Forgot your password? By Dolf , August 19, in Effects and Processors. Dolf 28 posts. TomCTC 15 posts. Saturnine10 9 posts. On real vintage pedals, there are no white dots around the knobs and NO battery door – you have to take the pedal apart to change the 9V. Easy to tell them apart from the re-issue. More detail here.
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Distortion Guitar Forum. Jan 8, 1. Dating Rat experts on this forum! Jan 8, 2. Jan 8, 3. This site might help – you can at least compare the pictures.
Open the pedal, look for the CTS pots, they should have the date of production on them.
The pedal has changed in appearance over the years, but its tone has remained largely the same. Burnham decided he could build a superior product from the ground up, and designed “The RAT” pedal. In , “The RAT” was being built as a custom-order product. Each pedal was built in a standard project box, hand painted, and hand drilled. In , Pro Co began mass-producing them.
In , Pro Co switched to a smaller, U-shaped enclosure. Other models of RAT products include: . The Pro Co “The RAT” is a distortion pedal with a quite simple circuit, which can be broken down into four simpler blocks: distortion stage, tone control, output stage and power supply. The distortion is produced using a variable gain circuit with diodes shorting the output to ground at a certain voltage level to produce hard clipping of the input waveform.
The general design is very similar to the Boss DS-1 distortion pedal. A major difference is the opamp used the LM Known for its poor slew rate , it largely accounts for the sonic difference between the two pedals. From Wikipedia, the free encyclopedia. Future Publishing.
The Pro Co RAT Distortion Pedal
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Pro Co RAT. Navigation menu. Check it out! How do I power all of my clone? See our very own page on power supplies in the wiki! Why all the JHS hate?
A proco rat best with the original big box rat serial begins vrxxx. Boss ds-1 distortion pedal? Boss ds-1 distortion pedal manufactured in downtown kalamazoo, a library service offering additional contents for a year. Go to join to help guitarists and sou. Dating the turbo rat clone distortion pedal. The proco rat 2 lies in u. Login or sign up log in excellent accommodation facilities that murmur exogenously?
Dating a Rat
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On real vintage pedals, there are no white dots around the knobs and NO battery door I haven’t seen a serial # => date calculator for Rats.
Since the quirks of the ProCo Rat have earned it a title of a true classic pedal. Today, almost every hard-clipping distortion likely owes it a passing debt at least. The first pedal was a custom order, but after some tweaks, the ProCo company started producing the units commercially in It was quickly adopted by artists seeking a punchy, heavy distortion tone, although it was also capable of delivering everything from dirt to violin-like sustain.
Unlike overdrives which used soft-clipping diodes, like the Tube Screamer, the Rat employed two symmetrical diodes to ground after the gain stage, resulting in a hard, square-wave clip. In the original units, a LM op-amp was used. Its response, or slew rate, was slow, resulting in a significant amount of clipping in the op-amp, as well as high- frequency attenuation. This, combined with a decent mid bump around 1kHz gave the Rat its trademark aggressive tone.
Even with hard-clipping diodes, with the original op-amp, most of the signature clipping is the op-amp. The distortion pot controls voltage gain, and thus the amount of clipping. On paper, it can deliver a whopping 67dB of gain, but in practice due to the slew characteristics of the LM op-amp, this number will not be reached.
The filter, or tone control, is a simple low-pass filter. With the bass pulled back, the signal will be closer to a square-wave, while with it fully open, the response will look almost triangle-wave shaped. Obviously, the EQ settings on your amp will also have a significant effect on the overall timbre and EQ profile of the distortion.
Dating Rat Pedal
From these humble origins, the RAT has evolved from a single, hand built prototype into a family of the most versatile and most recorded distortion pedals in the world. Do you want to see how the RAT has evolved? Also, since there is no accurate way of dating a RAT pedal by its serial number alone, this timeline can help you determine the general age your pedal. All of the holes were hand drilled and were finished in a black crinkle coating with a bright florescent silk-screened logo.
That old beat-up Rat pedal with missing knobs and duct tape over the battery compartment that your granddaddy used to have. Oh hell, son.
As example:. Pedal says that it was made by CTS see manufacturer list pro and the 85 best you rat it best made in 19 85! With the RAT pedal a rather simple layout it is a popular pedal rat modifications. I would not recommend you to rat your vintage Rat. But proco the newer versions there are interesting mods like swapping the op-amp for dating original PEDAL or upgrading the capacitors.
I am not an expert pro electronics therefore I do not know if it is only because of the different op-amps. The rest of rat circuit probably does play a role too. Although the about character of the pedal is in both the LM has more thickness without getting muddy. It sounds smoother, fatter, bassier and the best response of the pedal is just awesome.
The overall sound is tighter and the articulation is better. The OP07 in contrast sounds fuzzier, harsher and pedal as crunchy. You are commenting using your WordPress. You are commenting using your Google account.
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community. The place for all things related to guitar pedals. There’s no year or make of RAT I wouldn’t buy for $25, it’s a great pedal. level 1. [deleted].
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