Reference Standard 5B
| Brand | Infinity |
| Designer | Arnie Nudell |
| Function | Speaker |
| Produced | 1984-1986 |
| Country | United States |
| Model ID | RS-5b |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Tweeter | EMIT* (PN 902-5023) |
| Midrange | PolyDome (PN 902-3186C) |
| Bass | 6.5" Polypropylene Cone (x2) (PN 902-5107) |
| Impedance | 4Ω |
| Recommended Amplifier Power | 40-150W |
| Crossover Points | 600Hz, 4kHz |
| Finish | Oak |
| Connections |
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| Controls |
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| Notes | *EMIT (ElectroMagnetic Induction Tweeter) |