SSL SL-6000 E Series (1983)
A broadcast console that put a whole stereo video mix under one engineer's hands, and got SSL's studio world and post world speaking the same data language.
Overview
SSL was already famous for large-format music consoles. The SL 6000 E Series was its machine built for audio-for-video, not a repurposed music desk. SSL built it around one idea: put all of the signal processing, switching, and machine control needed for live and post-production stereo audio under the control of one engineer. Fully distributed master logic and extensive local switching let a single operator keep up with broadcast deadlines and still have the creative room that multi-track work normally demands.
The core of the thing is a six-bus mix matrix, and that is what separates the SL 6000 E from a conventional music desk. Each input can be panned between one of three stereo mix buses, so an engineer can carve the console into dialogue, music, and effects sections on a per-project basis. Those three mixes can be committed in mono to a 3-stripe or 4-track, or in stereo to an 8-track or the multi-track master. Composite stereo and mono mixes of all six buses are derived from the master mix matrix for monitoring, transmission, or simultaneous first-generation layback to the stereo video recorder. Broadcasters cared about that last one. During live coverage, the same six buses can be re-tasked for stereo mix and mix-minus feeds.
SSL was explicit about who this was for. The company described the SL 6000 E as the Stereo Video System's answer to the new level of audio post-production requirements that stereo video had introduced. It offered the same standard of audio quality and signal processing flexibility as the 4000-series music consoles, plus that unique matrix to simplify separate stereo music, effects, and dialogue mixes. The stated goal was to let projects move freely between recording studios and post-production suites, so SSL made the SL 6000 E and the 4000-series systems totally data-compatible. Complete Total Recall console setups, edit and cue lists, and dynamic mixing data could travel between more than 250 leading music studios, post-production houses, and broadcast facilities across 72 cities and 24 countries.
SSL also sold the E Series on its specifications. It was a system you could configure to meet current needs exactly, then expand as those needs grew and changed, with additional hardware and software modules that retrofit in the field. The company's performance specifications for the console were claimed to exceed the challenge of the best 16-bit digital recorders of the day. That was a pointed claim in 1983, when digital was the thing everyone was nervous about and analog consoles were being asked to justify themselves.
By the end of the decade the platform had moved on. The G Series news announced that the SL 6000 had gone G, with a new, wider centre section that incorporated a full-sized QWERTY keyboard with numeric keypad and function keys, plus the new SSL Split Cues system controlling the output sends of the right-hand section.
What It Was Like to Specify and Own
The SL 6000 E turns up in the trade press of the period as the centerpiece of rooms built specifically for audio-for-video work. Full Sail Recorders in Altamonte Springs, Florida opened a new 24-track facility as a joint venture between the Full Sail Center for the Recording Arts and Parc/CBS, with a 40-by-30 foot studio and a 25-by-25 foot control room designed by acoustician John Storyk. The room's frequency response was specified at ±2.5 dB from 40 Hz to 6.3 kHz prior to room EQ, and it housed a 56-input Solid State Logic SL 6000 E console with Primary Studio Computer and Total Recall automation with SMPTE timecode capabilities.
A 56-input SL 6000 E with Primary Studio Computer and Total Recall was not a utility purchase at Full Sail. It was the room's identity. Recording-Engineer (1983, p.84) ran SSL's own framing of the console as the tool that made practical what advanced video formats and transmission methods had only made possible.
The same pattern shows up on the other coast. Post Logic in Hollywood opened a new six-room post facility totaling 12,000 square feet, with two New England Digital Synclavier rooms, two SSL-equipped rooms, and an ADR/prelay room. According to the facility, its SSL G Series SL 6000 console was the world's first. Meanwhile Sound Ideas in New York City finished upgrading Studio B by installing a 56-input Solid State Logic SL6000 E Stereo Video Music System with eight stereo modules, paired with a Studer A-80 MkIV 24-track and monitored through UREI 813Bs. Two 56-input SL 6000 E rooms, two coasts, two different applications: one a teaching/commercial hybrid, one a dedicated post house upgrade.
SSL's own advertising copy from the period, the "In the Foreground of Television Audio" text that ran in the trade books, leaned on the language of responsiveness rather than specifications. The company wrote that it had set up service offices and technical training around the world because "your business deserves responsiveness, not promises." That's marketing, and it should be read as such. The substance underneath it was real: the field-retrofittable modules, the data compatibility with the 4000 series, the Total Recall ecosystem spanning 250-plus facilities.
Reception and the G Series Transition
The period coverage of the SL 6000 E is mostly SSL's own advertising placements, not independent bench reviews. The console was a facility purchase, not a product that got measured in a lab. DB-Magazine (March 1983, p.32) and Studio-Sound (April 1983, p.92) both carried the same Stereo Video System announcement, positioning the SL 6000 E as the console that placed signal processing, switching, and machine control under a single engineer's control. Recording-Engineer (February 1983, p.84) ran the same text, framing the SL 6000 E as the answer to the new post-production requirements that stereo video had created.
By mid-1989 the story had shifted. Studio-Sound (June 1989, p.37) reported that the SL 6000 had gone G, with the new wider centre section carrying a full-sized QWERTY keyboard with numeric keypad and function keys, plus the new SSL Split Cues system for controlling the output sends of the right-hand section. That's the console's late-period evolution in a single paragraph: the audio architecture stayed, but the operator interface got a keyboard, and the cue system got more granular. For a facility that had bought into the SL 6000 E in 1983 and was still running it in 1989, the G Series update was the difference between a console that still fit the workflow and one that didn't.
The SL 6000 E was never a mass-market product, at least in the surviving period documentation. It was a system sold to facilities, specified input-by-input, expanded module-by-module, and supported by service offices and technical training rather than dealer networks. The trade-press installs - Full Sail, Post Logic, Sound Ideas - were rooms that needed to move projects between music and post without re-patching the world.
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