Leo Fender

A Memory-Filled Journey Into The Life Of Guitar Legend Leo Fender

A Memory-Filled Journey Into The Life Of Guitar Legend Leo Fender The world occasionally produces one of those rare thinkers whose name becomes iconic. Thomas Edison lit up the world; Albert Einstein profoundly altered the study of physics; Walt Disney reimagined entertainment; and Leo Fender perfected  the electric guitar. Fender grew up in Fullerton, California, where his interest in electronics lead him to open his own radio repair shop in 1938. It wasn’t long before […]

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Amp Valves

Valve Suppliers and Resellers, make sure you know the market

Valve Suppliers and Resellers (see note) When your amp needs new valves no doubt you will read the reviews of all the differing  manufacturers of amplifier valves and what they have to offer. It appears that there are loads of different manufacturers but in fact there are only three main manufacturers on the planet. There are a few other specialists  but they make so few and mostly for high end HiFi. The companies that own

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Typical Phase Splitter Schematic

Phase Splitter Valves they do influence your amp tone

The phase splitter valve while it is a pre-amp type valve is really not part of the pre-amp chain at all. It is actually part of the output stage.  When an amp has two or more valves then it operates in a mode called push pull. Its  job is to invert the signal so that one of your two output valves is driven at any one time. This is a an oversimplified description but I

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Ampeg B200R a Sad Tale…maybe you can advise us?

We were asked to have a look at an Ampeg B200R bass amp.  This is a Chinese built amp and is known to have a few challenges. Faults include badly fitting chassis in the case resulting in the chassis being damaged and known to fail when the speaker is switched from ” no horns” to “horns” jack socket. This failure mode is caused by the panel which is mounted in the chassis with the speaker

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Orange Rockverb Amp Repair

Unexpected Valve wear in an Orange Rockerverb 50 MkIII

Over the weekend I had the pleasure of  doing a quick service on and Orange Rockerverb MkIII.  The amp is just coming up on two years old and gigged at least every week. The owner reported that the amp was creating murky distortion and it sounded so horrible it was no longer useable. So this amp is experiencing a lot of lugging around and used at giigs lasting 3 hours or more.  He was leaving

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