Warm Audio

2-Channel Active Stereo DI Transformer

Brand: Warm Audio
Model: WA-DI-A2
UPC: 850031640849
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Warm Audio Stereo DIs include active and passive two-channel direct boxes with CineMag transformers designed for stereo instruments, delivering clean balanced signals for studio and live sound applications.

Transformer-Balanced Stereo Direct Box (Active or Passive)

Converts Instruments To Mic-Level Signals Without Signal Degradation

Ideal Solution For Plugging Your Instrument Direct Into Any Mic Pre

Rugged Aluminum Construction

Pad: Variable From -3dB To -30dB

Measurement: 5" X 5-1/2" X 2-7/8"

Active Only: Selectable active/passive switch to boost weaker signals

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About This Product

Description:

Warm Audio Stereo DIs include active and passive two-channel direct boxes designed for stereo instruments, including keyboards, synthesizers, guitar processors, and stereo pedalboards. Built with premium CineMag USA transformers, both models preserve the tonal character of your instrument while delivering clean balanced signals to mixers, audio interfaces, and PA systems. A negative (3 - 30dB) pad helps dial in signal volume, and a ground/lift switch helps eliminate ground-loop noise. The Active Stereo DI provides additional headroom and selectable active circuitry per-channel for lower output instruments and stereo rigs. The Passive Stereo DI offers transformer-isolated signal conversion ideal for high-output sources like drum machines, playback rigs, and modelers feeding FOH consoles or recording systems.

Premium Stereo DI Box: The Warm Audio Stereo DI provides two channels of high-quality direct injection for stereo instruments, including keyboards, synthesizers, and stereo guitar rigs. Designed for both studio and live use, the Stereo DI converts instrument-level signals into balanced outputs while maintaining the natural tone and dynamics of your source. The Active Stereo DI adds active circuitry to better match high-impedance sources to deliver consistent output levels to mixers and interfaces while the passive model will work perfectly with lower impedance signals like those from keyboards, drum machines, and acoustic-electric guitars. 

Signal Integrity: With a fully passive design, the Passive Stereo DI operates without external power while still delivering reliable performance and pristine signal conversion. The transformer-based circuit maintains the tonal integrity of the source instrument while providing balanced outputs ideal for professional audio systems. The Active Stereo DI adds selectable active circuitry, powered by 48v from the line-level connections made to interfaces or mixers. The same transformer-based signal path is available on the active DI for accurate signal conversion, and the active circuitry can even aid with longer cable runs. 
Studio Sound, Pro Features, Road-Ready: Built with a durable metal chassis and premium internal components, both Active and Passive Stereo DI models are designed to withstand the rigors of both studio installations and touring setups. A negative (3 - 30dB) pad helps dial in your ideal signal volume, and ground/lift switch helps eliminate ground-loop noise. The active version adds selectable 48v phantom power powered by the line-level mixer/interface connection. The active DI can also be switched to passive mode for added versatility. Stereo DI’s rugged construction ensures dependable operation in any professional audio environment.

Ideal For Stereo Instruments: The Stereo DI is specifically designed for stereo instrument sources, with the passive model being ideal for sources such as keyboards, synth modules, and stereo pedalboards. The Active Stereo DI can handle dual high-impedance signals, or blend high and low impedance signals as the active circuitry can be turned off at the channel level. The dual-channel configuration ensures consistent tone and performance across both channels while simplifying stereo signal routing in live and studio environments. 

CineMag Transformer Equipped: Both Active and Passive Stereo DI models feature premium CineMag USA transformers that deliver exceptional clarity, rich low-end response, and smooth high-frequency detail. These transformers provide excellent isolation and noise rejection while ensuring the natural character of your instruments are preserved.
5-Year Warranty: Like all Warm Audio gear, every single Warm Audio Stereo DI comes with a 5-year warranty and is meticulously hand-tested and inspected by trained technicians with a passion for making music in Austin, TX USA.
 

COMPONENTS & INTERNAL SPECS

  • Custom-Wound CineMag USA Output Transformer
  • Top-Quality Class-A Components With Gold-Plated Traces On Circuit Board
  • Active Only: Power: 48v Phantom. Can Also Be Used Passively

PERFORMANCE SPECS

  • Balanced Output: 600 Ohms, Mic Level
  • Input Impedance: 1 Meg Ohms
  • Active THD: .01% From 20 Hz To 50 Hz. Less than .003% From 50 Hz To 20 kHz
  • Passive THD: .01% From 20Hz To 50 Hz. Less Than .004% From 50 Hz To 20 kHz
  • Active/Passive Frequency Response: 10 Hz To 100kHz +/- 0.5db

Popular Uses

  • Connect Stereo Keys & Synths > Balanced XLR Outputs To Mixers Or Audio Interfaces
  • Stereo Guitar Modelers & Amp Simulators > FOH Mixers Or Recording Interfaces
  • Stereo Pedalboards & Effects Rigs > Clean Balanced Signal To PA Systems
  • Electronic Drum Modules & Samplers > Noise-Free Connection To Stage Boxes Or Consoles
  • Laptop Audio Interfaces & Playback Rigs > Balanced Feed To Live Sound Systems
     
Specifications
  • Barcodes
  • UPC
  • 850031640849
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