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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: In Stock

      Our Price: $69.16

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    • Rapco LTIGLBLOX Laptop Interface with Ground Lift

      Rapco LTIGLBLOX Laptop Interface with Ground Lift

      LTIGLBLOX is a consumer to pro interface. It converts input from consumer grade equipment (laptop computers, MP3 players, CD players) to a mic level balanced output. Ground lift switch. Gives operator volume control of the outgoing stereo signal. 3.5mm male input and XLR male output. Features: Self-contained unit converts input from consumer grade equipment to a mic level balanced output Operator volume control of outgoing stereo signal 3.5mm male input and XLR male output Ground lift switch Perfect...

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      Item #: LTIGLBLOX

      Availability: In Stock

      Our Price: $69.80

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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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    • 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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    • Sonifex RB-LU4 Quad Stereo Balanced to Unbalanced Converter

      Sonifex RB-LU4 Quad Stereo Balanced to Unbalanced Converter

      The RB-LU4 is a 1U rack-mount quad stereo unit for interfacing professional balanced line levels to domestic or semi-pro unbalanced equipment, e.g. for connecting a pro satellite receiver to a consumer hi-fi system. All connections are on the rear panel. The eight balanced XLR-3 inputs have an impedance of 20k Ohm and are routed to eight unbalanced RCA outputs with an output impedance of <50Ω. The output gain can be individually adjusted for left and right channels by using pre-set potentiometers...

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      Item #: SON-RB-LU4

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $533.00

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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: In Stock

      Our Price: $42.50

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    • RDL TX-J2 Unbalanced Input Transformer Zoom Rooms compatible

      RDL TX-J2 Unbalanced Input Transformer Zoom Rooms compatible

      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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    • Sescom AUD-RCA-XLR 1-Channel RCA to XLR Unbalanced to Balanced Audio Converter

      Sescom AUD-RCA-XLR 1-Channel RCA to XLR Unbalanced to Balanced Audio Converter

      Sescom SES-AUD-RCA-XLR is a single channel unbalanced to balanced prosumer audio converter. Housed in a robust anodized aluminum enclosure with Neutrik chassis mount XLR and a recessed Neutrik RCA that you can hide in your hand, this converter delivers incredible sound quality and requires no power. With a world famous Sescom audio transformer inside, the SES-AUD-RCA-XLR assures the high quality and reliability that make it a must have for any gear bag or audio tool box. Designed to interface...

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      Item #: SES-AUD-RCA-XLR

      Availability: In Stock

      Our Price: $46.95

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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-10B Bridging Input Transformer

      RDL TX-10B Bridging Input Transformer

      RDL TX-10B is a TX™ Series bridging input transformer. Add transformer isolation to any line-level audio input with balanced input and output. Features: Add transformer isolation to any line-level audio input Balanced input and output 10 kΩ input bridges any audio line Frequency response: 20 Hz to 20 kHz (+/- 0.5 dB) THD: (1 kHz) Specifications: Height: 3.0 in 7.6 cm Width: 1.2 in 3.0 cm Depth (case): 1.5 in 3.8...

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      Item #: TX-10B

      Availability: In Stock

      Our Price: $41.55

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    • Neutrik NADITBNC-F XLR Female Chassis Mount 110 Ohm input to BNC Female 75 Ohm output adapter

      Neutrik NADITBNC-F XLR Female Chassis Mount 110 Ohm input to BNC Female 75 Ohm output 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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    • Sonifex CM-LUX1 Balanced to Unbalanced Converter Passive - XLR to Phono

      Sonifex CM-LUX1 Balanced to Unbalanced Converter Passive - XLR to Phono

      The Sonifex CM-LUX1 passive balanced to unbalanced audio convertor connects a balanced stereo line input via female XLR using the StudioHub pinout to an unbalanced stereo phono output. Transformer balanced with a 2:1 ratio you get an additional 6DB of attenuation to help interfacing with pro and consumer devices. The CM-LUX1 provides an alternative to specialized cables when interfacing a balanced output to an unbalanced input and is particularly useful where a shared balanced...

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      Item #: SON-CM-LUX1

      Availability: In Stock

      Our Price: $265.00

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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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    • 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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    • Jensen JT-11P4-1 Line Input Transformer

      Jensen JT-11P4-1 Line Input Transformer

      1:1.414 FOR "BALANCED BRIDGING" INPUTS This transformer is designed for sue in wideband input stages. Distortion remains very low and CMRP 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.

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      Item #: JEN-JT-11P4-1

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $64.95

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    • Radial USB-PRO DI for Laptops with Level Control / Mono Summing / Headphone  Out

      Radial USB-PRO DI for Laptops with Level Control / Mono Summing / Headphone Out

      The Radial USB-Pro is a high-resolution stereo direct box designed to convert sound files from a laptop computer and seamlessly transfer them to a pair of balanced audio outputs to feed a PA, recording or broadcast mixing console. Made to be plug & play easy to use, the USB-Pro automatically configures itself for use with all popular operating systems including Mac OSX, Windows XP, Vista and Windows 7, thus eliminating the need to load special drivers. Unlike devices that are limited with...

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      Item #: RAD-USB-PRO

      Availability: In Stock

      Our Price: $229.99

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    • Atlas AT35D Deluxe Decora Plate Mounted 35W Attenuator - 3dB Steps - Ivory White

      Atlas AT35D Deluxe Decora Plate Mounted 35W Attenuator - 3dB Steps - Ivory White

      Decora style 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, and come complete with white and ivory plastic...

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      Item #: AT35D

      Availability: In Stock

      Our Price: $32.99

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    • RDL TX-AFC1F Balanced to Unbalanced Audio Transformer - XLR / RCA

      RDL TX-AFC1F Balanced to Unbalanced Audio Transformer - XLR / RCA

      The Radio Design Labs TX-AFC1F is a studio quality balanced to unbalanced audio transformer. It takes an XLR input and transforms it to RCA by means of a studio quality bifilar audio transformer. Conveniently mounts almost anywhere because of its compact housing. The TX-AFC1F is a single-channel (mono) module featuring a female XLR input and phono jack output. A studio quality audio transformer converts the audio input to unbalanced. An integral pad is set to produce an output level of -10 dBV...

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      Item #: TX-AFC1F

      Availability: In Stock

      Our Price: $96.19

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    • RDL TX-1A Balanced to Unbalanced Transformer - Adjustable

      RDL TX-1A Balanced to Unbalanced Transformer - Adjustable

      The RDL TX-1A is used primarily for galvanic isolation and format conversion between equipment. Conversion from -10 dBV consumer level up to +4 dBu professional level requires voltage gain. The transformer in the TX-1A has a 1:1 ratio and uses an adjustable attenuator circuit at its output to lower the output signal to the level required. The module cannot provide voltage gain. RDL offers several premium quality conversion amplifiers to produce professional signals from consumer sources....

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      Item #: TX-1A

      Availability: In Stock

      Our Price: $36.91

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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: In Stock

      Our Price: $89.99

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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: More on the way, usually ships in 3-10 business days

      Our Price: $178.36

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    • ARX IB-1 Audibox ISO Balancer Stereo RCA Unbalanced to Balanced XLR

      ARX IB-1 Audibox ISO Balancer Stereo RCA Unbalanced to Balanced XLR

      A Dual channel Unbalanced to Balanced Low Impedance transformer isolated converter. The ISO Balancer will convert an Unbalanced RCA Low Impedance signal to a Balanced Low Impedance signal suitable for use with professional equipment and long cable runs. Transformer Ground isolation provides low-noise operation suitable for any application. Mounted in a heavy duty all steel chassis, and available in Dual Channel format only. Needs no power. Applications Any consumer-to-pro...

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      Item #: ARX-IB-1

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $171.60

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    • Rolls MB15B 3.5mm / RCA / XLR ProMatch Converter

      Rolls MB15B 3.5mm / RCA / XLR ProMatch Converter

      The Rolls MB15 ProMatch converts consumer level stereo RCA signals to balanced XLR professional line level, and back. One side of the unit, labeled 1, has two XLR inputs and stereo RCA outputs. The other side labeled 2, has stereo RCA inputs and two XLR outputs. Each side has stereo level controls, and an LED indicates that power is applied to the unit. An additional benefit of the MB15 is that it will act as a balanced XLR line level control. By adding a stereo pair jumper between...

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      Item #: MB-15B

      Availability: In Stock

      Our Price: $56.00

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    • Atlas AT10-RM Deluxe Rack Mounted 10W Attenuator with 3dB Steps

      Atlas AT10-RM Deluxe Rack Mounted 10W Attenuator with 3dB Steps

      For attenuation convenience of rack-mounted equipment in cabinets and consoles, the AT attenuators are available without mounting plate for rack panel installation. Attractive matte black polycarbonate dial scale overlay with adhesive backing replaces the mounting plate. Includes skirted black knob. Overlay size is 29 sq. (51mm). (Dial scale overlays to retrofit existing installations are available, see hardware section Model HX23.) Features: Attractive matte black polycarbonate dial scale overlay...

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      Item #: AT-10RM

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $22.99

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    • Hosa - Coaxial (RCA) to AES/EBU (XLR Connectors)The CDL-313 24 Bit 96K

      Hosa - Coaxial (RCA) to AES/EBU (XLR Connectors)The CDL-313 24 Bit 96K

      Mix-down or transfer of digital recordings from on manufacturer's digital recorder to another's ins't always straight forward. Some manufacturers' Digital Work Stations, sound Cards or DAT recorders have only S/PDIF outputs, and some offer only AES/EBU inputs, or vice versa. The CDL-313 by Hosa is a high quality, digital link, allowing simultaneous transfer of two channels of digital-audio in either to both directions between AES / EBU (XLR) and S/PDIF (RCA). Now, even though some digital recorders...

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      Item #: CDL-313

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $153.75

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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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