Infinity RS-1B Value & Price History
As of 2026-09-21, a Infinity RS-1B has a market value at around $115 (per pair). Based on 345 estimated sales.
Specifications
| Years produced | 1977–1982 |
| Type | Speaker |
| Brand | Infinity |
| Original MSRP | 3,000 (1977) |
| Inflation-adjusted | ~$15,150 today |
| Market value (sold) | $115 |
Buying notes
Infinity EMIT tweeter flagship from the late 1970s. The EMIT ribbon tweeters are fragile; check both tweeters produce clean output without any harshness or silence. EMIT tweeter replacements are increasingly difficult to source. Woofer condition. Service requires specialist knowledge.
Parts & supplies
Common maintenance items for the Infinity RS-1B. eBay links are model-specific searches; Amazon links are for generic supplies that work across most equipment.
- Infinity RS-1B surround refoam kit on eBay →
- Infinity RS-1B crossover rebuild caps on eBay →
- Infinity RS-1B replacement tweeter on eBay →
- Infinity RS-1B grilles and badges on eBay →
- Speaker wire — 16awg is standard for most setups on Amazon →
- Banana plugs — cleaner connection than bare wire on Amazon →
- Polyfill acoustic stuffing — reduces internal resonance in sealed and ported cabinets on Amazon →
Purchases through these links may earn StereoWorth a small commission at no extra cost to you. See our affiliate disclosure. Repair budgeting: what vintage stereo repair actually costs.
Comparable models
- Infinity Reference Standard IB $130/pair
- Infinity Kappa 9 $239/pair
- Infinity Kappa 8 $199/pair
Current listings
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Search Infinity RS-1B on eBay → Search Infinity RS-1B on Reverb →Track this model
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