The RNDI-S' signature sound is the product of custom Rupert Neve Designs transformers and class-A biased, discrete FET amplifiers. The carefully orchestrated union of these two elements is key to the unique response of the RNDI-S, delivering a powerful and vibrant direct sound capable of reproducing the full harmonic depth of basses, guitars, keyboards, acoustic instruments, professional line-level sources and consumer devices with a 3.5mm jack. With portable, powerful, larger-than-life tone, the RNDI-S is ready to make your stereo or mono direct sources shine.
Power needs to be supplied independently to both channels of the RNDI-S by standard 48V Phantom Power via the XLR output connectors. 48V Power Status is indicated by two independent front panel LEDs. Avoid placing this direct box near strong electromagnetic fields (such as those radiated by power amplifiers) to reduce any chance of picking up noise. If you are experiencing hum on the RNDI-S outputs, try switching the RNDI-S ground lifts as well as ground lifts on other devices in your signal chain. If this doesn't alleviate the issue, remove individual devices from the same power circuit to isolate the source of the problem.
The RNDI-S has two available sets of inputs: the 1/4" unbalanced instrument jacks and the 3.5mm Stereo unbalanced jack. A front panel switch allows the user to select the 1/4" instrument jacks or the 3.5mm jack inputs. In the instrument jack configuration, the DI converts the impedance of the instrument signal, balances the signal, and provides a buffered output to send to a separate mic preamp. In addition, the 1/4" THRU jack is available to connect the RNDI-S to your amp input. To guarantee the best performance, we recommend that you utilize the best available cables and mic preamps.
The 3.5 mm Stereo unbalanced jack is available for 3.5mm stereo sources, which connects the left channel (Tip) to CH 1 and the right channel (Ring) to CH 2. 3.5mm sources will benefit from the balancing functionality that the RNDI-S has to offer.