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API® Summing

API® Summing

Exclusively for LUNA Recording System

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$299.00

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$299.00

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Get the punchy sound of API console summing — exclusively for LUNA.

The sound behind five decades of landmark albums, API consoles are legend for good reason. From Stevie Wonder's Talking Book and Fleetwood Mac's Rumours, to The Cure's Pornography and Radiohead's Hail to the Thief — the mid‑forward punch of API's classic analog consoles breathe aggressive, multi‑dimensional color into your mixes.

Developed in partnership with API, exclusively for LUNA Recording System, the API Summing Extension emulates the 2520 op‑amp and custom output transformer-based summing amps found in legendary API consoles over the past 50 years — giving your LUNA mixes all the attitude and tone of API's esteemed analog desks.

Now You Can:

Easily add power, clarity, and mid-forward punch to your mixes with the first authentic emulation of API analog summing

Use per-bus Headroom and Trim controls for subtle tone sculpting over your entire mix.

Harness the complex nonlinearities and musical clipping that define the API sound

Sum individual channels or your entire mix through API's hallowed bus or master summing modules

Genuine API Summing for your Mixes

Genuine API Summing for your Mixes

Taking you beyond any summing plug‑in, the API Summing Extension is built into LUNA's mixer, capturing the sonic detail of API's iconic bus channels. This workflow eliminates the need to manage multiple plug‑in windows. Simply push up faders and use the per‑bus Headroom control to add character and dynamic enhancement.

Why API Summing?

Why API Summing?

When audio sources flow through an API console — specifically the 2520 op‑amp and custom output transformer — random analog nonlinearities work together, producing complex, musical harmonics and transient clipping. These summed signals add punch, depth, and character for a mid‑forward, lively mix.

Getting it Right

Getting it Right

UA dissected and studied multiple API consoles — pouring over original service manuals and gaining crucial insight into their discrete Class A operation and hybrid voltage/current summing circuitry — in contrast to the Neve 80 series pure current summing. UA's team of engineers throughly emulated all of the nonlinearities and clipping characteristics, plus API console fader taper and pan law, giving you the same chart‑topping results as API's flagship consoles.

Customer Reviews

API Summing

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