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Two rackmount audio interfaces in silver finish with front-panel controls and rear connections

Solid State Logic

Solid State Logic SSL 18 USB-C Audio/MIDI Interface Bundle with ALPHA 8 Converter (Pair)

SKU CH-1YM9-GC89F

26-in/28-out USB-C audio/MIDI interface with eight mic preamps, 32-bit/192 kHz conversion, Legacy 4K enhancement, ADAT/S/PDIF/MIDI I/O, plus dual 8-channel AD/DA expander

  • 32-bit/192 kHz conversion captures every detail
  • 26 inputs and 28 outputs handle large sessions
  • Eight SSL preamps plus two Hi-Z inputs
  • Legacy 4K adds analog warmth to tracks
  • 16-channel ADAT, S/PDIF and MIDI expand connectivity

SSL 18 USB-C Audio/MIDI Interface Bundle

The Solid State Logic SSL 18 is a rackmount USB-C audio and MIDI interface designed for professional studio recording and mixing. It delivers 26 inputs and 28 outputs with 32-bit/192 kHz AD/DA conversion, eight SSL-designed mic preamps, two Hi-Z instrument inputs, and comprehensive ADAT, S/PDIF, and MIDI I/O. The bundle includes a pair of ALPHA 8 converters to expand connectivity via ADAT and S/PDIF.

Suits engineers needing extensive I/O

This bundle suits producers and engineers who require high channel counts, flexible routing through the SSL 360° digital mixer, and the signature SSL console sound. It is not for users who need only a few inputs, operate without rack space, or prefer a purely portable bus-powered device for mobile recording.

26-in / 28-out channel count

The single specification that decides fit is the combined 26-input, 28-output capacity at 32-bit/192 kHz resolution across the SSL 18 and paired ALPHA 8 units. If your sessions demand fewer simultaneous channels, a smaller interface will cover the workload more efficiently.

How it compares

Measured against everything we stock in MIDI Controllers & Interfaces, at today’s prices. Recalculated every night.

Price $2,371.99
Pricier than about 97% of the 106 comparable items (median $312.49).

Specifications

No published specifications for this item yet.

Questions about this item

How many simultaneous input channels can the SSL 18 record before I must add the ALPHA 8 expanders?

The SSL 18 provides 26 inputs on its own — eight mic/line, two Hi-Z, two send/return, 16-channel ADAT and stereo S/PDIF — so you can track a full band without extra hardware.

Does the SSL 18 run warm or need a fan when it stays powered for full-day sessions?

The rackmount SSL 18 is AC-powered and designed for continuous studio use; its all-analog front end and 32-bit/192 kHz converters operate at low heat without audible fan noise.

Which cables and clock source do I need on hand to link the two ALPHA 8 units to the SSL 18?

You will need ADAT optical cables for the 16-channel digital link and a word-clock or S/PDIF connection to lock the ALPHA 8 converters to the SSL 18 master clock.

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