
Solid State Logic Alpha 8
Solid State Logic - Alpha 8, 8-in/8-out A/D-D/A Converter and Audio Interface Expander with ADAT, S/PDIF
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8-in/8-out Professional-Grade AD/DA Converter & 18-in/18-out USB Audio Interface
Solid State Logic - ALPHA 8

The Ultimate Audio Interface Expander
Building on the acclaimed Alpha Link range, Solid State Logic introduce ALPHA 8 - an 8-in/8-out professional-grade analogue to digital, digital to analogue converter, perfect for expanding your audio interface via ADAT and S/PDIF. Alternatively, you can configure ALPHA 8 to address all analogue and digital I/O simultaneously via USB, giving you an 18-in, 18-out audio interface. Featuring class-leading conversion, flexible routing, and impeccable audio performance, ALPHA 8 unlocks the full potential of your setup.
The Compromise Is OverUsing next-generation 32-bit/192 kHz converters, Alpha 8 brings SSL-grade audio performance to your studio. With huge dynamic range, stunningly low THD+N, unmeasurable crosstalk and an exceptionally low noise floor, Alpha 8 delivers line-level heaven for your analogue outboard processing, samplers, synths and drum machines. The compromise is over – capture your sound with the quality it deserves.
Analogue Agility And Digital DominanceALPHA 8 is capable of many different AD/DA routing configurations to suit your specific needs, making sure you can get the most out of all the digital and analogue I/O it offers. Whether you need a simple bidirectional Analogue <> ADAT/SPDIF converter, an aggregate 18-in/18-out USB audio interface, or a mixture of the two, ALPHA 8 provides extremely flexible routing options for its analogue and digital I/O.
at a glance
• The ultimate audio interface expander
• Premium, next-generation 32-bit / 192 kHz conversion
• Class-leading dynamic range, THD+N and crosstalk audio performance
• 8 balanced line inputs and outputs
• 10 digital inputs and outputs (8 channels of ADAT, 2 channels of S/PDIF)
• Flexible conversion configuration
• 18-in, 18-out USB audio interface
The Great Connector

rock-solid integration in your studio environmentThe operating level of each analogue input and output can be individually adjusted to +9, +18, +20 or +24 dBu operating levels, ensuring optimal signal integrity and maximising headroom for devices connected to ALPHA 8. Whether it’s 19” rack gear, vintage synthesisers, analogue mixers, 500-series modules, or monitor controllers, ALPHA 8 ensures every connection to your equipment is fully optimised. 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 whilst elevating the performance of your creative space.
SSL 18 + ALPHA 8While ALPHA 8 is the ultimate audio interface expander for producers and engineers looking to bring SSL sound and quality to their existing set-up, ALPHA 8 is also 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 8s). Perfect for effortlessly integrating additional analogue outboard processing, analogue mixers and more.
Expand your workflowALPHA 8’s flexible analogue 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 external metering or amp simulators. Alternatively, make ALPHA 8 your primary interface, seamlessly connecting analogue 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 synthesisers, modular rigs and CV-enabled FX pedals.
SSL Production Pack FREE with ALPHA 8 Interface

'We’ve been helping world-class artists, producers and engineers make great music and audio for decades. It's crucial to have the right tools for the job, so we’ve partnered with some of the industry's key brands to offer you the SSL Production Pack, bundled free with your ALPHA 8 audio interface.
Featuring a selection of must-have virtual instruments, plug-ins, samples and DAW, let your creativity shine and bring your productions to life with the SSL Production Pack.'
The Tech Spec
Features | Specification | System requirements and Specs | Mac OS 13 or later | Class-Compliant, Plug-and-play Windows 10, Windows 11 | Install included ASIO/WDM driver |
---|---|
Connectivity | USB 2.0 Type C Connector (Box includes Type C to C and Type C to A) |
Line Inputs | 8 x Line Inputs Max input level: 24 dBu Dynamic Range (A-weighted): 120 dB THD+N: -110 dB Crosstalk: -140 dB *Specs (Measured to AES17 Standards) |
Line Outputs | 8 x Line Outputs Max Output Level: +24 dBu Dynamic Range (A-weighted): 123 dB THD+N: -108 dB Crosstalk: -140 |
Headphone Output | 1 x ¼" Ouput Dynamic Range: 120 dB Max Output: +18 dBu (High Impedance Mode) / 24 dBu (Balanced Line Output Mode) Output Impedance: <1 Ω |
Digital Inputs | 2 x Optical (ADAT) I/O 1 x S/PDIF I/O |
Sample rates | 44.1, 48, 88.2, 96, 176.4, 192 kHz |