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Read ad through for shipping info.See store for more cool finds.The Pete Townsend pedal.Here you go. A holy grail (I pray and hope), silver screw Boss OD-1. It's battered and bruised like a hard working overdrive should be but all good where it counts. This is an early one with the 14 pin Raytheon chip. I know there are many on Reverb more knowledgeable than I so any info is welcome.Here's what Analogue Man has to say about these legends...The Boss OD-1 was about the first OVERDRIVE pedal made, except perhaps the Ibanez Overdrives. But the early Ibanez pre-tube screamer OVERDRIVES were quite fuzzy and distorted, while the OD-1 is the first of the "tube screamer type" overdrive pedals. It was in the very first series of the Boss Compact Effectors. The OD-1 came out in 1977 and was discontinued in 1985. They were very popular in the LA metal scene in the mid 80s and the Japanese scene in the same time and much longer. The SD-1 took over from the OD-1 in the mid 80s but people still wanted that pure OD-1 sound. The OD-1 (and SD-1) use asymmetrical clipping, which Boss has a patent on, to give some thick overdrive with an edge. Tube Screamers use symmetrical clipping for a smoother, warmer, less edgy sound.Boss OD-1 Overdrive Mods By Analog ManThe Boss OD-1 was about the first OVERDRIVE pedal made, except perhaps the Ibanez Overdrives. But the early Ibanez pre-tube screamer OVERDRIVES were quite fuzzy and distorted, while the OD-1 is the first of the "tube screamer type" overdrive pedals. It was in the very first series of the Boss Compact Effectors. The OD-1 came out in 1977 and was discontinued in 1985. They were very popular in the LA metal scene in the mid 80s and the Japanese scene in the same time and much longer. The SD-1 took over from the OD-1 in the mid 80s but people still wanted that pure OD-1 sound. The OD-1 (and SD-1) use asymmetrical clipping, which Boss has a patent on, to give some thick overdrive with an edge. Tube Screamers use symmetrical clipping for a smoother, warmer, less edgy sound.The original OD-1 was made with a QUAD OP AMP CHIP, seen at the left. This RC3403D chip has 14 pins. Some early ones (1978) used an NEC uPC4741C quad op amp instead. Later versions used a common dual op amp, with 8 pins. Usually a 4558 chip was used, and often the famous JRC4558D as seen on the right. But the sound of the later unit with the smaller chip was NOT the same as the original version. The oldest versions will have a metal thumbscrew and ink-stamped serial number in the battery compartment. But some with the small chip have those features, too (1980). So the only way to tell if you have the GOOD ONE is to look inside for the chip and see if it is the small one (8 legs) or the big one (14 legs = best tone).In the BOSS BOOK, they say that they stopped using the big chip (made by Raytheon in the USA) because they had some failures. They switched to a Japanese made IC instead. I think it may have had more to do with cost and using Japanese parts, but for whatever reason, the circuit changed and I think in a detrimental way.Contact us with your address for an accurate shipping quote.Items are packed properly and shipoes within 24 hrs.
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