Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
1909 |
Audio amplifier invented by Lee De Forest when he created the Triode Vacuum-Tube. The amp was used to make the first AM radio machine, not used for instrument volume/tone control. |
|
|
1930s |
Introduction of Electrolytic Capacitors - Allowing production of built-in power sup;yes that could be plugged into wall electric points. |
|
|
1940s |
Electronic amplification popularised. The craze for Hawaiin music amplified meant many musicians used the lap steel Hawaiin guitar, this made great use of the first amps available. |
|
|
1945 |
Kauffman+Fender (fender) tube powered amp created. Not the best quality at this time. |
|
|
1947 |
Williamson Valve Amp. Notably the first valve amp to be of high quality, this amp was one of the first to be used for instrument use. |
|
|
Mid 1950s
|
Higher power amplifiers available. Prior to the mid-50s, amps used low power + could only reach up to 15 watts, meaning the audio quality would suffer+distort when too loud. |
|
|
Mid 1950s (2) |
Tone controls were simple. Provided a good deal of treble boost, however at the time had a poor bass response, little could be adapted on the amp itself without sounding dissonant. |
|
|
1960s |
Distortion created through amps. Guitarists like Dave Davies (Kinks) produced distortion effects by connecting output from amp 1 into input of amp 2. |
|
|
1962 |
First transistor amp introduced by Kay. Offered longer life and low heat generation. |
|
|
1963 |
Solid State Starfire line by Gibson introduced. |
|
|
1990s |
Digital amps modelling historical designs. Line 6 became well known for bundling dozens of digital effects, amplifiers and speaker combinations into a single transportable package. They created digital amps which mimic the sound of old vintage tube amps. |
|
|
2000s |
Distortion, a big part of Blues Rock and Metal tracks. By the 2000s, music had changed so much that it was necessary for guitar amps to all come standard with distortion and OD controls. |
