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Rio3224-D2, Rio1608-D2

General specificationsRio3224-D2Rio1608-D2
Sampling frequency rateExternal44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, +4.1667%, +0.1%, –0.1%, –4.0% (±200 ppm)44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, +4.1667%, +0.1%, –0.1%, –4.0% (±200 ppm)
Signal delayLess than 1.7 ms, Rio INPUT to Rio OUTPUT connect with PM10 using Dante, Fs= 96 kHz, Dante Receive Latency set to 0.25 msecLess than 1.7 ms, Rio INPUT to Rio OUTPUT connect with PM10 using Dante, Fs= 96 kHz, Dante Receive Latency set to 0.25 msec
Total harmonic distortionLess than 0.05% 20 Hz-20 kHz@+4 dBu into 600Ω, Fs= 48 kHz, Less than 0.05% 20 Hz-40 kHz@+4 dBu into 600Ω, Fs= 96 kHz, INPUT to OUTPUT, Input Gain= Min.Less than 0.05% 20 Hz-20 kHz@+4 dBu into 600Ω, Fs= 48 kHz, Less than 0.05% 20 Hz-40 kHz@+4 dBu into 600Ω, Fs= 96 kHz, INPUT to OUTPUT, Input Gain= Min.
Frequency response+0.5, –1.5 dB 20 Hz-20 kHz, refer to +4 dBu output @1 kHz, INPUT to OUTPUT, Fs= 48 kHz / +0.5, –1.5 dB 20 Hz-40 kHz, refer to +4 dBu output @1 kHz, INPUT to OUTPUT, Fs= 96 kHz+0.5, –1.5 dB 20 Hz-20 kHz, refer to +4 dBu output @1 kHz, INPUT to OUTPUT, Fs= 48 kHz / +0.5, –1.5 dB 20 Hz-40 kHz, refer to +4 dBu output @1 kHz, INPUT to OUTPUT, Fs= 96 kHz
Dynamic range112 dB typ., DA Converter, 108 dB typ., INPUT to OUTPUT, Input Gain= Min.112 dB typ., DA Converter, 108 dB typ., INPUT to OUTPUT, Input Gain= Min.
Hum & noise levelEquivalent input noise–128 dBu typ., Input Gain= Max.–128 dBu typ., Input Gain= Max.
Residual output noise–88 dBu, ST master off–88 dBu, ST master off
Crosstalk-100dB, adjacent INPUT/OUTPUT channels, Input Gain = -6dB, @1 kHz *Measured with a 30dB/octave filter @22kHz-100dB, adjacent INPUT/OUTPUT channels, Input Gain = -6dB, @1 kHz *Measured with a 30dB/octave filter @22kHz
Power requirements100-240V, 50/60Hz100-240V, 50/60Hz
Power consumption120W72W
DimensionsW480 mm (18.9")480 mm (18.9")
H220 mm (8.7")132 mm (5.2")
D368 mm (14.5")368 mm (14.5")
Net weight13.5 kg (29.8 lbs)9.6 kg (21.2 lbs)
AccessoriesOwner’s Manual, AC power cord (250cm), Dante Virtual Soundcard Token leafletOwner’s Manual, AC power cord (250cm), Dante Virtual Soundcard Token leaflet
OthersNC Value: FAN MODE LOW: NC=20 / HIGH: NC=30 (Measurement position: 1 m from the front of the unit), Operating temperature range: 0 - 40°C, Storage temperature range: –20 - 60°CNC Value: FAN MODE LOW: NC=15 / HIGH: NC=25 (Measurement position: 1 m from the front of the unit), Operating temperature range: 0 - 40°C, Storage temperature range: –20 - 60°C

Total Harmonic Distortion is measured with 18 dB/octave filter @80 kHz
Hum & Noise are measured with A-Weight filter.
Crosstalk is measured with a 30 dB/octave filter @22 kHz

Analog Input Characteristics

Input Terminals GAIN Actual Load Impedance For Use With Nominal Input Level Connector
Nominal Max. before clip
INPUT 1-16 +66dB 7.5kΩ 50-600Ω Mics & 600Ω Lines -62dBu (0.616mV) -42dBu (6.16mV) XLR-3-31 type (Balanced)*1
-6dB +10dBu (2.45V) +30dBu (24.5V)
INPUT 17-32*2 +66dB 7.5kΩ 50-600Ω Mics & 600Ω Lines -62dBu (0.616mV) -42dBu (6.16mV) XLR-3-31 type (Balanced)*1
-6dB +10dBu (2.45V) +30dBu (24.5V)

*1. XLR-3-31 type connectors are balanced. (1= GND, 2= HOT, 3= COLD)
*2. Rio3224-D2 only
* In these specifications, 0dBu= 0.775Vrms.
* +48V DC ( phantom power ) is supplied to INPUT XLR type connectors via each individual software controlled switch.

Analog Output Characteristics

Output Terminals Actual Source Impedance For Use With Nominal Max.Output Level Select SW*1 Output Level Connector
Nominal Max. before clip
OUTPUT 1-8 75Ω 600Ω Lines +24dB (default) +4dBu (1.23V) +24dBu (12.3V) XLR-3-32 type (Balanced)*2
+18dB -2dBu (616mV) +18dBu (6.16V)
OUTPUT 9-16*3 75Ω 600Ω Lines +24dB (default) +4dBu (1.23V) +24dBu (12.3V) XLR-3-32 type (Balanced)*2
+18dB -2dBu (616mV) +18dBu (6.16V)

*1. There are switches inside the body to preset the maximum output level.
*2. XLR-3-32 type connectors are balanced. (1= GND, 2= HOT, 3= COLD )
*3. Rio3224-D2 only
* In these specifications, 0dBu= 0.775Vrms.

Digital Input & Output Characteristics

Terminals Format Data Length Level Audio Connector
Primary/Secondary Dante 24-bit or 32-bit 1000Base-T 32ch (Rio3224-D2 to other devices)
24ch (Other devices to Rio3224-D2)
16ch (Rio1608-D2 to other devices)
8ch (Other devices to Rio1608-D2)
etherCON Cat5e

Digital Output Characteristics

Terminals Format Data Length Level Connector
AES/EBU OUT 1-8*1 AES/EBU AES/EBU Professional use*1 24-bit RS422 XLR-3-32 type (Balanced)*2

*1. Rio3224-D2 only
*2. XLR-3-32 type connectors are balanced. (1= GND, 2= HOT, 3= COLD)

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