Featuring a proprietary circuit designed by Fred Forssel, the TDI from AEA Ribbon Mics is a phantom-powered DI box that supports perfectly transparent conversion from unbalanced Hi-Z to balanced mic-level signals. With a Thru jack for amplifiers and a -20 dB pad for handling hot signals, the TDI 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. A ground-lift switch is also 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 also works great with line-level signals from drum machines, samplers, and synths. Made in the USA, the TDI is built to last with a durable steel chassis, ideal for tours, stage backlines, and years of rigorous studio use.

Phantom-Powered DI for Live or Studio    Unbalanced Hi-Z to Balanced Line Level    Ultralow Noise JFET Buffer    Clean Lehle Stepdown Transformer    Parallel Thru Jack    -20 dB Pad and Ground Lift    Minimizes Distortion and Interference    Avoids Tone Suck in Long Cable Runs    Durable Steel Chassis    Made in the USA

The straight-forward design of the TDI makes setup and usage simple. Power for the TDI 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.

Optionally, you can also use the Thru jack 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.

Related Questions and Answers

Q: 1. Can i use phantom power with it to power another device who need it like a pedal whom connect with an XLR connector ?

A: The A-Designs REDDI Mono All-Tube Direct Box with Throughput (BH # ADREDDI) is powered via the included IEC Power Cord. Phantom power is not provided by this device.

Q: 2. Can this accept mic level signals on XLR inputs 1&2? I want to use this on my mixer end for two mic signals to line level inputs

A: No. The ART Dual RDB Dual Re-Amping Direct Box accepts line level input only, as it does not include any mic preamps. The Dual RDB outputs mic level or instrument level audio signal. You could use a device like the Rolls MX310 MorMics 3-Channel Mic Mixer/Combiner (B&H # ROMX310), which will allow you to connect up to three XLR microphones and it has a single XLR output that is switchable for mic level or line level output.

Q: 3. Can the RCA and 1/4 inputs be used at the same time? If so are the signals mixed together for xlr outputs?

A: Technically yes, you could use those two inputs at the same time. However, the audio coming out of the XLR's would be mixed together, and potential phase cancellation could occur from combing audio sources in such a manner.

Q: 4. Does this also take the place of adapter for lastolite softboxes?

A: No, it does not. It is made to connect accessories such as the Lastolite Snoot.

Q: 5. Why do the specs say it needs phantom power? Is that correct?

A: Seems like an error. This is a passive device and no power of any sort is required.

Q: 6. Will the Kopul be recognized as an audio output device on my Windows 7 laptop?

A: Yes, the Kopul USB to Audio Direct Box will be recognized as an audio output device on a laptop computer that is running Windows 7.

Q: 7. Can I send phantom power in it to power and another device as a pedal that need it ?

A: No, the A-Designs REDDI Mono All-Tube Direct Box with Throughput does not let Phantom Power pass through the device.

Q: 8. What are the main differences between X-Active 8x25 and the older Minox BV 8x25 (62059) they replaced? I compared the specs and can see the X-Active are a few ounces lighter but not much else. Are there any differences in terms of optics?

A: Newer coatings and a newer procedure to put the coating on the elements. Increases light transmission and colors

Q: 9. So it's two controllers and a foam thing for the headset?

A: The Meta Quest 2 Active Pack (B&H # MEQ2APM) includes two wrist straps for the Meta Quest 2's controllers and a wipeable facial interface for the Meta Quest 2's headset. This listing is not for controllers, but rather for accessories for the controllers and headset.

Q: 10. How does it compare in terms of quality with the Klark Teknik DI10P also offered in this website? Tech specs of DI-10P seem more comprehensive

A: Between the two units, the Klark Teknik would be the better buy due to the Midas designed transformers and a wider frequency response.