ohm to BNC-F 75 Ohm Impedence Transformer

      Canare BCJ-XJ-TRC XLR-F 110 Ohm to BNC-F 75 Ohm Impedence Transformer

      110 - 75 ohm Impedance Transformer XLR3: Female BNC: Female Pack Qty: 1 pc Canare Impedance Transformers are designed to convert 2-channel digital audio signals between balanced 110 ohms XLR and unbalanced 75 ohms BNC. This cost effective adapter allows you to switch from a limited length microphone cable to a much longer, IMPEDANCE MATCHED 75 ohms coax cable. Now, conveniently route D1, D2, R-DAT and DAW signals via 75 ohms Canare Video Patchbays, BNC plugs and super flexible Coaxial...

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      Item #: BCJ-XJ-TR

      Availability: In Stock

      Our Price: $28.89

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    • RDL TX-J2 Unbalanced Input Transformer

      RDL TX-J2 Unbalanced Input Transformer

      The RDL TX-J2 Unbalanced Input Transformer is part of Radio Design Labs TX Series and features unbalanced stereo inputs to summed balanced mono output. TX Series modules are application-specific modules for the A/V and related industries. Many TX modules offer galvanic transformer isolation. Module functions include signal detection, switching, amplification, format conversion, line driving, mixing, distribution, twisted-pair sending/receiving and more. Each TX is a compact module...

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      Item #: TX-J2

      Availability: In Stock

      Our Price: $59.79

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    • RDL FP-UBC6 Unbalanced to Balanced Converter - 6 Channel

      RDL FP-UBC6 Unbalanced to Balanced Converter - 6 Channel

      The FP-UBC6 is the ideal choice for multiple channel connectorized conversion from unbalanced to balanced audio. This module features six identical channels, making it ideally suited to converting consumer 6-channel surround sound into the professional audio format. Each input channel is unbalanced, connected through a gold-plated phono jack. Each output is balanced. All outputs are connected through XLR jacks with gold-plated pins. A gain trim potentiometer is provided for each channel. The...

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      Item #: FP-UBC6

      Availability: In Stock

      Our Price: $385.32

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    • RDL FP-UBC2 Unbalanced to Balanced Converter - 2 Channel

      RDL FP-UBC2 Unbalanced to Balanced Converter - 2 Channel

      The FP-UBC2 is the ideal choice for connectorized conversion from unbalanced to balanced audio. This module features two identical channels. Gold-plated phono jacks are utilized for each unbalanced input channel. Each output is balanced, connected through an XLR jack. A gain trim potentiometer is provided for each channel. The normal gain setting is indicated for the trimming potentiometer. This setting produces a +4 dBu balanced output for a -10 dBV unbalanced input. The gain is adjustable -5...

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      Item #: FP-UBC2

      Availability: Usually ships in 3-10 business days

      Our Price: $178.36

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    • Ward-Beck IMP-8M8F Impedance Converter Panel - 8 Male/8 Female  XLR to BNC

      Ward-Beck IMP-8M8F Impedance Converter Panel - 8 Male/8 Female XLR to BNC

      IMP-8M8F is part of Ward-Beck's IMP-16 series of high density Rack Mount impedance converter panels. It allows 75 Ohm coaxial transmission of AES/EBU digital audio signals. Eight conversion transformers change a balanced 110 Ohm signal on XLR to an unbalanced 75 Ohm signal on a BNC type connector, and eight change an unbalanced 75 Ohm signal on a BNC type connector into a balanced 110 Ohm signal on an XLR type connector. The IMP-8M8F is a conveniently packaged 1 Rack Unit high panel that features...

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      Item #: WARD-IMP-8M8F

      Availability: Usually ships in 3-10 business days

      Our Price: $599.00

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    • DSan LSP-2 Laptop SoundPort

      DSan LSP-2 Laptop SoundPort

      The DSan LSP-2 Laptop SoundPort is a compact adapter that plugs into a laptop computer speaker jack, changes the output to balanced mic-level signals and mates with standard XLR audio cables for connections to a house audio system. A ground lift switch assures a hum-free interface. On-board volume control. This is a stereo version of the LSP-1. Separate volume controls for each channel and a sum switch to combine them into one mono signal. Includes alternative USB sound capture...

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      Item #: DSA-LSP-2

      Availability: In Stock

      Our Price: $100.00

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    • DSAN LSP-1 Laptop SoundPort

      DSAN LSP-1 Laptop SoundPort

      Model LSP-1 is a compact adapter that plugs into a laptop computer speaker jack, changes the output to a balanced mono mic-level signal and mates with standard XLR audio cable for connections to a house audio system. A ground lift switch assures a hum-free interface. On-board volume control.

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      Item #: DSA-LSP-1

      Availability: In Stock

      Our Price: $64.00

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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. Features: 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...

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      Item #: JT-6110K-B

      Availability: Direct Ship From Manufacturer

      Our Price: $89.99

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    • RDL TX-70A 25V/ 70V/ 100V Speaker Level Input Interface - Unbalanced Line Output

      RDL TX-70A 25V/ 70V/ 100V Speaker Level Input Interface - Unbalanced Line Output

      Do you ever need to feed the audio from a 70V distributed loud speaker system into a line-level device in a remote location? Do you ever need a few more loudspeakers than your existing 70V amplifier can drive but have no convenient line-level audio to run into a local amplifier? Well RDL has the module for you! The TX-70A 70/25/100 volt input interface matches a 100, 70 or 25 volt speaker line to any unbalanced line level audio input. Simply install the TX-70A as you would a 70V speaker...

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      Item #: TX-70A

      Availability: Usually ships in 3-10 business days

      Our Price: $42.50

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    • Whirlwind ISOXL Line-Level Isolation Transformer

      Whirlwind ISOXL Line-Level Isolation Transformer

      This is a professional quality compact transformer in an XLR male/female tube for quick fix line isolation. The shield is lifted from input to output.

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      Item #: ISOXL

      Availability: In Stock

      Our Price: $50.00

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    • RDL STP-1 Universal Audio Attenuator - 2 Channel

      RDL STP-1 Universal Audio Attenuator - 2 Channel

      The RDL STP-1 is single unit containing a pair of convenient attenuator pads that can be located at the precise location that attenuation is needed. The low-cost STP-1 eliminates the costly labor of figuring and assembling fixed pads. Multi-turn trimmers in the STP-1 permit precise adjustment of levels without the need to connect any jumpers or external resistors. The STP-1 operates in either high or low impedance, balanced...

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      Item #: STP-1

      Availability: In Stock

      Our Price: $61.87

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    • RDL FP-BUC2 Balanced to Unbalanced Converter - 2 Channel

      RDL FP-BUC2 Balanced to Unbalanced Converter - 2 Channel

      The FP-BUC2 is the ideal choice for connectorized conversion from balanced to unbalanced audio. This module features two identical active (transformerless) channels. Gold contact XLR jacks are utilized for the balanced input channels. Each output is unbalanced, connected through a gold-plated phono jack. A level trim potentiometer is provided for each channel. The FP-BUC2 circuitry features low-noise, low-distortion and excellent headroom and crosstalk performance...

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      Item #: FP-BUC2

      Availability: In Stock

      Our Price: $178.83

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    • Henry Engineering Matchbox HD Bi-Directional Stereo Level & Impedance Interface

      Henry Engineering Matchbox HD Bi-Directional Stereo Level & Impedance Interface

      The rack-mountable Matchbox HD is the new high performance version of the industry's most popular analog level and impedance converter. Matchbox HD offers a true 100 dB S/N ratio, with 22 dB of headroom to yield 122 dB of dynamic range. It is the very best way to interface "consumer" or semi-pro equipment with professional audio gear. The Matchbox HD is a bi-directional unit, employing four independent amplifiers to convert stereo inputs and outputs from unbalanced -10 dBv levels to +4 dBm balanced...

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      Item #: MATCHBOX

      Availability: In Stock

      Our Price: $169.00

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    • ProCo iFace Portable Audio Player Interface

      ProCo iFace Portable Audio Player Interface

      The Pro Co iFace Portable Audio Player Interface is a roadworthy aluminumhoused device that allows simple and reliable connection of stereo -10dBVaudio devices such as MP3 players, Apple iPods, laptop computers and consumer-type CD and DVD players to the balanced microphone inputs ofprofessional audio mixing consoles. The iFace provides both a 3.5 mm (1/8") and recessed left/right RCA inputs for easy connection with standard patch cable s and a stereo/mono switch to provide passive summing to...

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      Item #: IFACE

      Availability: In Stock

      Our Price: $188.79

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    • Whirlwind IMPAD10 Attenuator - XLR inline barrel 10dB

      Whirlwind IMPAD10 Attenuator - XLR inline barrel 10dB

      Input a line signal into a mic pre or match levels between two pieces of gear with these precision in-line H-pads. Available in 10, 20, 30, and 40dB attenuation versions, a set of IMP PADs is a necessity for every complete audio toolkit. Input Impedance (3-pin female XLR): 1k Ohms Output Impedance (3-pin male XLR): 150 Ohms

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      2 Models Available

      Item #: IMPAD10

      Availability: In Stock

      Our Price: $19.00

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    • RDL TX-LM2 Line Level to Microphone Level Transformer

      RDL TX-LM2 Line Level to Microphone Level Transformer

      RDL TX-LM2 is a line level to microphone level transformer. Matches a balanced 600Ω phone or other audio line into a mic or line input. Features: Matches balanced 600 Ohm phone (or other line) into mic or line input Balanced Input Dual outputs:Unbalanced line-level and balanced mic-level Frequency response: 20 Hz to 20 kHz (+/- 0.5 dB) THD: < 0.05% (1 kHz)

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      Item #: TX-LM2

      Availability: In Stock

      Our Price: $37.94

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    • Canare BCJ-XJ-A10TRC 110-75 ohm Digital Audio Impedance Transformer

      Canare BCJ-XJ-A10TRC 110-75 ohm Digital Audio Impedance Transformer

      110 - 75 ohm Impedance Transformer XLR3: Female BNC: Female The Canare BCJ-XJ-A10TRC Impedance Transformers allow 75 Ohm coaxial transmission of all 2 channel AES/EBU Digital Audio signals. XLR 3 pin (F) to BNC Jack, 10dB Attenuation. Low cost and easy to use, our I/O adapters are designed to passively convert all standard AES/EBU digital audio signals from 110 Ohm /XLR3 Output (@ 4.5 Volts) to a 75O BNC coaxial cable and then back again to a 110 Ohm /XLR3 Input (200mV min). Also...

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      Item #: BCJ-XJ-A10TRC

      Availability: Usually ships in 3-10 business days

      Our Price: $49.34

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    • Neutrik NADITBNC-F XLR Female 110 Ohm to BNC Female 75 Ohm Adapter

      Neutrik NADITBNC-F XLR Female 110 Ohm to BNC Female 75 Ohm Adapter

      In addition to the original NA-BF/NA-BM adapters, two new versions in this series are now available. The BNC to 3-Pin XLR Receptacle (male & female) and the BNC to XLR cable end (male & female). Developed to provide and excellent impedance transformer at a reasonable cost for meeting the needs between analog & digital applications. Use of these adapters also allows for longer cable runs via unbalanced coaxial lines rather than twisted pair cables that present high attenuation values at relevant...

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      4 Types Available

      Item #: NA-BF

      Availability: In Stock

      Our Price: $40.82

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    • Atlas AT35 35W Single Gang Stainless Steel 70.7V Commercial Attenuator

      Atlas AT35 35W Single Gang Stainless Steel 70.7V Commercial Attenuator

      High-quality auto transformer series provides the advantages of excellent frequency response, low insertion loss and reliable performance for volume control application in 25 and 70.7-volt systems. Attenuation is accomplished in ten make before break steps plus positive off position. (No stop between maximum and off position to prevent switch damage). Contacts are silver plated for noise-free operation. Features a removable terminal block. Includes stainless steel plate, with stamped and filled...

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      Item #: AT35

      Availability: In Stock

      Our Price: $28.99

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    • Sescom SES-AES-EBU-1 3-Pin XLR Female to 75 Ohm BNC Female AES/EBU Impedance Transformer

      Sescom SES-AES-EBU-1 3-Pin XLR Female to 75 Ohm BNC Female AES/EBU Impedance Transformer

      The Sescom SES-AES-EBU-1 is an excellent impedance transformer at a reasonable cost for meeting the needs between analog to digital conversion. It also allows for longer cable runs via unbalanced coaxial lines rather than twisted pair cables that have greater attenuation at relevant frequencies. Perfect for medium haul cable runs. Features: 110 Ohm Female XLR to 75 Ohm AES-EBU in-line transformers BNC to 3-Pin XLR Receptacle (male & female versions) Provides an excellent impedance transformer...

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      Item #: SES-AES-EBU-1

      Availability: In Stock

      Our Price: $18.95

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    • Ward-Beck IMP-1M In Line Impedance Transformer - XLR(M) to BNC

      Ward-Beck IMP-1M In Line Impedance Transformer - XLR(M) to BNC

      The IMP-1M is an in-line impedance converter equipped with a BNC and XLR-3(M) connector. The conversion transformer changes a 75 Ohm unbalanced AES signal to a 110 Ohm balanced signal. Ideal for interfacing to a equipment with balanced AES connectors. Features: In-line 110 to 75 Ohm converter ideal for use with equipment with XLR-3 type AES connectors Specifications: Input Level - 0.2-7.0 Vp-p Input Impedance - 75 Ohm AES/EBU 75 Ohm unbalanced Output Level - 0.2-7.0 Vp-p Output Impedance -...

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      Item #: WARD-IMP-1M

      Availability: Usually ships in 3-10 business days

      Our Price: $36.50

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    • Neutrik NTE4 Professional Audio Transformer with Free Wires

      Neutrik NTE4 Professional Audio Transformer with Free Wires

      Professional audio transformer with free wires. Audio transformer 1:4 Impedance ratio: 200:3.2k Source/load impedance in Ohm: 200/10k Max. Input level (@ 50 Hz, 1% THD): -7 dBu Applications: mic input step-up

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      Item #: NTE4

      Availability: Usually ships in 3-10 business days

      Our Price: $10.92

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    • Whirlwind Inline XLR Barrel Ground Lifter

      Whirlwind Inline XLR Barrel Ground Lifter

      Ideal for troubleshooting ground problems, this female-to-male XLR 3-pin inline device disconnects pin 1 between the connectors. It isolates the ground of a balanced audio signal without requiring you to cut the cable's shield wire.

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      Item #: LIFTER

      Availability: In Stock

      Our Price: $14.00

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      Audio Level Matching

      Audio Level & Impedance Matching Transformers create compatible signals between microphones, line-level devices, laptops, digital 75 ohm and 110 ohm AES/EBU devices. For example, Audio Level Matchers allow you to connect a professional studio microphone to a computer or other "consumer" style recording device. In addition, Audio Level Matchers allow the connection of consumer CD players, tape decks or other devices to the XLR inputs of a Professional mixing console. Every Audio Engineer and Technician should have a variety in their toolbox to ensure the show goes on! Speak with a Markertek representative today and ensure you choose the Audio Level Matcher that best suits your application.

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