I was at a casino last weekend, sitting in a bar with a couple of friends and listening to this great duo play classic rock hits. During one of their breaks between sets, I went to the stage to talk to the guitarist (he had a cool name: Buford) and checked out his gear. He had a fairly simple setup: Just two effect boxes going into a Vox amp modeler that then went straight into his mixing console. What caught my eye though were his two effect pedals, both by Demeter (pronounced Deh’ meh tur) Amplification. One was Demeter’s FUZ-1 Fuzzulator drive box, and the other was the Opto Compulator. I knew a bit about the Fuzzulator, but I wanted to know more about the Compulator, as I’ve been considering purchasing a compression pedal for some time. So I asked him a few questions about the box. Here’s how the conversation went:
What’s your main application for the compressor?
Even though this is a pretty small stage, we’re playing in a fairly open environment at low volume. When I need to play distorted, I’ve got to fatten up my signal a bit, so I can cut through the crowd noise. Distortion always thins out your tone a bit, so this helps me compensate for that.
Doesn’t a compressor affect your overall tone?
In general, yeah. But this has got to be the most transparent compressor I’ve ever used. With this box, I maintain my tone, but just give it a slightly fatter delivery. And like I said before, in this environment, I need a fatter signal to cut through the crowd noise. I’ve played with a bunch, and this one is the absolute best I’ve ever had.
So what’s so special about the Compulator?
Like I said, it’s really transparent, and the compression effect is so subtle, most people wouldn’t even notice – I hardly notice it myself, but I know when it’s not on. And maybe there’s a bit of me being used to the sound. Other than that, it’s real easy to use. You have two knobs: The left-hand knob controls the amount of compression you want to dial in, and the other knob controls the gain. You also have a little trim dial on the side that you can adjust with a small screwdriver to trim the volume up or down – but I’ve never had to use it.
Can I do an A/B comparison from a slight distance away?
Sure thing. Step back about 20 feet, and I’ll show ya.
So I stepped back, and he played some chords and riffs with it on, and with it off. I’ll be damned! He was right. His tone was the same, but had just a tad fatter quality! Now that’s transparency! And that demonstration convinced me on the spot that the Compulator is the box I’m going to buy.
About compression…
For a good article discussing the general concepts of audio compression, click here. It doesn’t go into into the heavy technical details of compression, but it definitely helps to demystify how it works. For a more comprehensive and technical discussion, click here.
COMP-1 Opto Compulator Features
- Compress Knob – controls amount of gain reduction up to 30dB.
- Volume Knob – increases/decreases the output volume (aka “makeup gain”).
- Trim Pot – very nice feature to adjust the unit’s preamp gain. If you plug a hot instrument into the unit, you could get distortion. You can knock down the input gain to avoid that.
- Powered by a 9 volt battery, but also has a standard 9V jack.
- Street Price: Generally around $199.00 (do a Google search)
My prospective usage
I normally play in very small, low-ceiling venues, so compression has not been a big issue for me. However, when I play with my band at my church, I have to play at fairly low volumes, which makes playing in distortion a huge challenge, because in order to hear the effect, I have to turn up my volume. That usually makes me stomp on the mix. With a fatter signal, I should be able to punch through the mix much more effectively without having to pump up my volume too much (or as much as I have been 🙂 ).
After hearing this unit, I’m convinced this is the right pedal. And getting input directly from a guy who swears by it and was willing to demonstrate how it worked had me sold.
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