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Home > The Amp Hour Electronics Podcast > #429 – An Interview with Charles Alexanian


	Podcast:		The Amp Hour Electronics Podcast
	Episode:		#429 – An Interview with Charles Alexanian
	Category:		Science & Medicine
	Duration:		01:27:37
	Publish Date:		2019-02-10 18:05:53
	Description:		Welcome Charles Alexanian of Alexttronics! Headquartered in Fresno 0h 0m 36s History 0h 1m 7s Family business 0h 1m 20s Father was a QC engineer 0h 1m 25s Night scope 0h 1m 44s Irrigation work in Fresno 0h 2m 21s Assembling clock dials as a 4 year old 0h 4m 26s OEM mfg of timer and controls 0h 5m 0s Load sharing of pumps 0h 5m 51s Family business – everyone helped 0h 8m 22s Reading schematics from an early age 0h 12m 35s Helped out on product in 92 0h 15m 34s Tellurite in Fremont for MFG 0h 16m 45s Fear and doubt are a factor in any business 0h 17m 36s Started looking outside the business in case it wasn’t viable 0h 18m 24s Pedals and amps 0h 18m 59s Opened a repair business for amps and pedals 0h 19m 34s Manufacturing replacement parts for amps 0h 19m 50s Tube amps 0h 21m 23s Screen resistor 0h 26m 0s Got in contact with studios in town 0h 26m 49s uBid 0h 27m 31s Thomas register 0h 28m 4s War era catalog 0h 28m 44s Getting parts was always an issue 0h 30m 10s Led in two directions 0h 30m 15s Speaker manufacturing was bad 0h 30m 25s Charles Schmitt sourcing parts 0h 30m 53s Sourcing 10″ speakers 0h 31m 32s Got burned on sourcing into the market 0h 32m 25s Closed up the repair shop 0h 32m 46s Kept a couple customers at studios 0h 32m 58s Went to school for electrical contracting 0h 33m 42s Getting into tubes 0h 35m 6s Bought mostly from New Sensor 0h 36m 6s Ronnie Elsbury – MU incorporated 0h 37m 0s What is a vacuum tube 0h 38m 22s Edison effect 0h 39m 32s de Forest father of the vacuum tube 0h 39m 57s Added the grid 0h 40m 19s Certain applications still need tubes 0h 42m 5s Radar and microwave requires tubes because of power levels 0h 43m 5s Traveling wave tubes 0h 43m 33s Varian brothers 0h 43m 57s Klystron 0h 44m 7s Ion implantation uses tubes 0h 44m 40s Ronnie visits Charles 0h 45m 40s Ronnie factory does last time buy 0h 48m 56s Starting making tubes 0h 50m 11s Glasswork is very difficult 0h 50m 55s Charles’ talk at Supercon 0h 51m 4s Charles’ original article on Hackday about tube mfg 0h 52m 39s BA ionization gauge 0h 52m 53s Most basic form of tube used for measurement of vacuum 0h 53m 0s Philips glassworks videos from the 30s 0h 55m 15s Mullard glass video from the 50s-60s 0h 55m 22s Videos from bell labs 0h 55m 37s Glass slinger on youtubes 0h 55m 53s Adam Carolla podcasts 0h 58m 8s Fitting out a studio 0h 58m 26s Started working in exchange for hanging around racing 0h 59m 23s Carolla digital 0h 59m 45s Sourcing parts as a small manufacturer 1h 2m 9s Spall – the surface falls off 1h 4m 4s Ceramic caps 1h 5m 49s “Farmers are not a trusting group” 1h 8m 16s Small growers are pushing for monitoring in agtech 1h 11m 48s MQTT 1h 14m 10s Highwire 1h 21m 47s brokenspeaker9@gmail.com 1h 25m 52s NeoDen4 1h 27m 36s
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