Pete's Place Audio BAC-500

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Pete's Place Audio BAC-500 Description

If you're looking for the quickness and control of an FET compressor with more character and tone options, as well as being easy to dial in...look no further than my friend Brad Avenson's BAC-500 for your 500 series needs.

Designed by Brad Avenson of Austin, Texas-based Avenson Audio, the BAC—short for Brad Avenson Compressor—is a feedback-style FET compressor built around two discrete op amps and a custom wound output transformer.

“We are thrilled to finally be collaborating with Brad on this project,” says Pete’s Place Audio President Lisa Montessi. “His experience, knowledge and passion really shine through in everything he creates and the BAC certainly is no exception. It’s a fantastic compressor and it’s going to make a lot of 500 Series fans very happy.”


From the top down, the BAC’s faceplate features a large silver rotary input knob, smaller pots for attack, release and ratio, and a large output knob at the bottom. Additional features include a three-position sidechain contour switch, eight-LED gain reduction meter, and pushbuttons for distortion and bypass.


The module’s attack control runs from fast to quite fast, while the release control exhibits a fairly wide range, enabling the compressor to go from “pumping, breathing fast” up to approximately a second and a half. This allows sounds to “hang” a bit when using the device purely as a leveler or limiter.


The ratio control features five positions ranging from 2:1 to 20:1, with a sixth position marked as “∞!”. According to Avenson, “The infinity control has a little exclamation point next to it because, not only is it really flat, but it also puts you in that spot where you can do some over-compression and other interesting things. It changes where the threshold starts to compress as well, so it gives you different varieties of tonal characteristics to play with.”


The BAC’s sidechain toggle switch offers a choice of three possible settings: flat, high-pass filter (cut off around 70 to 100 Hz), and an option that somewhat exaggerates the high end while simultaneously cutting the low end. “The overall effect of this third setting is somewhat like a de-esser fed into the sidechain, but it’s a little wider than that and quite good for taming a variety of things that are overly bright,” Avenson notes.


With all of the controls essentially cranked between the input and output knobs, the BAC is capable of delivering nearly 50 dB of gain, which can be very helpful in compensating for serious gain reduction issues caused by greatly compressing dynamic range.


The bypass button found below the output knob is a true relay bypass, while the adjacent distortion button allows the user to achieve a true bench FET compression sound. “A lot of FET compressors use tricks to linearize the FET as a compression element and make it sound cleaner because if they’re used solely by themselves, they’re really pretty raunchy sounding,” says the designer. “So this switch allows you to play with how much of the frequency response and distortion characteristics of the FET you get. By engaging it, you’re getting a lot more second harmonic distortion and aggressive sounds because we’re taking away some of the linearizing elements. It’s basically a way to kick in a more aggressive sounding compressor without changing any of the other settings. You can dial in the amount of dirt you want.”


Avenson sums the BAC up by adding, “Although this product is largely designed to provide a bit of color and flavor—and not be too heavy handed—it really does possess that nice ‘bite’ that is characteristic of FET compressors and perfect for cranking down on things like drum room mics when you need it.”


Pete’s Place Audio is an umbrella organization founded to bring a wide variety of handcrafted, innovative, boutique recording and live audio products to market. Under the leadership of President Lisa Montessi and backed by the manufacturing expertise of A-Designs Audio, Pete’s Place collaborates with some of today’s most talented recording artists and engineers to help determine what products, regardless of how esoteric, they feel are missing in the studio and live performance environments.


Pete’s Place BAC-500 Compressor Review / See All ZenPro Audio Reviews Here: Review Page

 

Brad Avenson has been around a while and designs for himself and other companies. I’ve always found Brad to be very insightful and striving to do something unique without boasting or having an attitude or ego. If Brad had an ego he could certainly use it to boast about this compressor, which hits many a nail on many a head effortlessly! The BAC-500 is a transformer out balanced FET compressor for the API 500 format and features switchable ratio select (2:1, 4:1, 8:1, 12:1, 20:1, INF:1), variable attack and release times, 3 sidechain selections (flat, low-cut, upper mid boost to help with de-essing), a true relay bypass and a distortion circuit to bring more character and grit when needed.

 

I find the BAC500 to be very flexible in use on many sources. It has a thick character to it for sure, no straight wire with gain stuff going on here. Not a straight distortion kind of character but a smoother, more rounded sound overall. The attack time is fast and faster, if you want to you can really latch a signal down QUICK. The release time however can be adjusted very wide for super long times if needed. With the ability to perform light gain reduction to essentially acting like a limiter, it exhibits lots of control. In standard operating mode it brings smooth control over vocals and instruments and drums, but if you kick in the distortion switch it adds an edge to the sound that bites slightly and helps define the “outline” of the sound better. Things like el gtrs, drums and loud vocals LOVE the distortion switch! It can sing nicely for sure. The input gain is pretty hot, I find the BAC 500 typically works best no trying to send it super hot signals as the lower portion of the input gain pot can be a bit finicky.

 

The sidechain choices are great, I really like position # 3 on vocal use as it exhibits tons of control but also acts as a de-esser too for a very balanced sound. When trying to achieve that flat-lined and in your face vocal, this setting comes in handy so the S’s don’t rip your ears off. Drums can be crunched up nicely with faster release times. Bass guitar is handled very well, and the sidechain # 2 position doesn’t get too pumpy either. Overall this compressor has a “glue-y” sound and a thick sonic space that is unique. I kind of think of the BAC-500 as the FET compressor you wish you always had: it holds stuff in place very well without that hard sort of midrange sound that many classic FET compressors exhibit.

 

Conclusion: When it comes to ease of use and character, the BAC500 just does it. I like the versatility and the fact that it can be very heavy handed when needed. For vocal mixing with character and in your face sound, as well as bass guitar control…it is a great reach.


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