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Designed by Fred Forssel, the TDI Duo from AEA Ribbon Mics is a phantom-powered, 2-channel DI box that provides perfectly transparent conversion from unbalanced Hi-Z to balanced mic-level signals. Featuring a JFET analog buffer, Lehle stepdown transformer, and ground-lift switches for minimal noise, interference, and distortion, the TDI Duo is a robust, durable tool for handling instrument- and line-level signals in both studio and live settings.
Product Features:
- Phantom-Powered DI for Live or Studio
- Unbalanced Hi-Z to Balanced Line Level
- Ultralow Noise JFET Buffer
- Clean Lehle Stepdown Transformer
- 2 Parallel Thru Jacks, 2 I/O Channels
- Two -20 dB Pads and Ground Lifts
- Minimizes Distortion and Interference
- Avoids Tone Suck in Long Cable Runs
- Durable Steel Chassis
- Made in the USA
Featuring a proprietary circuit designed by Fred Forssel, the TDI Duo from AEA Ribbon Mics is a phantom-powered, 2-channel DI box that supports perfectly transparent conversion from unbalanced Hi-Z to balanced mic-level signals. With Thru jacks for amplifiers and a -20 dB pad for handling hot signals, the TDI Duo is an indispensable tool for the studio or stage.
The TDI offers extremely low noise, interference, and distortion thanks to its JFET analog buffer and superclean Lehle stepdown transformer. Ground-lift switches are provided for eliminating any remaining hum or noise that can arise from grounding loops. Though designed for instrument-level signals generated by passive pickups, the TDI Duo also works great with line-level signals from drum machines, samplers, and synths. Made in the USA, the TDI Duo is built to last with a durable steel chassis, ideal for tours, stage backlines, and years of rigorous studio use.
Simple Use
The straight-forward design of the TDI Duo makes setup and usage simple. Power for the TDI Duo is supplied with standard 48V to the XLR output.
Simply plug the 1/4” cable from your instrument into the input jack of the TDI, and connect the output via XLR to the next device in your signal chain (preamp, PA, audio interface, etc.), then engage phantom power. With two channels, you can send stereo or dual-mono signals down the line, or send signals to two different locations, which can be particularly useful in live scenarios.
Thru Jack
Optionally, you can also use the Thru jacks to send your instrument signal to other instrument-level sources, such as amplifiers. The through-put feature is also useful for simultaneous wet/dry signal tracking.
For more information on this or any other AEA Ribbon Mics product, visit www.aearibbonmics.com.
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