Category Archives: Commentary

Oops…no posts!

It looks like my automatic re-post script which posts things from the shop blog over to Retrovoltage hasn’t been working for a bit. Sorry for the lack of posts! I’ve been up to quite a few projects recently, so look … Continue reading

Posted in Commentary | 1 Comment

Reviewing the Gemtune APPJ PA1501A 6AD10 Stereo Tube Amplifier

I recently picked up an interesting little tube amp via a group buy on Massdrop, the Gemtune APPJ PA1501A stereo tube amplifier. Try saying that three times fast! It’s a cute little single-ended stereo tube amp using a pair of 6AD10 … Continue reading

Posted in Audio, Commentary, Electronics, Hi-Fi, Stereo, Toys | Tagged , , , , , , | 15 Comments

AUX in Volvo Stock Head Unit Radios

Dangerous Prototypes shares an article detailing how Karl Hagström hacked an aux input to his 2007 Volvo V70 stock stereo. Why, why, why isn’t there an AUX input on my car stereo from 2007? Yes 2007 was before the big … Continue reading

Posted in Commentary, DIY, Electronics, Gadgets | 1 Comment

“Won’t that ruin the vintage sound?”

Audio as a hobby sits in an interesting place in the world. There are hard numbers and objective measurements made with lab equipment on one end, and on the other end you have the subjective and variable linguistic descriptions assigned … Continue reading

Posted in Audio, Commentary, Electronics, Hi-Fi, Vintage | Tagged , , , , , , , | 3 Comments

Friday Link Roundup: March 11th, 2016

What’s good this week? Let’s see: Mohammed Samji takes us through a hifi power conditioner supplying electricity to some very expensive B&W speakers. Interesting! [Part Time Audiophile] Break something plastic? There’s a plastic welding kit for that. Looks like it … Continue reading

Posted in Collections, Commentary | Tagged , , , , , , , , | 2 Comments

New Bench Storage

Some pegboards, and wall mounting some parts bins, really cleaned up the benchtop!

Posted in Commentary, Photos | Tagged , , | 2 Comments

NOS Akai Vintage Stereo Setup Unboxing

A gentleman found a stack of vintage 1982 Akai stereo components in their original packaging, and takes us through a short unboxing and setup. It looks like he’s found a record player, equalizer, tape deck, tuner, and integrated amplifier. Can’t be … Continue reading

Posted in Audio, Collections, Commentary, Hi-Fi, Vintage | Tagged , , , | 2 Comments

555 timer teardown (and a Retrovoltage drum trigger project)

Ken Shirriff’s blog has a fantastic and detailed teardown of a 555 timer, the ubiquitous decades-old timer circuit that turns up in so many places: If you’ve played around with electronic circuits, you probably know the 555 timer integrated circuit, … Continue reading

Posted in Collections, Commentary, DIY, Gadgets | Tagged , , , , , , | 1 Comment

What does everyone read?

Other than Retrovoltage (obviously!), what are your favorite electronics and tech blogs? Leave a comment with what you’re reading these days!

Posted in Commentary, Internet | 1 Comment

Like Classic Receivers? Check Out This Blog

If you’re reading this, you’re probably at least somewhat interested in vintage stereo gear, since that’s a huge amount of what I work on. There’s a lot of it out there! I just discovered a great new blog that showcases … Continue reading

Posted in Commentary, Internet | Tagged , | 2 Comments