Vintage HP 82166A HP-IL Converter Custom “The BOX” TTL/DAC Interface Controller For Sale

Vintage HP 82166A HP-IL Converter Custom “The BOX” TTL/DAC Interface Controller
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Vintage HP 82166A HP-IL Converter Custom “The BOX” TTL/DAC Interface Controller:
$499.99

Vintage custom-built Hewlett-Packard HP-IL digital interface/control system labeled “The BOX,” dating to approximately the mid-1980s.This is a substantial custom engineering/test instrument built around a genuine Hewlett-Packard 82166A HP-IL Converter.Visible components include:
• Genuine HP 82166A HP-IL Converter
• 16 numbered TTL outputs (two banks of 8)
• Numerous 74LS-series logic ICs
• Large bank of 74LS164 shift registers
• 74LS374 octal registers
• DAC0806 digital-to-analog converter ICs
• LM324 operational amplifiers
• Custom hand-wired prototyping/interface board
• Separate regulated power-supply circuitry
• Heavy aluminum enclosure
• 120V AC input
• Multi-pin interface connectorsComponent date codes indicate construction around the mid-1980s.This appears to have been purpose-built to interface HP-IL equipment/computers with external digital/analog hardware. The exact original application of “The BOX” is currently unknown.An unusual piece of vintage Hewlett-Packard computing, laboratory, engineering, and HP-IL history.CONDITION:
Pre-owned vintage condition with cosmetic wear from age and use. Internally appears remarkably complete. Please examine all photographs carefully for exact condition and components included.UNTESTED. No attempt has been made to power the unit on due to its age. It is being sold AS-IS for restoration, research, display, collecting, or parts/repair.Nothing has been removed or parted out. You will receive the complete unit shown in the photographs.A particularly interesting item for collectors of vintage Hewlett-Packard equipment, HP-41/HP-IL systems, early computer interfaces, laboratory equipment, or custom 1980s electronics.PRICE: $499.99 Buy It Now / Best Offer
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