The pursuit of audiophile hi-fi is one upon which many superlatives and perhaps a little too much money are lavished. But it’s also a field in which the self-builder can produce their own equipment ...

It’s been a while since we’ve looked in on the world of vacuum tube audio equipment. [Bruce] just finished documenting a tube preamp he built. He actually made a couple of these with slightly ...

The project is based on 6418 Tube as it creates a RIAA Phono Preamplifier Kit since the tube is suitable for moving magnet cartridges. The project is based on 6418 Tube as it creates a RIAA Phono ...

The objective of building this circuit is to create a preamplifier based on the Hampton standard with the utilization of vacuum tubes for use with moving coil cartridge. ECC88 – a VHF double triode ...

Circuit boards etched and drilled. This is a closeup of one side of the microphone PCB board. As you can see it is a little crowded. The copper pipe before work began. Success! The mic head’s windows ...

The just-announced McIntosh C2700 Vacuum Tube Preamplifier is really neat because it combines the best components of a stereo preamp and an AV receiver. Its new DA2 replaceable digital input module ...

Tone King has unveiled the Imperial Preamp, a “high-voltage tri-tube” preamp pedal that takes the tones of the Baltimore, Maryland high-end guitar amp brand’s Imperial MKII combo and repackages them ...