Get FREE shipping on all orders!
Fast FREE shipping on all orders!
Eligible to earn $19.95 for this purchase
OR8 Payments of $49.88
6 Payments of $66.50
No Credit Check
Compare! Here are all the serial numbers of this model we have in stock. Compare them all and select your favorite!
Have questions?
Talk to a sales specialist!
The RNDI delivers a powerful and vibrant direct sound capable of reproducing the full harmonic depth of basses, guitars, acoustic instruments, and professional line level sources. The RNDI’s signature sound is the product of new custom Rupert Neve-designed transformers and class-A biased, discrete FET amplifiers. With portable, powerful, larger-than-life tone for your instrument and amplifier signals, the RNDI is truly the first standalone DI worthy of the Rupert Neve name.
Rupert Neve Designs RNDI Active Transformer DI Features
Groundbreaking Direct Tone
Huge Headroom
Rugged Solid-Steel Frame
Takes All Kinds
Drive Longer Lines
1/4" THRU Output
Best in Class Phase Coherence
Ground Lift
Phantom Powered
The Development
After coming into existence during an experimentation with new transformer designs, the RNDI was fine-tuned over a series of listening tests against the the most popular high-end DIs available. It was in these tests where the RNDI always seemed to add another dimension to the sound and bring the instruments to life. The lows felt richer, deeper and fuller, and the highs had outstanding clarity without any added harshness. Most importantly, the design team noted: "As musicians, the RNDI consistently stood out as the DI we wanted to play through."
The Elements of Direct Tone
The RNDI’s signature sound is the product both of new custom Rupert Neve-designed transformers and class-A biased, discrete FET amplifiers. The carefully orchestrated union of these two elements is key to the RNDI’s unique response.
The transformers provide superior passive isolation while adding musical harmonics and dimension to the sound. The low impedance, transformer balanced output excels at driving long cable runs, and performance is immensely consistent regardless of the connected equipment. This is very important for both live and studio environments where the unamplified signal may travel almost 100ft before hitting an amplifier. In other designs, these high capacitance lines cause major reductions in high frequencies, however the output stage of the RNDI unrivaled at handling long runs with minimal losses.
The class-A and discrete FET amplifier in the RNDI is powered by industry-standard 48V phantom power on the XLR connection, and creates a very high impedance input of 2M Ohms that ensures consistent performance with a wide variety of instruments. The significance of the RNDI’s class-A design is that there is no crossover distortion added to the signal, which can add upper order odd harmonics to the sound that are musically dissonant in nature. With the RNDI, the overwhelming majority of harmonic content is 2nd order (octave) with some 3rd order present (fifth above octave). These musically relevant harmonics – present in subtle amounts – actually add to the richness of the original signal. The discrete aspect of the RNDI design means there are no ICs or digital components that can have negative effects on the tone.
These efforts to harmonize the performance of the transformer and the FET amplifier have resulted in the RNDI’s extremely well balanced response. The low end tonality is thick and powerful, with frequency response several octaves below audibility. The high end is clear, present, and smooth, with a frequency response extending beyond 100kHz. The phase coherence is unrivaled at all frequencies, which keeps the sound as natural as possible – especially vital when blending the direct signal with a microphone capture of the same source. Simply put, there is no DI ever made that performs like the RNDI.
Game-Changing Headroom
In instrument mode, the RNDI’s high input headroom of +21.5dBU is capable of handling not only instruments, but professional, line level sources like interfaces, CD players and drum machines without a pad. This allows the RNDI to serve as a way to "Re-Preamp" any previously recorded track using your interface and a desired pre-amp. To do this, simply connect a channel output of the interface to the input of the RNDI and connect the RNDI’s output to the preamp and engage 48V. By "Re-Preamping" you can apply the tone of another preamp to the source and more accurately automate or control the drive level on the preamp.
In speaker mode, the RNDI can handle the screaming output of a 1000-watt power amplifier (92 Vrms or 266Vp-p) to capture the full tone of the instrument, preamplifier, EQ, inserts, and the amplifier’s output stages before it hits the speakers. This technique allows the engineer to avoid any bleed in a live environment and any unwanted tone added by the speaker cabinet or microphone. When used with modern speaker emulation plug-ins, this technique allows the engineer to take advantage of both the flexibility of digital modeling and the superior non-linear response of an actual analogue amplifier.
Speaker and Instrument Mode User Notes
In a speaker feed configuration, the DI is used post-power amplifier to capture the tone of the preamp and power amp. Be sure to switch the RNDI input level to speaker and connect the amplifier and speaker BEFORE turning the amplifier on.
Note: with tube power amps, THE SPEAKER MUST BE CONNECTED to the THRU connection to provide a load for the amplifier. Please read your amplifier’s manual to discern its range of acceptable loads. Solid state amps can generally be run without a speaker connected, although you should always consult your amplifier’s manual to be sure. The RNDI can handle the full amplified output of a 1000W amp, so you can confidently drive the output stages of any amp less than 1000W to get your desired tone.
In an instrument configuration, the DI converts the impedance of the instrument signal, balances the signal (if unbalanced), provides a buffered output stage to send to a separate mic preamp, and optionally sends the THRU connection to the amp input. To get the best performance out of your RNDI, we recommend you use the best available cables and mic preamps, and output the maximum level from your instrument. The instrument connects to the IN jack, and if you want to feed an amplifier, connect the THRU output to your amplifier’s input. The output of the RNDI in both instrument and speaker mode feeds a separate preamp for final gain.
CALIFORNIA PROPOSITION 65 WARNING
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
| Item #: | RND RNDI |
|---|---|
| Manufacturer Part Number: | RNDI |
| UPC: | 752423657315 |
| Product Specifications | Rupert Neve Designs RNDI Active Transformer DI Specifications
Measured Output, un-weighted, 22Hz-22kHz, source impedance 150 Ohms to 10K Ohms Better than -110dBV Input Impedance Instrument Setting: 2.2 Meg Ohm Speaker Setting: 200k Ohm Output Impedance Less than 40 Ohms Frequency Response +/- 0.25dB from 25Hz – 44kHz +/- 1dB from 12.5Hz – 63kHz -3dBu @ 92kHz Maximum Input Level Instrument = +21dBu Typical Speaker = +41.5dBu, 92 Vrms (266Vp-p) Maximum Output Level +11.5dBu output at maximum input level Total Harmonic Distortion plus Noise @ 1kHz, +20dBu input level: 0.25% Typical (2nd and 3rd harmonic) @ 1kHz, -20dBu input level : 0.015% Typical (2nd and 3rd harmonic) @ 20Hz, -20dBu input level : 0.75% Typical (2nd and 3rd harmonic) Power Requirements Phantom power, 4.5mA @ +48VDC Weight 1.5lbs Dimensions 6.25” long x 4”wide x 1.5” high |
When you visit our website, we store cookies on your browser to collect information. The information collected might relate to you, your preferences or your device, and is mostly used to make the site work as you expect it to and to provide a more personalized web experience. However, you can choose not to allow certain types of cookies, which may impact your experience of the site and the services we are able to offer. Click on the different category headings to find out more and change our default settings according to your preference. You cannot opt-out of our First Party Strictly Necessary Cookies as they are deployed in order to ensure the proper functioning of our website (such as prompting the cookie banner and remembering your settings, to log into your account, to redirect you when you log out, etc.). For more information about the First and Third Party Cookies used please follow this link.
More information
These cookies are necessary for our website to function and cannot be switched off in our systems. They are usually only set in response to your requests for services, such as setting your privacy preferences, logging into your account, or filling in forms. You can manually set your browser to block or alert you about these cookies, but it will prevent parts of our site from working as expected. These cookies do not store any personally identifiable information.
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us identify which pages are the most and least popular and see how visitors move around our site. All the information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies, we will not know when you have visited our site and will not be able to monitor its performance.
These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, then some or all of these services may not function properly.
Under the California Consumer Privacy Act, you have the right to opt-out of the sale of your personal information to third parties. These cookies collect information for analytics and to personalize your experience with targeted ads. You may exercise your right to opt out of the sale of personal information by using this toggle switch. If you opt out we will not be able to offer you personalised ads and will not hand over your personal information to any third parties. Additionally, you may contact our legal department for further clarification about your rights as a California consumer by using this Exercise My Rights link.
If you have enabled privacy controls on your browser (such as a plugin), we have to take that as a valid request to opt-out. Therefore we would not be able to track your activity through the web. This may affect our ability to personalize ads according to your preferences.
Select All
