This product has been discontinued.

Technical Specifications   

Microphone Preamp   

• Type    XLR Female, Balanced
• Frequency Response to Direct Output (at unity gain)    20 Hz-40 kHz, 0 / -0.5 dBu
• Frequency Response to Main Output (at unity gain)    20 Hz-20 kHz, ±0.5 dBu
• Input Impedance (Balanced)    1 kΩ
• THD to Direct Output (1 kHz at unity gain)    
• THD to Main Output (1 kHz at unity gain)    0.005%, +4 dBu, 20 Hz-20 kHz, unity gain, unwtd
• EIN to Direct Output    +125 dB unwtd, +130 dB A-wtd
• S/N Ratio to Direct Output (Ref = +4 dB, 20 kHz BW, unity gain, A-wtd)    -97 dB
• S/N Ratio to Main Output (Ref = +4 dB, 20 kHz BW, unity gain, A-wtd)    -94 dB
• Common Mode Rejection Ratio (1 kHz at unity gain)    +65 dB
• Gain Control Range (± 1 dB)    -16 dB to +67 dB
• Maximum Input Level (unity gain)    +16 dBu
• Phantom Power (± 2 VDC)    +48 VDC

• Type    ¼" TRS Female, balanced mono
• Frequency Response to Direct Outputs (at unity gain)    10 Hz-40 kHz, 0 / -0.5 dBu
• Frequency Response to Main Outputs (at unity gain)    20 Hz-20 kHz, 0/-0.5 dBu
• Input Impedance    10 kΩ
• THD to Direct Output (1 kHz at unity gain)    
• THD to Main Output (1 kHz at unity gain)    
• S/N Ratio to Direct Output (Ref = +4 dBu, 20 kHz BW, unity gain, A-wtd)    -105 dB
• S/N Ratio to Main Output (Ref = +4 dBu, 20 kHz BW, unity gain, A-wtd)    -94 dB
• Gain Control Range (± 1 dB)    -20 dB to +20 dB
• Maximum Input level (unity gain)    +22 dBu

• Type    RCA Female, unbalanced (stereo pair)
• Maximum Input Level    +22 dBu

• Type    XLR Male, balanced (stereo pair); ¼” TRS Female, balanced (stereo pair)
• Rated Output Level    +24 dBu
• Output Impedance    100Ω

• Type    ¼” TRS Female, balanced (mono)
• Rated Output Level    +18 dBu
• Output Impedance    100Ω

• Type    ¼” TRS Female, balanced (stereo pair)
• Rated Output Level z    +18 dBu
• Output Impedance    100Ω

• Input to Output (Ref = +4 dBu, 20 Hz-20 kHz, unwtd)    -90 dBu
• Adjacent Channels (Ref = +4 dBu, 20 Hz-20 kHz, unwtd)    -87 dBu

• Threshold Range    -84 dB to 0 dB
• Attack Time    Adaptive (0.2 - 2.5 ms)
• Release Time    70 ms
• Expander Attenuation Range    02:01

• Threshold Range    -56 dB to 0 dB
• Ratio    1:1 to 14:1
• Response Time (Attack/Release    0.2 ms / 1.0s (“Tight”) to 180 ms / 1.0s (“Smooth”)
• Auto Attack and Release    Attack = 10 ms, Release = 150 ms
• Curve Types    hard and soft knee

• Type    2nd-order shelving filter (Q = 0.55)
• Low (Low-pass or Bandpass)    36 to 465 Hz, ±15 dB
• Mid    260 Hz to 3.5 kHz, ±15 dB
• High (High-pass or Bandpass)    1.4 kHz to 18 kHz, ±15 dB

• ADC Dynamic Range (A-wtd, 48 kHz)    118 dB
• DAC Dynamic Range (A-wtd, 48 kHz)    118 dB
• FireWire    S400, 400 Mb/s
• Internal Processing    32-bit, floating point
• Sampling Rate    44.1, 48 kHz
• A/D/A Bit Depth    24 bits
• Reference Level for 0 dBFS    +18 dBu

• Jitter    
• Jitter Attenuation    >60 dB (1 ns in ≈ 1 ps out)

• Connector    IEC
• Input-Voltage Range    100 to 240 VAC (factory-configured for country of destination)
• Power Requirements (continuous)    100W

• Length    15.56 inches (397 mm)
• Width    16 inches (406 mm)
• Maximum Height    5.5 inches (140 mm)
• Weight    20 lbs.