ART Tube Opto8 8-Channel Mic Preamp ADAT with AKG K240MKII headphones

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ART Tube Opto8 8-Channel Mic Preamp ADAT with AKG K240MKII headphones

ART Tube Opto8 8-Channel Mic Preamp ADAT with AKG K240MKII headphones

Item Condition: NEW (?)

Item SKU # zz036-580-001

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MSRP: $684.00

PAL Price: $469.99


NEW This product is brand new with full factory warranty. We're including our 45-Day Satisfaction Guarantee to this New product, making it a no-risk purchase.


The ART TubeOpto 8 is the ideal Eight Channel input / output expander for any ADAT lite-pipe 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.


Every input on the TubeOpto8 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 lite-pipe 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 Tubeopto8's to be synced in complex system configurations.



  • Eight Fully Featured Class-A Tube Mic Preamps
  • Eight Channels of ADAT lite-pipe 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


  • Input Impedance: Mic: 6.4K, Line: 20K, Instrument: 2.5MOmega
  • Output Impedance: Balanced outputs: 200? balanced
  • Frequency Response: Analog in to Digital out: 12Hz - 20KHz +0, -1dB @ 44.1KHz sample rate
  • THD: 1KHz:
  • HPF: 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, Unbalanced: +14dBu
  • Output level switch: Lowers Max. 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: 13.2lb. (6kg)
  • Power Requirements: USA 105-125VAC, AC 60Hz, 29 Watts Typical, Export units configured for country of destination.
  • Minimum System Requirements: ADAT interface port


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