Description
Overview
The Warm Audio Transformer-Balanced 2-Channel Passive Direct Box is a professional-grade stereo DI designed to bridge the gap between high-impedance instruments and balanced microphone inputs. Engineered for stereo instruments such as keyboards, synthesizers, guitar processors, and stereo pedalboards, this unit ensures your signal reaches the mixer or audio interface without degradation.
At the heart of this DI are premium CineMag USA custom-wound transformers, which preserve the organic tonal character of your source while providing the necessary impedance conversion. Built with a rugged aluminum chassis and high-end Class-A components, it is designed to withstand the rigors of both the recording studio and the live stage.
Key Details
- Premium Signal Path: Equipped with custom-wound CineMag USA output transformers for superior sonic transparency and warmth.
- High-End Construction: Features top-quality Class-A components and gold-plated traces on the circuit board to minimize signal loss and noise.
- Variable Signal Control: Includes a negative pad adjustable from -3dB to -30dB, allowing you to dial in the perfect level for high-output sources.
- Noise Management: Integrated ground/lift switch effectively eliminates ground-loop hum and interference.
- Durable Build: Housed in a rugged aluminum enclosure designed for professional touring and studio environments.
Use Cases
- Stereo Synthesizers & Keyboards: Convert unbalanced stereo outputs to balanced mic-level signals for clean transmission over long cable runs to a FOH console.
- High-Output Modelers & Pedalboards: Ideal for guitar processors and digital modelers that provide a hot signal, utilizing the variable pad to prevent preamp clipping.
- Drum Machines & Playback Rigs: Provides transformer-isolated signal conversion for electronic percussion and backing track playback systems.
- Studio Recording: Plug instruments directly into any high-quality microphone preamp to capture a pure, balanced signal without impedance mismatch.
Installation
Setup is straightforward and requires no external power, as this is a passive device. Connect your instrument’s unbalanced outputs to the input jacks and run balanced XLR cables from the outputs to your mixer, audio interface, or PA system. If you encounter a ground loop hum, engage the ground/lift switch. For signals that are too hot for your preamp, adjust the variable pad between -3dB and -30dB to achieve optimal gain staging.
Compatibility
- Input Sources: Compatible with any high-impedance (Hi-Z) unbalanced stereo instrument.
- Output Destinations: Compatible with any standard XLR microphone input, including mixers, audio interfaces, and PA systems.
- Signal Type: Passive transformer-balanced conversion.
Additional Details
- Manufacturer: Warm Audio
- Edition: Passive 2-Channel
- Platform: Hardware
- Weight: 2.39 lbs
- Weight: 2.39
- Dimensions: 7.25" x 7.25" x 0.25"






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