Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:audio_preamplifier
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:designedBy |
gptkb:William_Zane_Johnson
|
| gptkbp:hasFeature |
phono stage
tone controls multiple line inputs |
| gptkbp:introducedIn |
1972
|
| gptkbp:manufacturer |
gptkb:Audio_Research
|
| gptkbp:notableCollection |
yes
|
| gptkbp:notableFor |
high-fidelity audio performance
influence on high-end audio industry |
| gptkbp:powerSource |
external power supply
|
| gptkbp:successor |
SP-6 preamplifier
|
| gptkbp:type |
vacuum tube preamplifier
|
| gptkbp:usedIn |
home audio systems
|
| gptkbp:bfsParent |
gptkb:Audio_Research
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
SP-3 preamplifier
|