The GA-10 is an audiophile-grade headphone amplifier that features the SEPP (single-ended push-pull) circuit with eight vacuum tubes, a linear transformer, and direct tube output. The vacuum tubes ...

Generally, the equipment should be seen as little as possible, leading to pretty much every guitar amplifier in existence ... What you get are four EL84 class A power valves pumping out a total ...

The new TA-84 DAC/Headphone Amplifier is an OTL (Output Transformerless) design that utilizes EL84 power tubes and 12AU7 driver tubes. Xduoo’s TA-26 OTL Headphone Amplifier which was clearly the ...

The input stage of the SH uses an ECC83 valve while the output uses an EL84 ... Quad's latest integrated amplifier combines a retro design with "cutting-edge technology" Luxman celebrates its 100th ...