Solid State Logic Alpha 8 Audio Interface Expander

Solid State Logic Alpha 8 is a professional 8-in/8-out AD/DA converter and 18-in/18-out USB-C audio interface. Featuring next-generation 32-bit/192 kHz converters, flexible routing, adjustable analogue levels, and DC-coupled outputs, it offers pristine SSL-grade audio performance for expanding studio setups or functioning as a standalone interface.

Solid State Logic Alpha 8 Audio Interface Expander

The Solid State Logic Alpha 8 is a professional 8-input, 8-output analogue-to-digital and digital-to-analogue converter, created to expand your studio’s capabilities with the renowned SSL sound and build quality. Developed from the respected Alpha Link series, Solid State Logic Alpha 8 can operate as a high-quality ADAT and S/PDIF converter, or be configured as a complete 18-input, 18-output USB-C audio interface. It features state-of-the-art 32-bit / 192 kHz converters that deliver outstanding dynamic range, ultra-low total harmonic distortion plus noise, and virtually no crosstalk, making it an ideal tool for integrating analogue outboard processors, synthesisers, samplers and drum machines into your studio workflow with uncompromised audio quality.

Each of the eight balanced analogue inputs and outputs features individually adjustable operating levels of +9 dBu, +18 dBu, +20 dBu or +24 dBu. This ensures precise level matching with any connected hardware, whether it be vintage synthesiser modules, professional 500 Series gear, high-end analogue mixers or monitor controllers. On the digital side, Solid State Logic Alpha 8 includes 8 channels of ADAT input and output and 2 channels of S/PDIF, with word clock input and output available for stable and jitter-free digital integration within larger systems.

When used in USB mode, Solid State Logic Alpha 8 becomes a full-featured 18-in/18-out audio interface, capable of managing both analogue and digital sources simultaneously. Its DC-coupled outputs make it especially appealing for electronic musicians, as these can be used to send control voltages to CV-enabled modular synthesisers, effects processors, or sequencer-driven hardware setups. ALPHA 8 also includes a high-current headphone output for confident monitoring of signal paths during tracking or mixing.

SSL’s flexible routing system allows a wide range of configurations. Whether you need a simple analogue-to-digital bridge for hardware inserts, an interface to link outboard processors into your DAW, or a powerful expansion unit for another SSL interface, Solid State Logic Alpha 8 provides the versatility required. It pairs particularly well with the SSL 18 audio interface, allowing users to expand the I/O via ADAT by adding either 8 or 16 channels depending on whether one or two ALPHA 8 units are used.

To enhance creative possibilities from the outset, the Solid State Logic Alpha 8 also comes bundled with the SSL Production Pack, a carefully selected suite of software tools including virtual instruments, plug-ins, samples and a digital audio workstation. This bundle is designed to provide everything needed to start producing professional-quality music immediately. Fully compatible with both Mac and Windows operating systems, the Solid State Logic Alpha 8 delivers Solid State Logic’s uncompromising approach to audio performance in a compact, expandable format designed for modern hybrid studios.

Features

  • Professional 8-in/8-out audio interface expander with USB-C connectivity
  • Premium 32-bit / 192 kHz conversion for exceptional clarity and accuracy
  • Best-in-class dynamic range, ultra-low THD+N, and negligible crosstalk
  • 8 balanced line-level analogue inputs and outputs
  • Supports up to 8 channels of analogue to ADAT and ADAT to analogue conversion
  • Individually configurable analogue I/O levels: +24, +20, +18, or +9 dBu
  • DC-coupled outputs ideal for sending CV to modular and synth setups
  • 10 digital I/O channels: 8 ADAT, 2 S/PDIF (coaxial or optical)
  • Supports 2-channel analogue to/from S/PDIF and S/PDIF to/from ADAT conversion
  • Route a mix of analogue, digital and USB signals to physical outputs
  • Full 18-in / 18-out USB audio interface mode
  • Record/playback all 8 analogue and 10 digital I/O via USB
  • High-current headphone output with selectable impedance modes (Standard, High Impedance, High Sensitivity)
  • Dedicated front-panel metering for all inputs and outputs
  • Wordclock input and output with termination switch
  • Sync via internal clock, or from ADAT, S/PDIF or Wordclock sources

Specifications

  • Operating system compatibility: Mac OS 13 or later (class-compliant), Windows 10/11 (ASIO/WDM driver required)
  • USB connection: USB 2.0 Type-C (includes Type-C to C and Type-C to A cables)
  • Line inputs: 8 balanced line inputs
  • Max input level: +24 dBu
  • Input dynamic range (A-weighted): 120 dB
  • Input THD+N: -110 dB
  • Input crosstalk: -140 dB
  • Line outputs: 8 balanced line outputs
  • Max output level: +24 dBu
  • Output dynamic range (A-weighted): 123 dB
  • Output THD+N: -108 dB
  • Output crosstalk: -140 dB
  • Headphone output: 1 x 6.35 mm (¼”) jack
  • Headphone dynamic range: 120 dB
  • Max headphone output level: +18 dBu (High Impedance Mode) / +24 dBu (Balanced Line Output Mode)
  • Headphone output impedance: Less than 1 ohm
  • Digital I/O: 2 x Optical (ADAT), 1 x S/PDIF coaxial or optical
  • Supported sample rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz

Ordering

SKU SSLA8 Categories , Tag

Original price was: $1,390.Current price is: $1,300. Inc GST

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