SNR and the Importance of Input Referred NoiseInput referred noise is a noise specification found on some audio equipment and preamplifiers. While it is an extremely useful...
22A3 Amplifier Tube Guide + Running Type 45 TubesBandwidth Audio’s 22A3 amplifier was designed to be a feedback-free open loop amplifier providing low THD and wide bandwidth. When...
How to Select a Preamp with the Correct GainPreamplifiers or preamps are very key pieces of equipment in any audio path. Although not always required, they play an important role...
Tube Matching and Open vs Closed Loop AmplifiersVacuum tube testing can be extremely important for the performance of an audio system. While vacuum tube testing is important in circuits...
