According to Jim, Ritchie Blackmore, Big Jim Sullivan and Pete Townshend were the three main guitarists who often came into the shop and pushed Marshall to make guitar amplifiers and told him the sound and design they wanted. then expanded, hired designers and started making guitar amplifiers to compete with existing amplifiers, the most notable of which at the time were the Fender amplifiers imported from America.These were very popular with guitarists and bass players, but were very expensive.At the time, Marshall says that most felt the Fender Bassman was the amplifier to beat – but it wasn’t perfect.“Players like Pete Townshend, Ritchie Blackmore and ‘Big’ Jim Sullivan (one of the busiest session guitarists in England) pointed out to me, that although they used the Fender, it didn’t produce the sound they wanted.
S.) and high power RF transmitters, as a display device in television sets and in microwave ovens.
The electrodes are attached to leads which pass through the envelope via an air tight seal.
On most tubes, the leads are designed to plug into a tube socket for easy replacement.
Vacuum tubes, or thermionic valves, are arrangements of electrodes in a vacuum within an insulating, temperature-resistant envelope.
Although the envelope was classically glass, power tubes often use ceramic and metal.
The three guitarists were among the first customers of the first 23 Marshall Amplifiers made.
Jim Marshall thought he could produce a cheaper alternative to American-made guitar amplifiers, but as he had limited electrical-engineering experience he enlisted the help of his shop repairman, Ken Bran, an EMI technician, Dudley Craven, and Ken Underwood.
and, having acquired Natal Drums, drums and bongos.
It was founded by drum shop owner and drummer Jim Marshall, and is now based in Bletchley, Milton Keynes, Buckinghamshire.
Marshall's guitar amplifiers are among the most recognised in the world. This signature sound was conceived by Marshall after guitarists, such as Pete Townshend, visiting Marshall's drum shop complained that the guitar amplifiers then on the market didn't have the right sound or enough volume.
Many of the current and reissue Marshall guitar amplifiers continue to use vacuum tubes, as is common in this market sector.