Acoustic Research AR-11 Value & Price History
As of 2026-11-05, a Acoustic Research AR-11 has a market value at around $750 (per pair). Based on 187 estimated sales.
Price history
Asking median is roughly flat over the last 73 days ($750 → $750).
View as table
| Date | Asking | Restored | Sold |
|---|---|---|---|
| 2026-08-25 | $750 | — | — |
| 2026-08-31 | $750 | — | $35 |
| 2026-09-06 | $750 | — | $35 |
| 2026-09-12 | $750 | — | $35 |
| 2026-09-18 | $750 | — | $35 |
| 2026-09-24 | — | — | $35 |
| 2026-09-30 | — | — | $35 |
| 2026-10-06 | — | — | $35 |
| 2026-10-12 | — | — | $35 |
| 2026-10-18 | — | — | $35 |
| 2026-10-27 | — | — | $35 |
| 2026-11-02 | — | — | $35 |
| 2026-11-05 | — | — | $750 |
Daily trimmed medians from qualifying eBay listings; days without a fresh sync are not plotted.
Specifications
| Years produced | 1975–1980 |
| Type | Speaker |
| Brand | Acoustic Research |
| Original MSRP | 450 (1975) |
| Inflation-adjusted | ~$2,650 today |
| Market value (sold) | $750 |
Parts & supplies
Common maintenance items for the Acoustic Research AR-11. eBay links are model-specific searches; Amazon links are for generic supplies that work across most equipment.
- Acoustic Research AR-11 surround refoam kit on eBay →
- Acoustic Research AR-11 crossover rebuild caps on eBay →
- Acoustic Research AR-11 replacement tweeter on eBay →
- Acoustic Research AR-11 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
- Acoustic Research AR-3a $1,300/pair
- Acoustic Research AR-2ax $399/pair
- Klipsch Heresy $1,461/pair
Current listings
Live listing data loads after the next price sync.
Search Acoustic Research AR-11 on eBay → Search Acoustic Research AR-11 on Reverb →Track this model
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