SSL Fusion (2018)
A fully analogue stereo outboard processor introduced by Solid State Logic in 2018, built for mixing and mastering with dedicated analog coloration tools.
Overview
The SSL Fusion is a stereo analog master processor from Solid State Logic (SSL), announced on October 1, 2018. It's meant to add analog character to the master bus, and it packs five analog processing sections into one 2U chassis. SSL marketed it as their first new EQ circuit in over 25 years. It brought five completely new analog coloration tools, called "colours," and a sixth came later through a plug-in collection update.
Specifications
| Product type | fully analogue Stereo Outboard Processor |
| Product type | Analog Mixing & Mastering Processor |
| Launch date | October 1, 2018 |
| Unboxed Weight | 5.86kg / 12.9lbs |
| Boxed Size | 550mm x 470mm x 225mm (21.7" x 18.5" x 8.9") |
| Depth | 303mm / 11.9 inches (chassis only) |
| Height | 88.9mm / 3.5inches (2 RU) |
| Width | 480mm / 19 inches |
| Power | 50 Watts maximum, 40 Watts typical |
| Input/Output | ±12dB Input and Output Gain controls |
| Signal handling | easily handles levels up to +27 dBu |
Design
The five analog processors are a vintage drive, a violet EQ, an HF compressor, a stereo image enhancer, and a transformer. There's also a high-frequency smoothing circuit, and the compressor works on high frequencies only. The unit has dedicated sections for signal management and offers six analog "colours" for tonal shaping, including SSL's first new EQ circuit in over 25 years.
Context
Two years after the Fusion's launch, SSL completed the Fusion plug-in collection by adding the Fusion Transformer, called the "Sixth Colour."
Market
User reports say the Fusion was used often on the mix bus. One engineer ran it on every mix for an entire year. Users found it particularly useful on acoustic guitar and on bright vocal tracks in hip-hop and EDM, where clarity without harshness is critical. Reviewers called it well thought out and practical, with broad tonal sweetening at a compelling value.
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