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Saffire Pro 40 FireWire interface

Saffire PRO 40
Professional 20 in / 20 out Firewire/Thunderbolt interface with eight Focusrite preamps

Specifications

All of Focusrite's FireWire interfaces are fully compatible with Thunderbolt using simple FireWire to Thunderbolt adapter. Focusrite fully supports the use of Thunderbolt with our FireWire interfaces.

Need more information? Read our Saffire Compatibility Q&A.

For more details visit the Answerbase.

We always quote 'real world' performance figures (measured to the AES17 standard). Some companies choose to quote chipset performance, which is misleading, and here's why.

Microphone Inputs

  • Dynamic Range (A-Weighted): 109dB
  • SNR (A-weighted): -109dB
  • Frequency Response: 20Hz - 20kHz +/- 0.1 dB
  • THD+N: 0.001% (measured at 1kHz with a 20Hz/22kHz bandpass filter)
  • Noise: EIN > 125dB (128dB analogue to digital) (measured at 60dB of gain with 150 Ohm termination (20Hz/22kHz bandpass filter)
  • Maximum level (A-weighted): 8dBu at 1%

Line Inputs

  • Dynamic Range (A-Weighted): 109dB
  • SNR (A-weighted): -109dB
  • Frequency Response: 20Hz - 20kHz +/- 0.1dB
  • THD+N: < 0.001% (measured with 0dBFS input and 22Hz/22kHz bandpass filter)
  • Noise: -90dBu (22Hz/22kHz bandpass filter)
  • Maximum level (A-weighted): 28.5dBu at 1%

Instrument Inputs

  • Frequency Response 20Hz-20KHz +/- 0.1dB
  • Maximum Input Level min gain no pad +8dBu
  • Maximum Input Level max gain no pad -42dBu
  • THD+N, -1dBFS, min gain, no pad < 0.0015%
  • SNR 109dB "A"
  • DNR 109dB "A"
  • Input Impedance > 1MOhm
  • X-talk < -100dB
  • Adjustable Gain > 50dB
  • Pad Attenuation 10dB

Headphone Outputs

  • Frequency Response 20Hz-20KHz +/- 0.1dB
  • SNR 109dB "A"
  • DNR 109dB "A"
  • Maximum Output into 32R +12.4dBu (+10.2dBV)
  • Power into 32R 250mW
  • Output Impedance < 7Ohms
  • Load Impedance > 24Ohms

Line level Outputs

  • Dynamic Range (A-Weighted): 108dB
  • SNR (A-weighted): -108dB
  • THD+N: < 0.001% (measured with 0dBFS input and 22Hz/22kHz bandpass filter)
  • Maximum level (A-weighted): 15.7dBu at 0.883%

Additional Conversion Performance

  • Clock jitter < 250 picoseconds
  • THD+N AMPL (A-weighted)= -109dBFS

CONNECTIVITY

Analogue Channel Inputs (Inputs 1-8)

  • 2 Mic/Line/Inst Combo XLR (Inputs 1 and 2)
  • 6 Mic/Line Combo XLR (Inputs 3-8)
  • Automatic switching of Mic / Line (e.g. inserting a jack switches from Mic to either Line or Instrument)

Digital Channel Inputs (Inputs 9-18) 44.1-96kHz

  • Stereo S/PDIF input on RCA 
  • 8 ADAT inputs on Optical Connector, reduces to 4 inputs at 88.2/96kHz • Optical input can be switched to S/PDIF 3/4 in software preferences (ADATs disabled)

Analogue Audio Outputs (Outputs 1-10) 

  • 8 ¼” TRS Jack (Outputs 3-10) 
  • 2 monitor mix outputs on ¼” TRS Jack (Outputs 1 and 2)
  • Stereo headphones mix 1 on ¼” TRS (also routed to outputs 7 & 8)
  • Stereo Headphones mix 2 on ¼” TRS (also routed to outputs 9 & 10)

Digital Channel Outputs (Outputs 11-20) 44.1-96kHz

  • Stereo S/PDIF output on RCA 
  • 8 ADAT outputs on Optical Connector, reduces to 4 outputs at 88.2/96kHz
  • Optical output can be switched to S/PDIF 3/4 in software preferences (ADATs disabled)

Other I/O

  • 2 6-pin FireWire sockets 
  • 2 Standard 5-pin DIN MIDI connectors: In and Out 
  • IEC mains power input connector 

Weight and Dims

  • 3kg / 6.6Ibs
  • 482mm / 19" (W) x 45mm / 1.8" (H) x 265mm /10.4" (D)