Wharfedale Diamond 12.1i
Bookshelf speaker · Diamond 12i series
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The Wharfedale Diamond 12.1i is an 8 Ω bookshelf speaker rated 88 dB (2.83 V, 1 m), with a recommended 20–100 W amplifier. Of the 29 receivers and amps in our catalogue, 29 are rated to drive it.
$499 a pair (MSRP, September 2026)
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Receivers and amplifiers for the Diamond 12.1i
Each pairing is checked by our compatibility engine: the speaker's impedance against the amplifier's rated minimum, and height decoding for height speakers. Whether it plays loud enough depends on how far you sit, which the 3D editor works out for your room.
Rated to drive it (29)
- Denon AVR-S570BT
5 amplified channels · 70 W at 8 Ω
- Emotiva BasX A-700
7 channels · 110 W at 8 Ω
- Yamaha RX500A
7 amplified channels · 70 W at 8 Ω
- Denon AVR-S670H
5 amplified channels · 75 W at 8 Ω
- Denon AVR-X1700H
7 amplified channels · 80 W at 8 Ω
- Monoprice M7100X
7 channels · 90 W at 8 Ω
- Denon AVR-S770H
7 amplified channels · 75 W at 8 Ω
- Onkyo TX-NR6100
7 amplified channels · 100 W at 8 Ω
- Yamaha RX-V6A
7 amplified channels · 100 W at 8 Ω
- Crown XLS 1502
2 channels · 300 W at 8 Ω
- Denon AVR-X1800H
7 amplified channels · 80 W at 8 Ω
- Denon AVR-S970H
7 amplified channels · 90 W at 8 Ω
- Onkyo TX-RZ30
9 amplified channels · 100 W at 8 Ω
- Pioneer VSX-LX305
9 amplified channels · 100 W at 8 Ω
- Onkyo TX-NR7100
9 amplified channels · 100 W at 8 Ω
- Marantz Cinema 70s
7 amplified channels · 50 W at 8 Ω
- Denon AVR-X2900H
7 amplified channels · 95 W at 8 Ω
- Pioneer VSX-LX505
9 amplified channels · 120 W at 8 Ω
- Emotiva XPA-2 Gen3
2 channels · 300 W at 8 Ω
- Onkyo TX-RZ50
9 amplified channels · 120 W at 8 Ω
- Denon AVR-X3800H
9 amplified channels · 105 W at 8 Ω
- Denon AVR-X3900H
9 amplified channels · 105 W at 8 Ω
- Monoprice Monolith 7X
7 channels · 200 W at 8 Ω
- Emotiva XPA-5 Gen3
5 channels · 250 W at 8 Ω
- Denon AVR-X4800H
9 amplified channels · 125 W at 8 Ω
- Marantz Cinema 50
9 amplified channels · 110 W at 8 Ω
- Denon AVR-X6800H
11 amplified channels · 140 W at 8 Ω
- ATI AT525NC
5 channels · 200 W at 8 Ω
- Parasound Halo A 21+
2 channels · 300 W at 8 Ω
Diamond 12.1i specifications
| Impedance | 8 Ω |
|---|---|
| Sensitivity | 88 dB (2.83 V, 1 m) |
| Low end | 65 Hz |
| Drivers | 1 × 25 mm, 1 × 130 mm |
| Size | 7×12×11 in |
| Recommended amplifier power | 20–100 W |
| Weight | 6.8 kg (15 lb) |
| MSRP | $499 a pair (MSRP, September 2026) |
Every value comes from the sources under References, last retrieved September 15, 2026. To check it against the rest of your system, use the compatibility checker.
Questions about the Diamond 12.1i
- What receiver do I need for the Diamond 12.1i?
- One rated for 8 Ω speakers. In our catalogue, Denon AVR-S570BT, Emotiva BasX A-700 and Yamaha RX500A are rated to drive it.
- Is the Diamond 12.1i 4 ohm or 8 ohm?
- The Wharfedale Diamond 12.1i has a nominal impedance of 8 Ω. Use a receiver or amplifier rated down to 8 Ω or lower.
- How much power does the Diamond 12.1i need?
- Wharfedale recommends an amplifier of 20–100 W. Its sensitivity is 88 dB (2.83 V, 1 m). How much of that you use depends on how far you sit and how loud you listen, which the 3D editor works out for your room.
- How low does the Diamond 12.1i go?
- The Wharfedale Diamond 12.1i is rated down to 65 Hz. Below that, a subwoofer takes over; where the bass actually lands depends on your room's modes.
- How big is the Diamond 12.1i?
- The Wharfedale Diamond 12.1i measures 180 × 312 × 277 mm (7.1 × 12.3 × 10.9 in, width × height × depth) and weighs 6.8 kg (15 lb).
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References
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