Focusrite RED 8 Pre
Red represents the pinnacle of Focusrite’s interface range. Red 4Pre combines four of Focusrite’s digitally-controlled, 'Air' enabled, Red Evolution mic preamps with dual Thunderbolt 2, Pro Tools | HD and Dante network audio connectivity. Featuring 'parallel path summing' conversion and beautiful yet robust design, the Red 4Pre interface is the perfect balance of form and function, delivering the sound quality and versatility engineers and producers expect from Focusrite.
Thunderbolt or Pro Tools|HD
Red 8Pre features both Thunderbolt 2 connectivity and dual mini-DigiLink ports allowing you the best of both Core Audio and Pro Tools|HD workflows. Take Red 8Pre on the road for location recording over Thunderbolt then connect the same interface to Pro Tools|HDX or Pro Tools|HD Native back at the studio for mixdown. Switch easily between Pro Tools | HD and any Thunderbolt-connected DAW with Host Mode. The combination of low-latency conversion and driver technology allows real-time foldback mixes to be created in the DAW while you continue to use your native plug-ins. Unlike many interfaces, both mini-DigiLink and Thunderbolt 2 connectivity comes as standard, so there’s no need to buy an additional option card.
Eight Red Evolution Mic Pres
Focusrite’s Red Evolution mic pres draw on many decades of design prowess as well as many of the elements behind the incredibly popular RedNet mic pre used in many studios, broadcast facilities and live performances around the world. The digitally-controlled mic pres deliver a clear and honest sound with very low noise and plenty of gain available for the most-quiet of sources. They can be controlled from the front panel or remotely over Thunderbolt using Focusrite Control. Additionally the mic pre settings can be saved and recalled allowing you to quickly re-setup for your next session. They also include our unique ‘Air’ effect, recreating the sound of the transformer-based mic preamps in the ISA and original Red ranges. When ‘Air’ is enabled, the microphone impedance is lowered and the sound is given a subtle mid-high boost – all in the analogue domain.
Tech Spec
Simultaneous Inputs & Outputs
Channel Count |
Up to 64 x 64 |
System Requirements
Computer |
Apple Mac with at least one Thunderbolt or Thunderbolt 2 port (2m Thunderbolt cable included) |
Other |
Internet connection for downloading and installing software and driver |
OS Compatibility |
Please visit our OS Compatibility Checker for more information on supported operating systems. |
Microphone Inputs
All measurements taken at maximum gain unless otherwise stated, Rs = 150Ω
Gain Range |
0-8dB to 63dB in 1dB steps |
Type |
Electronically Balanced, Zin = 6.2kΩ |
Max. Input Level |
+19dBu ±0.5, min gain |
Min. Input Level |
-44dBu ±0.5 |
Frequency Response |
20Hz - 35kHz ±0.2dB, min gain |
THD + N |
-101dB (0.0009%) @ -1dBFS (@ 11dB Gain) |
EIN |
-129dBu 'A'-Weighted (typical) |
Signal-to-Noise Ratio |
119dB 'A'-Weighted (typical), min gain |
Common-Mode Rejection Ratio |
50/60Hz CMRR: -70dB |
Phantom Power |
+48V, independently switchable per channel. |
HPF |
High-Pass Filter (HPF): -3dB @ 80 ± 3Hz, 12dB/Octave, independently switchable per channel |
Air Mode |
2dB boost at 10kHz and -2dB at 20Hz (ref 1kHz). Input impedance drop to 2.2kΩ |
Line Inputs 1-8
All measurements taken at maximum gain unless otherwise stated, Rs = 50Ω
Type |
Electronically Balanced, Zin = 10kΩ |
Max. Input Level |
+27dBu ±0.5, min gain |
Min. Input Level |
-36dBu ±0.5 |
Frequency Response |
20Hz - 35kHz ±0.2dB, min gain |
THD + N |
-101dB (0.0009%) @ -1dBFS (@ 11dB Gain) |
Signal-to-Noise Ratio |
119dB 'A'-Weighted (typical), min gain |
Common-Mode Rejection Ratio |
50/60Hz CMRR: -70dB |
HPF |
High-Pass Filter (HPF): -3dB @ 80 ± 3Hz, 12dB/Octave, independently switchable per channel |
Air Mode |
2dB boost at 10kHz and -2dB at 20Hz (ref 1kHz) |
Line Inputs 9-16
All measurements taken at fixed input gain, Rs = 50Ω
0 dBFS Reference Level |
+27dBu ±0.5 |
Type |
Electronically Balanced, Zin = 20kΩ |
Frequency Response |
20Hz - 35kHz ±0.2dB |
THD + N |
-104dB (0.0006%) @ -1dBFS |
Signal-to-Noise Ratio |
119dB 'A'-Weighted (typical) |
Common-Mode Rejection Ratio |
50/60Hz CMRR: -70dB |
Instrument Inputs
All measurements taken at maximum gain unless otherwise stated, Rs = 600Ω
Gain Range |
0-8dB to 63dB in 1dB steps |
Type |
Zin = 2.3MΩ |
Max. Input Level |
+15dBu ±0.5, min gain |
Min. Input Level |
-48dBu ±0.5 |
Frequency Response |
20Hz - 35kHz ±0.2dB, min gain |
THD + N |
-94dB (0.002%) @ -1dBFS (@ 11dB Gain) |
Signal-to-Noise Ratio |
117dB 'A'-Weighted (typical), min gain |
HPF |
-3dB @ 80 ± 3Hz, 12dB/Octave, independently switchable per channel |
Air Mode |
2dB boost at 10kHz and -2dB at 20Hz (ref 1kHz) |
Line Outputs 3-18
All measurements taken at maximum output level, RL = 100kΩ
0 dBFS Reference Levels |
+18dBu ±0.5 |
Frequency Response |
20Hz - 35kHz ±0.2dB |
THD + N |
<-102dB (0.0008%) unweighted, 20Hz - 20kHz; -1dBFS input |
Dynamic Range |
121dB 'A'-weighted (typical), 20Hz - 20kHz |
Output impedance |
Nominal output impedance = 136Ω balanced (68Ω each phase) |
Monitor Outputs
All measurements taken at maximum output level, RL = 100kΩ
Frequency Response |
20Hz - 35kHz ±0.2dB |
Dynamic Range |
+120dB (A-Weighted) |
Maximum Output Level (0 dBFS) |
+18dBu ±0.5 |
THD+N |
<-78dB (0.0012%) unweighted, 20Hz - 20kHz; -1dBFS input |
Stereo Level Balance |
±0.02dB @ 997Hz |
Output impedance |
Nominal output impedance = 136Ω balanced (68Ω each phase) |
Headphone Output
All measurements taken at maximum output level, RL = 600Ω
0 dBFS Reference Levels |
+16dBm ± 0.1dB |
Frequency Response |
20Hz - 20kHz ±0.2dB |
THD + N |
<-75dB (0.018%) unweighted, 20Hz - 20kHz |
Stereo Level Balance |
±0.05dB @ 997Hz |
Dynamic Range |
114dB 'A'-weighted (typical), 20Hz - 20kHz |
Output Impedance |
10Ω |
Headphone Impedance |
32Ω - 600Ω |
Crosstalk
Microphone Crosstalk
Mic Input to Input |
< -70dB; 20Hz - 20kHz (driven channel at -20dBFS) |
Mic Input to Output |
< -100dB; 20Hz - 20kHz (driven channel at -20dBFS) |
Output to Mic Input |
< -130dB; 20Hz - 20kHz (driven channel at -20dBFS) |
Line Crosstalk
Line Input to Line Input |
< -60dB; 20Hz - 20kHz (driven channel at -20dBFS) |
Line Input to Output |
< -100dB; 20Hz - 20kHz (driven channel at -20dBFS) |
Output to Line Input |
< -115dB; 20Hz - 20kHz (driven channel at -20dBFS) |
Output Crosstalk
Output to Output |
< -100dB; 20Hz - 20kHz (driven channel at -20dBFS) |
Headphone Crosstalk
Headphone to Headphone |
< -75dB; 20Hz - 20kHz (driven channel at -20dBFS) |
Digital Performance
Supported Sample Rates |
44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz at 24 bit |
Clock Sources |
Internal, ADAT, S/PDIF, Word Clock, Loop Sync or from Dante Network Master |
Front Panel Connectivity
Instrument Inputs
Channel Count |
2 Channels In |
Instrument Inputs |
2 x 1/4" TS stereo jack |
Headphone Outputs
Channel Count |
2 Stereo Channels Out |
Headphone Outputs |
2 x 1/4" TRS stereo jack |
Rear Panel Connectivity
Thunderbolt
Channel Count |
Up to 64 In and 64 Out |
Thunderbolt Ports |
2 x Thunderbolt Ports (Primary Port 1 and Primary Port 2) |
Pro Tools|HD
Channel Count |
Up to 64 In and 64 Out (32 In and 32 Out per connection) |
Primary Port |
2 x Mini DigiLink |
Dante
Channel Count |
Up to 32 In and 32 Out |
Input and Output |
2 x ethernet standard RJ45 connectors (Compatible with Cat 5e and above). |
Mic Inputs
Channel Count |
8 In |
Input |
1 x DB-25 connectors (AES59) |
Line Level
Channel Count |
16 In and 16 Out |
Input |
2 x DB-25 connectors (AES59) |
Output |
2 x DB-25 connectors (AES59) |
ADAT
Channel Count |
Up to 16 In and 16 Out |
Input |
2 x TOSLINK connector |
Output |
2 x TOSLINK connector |
Channel Assignments @ 44.1 kHz, 48 kHz |
Port 1 = Channels 1 - 8 , Port 2 = Channels 9 - 16 |
Channel Assignments @ 88.2 kHz, 96 kHz |
SMUXI: Port 1 = Channels 1 - 4, Port 2 = Channels 5 - 8 |
Channel Assignments @ 176.4 kHz, 192 kHz |
SMUXII: Port 1 = Channels 1 - 2 , Port 2 = Channels 3 - 4 |
S/PDIF
Channel Count |
2 In and 2 Out (Optical up to 96kHz) |
Input |
1 x RCA phono socket (1 x TOSLINK up to 96kHz) |
Output |
1 x RCA phono socket (1 x TOSLINK up to 96kHz) |
Monitor Outputs
Channel Count |
2 Out |
Montor Outputs |
2 x 1/4" TRS stereo jack |
Loop Sync
Loop Sync Input |
1 x BNC 75Ω port |
Loop Sync Output |
1 x BNC 75Ω port |
Word Clock
Word Clock Input |
1 x BNC 75Ω port |
Word Clock Output |
1 x BNC 75Ω port |
PSU
PSU |
1 x IEC Input |
Front Panel Indicators
OLED Screens |
3 x Screens (menus and metering) |
Control Functions |
2 x Encoders (menu navigation, channel functions (Gain, +48V, Phase, HPF, Air and Mic/Line/Inst) monitor and headphone outputs (Level, Mute and Dim)). 12 x Switches (control over OLED menus & metering) |
Dimensions
Height |
44mm/ 1.73" |
Width |
483mm/ 19.02" |
Depth (Chassis Only) |
340mm/ 13.39" |
Weight
Weight |
5.14kg |
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