Legendary tone, unquestionable reliability. Eight channels of the superb-sounding RNDI in one rack space.
With over 25,000 channels shipped since its launch in 2015, the RNDI is firmly established as the direct interface of choice for many of the world’s most discerning musicians and engineers. Its custom transformers and discrete FET amplifiers deliver a vibrancy and clarity that captures the full harmonic depth of any source, and its unquestionable reliability has led to its adoption by thousands of touring artists.
The RNDI-8 puts eight channels of this beloved circuit into a single rack space, making it the ideal solution for high-end stage rigs, studios, and synth enthusiasts. With the RNDI-8, stunning direct sound doesn’t require extra work – it’s just there.
 
SPECIFICATIONS
 
Note: All specifications are typical.
Input Impedance
Instrument Input: 2.2 MΩ
-10dB PAD Engaged: 200 kΩ
Output Impedance
Less than 40 Ohms
Maximum Input Level @ 1kHz
Instrument Input: +21 dBu
-10dB PAD Engaged: +31 dBu
Maximum Output Level @ 1kHz
+11 dBu 
Frequency Response (30 ft. output cable, 10k equivalent load)
+/- 0.25 dB: 28 Hz - 50 kHz
+/- 1 dB: 14 Hz - 90 kHz
-3 dB: 5 Hz
Noise (Measured Output, Un-weighted BW 22Hz - 22kHz, Source Impedance 150 ohms)
Better than -110 dBV
Total Harmonic Distortion + Noise (THD+N%)
@ 1 kHz, +20 dBu Input Level: 0.35% Typical (2nd and 3rd Harmonic)
@ 1 kHz, -20 dBu Input Level: 0.009% Typical (2nd and 3rd Harmonic)
@ 20 Hz, -20 dBu Input Level: 0.9% Typical (2nd and 3rd Harmonic)
Power Requirements
Phantom Powered, 4.5mA Per Channel @ +48VDC
19” Rack Mounting Option
1RU reversible bolt-on rack ears
Product Dimensions (W x D x H): 19” (48.3 cm) x 8.125” (20.63 cm) x 1.75” (4.5 cm)
Shipping Dimensions (L x W x H): 24” (61 cm) x 13” (33 cm) x 4” (10.2 cm)
Shipping Weight: 9 lbs. (4.1 kg)