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Passiv DI

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Antal artiklar 13
Radial JDI
R800 1010 00
Radial JDI Passive Direct Box World´s Finest Direct Box
The world’s finest passive direct box the Radial JDI™ brings unprecedented sonic transparency and simplicity – allowing the artist to be free of hassle and focused in on their music.
  • Jensen Transformer equipped passive DI
  • Eliminates hum and buzz from ground loops
  • Virtually zero phase & harmonic distortion
  • Exceptional signal handling and noise rejection
The Radial JDI is a passive direct box designed to handle extreme signal levels without distortion of any kind. At the heart, the Radial JDI employs the world class Jensen JT-DB-EPC audio transformer delivering a smooth, warm sounding Bessel curve, reminiscent of the finest vintage gear. Ruler flat from 10Hz to 40kHz and with virtually zero phase deviation, the JDI delivers the natural, pure sound of the instrument without artifact. By its no-power passive design, the Radial JDI performs both high-to-low impedance conversion and signal balancing over a magnetic bridge that passes signal while rejecting stray DC voltage. This makes the JDI particularly adept at eliminating hum and buzz caused by ground loops.
Pris exkl.2 070.00
Radial JDI Stereo
R800 1012 00
Radial JDI Stereo The World's Finest Stereo Direct Box
The Radial JDI Stereo™ brings unprecedented sonic transparency and accuracy to any stereo instrument – providing the artist with the freedom to focus on their music.
  • Jensen transformer equipped passive DI
  • Eliminates hum and buzz from ground loops
  • Virtually zero phase & harmonic distortion
  • Exceptional signal handling and noise rejection
  • Compact stereo format for twice the performance
The Radial JDI Stereo is a passive two-channel direct box designed to handle extreme signal levels without distortion of any kind. It employs two world-class Jensen JT-DB-EPC audio transformers to deliver a smooth, warm sounding Bessel curve, reminiscent of the finest vintage gear. Ruler flat from 10Hz to 40kHz and with virtually zero phase deviation, the JDI Stereo delivers the natural, pure sound of the instrument without artifact. By its no-power passive design, the JDI Stereo performs both high-to-low impedance conversion and signal balancing over a magnetic bridge that passes signal while rejecting stray DC voltage. This makes it particularly adept at eliminating hum and buzz caused by ground loops.
Pris exkl.3 130.00
Radial Duplex
R800 1020 00
Radial JDI Duplex Passive Full-Featured Stereo Direct Box
The JDI Duplex™ takes the world’s finest passive direct box one step further, providing numerous connector types to easily interface with any sound source – including line-level devices – while maintaining the highest audio quality and transparency.
  • Jensen transformer equipped passive DI
  • Eliminates hum and buzz from ground loops
  • 1/4″, 3.5mm, RCA, and XLR inputs to connect to any source
  • Exceptional signal handling and noise rejection
Radial JDI Duplex is a high performance dual-channel direct box that is designed to provide maximum flexibility for the audio engineer in the most demanding applications. It features two custom-made nickel laminated transformers for optimal signal transfer with absolute minimal distortion of all types. Analysis reveals an exceptionally linear response from 10Hz to 40kHz with virtually zero phase shift at all critical frequencies. The excellent performance is further substantiated with a Fast Fourier transform that produces desirable even order harmonic generation and a warm Bessel curve when pushed hard. With its heavy-duty steel shell and internal I-beam construction, the Duplex is designed to work dependably for years in the harshest of touring environments. A full complement of connectors make the Duplex a God-send when faced with the never-ending challenges of professional touring, broadcast and AV integration.
Pris exkl.3 870.00
Radial ProDI
R800 1100 00
Radial ProDI Passive Direct Box
The ProDI™ is a passive direct box that combines exceptional audio performance with solid dependable construction, making it the ideal general duty direct box for stage and studio.
  • Compact passive direct box for stage and studio
  • Able to handle huge transients without distortion
  • Transformer isolation eliminates noisy ground loops
  • Plug and play easy to use feature set – on stage or in the studio
The heart of the ProDI is a custom wound Radial transformer. It features an exceptionally high 140kΩ input impedance to reduce loading while enabling the ProDI to handle extreme signal levels at all frequencies without distortion. This is further improved upon with an internal MuMETAL® shield to protect against electromagnetic fields that can cause unshielded transformers to distort.
Pris exkl.1 080.00
Radial ProD2
R800 1102 00
Radial ProD2 Stereo Passive Direct Box
The Radial ProD2 is a compact stereo direct box developed specifically to address the needs and challenges of interfacing a stereo keyboard to a professional audio system. This passive DI features two independent channels with separate inputs and thru-puts for the artist’s stage amp and two fully isolated outputs for the PA system.
  • Stereo direct box designed for keyboards
  • Smooth, warm sound rounds out digital edge
  • Able to handle huge transients without choking
  • May be rack mounted for touring rigs
At the heart of the design are two high performance Eclipse ET-DB2 transformers. These deliver 20Hz to 20kHz performance with less than 1.5dB deviation above 18kHz and are able to withstand tremendous signal levels without distortion. Unlike active circuits that overload when the signal exceeds the rail voltage, transformers saturate. This creates a pleasing effect that naturally rounds out the tone, acting like a subtle limiter which is particularly advantageous when interfacing the ProD2 with digital pianos, samplers and drum machines that can produce excessive dynamics. Transformers are particularly adept at eliminating hum and buzz caused by ground loops.
Pris exkl.1 660.00
Radial ProAV1
R800 1112 00
Radial ProAV1 Passive Multimedia Direct Box

The ProAV1 is a passive direct box specifically designed for audio-video integrators and technicians, featuring a variety of stereo inputs that are summed to mono via a resistive mixer, greatly simplifying signal management.
  • Versatile direct box for multimedia applications
  • Easy to use, ultra-quiet passive design
  • Transformer isolation eliminates hum and buzz
  • Handles huge transients without distortion
The ProAV1 provides you with the ability to connect almost any audio source to a PA system, while automatically summing stereo sources to mono to preserve channels and simplify the audio setup. Inputs are available via 1/4", RCA, 3.5mm stereo, and line-level XLR connections, giving you the ability to easily connect to smartphones, tablets, laptops, CD players, or even a +4dB line level output from a console or recording interface. Transformer isolation helps eliminate noise while maintaining a linear frequency response, and a mono balanced XLR output allows you to feed a recording interface or a PA system.
Pris exkl.1 330.00
Radial ProAV2
R800 1115 00
Radial ProAV2 Stereo Passive Multimedia Direct Box
The ProAV2 is a stereo passive direct box designed for audio-video integrators and technicians, with an array of input connector options to easily interface with a wide range of audio equipment.
  • Versatile stereo direct box for multimedia applications
  • Easy to use, ultra-quiet passive design
  • Transformer isolation eliminates hum and buzz
  • Handles huge transients without distortion
The ProAV2 is an indispensable device for live sound engineers and audio-video technicians alike, with the ability to seamlessly interface nearly any device with a pro audio system. A 3.5mm stereo input jack and dual 1/4" and RCA connectors ensure that you won't ever be hunting around for adaptor cables, while ultra-quiet performance with transformer isolation helps eliminate hum and buzz from ground loops. The ProAV2 maintains stereo separation and exhibits linear frequency response from 20Hz to 20kHz, with balanced mic-level XLR outputs that allow you to send signals through a multichannel audio snake on stage or into two channels of a mixing console.
Pris exkl.1 900.00
Radial Trim-Two
R800 1117 00
Radial Trim-Two Passive Stereo Direct Box with Level Control
The Trim-Two™ is a passive stereo direct box designed for use with laptop computers and other consumer playback devices, eliminating hum and buzz from ground loops while providing an easy-access level control for quick adjustments on stage.
  • Stereo direct box for line level sources
  • Passive signal path with transformer isolation
  • Eliminates hum and buzz when connecting to the PA
  • Level control & mono sum switch
The Trim-Two allows you to connect any playback device and interface it with balanced pro audio equipment without signal loss or hum and buzz from ground loops. It features two transformers which isolate and balance the audio output from your source device, eliminating noise and allowing you to use long cable runs without signal degradation. A handy mono sum switch makes it easy to reduce the output channel count or send the same signal to two destinations at once, and an accessible level control gives you the ability to adjust levels in an instant. Multiple input connector types make it easy to hook up any consumer line level playback source, from laptops & smartphones to DJ equipment. The completely passive design means that you never have to worry about powering the Trim-Two, making it truly plug & play.
Pris exkl.1 660.00
Radial StageBug SB-2 Passive DI
R800 0120 00
StageBug SB-2 Passice Direct Box
The Radial StageBug SB-2 Passive is a high-performance direct box made for players who are on the move! Made to fit inside of a guitar case, the SB-2 is ultra compact yet is feature-packed to ensure great performance on any stage.
  • Passive DI for bass, acoustic and keyboard
  • Ultra compact to fit in your guitar case
  • Plug & play easy to use feature set
  • Transformer isolation eliminates noise
The compact design begins with a ¼" input and thru-put to feed the on-stage amp. This connects to the custom made Eclipse ET-DB3 transformer which performs the impedance matching and balances the signal.
When using extra high output instruments, a -15dB pad can be inserted into the signal path. This enables the SB-2 to be used with active basses and digital pianos that often tend to overload the input side of the interface.
An innovative stereo-to-mono merge function provides a convenient way to connect stereo keyboards and computers without having to reset the source for mono operation, saving time and input channels on the PA. The SB-2 output features an XLR wired to the AES standard with pin-2 hot.
Once connected, the SB-2 delivers a smooth warm sound reminiscent of older vintage gear. The Eclipse ET-DB3 transformer is magical in its ability to handle extreme signal levels with a natural compression that is pleasing to the ears.
The transformer also helps eliminate hum and buzz caused by ground loops by isolating the input from the output. This is augmented with a ground lift switch that lifts pin-1 on the XLR for quiet, professional results.
These features make the StageBug SB-2 a great choice for electric bass, acoustic guitar and keyboards where small size and big performance matters!
Pris exkl.760.00
Radial StageBug SB-5 Passive DI, PC
R800 0150 00
StageBug SB-5 Passive Stereo Direct Box For Laptops & Mobile Devices
The Radial Stage Bug SB-5 is a compact stereo direct box designed to accommodate laptop computers, tablets and other consumer audio products when amplifying the signal through a PA system.
  • Stereo direct box for laptops, smartphones, and tablets
  • Cable with 3.5mm stereo plug to connect to mobile devices
  • Transformer isolation eliminates hum and buzz
  • Plug & play easy to use, no power required
  • Compact design fits in your laptop bag
The passive design begins with an integrated input cable that connects from the headphone out via a flexible 1.5m (5') cable that is terminated with a standard 3.5mm (1/8") stereo connector.
The cable is secured via a clamping strain relief and is wrapped using the sidewinder cleat for easy storage. This of course eliminates having to locate a cable making it easier to deploy in fast paced work environments. Inside, the signal is sent to a pair of custom wound transformers where the impedance is lowered and the signal is balanced for long cable runs - upwards to 100 meters (300').
Transformers further benefit by isolating the computer from the PA system to help eliminate hum and buzz caused by ground loops. This is augmented with a ground lift switch to further reduce ground contamination.
A choice of output connectors is available including a stereo set of ¼" TRS jacks for full stereo operation or an XLR out that automatically sums the left-right program material to mono.
This can save valuable channels on the PA system and makes setup easier in situations where full stereo reproduction is not required.
A -15dB input pad may be engaged to reduce sensitivity and enable extra high output sources to be connected without distortion.
These features combine to make the SB-5 the perfect tool-kit DI for the AV technician, media manager or traveling musician equipped with a computer.
Pris exkl.1 080.00
Radial StageBug SB-5 W WallDI
R800 0155 00
StageBug SB-5W Passive Wall-mountable Stereo Direct Box
The StageBug SB5W is a passive stereo direct box made to fit in a standard North American single-gang electrical wall plate, providing AV integrators with an effective means of connecting an unbalanced audio source such as a laptop, smartphone, or tablet to a balanced audio system.
  • 5mm and RCA inputs with level control
  • Passive design, no power needed
  • Contractor-friendly screw terminal outputs
  • Transformer isolation to eliminate noise
The StageBug SB5W provides a permanently mounted interface to connect consumer audio devices with installed pro audio systems. Front panel 3.5mm TRS and RCA connectors are provided for any stereo source and a fully variable level control makes volume adjustments easy. Inside, the SB5W employs dual transformers that convert the inputs to a low impedance balanced signal, and eliminate hum and buzz caused by ground loops. Set & forget ground lift and mono switches are also included to further reduce noise and to sum the left and right channels together if needed. The outputs of the SB5W feature screw terminals with tie down points for tie-wraps to make installation fast, efficient and permanent.
Pris exkl.1 230.00
Radial JD6 Six-Channel Passive Direct Box
R800 6000 00
Radial JD6 Six-Channel Passive Direct Box
The JD6™ a high performance six-channel rackmount direct box designed for the most demanding studio and live touring applications.
  • Multi-channel direct box for concert touring and studio recording
  • Jensen transformer-equipped for exceptional audio quality
  • Handles hot signal levels without distortion
  • Front and rear panel connectivity for additional routing options
Stemming from the industry standard Radial JDI™, the JD6 incorporates six premium Jensen transformers with extra RF filtering to ensure optimal signal transfer with the minimal noise, phase shift, or distortion. These are also able to withstand extreme signal levels, which makes the JD6 particularly effective when managing high-output active devices such as digital pianos that will often overload most direct boxes or preamps. Each JD6 channel is equipped with a rear-mounted ¼" instrument input and thru-put for the artist's amp plus a balanced XLR output to feed the mixing desk, while Channels 1 and 2 include front panel connectors that switch the input as soon as a cable is inserted for improved efficiency in the studio.
Pris exkl.11 190.00
Radial ProD8
R800 1120 00
Radial ProD8 Passive 8-Channel Rackmount Direct Box
The ProD8 is a high performance 8-channel passive direct box optimized for keyboard rigs in professional touring, with redundant 1/4″ inputs for each channel and a completely passive design that requires no power to operate.
  • High density 8-channel rackmount DI for keyboards
  • Reversible rack ears to optimize patching setup
  • Withstands extreme dynamics from high-output sources
  • Redundant inputs let you incorporate a backup system
Professional performance
The ProD8 features up to 8 direct box outputs in a single 1RU rack space for professional touring, with dual ¼" inputs on each channel to incorporate a backup system or connect up to 16 channels of audio at once. A ¼" TRS effects insert jack on each channel allows for connection to various effects devices while adding greater routing options, while a thru-put jack delivers a direct feed to the artist's playback system. The front panel features isolated XLRs for balanced low-noise outputs, each equipped with ground lift and 180° polarity reverse switches.
Transformer driven for greater headroom & low noise
The engine inside the ProD8 is a custom wound Eclipse ET-DB2 transformer that performs both the impedance matching and balancing. Linear from 20Hz to 20kHz, it is able to withstand the extreme dynamics common with today's digital keyboards. Unlike active circuits that overload and square wave when the rail voltage is exceeded, transformers saturate. This means that as the signal increases, the ProD8 naturally rounds out the tone producing a warm Bessel curve reminiscent of the very best vintage audio gear. The other significant advantage to this passive design is 100% galvanic isolation between the source and destination, which eliminates hum and buzz caused by ground loops.
Adaptable Configuration
To enhance setup options, the Radial ProD8 is equipped with reversible rack ears. This handy feature allows the system tech to position the inputs on the front of the rack when interfacing with external keyboards or have them inside if the setup is predominantly equipped with rack modules.
Pris exkl.9 510.00

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