![]() added a comprehensive set of measurements of Countryman type 85 active DI, Radial J48 active DI and Tritech DB-LL1 passive DI in posts #24, #25, #26 and #27. Active units usually have more consistent distortion performance, but may add noise (and obviously require a power source ). ![]() Edcor) may not always provide sufficient noise rejection for all use-cases. The Radial JDI Stereo is a passive stereo direct box designed to handle extreme signal levels without distortion of any kind. Vigortronix transformers seem to be a solid budget choice. see the Vigotronix unit and the 'pro snake' cable). Cheaper audio transformers can still perform pretty well, but you sometimes need to be careful with input levels to keep low-frequency distortion under audible levels (e.g.financing i (8) Compare Radial ProAV1 1-channel Passive A/V Direct Box Passive 1-channel Multimedia DI with RCA, 3. Jensen units are in my experience really superb, but I also find performance of the reasonably priced Palmer unit really impressive. Radial Reamp JCR 1-channel Passive Re-Amping Device Passive Re-amping Device, Variable Output, Custom Transformer, 3-way Filter Switch, Phase Inverter, and Ground Lift 249.99 Or 11.00/month with 24 mo. Usually only very expensive ones do all three really well - e.g. Similar Listings Joyo JDI-48 Reamp and Active Direct Box IK Multimedia Z-Tone DI Direct Box for Recording Guitar Radial Pro48 Pro 48 Phantom Powered Active. I mainly grade audio transformers based on a) maximum input, b) LF distortion and c) noise rejection performance. ![]() In extreme cases of input overload/saturation we also see low-frequency FR deviations.
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