WebMay 24, 2011 · Crystal Radio Earphone, High Impedance, 3.5mm Brand: AmplifiedParts 98 ratings 4 answered questions $1099 About this item High impedance crystal earphone … WebA Heathkit CR-1 crystal radio. A very selective and high performance crystal radio My Heathkit model CR-1. ... Such is the extreme sensitivity of human hearing and the amazing efficiency of the circuits, the detector crystal and the earphone, that microwatts of power, originally coming from a station hundreds of miles away and landing on my ...
Crystal Earphone - ScienceKitStore Catalog
Web1 day ago · Find many great new & used options and get the best deals for 1M OCC frozen single crystal copper wire 22AWG DIY Earphone cable Signal line at the best online prices at eBay! Free shipping for many products! WebJan 17, 2016 · This item: Philmore Crystal Radio Earphone to Stripped and Tinned Bare Wire, 7-Ft Cord, High Impedance 748. $8.95. Only 2 … dwelling guaranteed replacement cost
2 x Bling Diamond Mixed Crystal 3.5mm Earphone Jack Cap Stop …
WebA crystal earphone (more properly called a piezoelectric earphone, pronounced pee-zo) is made of a material that changes its shape when connected to a source of electricity. Some crystals such as quartz, and … WebFind many great new & used options and get the best deals for 2 x Bling Diamond Mixed Crystal 3.5mm Earphone Jack Cap Stop F1J9 Plug Anti W1C7 at the best online prices at eBay! Free delivery for many products! WebModel: Crystal Headphones A - Brush Development Co.; Notes. Type "A". Response: 60 Hz to10000 Hz. Impedance over 50 kOhm at 400 Hz. At no time D.C. voltage should be applied! Single phone with band and cord or with lorgnette handle available. Net weight (2.2 lb = 1 kg) 0 lb 6 oz (0.375 lb) / 0.170 kg. crystal glass and glazing