Tag Archives: diy

How to Buy Capacitors on Mouser.com

Learn about searching for electrolytic, film, and ceramic capacitors on popular parts house Mouser.com, with examples to help you get started selecting the right parts. Don’t risk counterfeit parts from 3rd-party suppliers – go right to the source! Continue reading

Posted in Uncategorized | Tagged , , , , , , , , | 1 Comment

Everything to Know about Bose 901 Series I and Series II Active Equalizer Repair & Speaker Systems (and the 800, too!)

A deep dive into the tips and tricks for repairing the Bose 901 Series I and II, plus the Bose 800 Series I and II, along with a discussion of their history and variations, sourced from direct experience repairing more than 500 examples. Includes schematics and parts lists. Continue reading

Posted in Audio, Bose, Collections, Resources | Tagged , , , , , , , , , , , , , , | 3 Comments

Neat Little 60FX5 Stereo Single-Ended Tube Amplifier

While digging around, I came across a really simple circuit in the RCA Receiving Tube Manual describing a 1WPC stereo amplifier using only two tubes, the 60FX5 power pentodes, and a single silicon diode. The 60FX5s have high enough gain … Continue reading

Posted in Audio, DIY, Projects, Stereo | Tagged , , , , , | 5 Comments

Building a Better Voltage Regulator

Glancing through my feeds, I stumbled across a note on The Paleotechnologist describing a new replacement for the venerable LM7805 linear regulator IC. It turns up in a ton of devices, pretty much anything with a medium-current 5V rail including … Continue reading

Posted in Collections, DIY, Electronics | Tagged , , , , , , , , , , | Leave a comment

Build Log and Review: Mable Audio VT-86PP Kit Hi-Fi Amp Project

About a year ago, someone left a comment that really looked like spam on one of my pages advertising a web store selling tube audio gear and parts for guitar and audio amplifiers. Against everything I’ve ever learned about behaving … Continue reading

Posted in Electronics, Hardware, Photos, Projects, Radios and Tubes, Technology | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment