Acoustic Research AR-48B 3-Way Speakers (Pair) – Professionally Restored – 1-Year Warranty
Professionally Restored by HQaudios – Fully Tested – Backed by Our 1-Year Warranty.
Up for sale is a beautiful pair of Acoustic Research AR-48B vintage 3-way speakers, professionally inspected, serviced, and tested by HQaudios. The Acoustic Research AR-48B is a mid-1980s refinement of AR’s classic acoustic-suspension 3-way design, with a sealed 10″ woofer, cone midrange, and a liquid-cooled dome tweeter.
This pair is ideal for buyers who appreciate authentic vintage audio, detailed presentation, quality build, and the peace of mind of purchasing from a trusted restoration-focused seller.
Key Highlights
- Matched pair of Acoustic Research AR-48B 3-way speakers
- 10″ acoustic-suspension (sealed) woofer
- 4″ cone midrange
- 3/4″ liquid-cooled fabric dome tweeter
- 6 Ohms, 87 dB; 45 Hz – 24 kHz
- Professionally inspected, serviced, and fully tested by HQaudios
- Backed by our 1-Year HQaudios Warranty
Sound Character
The AR-48B offers the smooth, natural, and balanced sound AR is known for: tight, well-damped bass from its sealed acoustic-suspension woofer, a natural midrange, and refined treble from the liquid-cooled dome.
Cosmetic Condition
This pair is in Excellent restored vintage cosmetic condition. The cabinets, drivers, controls, badges, labels, and terminals are shown clearly in the photos.
As with most vintage audio equipment, there may be normal signs of age and previous use, including small marks, light scratches, or minor finish wear as shown. Please review all photos carefully, as they are part of the description.
Technical Condition
These speakers have been professionally inspected and tested by HQaudios technicians under real listening conditions.
Service / inspection may include:
- All drivers tested for proper operation
- Crossover network inspected
- Level controls checked and treated (if equipped)
- Input terminals checked and cleaned
- Cabinet structure and driver surrounds inspected
- Grilles and badges inspected
- Real-world listening test completed
- Final quality check before shipment
After inspection and testing, these speakers perform properly and are ready to enjoy.
Specifications
| Brand | Acoustic Research |
| Model | AR-48B |
| Type | Vintage 3-Way Acoustic-Suspension Speakers (Pair) |
| Woofer | 10″ acoustic-suspension |
| Midrange | 4″ cone |
| Tweeter | 3/4″ liquid-cooled fabric dome |
| Crossover | ~400 Hz / 2,500 Hz |
| Frequency Response | 45 Hz – 24 kHz ±3 dB |
| Impedance | 6 Ohms |
| Sensitivity | 87 dB |
| Recommended Amp | 15–100 W |
| Enclosure | Acoustic suspension (sealed) |
| Dimensions (H×W×D) | Approx. 635 × 355 × 280 mm (25 × 14 × 11 in) |
| Weight | Approx. 17 kg (38 lb) each |
| Year | c. 1984–1985 |
| Made In | USA |
| Condition | Excellent – Professionally Refurbished |
| Included | Pair of speakers only, unless otherwise clearly shown in the photos |
Note: Specifications are provided from published manufacturer and reference documentation for the Acoustic Research AR-48B and should be verified using the rear labels or original manual when exact figures are critical.
Suggested Pairing
Works well with amplifiers roughly 15–100 W; a clean, moderately powerful amp brings out its balanced character.
Video Test & Sound Demo
Please contact us through our store contact page if you would like to hear a video test of this pair before ordering. We are happy to provide additional video, sound demo, or photos upon request.
Trade-In Program
Do you have vintage audio equipment that you would like to trade in? We may accept receivers, amplifiers, speakers, cassette decks, reel-to-reel decks, turntables, and other classic audio gear. Please contact us with photos and details.
Shipping & Packaging
We understand that vintage speakers require careful handling. This pair will be professionally packed with strong protection to help ensure safe delivery.
- Careful protective wrapping
- Strong boxing and internal cushioning
- Extra protection for cabinet corners and driver areas
- Tracking information provided after shipment
- Freight shipping may be used for heavy items
1-Year HQaudios Warranty
This item is backed by our 1-Year HQaudios Warranty covering proper functional operation under normal home use.
Warranty does not cover misuse, physical damage, unauthorized repair, damage caused by incorrect connection, improper matching, or shipping damage after delivery.
HQaudios – Vintage Audio Restored with Care.
Professionally Restored – Fully Tested – Carefully Packed – 1-Year Warranty.





































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