Solid State Logic ALPHA 8 AD/DA Converter/Expander and USB-C Audio Interface

Professional Audio-Interface Expander: The Ideal Partner for SSL 18

Expanding on the acclaimed Alpha Link series, the Solid State Logic ALPHA 8 is an 8-in / 8-out, professional-grade analog-to-digital/digital-to-analog converter and USB-C audio interface designed for seamless integration into any audio-production environment. Perfectly suited for expanding your setup via ADAT and S/PDIF, this converter pairs exceptionally well with the SSL 18 audio interface.

Alternatively, configure the ALPHA 8 as an 18-in / 18-out audio interface, enabling simultaneous access to all analog and digital I/O via USB-C. With class-leading conversion quality, flexible routing options, and pristine audio fidelity, the ALPHA 8 delivers unmatched performance, unlocking the full potential of your studio and enhancing your production workflow.

Next-Gen 32-Bit / 192 kHz Converters

• Using next-generation 32-bit / 192 kHz converters, ALPHA 8 brings SSL-grade audio performance to your productions.
• With a huge dynamic range (120 dB in / 123 dB out), impressively low THD+N and crosstalk, and exceptionally low noise floor, ALPHA 8 delivers line-level heaven for your analog outboard processing, samplers, synths, and drum machines.

Flexible Routing Configurations

• ALPHA 8 is capable of many different routing configurations to suit your specific needs, making sure you can get the most out of all the digital and analog I/O it offers.
• Whether you need a simple bidirectional analog to ADAT/SPDIF converter, an aggregate 18-in / 18-out USB-C audio interface, or a mixture of the two, ALPHA 8 provides flexible routing options, enabling you to record and playback to all 8 analog and 10 digital I/O over USB.

Fully Optimized Analog and Digital Connectivity

• The operating level of each analog input and output can be individually adjusted to +9, +18, +20, or +24 dBu operating levels, ensuring optimal signal integrity and maximizing headroom for devices connected to ALPHA 8.
• Whether it�s 19� rack gear, analog mixers, 500 Series modules, or monitor controllers, ALPHA 8 ensures every connection to your equipment is fully optimized.
• On the digital side, Word Clock in and out, ADAT, and S/PDIF clocking options ensure ALPHA 8 provides outstanding digital-audio handling, guaranteeing jitter-free rock-solid integration in your studio environment.

SSL 18 Interface + ALPHA 8 Converter

• ALPHA 8 is the perfect companion to SSL 18. Instantly expand SSL 18�s I/O via ADAT adding 8 channels (1 x ALPHA 8) or 16 channels (2 x ALPHA 8).
• Perfect for effortlessly integrating additional analog outboard processing, analog mixers, and more.

Expand Your Workflow

• ALPHA 8�s flexible analog and digital routing unlocks a multitude of workflow possibilities. Create hardware insert paths for 500 Series modules, outboard EQs, compressors, or hardware FX.
• Use the S/PDIF I/O for integrating external metering or amp simulators.
• Make ALPHA 8 your primary interface, seamlessly connecting analog and digital devices to your DAW via USB-C.
• For electronic music producers, ALPHA 8�s outputs are capable of outputting control voltage to control synthesizers, modular rigs, and CV-enabled FX pedals.

SSL Production Pack

The included SSL Production Pack features a selection of must-have virtual instruments, plug-ins, samples, and DAW to fuel your creativity and bring your productions to life. As an eligible SSL interface owner, claim 6 months free Complete Access subscription�giving you access to every plug-in from Solid State Logic, Slate Digital, and Harrison Audio.

Software included:

• 6-months free Complete Access subscription
• 3-months free access to Auto-Tune Unlimited subscription
• 3-months free access to Arcade by Output subscription
• Perpetual licenses for SSL Vocalstrip 2 and Drumstrip plug-ins
• IK Multimedia Amplitube 5 SE
• Celemony Melodyne Essential
• Native Instruments Hybrid Keys & Komplete Start
• Ableton Live 11 Lite
• AAS Session Bundle plug-ins
• 1.5 GB Samples from Loopcloud

At a Glance

• Premium, next-generation 32-bit / 192 kHz conversion
• 18-in, 18-out USB audio interface, flexible conversion configuration
• Record and playback to all 8 analog and 10 digital I/O via USB
• Physical outputs can be fed with a mixture of analog, digital, and USB audio signals, providing a great level of flexibility
• 8 balanced line inputs and outputs
• 10 digital inputs and outputs (8 channels of ADAT, 2 channels of S/PDIF)
• Up to 8 channels of analog-to-ADAT and ADAT-to-analog conversion
• Up to 2 channels of analog-to-S/PDIF and S/PDIF-to-analog conversion
• Up to 2 channels of S/PDIF-to-ADAT and ADAT-to-S/PDIF conversion
• S/PDIF available on coaxial or optical connectors
• Class-leading dynamic range, THD+N and crosstalk audio performance
• Configurable operating levels for each input and output to best match your external equipment: +24/+20/+18/+9 dBu
• DC-coupled outputs are perfect for sending control voltages to synthesizers and modular rig
• High-current front-panel headphone confidence check�audition any individual input or output (or stereo pair)
• Choose from 3 different settings to optimize for your headphones�Standard, High Impedance, High Sensitivity
• Wordclock in and out & input termination switch
• Clock internally, or from incoming ADAT, S/PDIF, or wordclock
• Dedicated front-panel input and output meters

Solid State Logic ALPHA 8 Specs

Form Factor	Rackmount
Converter Type	AD/DA Converter
Number of Channels	8x A/D 8x D/A
Analog Audio I/O	8x 1/4" TRS Unbalanced Line Input 8x 1/4" TRS Balanced Line Output 1x 1/4" TRS Headphone Output
Digital Audio I/O	2x TOSLINK Optical ADAT / S/PDIF Input 2x TOSLINK Optical ADAT / S/PDIF Output 1x BNC Coaxial S/PDIF Input 1x BNC Coaxial S/PDIF Output

Form Factor	Rackmount
Converter Type	AD/DA Converter
Number of Channels	8x A/D 8x D/A
Maximum Sampling Rate	192 kHz / 32-Bit

Analog Audio I/O	8x 1/4" TRS Unbalanced Line Input 8x 1/4" TRS Balanced Line Output 1x 1/4" TRS Headphone Output
Digital Audio I/O	2x TOSLINK Optical ADAT / S/PDIF Input 2x TOSLINK Optical ADAT / S/PDIF Output 1x BNC Coaxial S/PDIF Input 1x BNC Coaxial S/PDIF Output
Host Connection	1x USB-C
Sync I/O	1x BNC Word Clock Input 1x BNC Word Clock Output
Network I/O	No
MIDI I/O	No
Wireless	No

Maximum Input Level	Line Inputs: +24 dBu
Maximum Output Level	Line Outputs: +24 dBu Headphone Outputs: +18 dBu (High Impedance Mode) +24 dBu (Balanced Line Output Mode)
Impedance	Headphone Outputs: < 1 Ohm
Dynamic Range	Line Inputs: 120 dB (A-Weighted) Headphone Outputs: 120 dB Line Outputs: 123 dB (A-Weighted)
THD+N	Line Inputs: -110 dB Line Outputs: -108 dB Headphone Outputs: 120 dB
Crosstalk	Line Inputs: -140 dB Line Outputs: -140 dB

Sample Rates	44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
Bit Depths	32-Bit

OS Compatibility

macOS 13 or Later / Windows 10 or Later

Power Requirements	AC Input
AC Input Power	100 to 240 VAC, 50 / 60 Hz

Package Weight	11.905 lb
Box Dimensions (LxWxH)	25.1 x 15 x 4.5"