JBL 4312 Vintage Speakers – Professionally Restored – Fully Tested – 1-Year Warranty
Professionally Restored by HQaudios – Fully Tested – Backed by Our 1-Year Warranty.
Up for sale is a professionally restored pair of JBL 4312 vintage speakers, fully serviced and tested by HQaudios. Ready for reliable everyday use, they deliver the classic sound that has made this model highly respected among collectors and music enthusiasts.
This pair is ideal for buyers who appreciate authentic vintage audio, warm musical presentation, strong build quality, and the peace of mind of purchasing from a trusted restoration-focused seller.
Key Highlights
- Pair of authentic vintage JBL 4312 SPEAKERS speakers
- Professionally inspected and serviced by HQaudios
- Fully tested under real listening conditions
- Classic vintage sound with excellent musical character
- Beautiful cabinet appearance with vintage charm
- Ready for home listening, collection, or system upgrade
- Carefully packed for safe shipment
- Backed by our 1-Year HQaudios Warranty
Sound Character
These JBL 4312 SPEAKERS speakers offer the type of sound that vintage audio enthusiasts love: natural, warm, open, and engaging. They provide a musical presentation that works beautifully with jazz, vocals, classic rock, acoustic music, blues, and vinyl playback.
Depending on your amplifier and room setup, these speakers can deliver a rich midrange, smooth highs, and a satisfying bass response while maintaining the character that makes vintage speakers so enjoyable.
Cosmetic Condition
The speakers are in Excellent vintage cosmetic condition. The cabinets show normal signs of age and previous use, such as minor marks, light scratches, small veneer imperfections, or corner wear as shown in the photos.
The grille cloths, badges, cabinet corners, back labels, and input terminals are shown clearly in the photo section. Please review all photos carefully, as they are part of the description.
Overall, this is a very presentable pair that will display beautifully in a vintage audio system.
Technical Condition
These speakers have been professionally inspected and tested by HQaudios technicians. All drivers were checked for proper operation, and the pair was tested with music under real listening conditions.
Service / inspection may include:
- Woofer, midrange, tweeter, and/or horn drivers tested
- Crossover network inspected
- Input terminals checked
- Cabinet structure inspected
- Driver surrounds inspected
- Grilles and badges inspected
- Real-world listening test completed
- Final quality check before shipment
After inspection and testing, this pair performs properly and is ready to enjoy.
Specifications
| Brand | JBL |
| Model | 4312 SPEAKERS |
| Type | Floorstanding |
| System | 3-Way |
| Impedance | 8 Ohms |
| Power Handling | 200W |
| Frequency Response | 45Hz to 15kHz |
| Sensitivity | 91dB |
| Dimensions | 23.50 × 14.25 × 11.73 in |
| Included | Pair of speakers only, unless otherwise stated |
Note: Vintage specifications should be verified using the rear labels, original manual, or trusted factory documentation when available.
Suggested Pairing
These speakers pair well with quality vintage receivers and amplifiers from brands such as Marantz, Sansui, Pioneer, McIntosh, Yamaha, Kenwood, Fisher, Luxman, and tube amplifiers, depending on your listening preferences and room size.
For the best result, we recommend using a clean, properly serviced amplifier with enough power and stable output for this speaker model.
Video Test & Sound Demo
Please contact us via eBay messages if you would like to hear a video test of this pair before purchase. We are happy to provide additional video, sound demo, or photos upon request.
You may also visit our YouTube channel to hear sound demos of vintage audio equipment restored and prepared by HQaudios.
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 of your equipment. We will be happy to review and discuss possible trade-in options.
Combo Discount
Looking to build a complete vintage audio system? Ask us about pairing these speakers with a restored receiver, amplifier, turntable, cassette deck, or reel-to-reel deck.
We may be able to offer a combo discount when multiple items are purchased together.
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 grille areas
- Tracking information provided after shipment
- Freight shipping may be used for large or heavy speakers
For large speakers, local pickup may also be available by appointment.
1-Year HQaudios Warranty
This item is backed by our 1-Year HQaudios Warranty covering proper electronic and functional operation under normal home use.
Our goal is to provide a confident and comfortable buying experience. If you have any questions after receiving your item, please contact us first through eBay messages. We are here to help.
Warranty does not cover misuse, physical damage, unauthorized repair, damage caused by incorrect connection, improper amplifier matching, or shipping damage after delivery.
Important Note for Buyers
Vintage audio equipment may show normal age-related cosmetic wear. We do our best to describe each item clearly and provide detailed photos so you can buy with confidence.
Please review all photos, read the full description, and contact us with any questions before purchase. We are happy to help you confirm whether this pair is the right match for your system.
HQaudios – Vintage Audio Restored with Care.
Professionally Restored – Fully Tested – Carefully Packed – 1-Year Warranty.

























































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