Dallas Rangemaster Treble Booster Pedal

13th June

Eric Clapton’s guitar playing with John Mayall and the Blues Breakers on the 1965 album “John Mayell Blues Breakers with Eric Clapton”  (An album quite often referred to as “The Beano Album”), made use of a Gibson Les Paul Standard 1959 guitar, a Marshall Model 1962 Combo amp, and a Dallas Rangemaster Treble Booster Effects Pedal. This particular sound set a standard as the Fat and Juicy British Blues-Rock Tone.
Clapton’s long-standing association with Mayall and company has caused a large number of people to try and capture that “Special Tone”.
This has lead to modern day re-creations of the electronic equipment used back then, in particular the Dallas Rangemaster Treble Booster Pedal.


The Dallas Rangemaster

The electronics inside the Dallas Rangemaster consist of a Mullard OC44 germanium transistor as the main active component.
These germanium transistors of the late 1950s to mid ’60s are known for their creamy and smooth sound, compared to silicon transistors which became more prevalent in the late ’60s and early ’70s and now dominate the electronics industry.
Other Germanium transistors were sometimes used in place of the OC44, such as the Newmarket NTK275 and the CV7003 which is the military spec of the OC44.
Of course other germanium transistors will work in place of the OC44, and trying other transistors is part of the fun and interest that building pedals holds. (You never know what kind of sound you will get, you might even invent something new).

Apart from the Mullard OC44 germanium transistor there are three resistors, three capacitors, a potentiometer for controlling the boost, and a 9-volt battery.
Not an awful lot of components, but an original example of a Dallas Rangemaster Pedal will cost you several hundred American dollars.

There are quite a number of small business pedal makers around these days, all with a varying degree of quality, and with a varying price range.
Some pedals are more complicated and difficult to build than others, but the Dallas Rangemaster must be the easiest of them all.

You do not need to be knowledgeable in electronics to follow pedal building instructions, and you will learn as you go along.
Building and repairing your own Guitar Effects Pedals can save you a lot of money as well as being an interesting hobby.  Some people have turned this into a business, even part-time and made money.
Whichever way you want to do it, it is enjoyable and interesting, and when you play your guitar through it, it is very rewarding.


Learn How to Build or Mod your own Guitar Effects Pedals CLICK HERE.

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