ART TubeOpto 8 Tube Preamp


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Product Code: 9999-07922
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The ART TubeOpto 8 Tube Preamp is the ideal Eight Channel input / output expander for any ADAT lightpipe equipped audio interface, direct-to-disc recorder or DAW. Eight high quality second generation discrete Class-A vacuum tube microphone preamps are packaged in a single rack space unit with eight channel 24-bit digital I/O.

The ART TubeOpto 8 Tube Preamp's every input offers full control of the signal path with pad, phase and low frequency roll-off switches. Input gain and variable output level control of each channel allows up to 70dB of clean gain with incredible sonic transparency or for the tube stage to be dialed in for warming effects and soft clipping. Each channel has wide range LED meters monitor the preamp output levels while clip indicators monitor mic-preamp peak levels. ADAT lightpipe I/O handles eight channels of 24-bit audio input and output at either 44.1 or 48 kHz sample rates. Wordclock in and thru-puts allow multiple ART TubeOpto 8’s to be synced in complex system configurations.

ART TubeOpto 8 Tube Preamp Features

  • Eight fully featured class-A tube mic preamps
  • Eight channels of ADAT Lightpipe digital 24 bit audio I/O at 44.1 or 48kHz
  • Input gain and output level controls on every channel
  • Input pad, phase flip and low frequency roll off switches on every channel
  • Two additional front mounted high impedance instrument line inputs
  • Eight 1/4-inch TRS balanced outputs
  • Wordclock In and Thru-puts

ART TubeOpto 8 Tube Preamp Specifications

  • Input Impedance: Mic 6.4K Ohm, Line 20K Ohm, Instrument 2.5M Ohm
  • Output Impedance: Balanced outputs 200 Ohm balanced
  • Frequency Response: Analog in to Digital out 12Hz - 20KHz +0, -1dB @ 44.1 KHz sample rate
  • Total Harmonic Distortion: 1KHz < .015% @ -30dB ref clipping, 20-20KHz < .033%
  • High Pass Filter: 80Hz, 1-pole
  • Equivalent Input Noise: Mic/Line -130dBu, input shorted, max gain, “A” wtd., Instrument -105dBu, input shorted, max gain, “A” wtd.
  • Maximum Input Level: Mic/line: +18dBu balanced w/pad, Instrument: +15dBu, Meter clip light: -2dB ref. A/D clip (0dB FS)
  • Maximum Gain: Mic: 64dB, Instrument: 36dB
  • Maximum Output Level:
    • Balanced: +20dBu (+4dBu setting)
    • Unbalanced: +14dBu (+4dBu setting)
    • Output Level Switch: Lowers output by 10dB @ -10dBV setting
  • Wordclock Range: 40KHz - 52KHz
  • Sample Rate Settings: 44.1KHz, 48KHz, ADAT, Wordclock
  • A/D Dynamic Range: 105dB (“A” wtd.)
  • D/A Dynamic Range: 105dB (“A” wtd.)
  • A/D Latency: 0.667ms(48KHz), 0.725ms(44.1KHz), 32 samples
  • D/A Latency: 0.458ms(48KHz), 0.500ms(44.1KHz), 22 samples
  • Dimensions: 1.75”H x 19.0”W x 14.4”D (44.5mm x 482.6mm x 365.8mm)
  • Weight: 13.2lbs. (6kg)
  • Power Requirements: USA – 105-125VAC, AC 60Hz, 29Watts typical, (export units configured for country of destination)
  • Minimum System Requirements: ADAT Interface Port

ART TubeOpto 8 Tube Preamp Includes

  • TubeOpto 8 Tube Preamp
  • Owners Manual
  • 3 Year Warranty

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