HP 200A
E812207
The HP 200A is Hewlett-Packard’s first commercially successful audio oscillator, famous for launching the company in the late 1930s and being used by Walt Disney Studios for the film "Fantasia."
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
audio oscillator
ⓘ
electronic test equipment ⓘ |
| alsoKnownAs | HP Model 200A NERFINISHED ⓘ |
| application | audio-frequency signal generation ⓘ |
| associatedWith | founding of Hewlett-Packard in a Palo Alto garage ⓘ |
| category |
audio engineering equipment
ⓘ
test and measurement equipment ⓘ |
| commercialStatus | mass-produced laboratory instrument ⓘ |
| controlFeature |
continuously variable frequency control
ⓘ
output level adjustment ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designedBy |
David Packard
NERFINISHED
ⓘ
William R. Hewlett NERFINISHED ⓘ |
| era | pre-World War II electronics ⓘ |
| frequencyRange | 20 Hz to 20 kHz ⓘ |
| hasComponentType |
capacitors
ⓘ
power transformer ⓘ resistors ⓘ vacuum tubes ⓘ |
| hasEnclosureType | bench-top instrument case ⓘ |
| hasOutputType | sine wave ⓘ |
| historicalSignificance |
early landmark in electronic test instrumentation
ⓘ
key product in the founding era of Hewlett-Packard ⓘ |
| inception | 1939 ⓘ |
| locationOfManufacture | Palo Alto, California NERFINISHED ⓘ |
| manufacturer | Hewlett-Packard NERFINISHED ⓘ |
| marketedAs | precision audio oscillator ⓘ |
| notableFor |
being Hewlett-Packard’s first commercially successful product
ⓘ
helping launch Hewlett-Packard as a company ⓘ high frequency stability ⓘ low distortion audio output ⓘ |
| partOfSeries | HP 200 series audio oscillators NERFINISHED ⓘ |
| powerSupply | vacuum tube based circuitry ⓘ |
| soldTo |
broadcast stations
ⓘ
industrial laboratories ⓘ motion picture studios ⓘ |
| stabilizationMethod | automatic gain control via lamp resistance ⓘ |
| successor | HP 200B NERFINISHED ⓘ |
| technologyUsed | Wien bridge oscillator NERFINISHED ⓘ |
| usedBy | Walt Disney Studios NERFINISHED ⓘ |
| usedFor |
laboratory measurements
ⓘ
testing audio equipment ⓘ |
| usedIn |
film sound system testing
ⓘ
loudspeaker testing ⓘ microphone testing ⓘ |
| usedInWork | Fantasia NERFINISHED ⓘ |
| usesComponent | incandescent lamp for amplitude stabilization ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.