Certainly AC found they resulted in squashed dynamics amongst other nasties. Their solution was rather than take an amp and replace the power supply with a battery, to design a transistor amp from the ...

There are a small handful of old tubes that need an impressively low voltage to work, though, and [J.G.] has put a few of them to work in this battery-powered audio tube amplifier. The key to the ...

Boss’s Katana series amps have become favorites with guitarists looking for lightweight, durable and affordable amplifiers that offer the sound, feel and response of classic tube amps while ...

Additionally, battery-operated power stations can be ran indoors ... To calculate watts, multiply voltage (usually 120 volts) by the amps (amperage) required to run the appliance (usually found ...

The A.H.Systems' EHA-50B Preamplifier is made for use with any A.H Systems H-Field Rod elements, without any power cords, and operates efficiently over the frequency range of 100 Hz to 30 MHz. It is ...

Major audio amplifier market participants include Analog Devices, Cirrus Logic, Infineon Technologies, NXP Semiconductors, On ...