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Thomann's Cool Online Guides: Guitar Amp Heads

8. Conclusion

Though there are other options, the
StackA form of guitar amplification, generally associated with rock music, in which the amplifier circuitry ('amp') is separate from (and usually placed on top of) one or more speaker cabinets ('cabs').
stack
remains a rock icon, and is still the most flexible form of guitar amplification. The variety of amps and cabs available has never been greater, and a
StackA form of guitar amplification, generally associated with rock music, in which the amplifier circuitry ('amp') is separate from (and usually placed on top of) one or more speaker cabinets ('cabs').
stack
is no longer the prohibitively expensive option it once was.

ValveA device consisting of a glass tube from which air is removed, containing one or more electrical contacts operating at high temperature, which as the predecessor of the transistor, was essential to the development of electronics (particularly amplification) and is still favoured in guitar amplification and high-end hi-fi for its warm sound.
Valve
amps do need a little more care and attention than
TransistorAn electronic component which is the foundation of modern electronics, used to amplify and switch signals. As a discrete device, the transistor largely superseded the thermionic valve (tube) from the 1950s onwards; integrated circuits (commonly known as silicon chips) are essentially miniaturised arrays of thousands or even millions of transistors.
transistor
amps, however. ‘Standby’ mode is a feature of most, and unlike the energy-wasting feature built into many domestic appliances, it exists for good reason -
ValveA device consisting of a glass tube from which air is removed, containing one or more electrical contacts operating at high temperature, which as the predecessor of the transistor, was essential to the development of electronics (particularly amplification) and is still favoured in guitar amplification and high-end hi-fi for its warm sound.
valve
amps should always be switched on in
SleepA mode of operation found on many consumer devices and computers, where the device is powered off in an operational sense, and devices such as hard drives and fans are shut down, but the device may be 'woken up' quickly using a remote control or other means. Though sleep mode usually draws far less power than full operation, some power is still used and, in an era of increasing environmental awareness, this is increasingly seen as unacceptably wasteful.
standby
mode for around thirty seconds to allow the valves to warm up before they are subjected to an
AudioGenerally used to mean "sound"; technically it describes periodic fluctuations of air pressure or electrical energy at frequencies and amplitudes within the human range of hearing; sound, or electrical energy that represents sound; acoustic, mechanical, or electrical frequencies corresponding to normally audible sound waves.
audio
signal, and this process should be reversed when powering down.

Most general electronic equipment can be used with little attention until a fault appears -
ValveA device consisting of a glass tube from which air is removed, containing one or more electrical contacts operating at high temperature, which as the predecessor of the transistor, was essential to the development of electronics (particularly amplification) and is still favoured in guitar amplification and high-end hi-fi for its warm sound.
valve
amps however, should ideally be serviced around once a year, even if nothing seems wrong - partly to keep them sounding good, but also because certain types of
ValveA device consisting of a glass tube from which air is removed, containing one or more electrical contacts operating at high temperature, which as the predecessor of the transistor, was essential to the development of electronics (particularly amplification) and is still favoured in guitar amplification and high-end hi-fi for its warm sound.
valve
wear can cause problems, which in turn may damage other components such as the output
TransformerA device consisting of two electromagnetic coils, usually used to step an AC power signal up or down in voltage. When a signal passes through the input side, this creates a magnetic flux which induces a voltage in the output side; the two voltages are related by the ratio of the number of turns in each coil. Transformers may also be used to decouple electronic devices (either for safety reasons or to prevent interference) as no current actually flows from one side to the other.
transformer
and speaker.

Thanks for taking the time to read this Online Advisor – we hope it has left you feeling more informed about the subject of guitar
AmpereUnit of current; the amount of electricity flowing through a conductor. One Ampere is equal to the flow of 6.25x10^18 electrons through a conductor in one second.
amp
heads – good luck with your next purchase!

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