HP 200A audio oscillator
E232836
The HP 200A audio oscillator was Hewlett-Packard’s first commercial product, a pioneering low-distortion audio signal generator that helped launch the company and became widely used in electronics testing, including by Walt Disney Studios.
All labels observed (3)
| Label | Occurrences |
|---|---|
| HP 200 series oscillators | 1 |
| HP 200A audio oscillator canonical | 1 |
| HP 200B audio oscillator | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2074680 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: HP 200A audio oscillator Context triple: [Bill Hewlett, notableWork, HP 200A audio oscillator]
-
A.
Osci
The Osci were an ancient Italic people of southern Italy, closely related to other Campanian tribes and known for their Oscan language and cultural influence in the region.
-
B.
Yamaha CS-80 synthesizer
The Yamaha CS-80 synthesizer is a legendary late-1970s analog polyphonic synthesizer renowned for its expressive performance controls and lush, cinematic sound, famously used by Vangelis on the Blade Runner soundtrack.
-
C.
Yamaha YM2610
The Yamaha YM2610 is a classic FM synthesis and ADPCM sound chip widely used in arcade and Neo Geo game systems to produce rich, multi-channel audio and sound effects.
-
D.
Yamaha YM2612
The Yamaha YM2612 is a six-channel FM synthesis sound chip widely known for defining the distinctive music and audio of many 16-bit Sega Genesis/Mega Drive games.
-
E.
Akai MPC3000
The Akai MPC3000 is a classic hardware sampler and drum machine renowned for its distinctive swing and influential role in shaping 1990s hip-hop and electronic music production.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: HP 200A audio oscillator Target entity description: The HP 200A audio oscillator was Hewlett-Packard’s first commercial product, a pioneering low-distortion audio signal generator that helped launch the company and became widely used in electronics testing, including by Walt Disney Studios.
-
A.
Osci
The Osci were an ancient Italic people of southern Italy, closely related to other Campanian tribes and known for their Oscan language and cultural influence in the region.
-
B.
Yamaha CS-80 synthesizer
The Yamaha CS-80 synthesizer is a legendary late-1970s analog polyphonic synthesizer renowned for its expressive performance controls and lush, cinematic sound, famously used by Vangelis on the Blade Runner soundtrack.
-
C.
Yamaha YM2610
The Yamaha YM2610 is a classic FM synthesis and ADPCM sound chip widely used in arcade and Neo Geo game systems to produce rich, multi-channel audio and sound effects.
-
D.
Yamaha YM2612
The Yamaha YM2612 is a six-channel FM synthesis sound chip widely known for defining the distinctive music and audio of many 16-bit Sega Genesis/Mega Drive games.
-
E.
Akai MPC3000
The Akai MPC3000 is a classic hardware sampler and drum machine renowned for its distinctive swing and influential role in shaping 1990s hip-hop and electronic music production.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
audio oscillator
ⓘ
electronic test equipment ⓘ signal generator ⓘ |
| alsoKnownAs | HP 200A ⓘ |
| appliedIn |
Fantasia sound system development
ⓘ
film sound system testing ⓘ |
| associatedWith |
Hewlett-Packard garage in Palo Alto
ⓘ
founding of Hewlett-Packard in 1939 ⓘ |
| commercialStatus | mass-produced test instrument ⓘ |
| control |
frequency tuning dial
ⓘ
output level control ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designedBy |
David Packard
ⓘ
Bill Hewlett ⓘ
surface form:
William R. Hewlett
|
| distortionCharacteristic | low total harmonic distortion ⓘ |
| era | pre-World War II electronics ⓘ |
| feature |
amplitude stabilization using incandescent lamp
ⓘ
low harmonic distortion ⓘ tunable audio frequency range ⓘ |
| frequencyRange | audio frequencies ⓘ |
| historicalSignificance |
early commercial implementation of stabilized Wien bridge oscillator
ⓘ
helped launch Hewlett-Packard as a company ⓘ |
| housing | bench-top instrument ⓘ |
| impact | contributed to growth of electronic test and measurement industry ⓘ |
| inception | 1939 ⓘ |
| legacy |
collector’s item in vintage test equipment
ⓘ
iconic early HP product ⓘ |
| manufacturer | Hewlett-Packard ⓘ |
| marketedAs | low-cost, high-stability audio oscillator ⓘ |
| material | metal chassis ⓘ |
| notableFor |
being Hewlett-Packard’s first commercial product
ⓘ
low-distortion audio signal generation ⓘ |
| outputType | sine wave ⓘ |
| partOf |
HP 200A audio oscillator
self-linksurface differs
ⓘ
surface form:
HP 200 series oscillators
|
| powerSource | mains power ⓘ |
| successor |
HP 200A audio oscillator
self-linksurface differs
ⓘ
surface form:
HP 200B audio oscillator
|
| technology | Wien bridge oscillator ⓘ |
| usedBy | Walt Disney Studios ⓘ |
| usedFor |
audio-frequency testing
ⓘ
electronics testing ⓘ laboratory measurements ⓘ |
| usedIn |
audio equipment design
ⓘ
broadcast engineering labs ⓘ university research laboratories ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: HP 200A audio oscillator Description of subject: The HP 200A audio oscillator was Hewlett-Packard’s first commercial product, a pioneering low-distortion audio signal generator that helped launch the company and became widely used in electronics testing, including by Walt Disney Studios.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
HP 200B audio oscillator
this entity surface form:
HP 200 series oscillators