An Interview with Charles Alexanian

Welcome Charles Alexanian of Alexttronics!

• Headquartered in Fresno
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• History
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• Family business
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• Father was a QC engineer
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• Night scope
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• Irrigation work in Fresno
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• Assembling clock dials as a 4 year old
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• OEM mfg of timer and controls
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• Load sharing of pumps
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• Family business - everyone helped
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• Reading schematics from an early age
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• Helped out on product in 92
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• Telrite in Fremont for MFG
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• Fear and doubt are a factor in any business
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• Started looking outside the business in case it wasn't viable
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• Pedals and amps
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• Opened a repair business for amps and pedals
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• Manufacturing replacement parts for amps
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• Tube amps
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• Screen resistor
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• Got in contact with studios in town
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• uBid
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• Thomas register
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• War era catalog
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• Getting parts was always an issue
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• Led in two directions
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• Speaker manufacturing was bad
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• Don Schmidt sourcing parts
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• Sourcing 10" speakers
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• Got burned on sourcing into the market
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• Closed up the repair shop
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• Kept a couple customers at studios
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• Went to school for electrical contracting
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• Getting into tubes
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• Bought mostly from New Sensor
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• Ronnie Elsbury - MU incorporated
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• What is a vacuum tube
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• Edison effect
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• de Forest father of the vacuum tube
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• Added the grid
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• Certain applications still need tubes
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• Radar and microwave requires tubes because of power levels
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• Traveling wave tubes
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• Varian brothers
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• Klystron
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• Ion implantation uses tubes
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• Ronnie visits Charles
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• Ronnie factory does last time buy
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• Starting making tubes
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• Glasswork is very difficult
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• Charles' talk at Supercon
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• Charles' original article on Hackday about tube mfg
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• BA ionization gauge
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• Most basic form of tube used for measurement of vacuum
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• Philips glassworks videos from the 30s
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• Mullard glass video from the 50s-60s
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• Videos from bell labs
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• Glass slinger on youtubes
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• Adam Carolla podcasts
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• Fitting out a studio
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• Started working in exchange for hanging around racing
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• Carolla digital
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• Sourcing parts as a small manufacturer
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• Spall - the surface falls off
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• Ceramic caps
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• "Farmers are not a trusting group"
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• Small growers are pushing for monitoring in agtech
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• MQTT
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• Highwire
  • 1h 21m 47s
• brokenspeaker9@gmail.com
  • 1h 25m 52s
• NeoDen4
  • 1h 27m 36s