Scott's Crystal Radios and Antique Headphones
Headphone Heaven (Headphones for Sale) Vintage headphones for crystal set use or just for collecting. Several new sets listed including Brandes, Baldwin, and Western Electric. Vintage and Crystal Radios for sale Some quality homebrews and reproductions. Just added a couple of vintage car radios here.
Cheap DIY High Impedance Earphones - Hackaday
Dec 3, 2020 · Crystal radios can feel magical, given their ability to tune in audio from distant stations with nothing but the energy from the radio signal itself. However, to achieve this feat, they...
Crystal Radio Earphone, High Impedance, 3.5mm - amazon.com
Crystal Radio Earphone, High Impedance, 3.5mm. Brand: AmplifiedParts. 4.3 107 ratings. | Search this page. -31% $1099. Typical price: $15.99. About this item. High impedance crystal earphone - very sensitive and works great with crystal radios. Has 3 a foot cord and miniature (3.5 mm) plug. › See more product details.
- Reviews: 107
High Impedance Headphones? They’re In The Can! | Hackaday
Sep 18, 2016 · The original crystal radio builders used high impedance headphones. In modern builds, you are as likely to include a powered amplifier to drive a speaker or normal headphones (which are usually...
Building High-Impedance Piezoelectric Headphones - eHam.net
We've already identified high input impedance as a desirable trait of headphones to be used with crystal radio sets. The input impedance of the piezo disk is extremely high, so high in fact, that to low frequencies it appears to be an open circuit.
Amazon.com: Crystal Radio Headphones
TR624 Portable Radio AM FM, Pocket Mini Radio, Clear Radio with Crystal Headphone, Powered by AAA Battery, Suit for Indoor Outdoor (Clear)
Build a Crystal Shortwave Radio - antique radio
This project combines two popular themes from radio history—crystal radios and shortwave (SW) listening. It's designed from scratch by our non-resident engineer Walter Heskes . Despite all of the advances in modern electronics, there are thousands of crystal sets …
Philmore Crystal Radio Earphone to Stripped and Tinned Bare …
Jan 17, 2016 · Brand new crystal radio earphone terminated in bare wire. Use these for crystal or simple transistor radio design projects. Very sensitive with high impedance, over 100 megohms. Molded plastic shell and 7-ft cord. Philmore quality you can trust.
- Reviews: 143
Looking for a pair of high-quality, high-impedance headphones for that crystal radio project? Build the HZX headphone adapter and use your Walkman-style headphones
Crystal Radio Earphone - Peter Vis
Crystal Radio Earphone. A crystal earpiece, also known as an earphone or high impedance earpiece consists of a piezoelectric crystal. This crystal expands and contracts according to the electrical current flowing through it.