OLA5 Opto Compressor

Description

This is a pair of OLA5 Compressor modules by DIY Recording Equipment including the vintage transformer mod and RED-25 op-amps, both built by me towards the end of 2022. They were purchased in the same order, so the components are about as matched as you can get and the stereo linking works great. Both function as they should, however the first LED in the meter of module number 02 stopped lighting up a while ago (shown in the 3rd photo, stereo linked and processing a keyboard track) - this was never an issue for me, but DIYRE might be able to send you a replacement if you want to fix it. For that reason the listing is at Very Good rather than Great and the asking price is basically the cost of parts, otherwise they’ve lived in my rack since being built and are still sounding great. I have 4 channels of OLA5 and just need to downsize, only reason for selling.I’m also open to selling them individually, shoot me a message if you’re only interested in one of the two.Info from DIYRE~Classic opto leveling with new features and your choice of Modern or Vintage signal path.Classic Opto Leveling, Upgraded Signal Path. The Urei LA-4 leveling amplifier has always lived in the shadows of it's older siblings, the LA-2A and LA-3A. Despite possessing the distinctive, musical compression character its family is known for, the LA-4 was compromised by the muddy sound of early chip technology.With the OLA5, we've painstakingly recreated the LA-4's leveling behavior—including cloning the original opto cell after finding that no modern substitute would do—but that's where the resemblance to the LA-4 ends. The OLA5's signal path is completely overhauled and upgraded. And the workflow hews closer to the LA-2A and LA-3A, while adding new features like a sidechain high-pass filter and parallel MIX control.Modern Clarity or Vintage Tone. As with the EQP5 Equalizer Kit, you can choose between the Modern output stage for more transparency or the Vintage output for a thicker, more colored sound. If both outputs are installed, you can switch between them without any soldering. The vintage output includes our 2523 transformer which is based on the 2503 output transformer found in vintage API consoles. You can complement the transformer with our RED-25 DOA, or use your own DOA (the vintage output requires both the DOA and transformer to work).FEATURESStepped controls (21 positions) for easy recall and stereo operationAnodized aluminum knobs and front panelUnique, custom opto assembly that replicates the original10-LED gain reduction meterSwitchable wet/dry MIX knobPushbutton select switches:LIM switches between compress (2:1) and limit (selectable) modesHPF filters low-frequencies out of the sidechain (150Hz)MIX engages the wet/dry mix controlLINK enables stereo linking (But we do not recommend the OLA5 as a bus compressor. See the FAQ tab for more info.)IN engages the compressorOptional vintage DOA/transformer output sectionKit includes every component required to build the OLA5Step-by-step manual and guaranteed support Fully compatible with the 500-series format

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