Harrison 32E: A Console That Put EQ on Every Channel
When music historians talk about the consoles that quietly shaped a generation of recordings, the Harrison 32E rarely gets the headline treatment. Yet for a stretch in the late 1970s and 1980s, this in-line mixing desk sat at the heart of studios responsible for some of the most commercially successful records produced in Australia and beyond. Its claim to fame was disarmingly simple: every input channel carried its own dedicated equaliser, a layout that made the desk feel more like a stack of independent channel strips wired into a shared bus than a conventional mixing board.
The story of the 32E begins with a Nashville-based company that had cut its teeth in film and television post-production. Harrison Systems had already built a reputation for clean, reliable, transformer-isolated consoles used to mix everything from episodic television to country crossover records. By the time the 32E entered production, the company had refined an approach to analogue console architecture that prioritised flexibility, transparency, and an unusually generous number of auxiliaries for the era.
What made the 32E feel modern in its day was the way it treated every input as a complete signal path. Where competing desks often shared EQ cards across pairs of channels or routed multiple inputs through a smaller pool of processing, the 32E offered four-band parametric equalisation on each and every channel. For session engineers working under tight deadlines in studios like Sydney's Studios 301, that meant the desk could keep pace with the demands of a producer who wanted broad tonal moves without surrendering routing flexibility.
The console also emerged at a moment when the recording industry was pivoting from large-scale rock productions toward more layered, polished productions. Engineers trained on Neve or SSL desks noticed immediately that the 32E asked a different set of questions about workflow. To appreciate why, it helps to understand the design philosophy that Harrison had been refining since the late 1960s.
Origins and the Harrison Design Philosophy
Harrison Systems was founded by Dave Harrison in Nashville, Tennessee, in 1968. The early product line focused on custom consoles for broadcast and film post-production, where the demands of music mixing were less important than reliability and clean signal handling. By the mid-1970s, the company had begun to chase the recording studio market with desks that brought post-production rigour into a music context.
The philosophy that shaped the 32E was rooted in a belief that the mixing desk should adapt to the engineer rather than the other way around. This led to a series of design decisions that distinguished the 32E from its peers: an unusually high number of auxiliary sends, a flexible routing matrix, and the controversial but liberating decision to give every input channel its own fully featured equaliser rather than sharing EQ modules between inputs.
The broader history of analogue mixing consoles informs why those choices mattered. To understand how vacuum-tube designs gave way to transistor circuits, and how those in turn yielded the operational-amplifier-based architectures that defined desks like the 32E, you can trace the console design evolution from tube to op-amp through several distinct generations. The 32E sits firmly in the op-amp era, but it borrows transformer isolation from the transistor consoles that preceded it, giving it a sonic personality that many engineers describe as somewhere between the bite of a Neve and the precision of an SSL.
The EQ on Every Channel Layout
Functionally, an equaliser on every channel means an engineer never has to compromise between which microphone preamp goes where simply because two inputs must share a single EQ module. On a console with shared EQ, the engineer is constantly routing signals to whichever channel happens to have a desirable equaliser available, which can slow down a session and force creative decisions to be made for logistical rather than musical reasons.
The 32E instead delivered a four-band parametric EQ per channel, complete with high-pass filter, two swept mid bands, high and low shelving, and a switchable Q. Each band could be patched or bypassed independently, and the design allowed the engineer to A/B the equalised signal against the dry input at the push of a button. For producers working on dense productions typical of the early 1980s, this layout meant a snare could be tuned, a vocal could be de-boxed, and a guitar could be sweetened without ever repatching a cable.
The practical implication was that a single engineer could shape the tonality of an entire mix from the channel strip alone, reserving outboard equalisers for the few sources that demanded something more aggressive. Australian engineers at the time, particularly those at Festival Records and Albert Studios in Sydney, found this approach ideal for tracking the dense rhythm-section arrangements common in the local pop productions of the era.
Signal Flow and Routing Innovations
The 32E was also among the more routing-flexible consoles of its generation. It offered eight auxiliary sends per channel, which was generous even by the standards of the larger consoles from SSL and Neve. Four of those sends could be switched between pre-fader and post-fader operation, allowing the same send to be used for both monitor mixes and effect returns depending on the configuration of the mix.
The console adopted an in-line monitoring architecture, meaning each channel strip contained both the input path for the recording signal and a separate monitor path that returned from the multitrack tape. This double-duty design was shared with desks like the SSL 4000 and the Neve 8068, but Harrison implemented it with a slightly different routing philosophy. The monitor path on the 32E was treated as a fully featured channel in its own right, with its own EQ, pan, and fader, which meant the engineer could essentially mix twice: once through the channel path and once through the monitor path.
For an engineer tracking a vocal to tape, the workflow looked like this: the channel path carried the incoming microphone signal, while the monitor path simultaneously played back the previously recorded take from tape. As more tracks were laid down, the engineer could build a rough monitor mix on the same surface, using the EQ and fader of each monitor path to shape what the performer heard in the headphones without disturbing the levels going to tape.
The 32E also offered one of the more sophisticated automation systems of its era when paired with the optional Harrison AutoPilot computer. Engineers at Sing Sing Studios in Melbourne were among the earliest Australian adopters of this combination, using it to handle the dynamic mix moves that defined the synth-pop productions recorded there in the early-to-mid 1980s.
Sonic Character and the In-Line Workflow
Sonically, the 32E occupies a middle ground that some engineers describe as "American clean with a hint of British bite." The transformer-balanced inputs and outputs gave the desk a subtle warmth, particularly when driven hard on rock vocals or drum overheads, while the op-amp-based summing circuitry kept the low end tidy and the stereo image stable. Compared with the brighter, more aggressive top end of an SSL 4000E, the 32E tended to feel slightly darker and more rounded, which made it a particular favourite for vocal sessions.
The in-line workflow encouraged a style of mixing that was incremental rather than holistic. Engineers would build a rough balance during the recording sessions, refine it during overdubs, and then move into a final mix pass that took advantage of the desk's snapshot automation. For producers who liked to commit to sounds early and develop them across an album, this approach offered a kind of continuity that consoles requiring constant repatching could not.
Several Australian recordings from the early 1980s bear the imprint of a 32E in their texture. Engineers at the Australian Broadcasting Corporation's studios, as well as independent facilities like Rhinoceros Studios, used these consoles on projects ranging from jazz and classical sessions to pop productions. The desk's flexibility made it well suited to the diverse bookings that defined the Australian studio landscape of the era, where a single room might handle a film score by day and a pub-rock band by night.
Harrison 32E Compared with Contemporary Consoles
| Feature | Harrison 32E | SSL 4000E | Neve 8068 | API 1608 |
|---|---|---|---|---|
| Equaliser per channel | Yes (4-band parametric) | Yes (4-band) | Yes (4-band) | Yes (3-band) |
| In-line monitoring | Yes | Yes | Yes | No (split monitor) |
| Aux sends per channel | 8 | 4 | 8 | 4 |
| Transformer I/O | Yes (input + output) | Yes (mic input) | Yes (throughout) | Yes (mic input) |
| Built-in automation | Optional AutoPilot | Yes (SSL automation) | Necam option | No |
| Frame sizes available | 24 to 48 channels | 24 to 56 channels | 24 to 60 channels | 16 to 48 channels |
A glance at the table shows that the 32E held its own in aux send count and EQ capability while sitting in a similar transformer-equipped class as the Neve and SSL offerings of the period. The optional nature of its automation package was a meaningful difference, however: studios that did not invest in the AutoPilot system operated a manual desk, while SSL desks shipped with automation included.
For a smaller studio weighing investment, consoles like the DDA AMR24 offered a competing vision of the independent console market, prioritising compact size and approachable pricing over the 32E's sprawling flexibility. The full history of the DDA AMR24 demonstrates how the late 1970s and 1980s were a particularly rich period for independent engineers seeking alternatives to the dominant large-format desks.
Caring for and Operating a 32E Today
Engineers and studios that still maintain a 32E tend to share a small set of practical habits that keep the console healthy and the sessions productive. Looking after a desk of this age requires attention to a few specific details.
- Stock a small cache of the original EQ cards and the proprietary Harrison op-amp chips, since these are the parts most likely to fail and most difficult to substitute with modern equivalents.
- Schedule a yearly recapping of the channel strips, because electrolytic capacitors in a console of this age are well past their design life and can begin to leak or drift.
- Keep the patchbay clean and clearly labelled, and document every routing decision in a session log so the next engineer can reproduce the workflow without trial and error.
- Pair the desk with a modern monitor controller and a clean summing interface if you plan to integrate it into a hybrid DAW-based workflow alongside Pro Tools, Logic, or Reaper.
- Source a local technician familiar with transformer-balanced op-amp consoles before attempting major service work, since the wiring conventions differ from later SSL and Neve designs.
Reading about the Harrison 32E only takes you so far. If you want to hear what the desk does to a vocal, a drum kit, or a string section, look for sessions recorded at Studios 301 in Sydney or at one of the regional Australian studios that still maintain their original 32E installations. Many of these facilities offer mix days or engineering internships where an interested producer can sit behind the console and put its unique routing and EQ layout through its paces.
For readers who want to dig deeper into the design lineage that produced desks like the 32E, or compare it against other landmark consoles from the same era, the rest of the Mixingconsole.org archive is worth a long evening. The site's coverage of console architecture, automation history, and modern DAW integration provides a useful framework for understanding why desks of this generation continue to influence how records are made today, from a smoky inner-Melbourne rehearsal room to a film-scoring stage at Fox Studios Australia.