Rupert Neve Designs RNDI-S Handleiding


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RNDI-S Specications
Noise (Measured Output, Un-weighted, Source Impedance 150 ohms)
22Hz - 22kHz Better than -110dBV
Input Impedance
Instrument Input 2.2 Megohm
3.5mm Input 95 Kilohm
Output Impedance Less than 40 Ohms
Frequency Response
+/- 0.25 dB 30 Hz - 63 kHz
+/- 1dB 12.5 Hz - 120 kHz
-3dB 5 Hz
Maximum Input Level
Instrument Input +20.5 dBu Typical
Maximum Output Level +11.5 dBu Typical
Total Harmonic Distorion + Noise
@ 1 kHz, +20 dBu Input Level, no load 0.35% Typical (2nd and 3rd Harmonic)
@ 1 kHz, -20 dBu Input Level, no load 0.009% Typical (2nd and 3rd Harmonic)
@ 20 Hz, -20 dBu Input Level, no load 0.9% Typical (2nd and 3rd Harmonic)
Crosstalk @ 10 kHz
Instrument Input -115 dB
3.5 mm Input -108 dB
Power Requirements
Phantom Powered 4.5mA Per Channel @ 48VDC
19” Rack Shelf Mounting Option 4 hole pattern (bottom of unit) for 6-32 machine screws
RNDI-S
Two Channel Active Transformer Direct Interface
User Guide
LIFT
GND
LIFT
GND
OUTPUT OUTPUT 2 1
Active Transformer
Direct Interface
Rupert Neve Designs, LLC
RNDI-S
Made in USA
CH 2 Ground Lift
Isolates CH 2 XLR Pin 1
from ground
CH 1 Ground Lift
Isolates CH 1 XLR Pin 1
from ground
CH 2 Output
Transformer balanced
XLR Output.
Impedance < 40Ω
CH 1 Output
Transformer balanced
XLR Output.
Impedance < 40Ω
Front Panel
Rear Panel
RNDI-S Overview
The RNDI-S is designed to provide instrument (electric guitar, bass, keyboard, piezo pickup, etc.) direct injection. The discrete Class-A
circuit topology found in the RNDI-S is based around Mr. Rupert Neve’s custom transformers, allowing for outstanding sonic perfor-
mance and excellent noise rejection. The RNDI-S can handle extremely high input levels without clipping (up to +20.5 dBu), and the
transformer-coupled output has a low impedance of less than 40 Ohms, thereby allowing the RNDI-S to drive long lines with min-
imal loss. The RNDI-S chassis is a formed steel clamshell” construction designed to stand up to the rigors of stage and studio use.
Usage Notes
Power needs to be supplied independently to both channels of the RNDI-S by standard 48V Phantom Power via the XLR output con-
nectors. 48V Power Status is indicated by two independent front panel LEDs. Avoid placing this direct box near strong electromag-
netic elds (such as those radiated by power ampliers) 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 conguration, the
DI converts the impedance of the instrument signal, balances the signal, and provides a buered 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 benet from the balancing functionality that the RNDI-S has to oer.
User Guide P/N: 775-00032 Rev. A
48V
POWER
48V
POWER
IN THRU INPUTS
3.5MM
1/4”
IN THRU
Rupert Neve Designs
1 2
1/4” CH 1 Instrument Input
Hi-Z Unbalanced Input
2.2 MΩ Input Impedance
1/4” CH 1 Thru
Parallel 1/4” jack
used to send
signal to an amp
Input Select
Selects 1/4” Input
or 3.5mm Input
3.5mm Input
Stereo Unbalanced Input
95 kΩ Input Impedance
CH 1 = Tip, CH 2 = Ring
48V CH 1 Power
Power status LED for CH 1
1/4” CH 2 Instrument Input
Hi-Z Unbalanced Input
2.2 MΩ Input Impedance
48V CH 2 Power
Power status LED for CH 2
1/4” CH 2 Thru
Parallel 1/4” jack used to
send signal to an amp


Product specificaties

Merk: Rupert Neve Designs
Categorie: Niet gecategoriseerd
Model: RNDI-S

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