Focusrite ISA C8X USB Zvučna Kartica
26-in, 28-out USB-C audio interface with eight preamps, including two ISA transformer mic preamps
ISA C8X combines the trademark ISA sound with comprehensive remote control and all the analogue and digital I/O, routing, and recallability you need to run your entire studio, plus switchable impedance, balanced inserts, and high-pass filtering. The first two channels feature ISA preamps with classic Lundahl LL1538 transformers and Console and 430 Air modes for new tonal options. All eight are fully controllable from the front panel and via Focusrite Control 2.
Key features
• 2U rack-mounted, 26-in/28-out USB-C audio interface
• Eight remote-controlled preamps with up to 79dB of gain, two of which are ISA preamps with Lundahl LL1538 transformers
• All-analogue Console and 430 Air modes for tonal shaping
• 24-bit/192kHz AD/DA conversion with up to 125dB of dynamic range
• Additional Sonnox bundles available
Hardware Overview
Microphone Preamps: 8
Phantom Power: Yes (Independent per-channel)
Line Inputs: 8
Instrument Inputs: 2
Insert Sends: 2
Insert Returns: 2
Line Outputs: 12
Headphone Outputs: 2
Line Outputs: 10
Headphone Outputs: 2
ADAT Inputs: 2 (16 channels at 44.1/48kHz and up to 8 channels at 96kHz)
ADAT Outputs: 2 (16 channels at 44.1/48kHz and up to 8 channels at 96kHz)
SPDIF Input: 1 (2 channels at 96kHz)
SPDIF Output: 1 (2 channels at 96kHz)
MIDI Input: 1
MIDI Output: 1
Word Clock Input: 1
Word Clock Output: 1
Talkback: Yes
Loopback: Yes
Connectivity: USB Type-C
Protocol: USB 2.0
Form Factor: Rack Mountable (2U)
Simultaneous I/O: 26x28 (including Loopback)
A/D Resolution: 24-bit/192 kHz
Maximum Power Draw: 40W
Bus Powered: N
ISA Microphone Inputs (Channels 1-2)
Frequency Response: 20Hz-20kHz (±0.4dB)
Dynamic Range (A-weighted): 117dB
THD+N (minimum at minimum gain): -93dB (0.00023%)
Noise EIN (A-Weighted): -128dB
Maximum Input Level (minimum gain, Low impedance): +16dBu
Gain Range: 79dB
Input Impedance (switchable): 800Ω (Low), 1400Ω (ISA 110), 2400Ω (Med), 7000Ω (High)
High Pass Filter (HPF): 75Hz cut-off frequency, 18dB/Octave
Microphone Inputs (Channels 3-8)
Frequency Response: 20Hz-20kHz (±0.1dB)
Dynamic Range (A-weighted): 116dB
THD+N (minimum at 8dB Gain): -100dB (0.001%)
Noise EIN (A-Weighted): -127dB
Maximum Input Level (minimum gain): +16dBu
Gain Range: 69dB
Input Impedance: 3200Ω
Fixed-level Line Inputs (Channels 1-8)
Frequency Response: 20Hz-20kHz (±0.05dB)
Dynamic Range (A-weighted): 120dB
THD+N (minimum): < -105dB (0.00056%)
Maximum Input Level: +24dBu
Instrument Inputs (Channels 1-2)
Frequency Response: 20Hz-20kHz (±0.5dB)
Dynamic Range (A-weighted): 117dB
THD+N (minimum): -89dB (0.0036%)
Maximum Input Level (at minimum gain): +15dBu
Gain Range: 79dB
Input Impedance (switchable): 400kΩ (Low), 1.2MΩ (High)
Inserts (Channels 1-2)
Connection: Balanced
Maximum Output Level (send): +16dBu
Maximum Input Level (return): +16dBu
Line Outputs
Frequency Response: 20Hz-20kHz (±0.02dB)
Dynamic Range (A-weighted): 125dB
THD+N (minimum): -113dB (0.00023%)
Maximum Output Level: +24dBu
Headphone Outputs
Frequency Response: 20Hz-20kHz (±0.1dB)
Dynamic Range: 114dB @ 33Ω, 116dB @ 300Ω, 116dB @ 600Ω
THD+N: -102dB @ 33Ω, -110dB @ 300Ω, -110dB @ 600Ω
Max Output Level: +8dBu @ 33Ω, +11dBu @ 300Ω, +11dBu @ 600Ω
Max Output Power: 130mW @ 33Ω, 28mW @ 300Ω, 14mW @ 600Ω
Output Impedance: 3Ω
Compatibility
Windows: Intel, AMD, and Arm64 processors supported
MacOS: Apple Silicon and Intel processors supported
Dimensions
Width: 482.6 mm (19.00 in)
Depth: 292.8 mm (11.53 in)
Height: 89 mm (3.50 in)
Weight: 5.558 kg (12.26 lbs)
Power Requirements
External: 40W
What's in the Box?
• ISA C8X audio interface
• 1.5mm USB type C-to-C cable
• Region-specific IEC cable
• Rubber feet (x4)
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