Data Sheet

*1 Total harmonic distortion is measured with a 18dB/Oct filter @80kHz.
*2 Hum & noise level are measured with A-Weight filter.
*3 Crosstalk is measured with a 30 dB/octave filter @22kHz.
** Including rubber feet.
*1 There are switches inside the body to preset the maximum output level.
*1 Rio3224-D only
Rio Series
I/O Rack
5U
1U
1U
3U
Rio3224-D
Ri8-D
Ro8-D
Rio1608-D
High-performance remote I/O for CL series and other digital mixing consoles.
• Sonic performance that brings out the best in any system
• Dante network protocol contributes to greater system scalability and flexibility
• Support for CL series consoles as well as other Dante based systems
• Automatic digital-stage compensation for analog gain changes (CL series only)
• Four models flexibly accommodate any system requirements
GENERAL SPECIFICATIONS
Sampling frequency rate
External: 44.1kHz (+4.1667%, +0.1%, -0.1%, -4.0%) ±200ppm
48kHz (+4.1667%, +0.1%, -0.1%, -4.0%) ±200ppm
88.2kHz (+4.1667%, +0.1%, -0.1%, -4.0%) ±200ppm
96kHz (+4.1667%, +0.1%, -0.1%, -4.0%) ±200ppm
Signal Delay Less than 3ms INPUT to OUTPUT, connect with CL5 using Dante,
Dante Receive Latency set to 0.25ms (one way), Fs=48kHz
Total harmonic distortion *
1
Less than 0.05% 20Hz-20kHz@+4dBu into 600Ω, Fs=44.1kHz, 48kHz
Less than 0.05% 20Hz-40kHz@+4dBu into 600Ω, Fs=88.2kHz, 96kHz
INPUT to OUTPUT Input Gain=Min.
Frequency response +0.5, -1.5dB 20Hz-20kHz, refer to +4dBu output @1kHz, INPUT to
OUTPUT, Fs=44.1kHz, 48kHz
+0.5, -1.5dB 20Hz-40kHz, refer to +4dBu output @1kHz, INPUT to
OUTPUT, Fs=88.2kHz, 96kHz
Dynamic range 108dB typ., INPUT to OUTPUT, Input Gain = Min.
Hum & noise level*
2
Rs=150Ω
-128dBu Equivalent input noise, Input Gain=Max.,
-88dBu Residual output noise, ST master off
Crosstalk (@1kHz) -100dB*
3
, Adjacent INPUT/OUTPUT channels
Input Gain=Min.
Phantom Power +48V
Power requirements AC110V-240V, 50/60Hz
Power consumption Rio3224-D: 120W
Rio1608-D: 70W
Ri8-D: 35W
Ro8-D: 35W
Temperature Range Operating temperature range: 0 - 40°
Storage temperature range: -20 - 60°
Dimensions (W x H x D)
Rio3224-D: 480mm x 232mm** x 362mm(18 7/8in x 9 1/4in x 14 1/4in)
Rio1608-D: 480mm x 144mm** x 362mm(18 7/8in x 5 3/4in x 14 1/4in)
Ri8-D: 480mm x 44mm x 362mm(18 7/8in x 1 3/4in x 14 1/4in)
Ro8-D: 480mm x 44mm x 359mm(18 7/8in x 1 3/4in x 14 1/4in)
Weight Rio3224-D: 12.4kg (27.3lb)
Rio1608-D: 8.8kg (19.4lb)
Ri8-D: 4.5kg (9.9lb)
Ro8-D: 4.4kg (9.7lb)
ANALOG INPUT SPECIFICATIONS
ANALOG OUTPUT SPECIFICATIONS
Input terminal GAIN
Actual load
impedance
For use with
nominal
Input level
Connector
Nominal
Max.
before clip
INPUT
1-32 (Rio3224-D)
1-16 (Rio1608-D)
1-8 (Ri8-D)
+66dB
7.5k Ω
50-600Ω Mics
& 600Ω Lines
-62dBu -42dBu
XLR3-31 type
-6dB +10dBu +30dBu
Output terminal
Actual source
impedance
For use with
nominal
Max.Output
Level
Select SW*
1
Output terminals
Connector
Nominal
Max.
before clip
OUTPUT
1-16 (Rio3224-D)
1-8 (Rio1608-D,
Ro8-D)
75Ω 600Ω Lines
+24dB
(default)
+4dBu +24dBu
XLR3-32 type
+18dB -2dBu +18dBu
DIGITAL I/O SPECIFICATIONS
DIGITAL OUTPUT SPECIFICATIONS
Terminal Format Data length Level Audio Connector
Primary /
Secondary
Dante 24bit or 32bit 1000Base-T
24ch Input/32ch Output (Rio3224-D)
8ch Input/16ch Output (Rio1608-D)
8ch Output (Ri8-D)
8ch Input (Ro8-D)
etherCON Cat5e
(Rio3224-D, Rio1608-D)
RJ-45 (Ri8-D, Ro8-D)
Terminal Format Data length Level Connector
AES/EBU OUT 1-4*
1
AES/EBU AES/EBU Professional Use 24bit RS422 XLR3-32 type
Rear Panel
Rear Panel
Rear Panel
Rear Panel
32 in/16 out,
4 AES/EBU out
8 in
8 out
16 in/8 out