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The rack-mountable TAC-8 audio interface is designed to act as the central hub in both professional and home environments. It provides 8 analog inputs and 10 analog outputs, 10 digital inputs and outputs (in both S/PDIF and ADAT Optical formats), and both Word Clock and MIDI I/O.

Recording
With 8 analog inputs, 10 digital inputs, and the ability to record and play back 8 channels simultaneously, the TAC-8 allows you to record what you want, when you want. Thunderbolt's speed ensures you wont have to deal with latency issues, and the TAC-8's built-in software mixer and flexible output options let you customize each session to your needs.

On Stage
Whether you're a one-man band with an epic onstage rig or your laptop is serving as the central hub for multiple musicians accessing software effects and virtual instruments, the TAC-8 allows you to fully customize your performance setup according to your needs. Wherever you play, you can count on your TAC-8 to deliver the ultimate in high quality audio.

Analog I/O
The TAC-8 provides a wide variety of both analog and digital connectors. Eight front panel combo XLR/TRS inputs accept mic- and line-level signals. Inputs 1 and 2 can also accept instrument-level signal from electric guitars and basses. Dedicated input gain controls and Clip LEDs make it easy to set optimum input levels, and a Phantom Power switch enables the use of condenser microphones.

Dual balanced analog TRS output jacks allow you to connect the TAC-8 to amplifiers or self-powered speakers, and there are also 8 discrete balanced TRS analog line outputs for multichannel monitoring or connection to external effects devices. A large front-panel Output knob offers fast control over output level, and there are two independent stereo headphone jacks, each with its own dedicated volume control, for private monitoring.

Digital I/O
The TAC-8 provides 10 channels of digital inputs and outputs, including 8 channels of I/O on ADAT Optical connectors and an additional 2 channels on S/PDIF connectors.

Additional features
In standalone mode, the TAC-8 can be used as an 8-channel mic preamp and analog-to-digital or digital-to-analog converter without being connected to a computer. The TAC-8 performs 4-times upsampling during both analog-to-digital and digital-to-analog conversion. For A/D conversion, this means less aliasing noise; for D/A conversion, this means increased clarity and fidelity.


Features at a Glance:

• 18‐in/20‐out high speed Thunderbolt audio interface
• Record and play back 8 tracks simultaneously
• Standalone mode allows use as an 8-channel mic preamp and A/D or D/A converter without connection to a computer
• Support for up to 24‐bit/192kHz high‐definition audio
• Near-zero latency audio streaming
• 8 combo balanced XLR/TRS analog input connectors accept both mic and line‐level signal
• High‐performance mic preamps with up to +60dB of amplification
• Hi‐Z switches allow direct connection of electric guitar or bass (INPUT1, INPUT2)
• Independent gain controls and clip LEDs for each input
• Switchable +48V phantom power (INPUTS 1‐4, INPUTS 5‐8)
• 10 balanced TRS output jacks for connection to mixers, amplifiers, self‐powered speakers, or effects devices
• Dual front-panel 1/4" headphone outputs with dedicated volume controls
• Large knob output volume control
• 4x upsampling during A/D and D/A conversion for reduced noise and enhanced fidelity
• Asynchronous transfer system unaffected by computer jitter
• S/PDIF IN/OUT: 2IN / 2OUT, up to 24‐bit/192kHz audio resolution
• ADAT Optical IN/OUT: 2 IN / 2 OUT at 192/176.4kHz (S/MUX4 compatible), 4 IN/4 OUT at 96/88.2kHz (S/MUX compatible), 8 IN / 8 OUT at 48/44.1kHz
• Word Clock in/out
• Clock source indicator
• MIDI in/out
• Rack-mountable (1U space)
• Robust metal housing
• Works with all Thunderbolt‐equipped Macintosh computers running OS X 10.8.5 or later

Specifications:

ANALOG INPUTS: INPUTS 18
Connectors: XLR/TRS combo jacks (XLR: 2 hot, TRS: TIP hot)
Input gain: 060 dB (1 dB steps)
Input impedance: 5 kΩ; 1 MΩ (When IN1/IN2 Hi-Z on)
Maximum input level: +13 dBu (XLR at 0 dBFS);
+21 dBu (TRS at 0 dBFS)
Phantom power: +48 V

ANALOG OUTPUTS: MASTER OUTPUTS
L/R Connectors:TRS jacks (balanced)
ANALOG OUTPUTS: LINE OUTPUTS 1-8
Maximum output level: +14 dBu (at 0 dBFS)
Output impedance: 150 Ω
ANALOG OUTPUTS: PHONES 1/2
Connectors: Standard stereo phone jacks; 20 mW 2 (into 32 Ω load)
Maximum output level: +10 dBu
Output impedance: 33 Ω

DIGITAL IN/OUT: ADAT OPTICAL
Connectors: ADAT Optical (lightpipe)
8 IN/OUT: 44.1 kHz/48 kHz
4 IN/OUT: 88.2kHz/96kHz, S/MUX compatible
2 IN/OUT: 176.4kHz/192kHz, S/MUX4 compatible
DIGITAL IN/OUT: S/PDIF
Connectors: RCA (coaxial)
Supported sampling frequencies:44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
DIGITAL IN/OUT: WORD CLOCK
Connectors: BNC
Supported sampling frequencies:44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
Output impedance: 75 Ω

OTHER
Frequency characteristics: 44.1 kHz: −1.0 dB, 20 Hz20 kHz;
96 kHz: −1.0 dB, 20 Hz40 kHz;
192 kHz: −1.0 dB, 20 Hz60 kHz
Input conversion noise:Measured EIN: 125 dB (IHF-A) at 60dB, 150Ω input
Dynamic range: AD: 120 dB typical (IHF-A); DA: 120 dB typical (IHF-A)
Sampling frequencies: 192 kHz, 176.4 kHz, 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz
Bit depth: 24-bit
Interface: Thunderbolt
MIDI IN/OUT: 5-pin DIN jacks
Power supply: AD-19 DC12V 2A AC adapter
External dimensions: (D x W x H) 157.65 x 482.6 x 46.03 mm (6.2 x 19 x 1.8 in.)
Weight (main unit only): 4.4 pounds / 2.01 kg
Note: 0dBm＝0.775Vrms