ALPHA 8 vs SSL 18
The SSL 18 costs about $300 more than the ALPHA 8 and buys you 7 more I/O, plus Combo XLR/TRS and TRS 1/8".
| Spec | ALPHA 8 | SSL 18 |
|---|---|---|
| Rack space | 1U | 1U |
| Weight | 7.9 lbs | 8.3 lbs |
| Power draw | Passive | Passive |
| Depth | 294 mm | 294 mm |
| I/O count | 27 | 34 |
| Price | ~$899.99 | ~$1,199.99 |
Highlighted where one is plainly lighter, smaller, cheaper or draws less. I/O count is left unmarked on purpose — more connectors you don't need is weight, cost and a bigger case.
Connectors only one of them has
ALPHA 8
Nothing the SSL 18 doesn't also have.
SSL 18
- Combo XLR/TRS
- TRS 1/8"
Settle it in your own rack
Specs decide less than fit does. Drop either one into your rig and see the real answer — what space is left, what the circuit draws, and whether every cable it needs actually lands somewhere.
Open the rack plannerTry 15 minutes without an account. Both units are in the catalog.

