HiFi SPECS

A/B comparison · Speakers

KEF Q550 vs Wharfedale Diamond 12.3

Specs from both manufacturer datasheets Updated May 17, 2024

CH A KEF Q550

KEF Q550

Channel A · Floorstanding (Tower) · 2017
VS
CH B Wharfedale Diamond 12.3

Wharfedale Diamond 12.3

Channel B · Floorstanding (Tower) · 2020
KEF Q550 Wharfedale Diamond 12.3
20 Hz 100 1k 10k 20k
8.4/10KEF

Rows won, of 12 compared KEF 1 · Wharfedale 2 · tied or not compared 9

Datasheet · Side by side

Spec by spec

Built from both structured spec sheets. The delta chip sits on the winning side; rows with no defensible winner carry no chip.

Sound & drivers

2.5-way Configuration 2.5-way
1x 5.12" Tweeter + 2x 5.12" Mid-woofer Drivers 1x 1" Tweeter + 2x 5" Mid-woofer
58 Hz to 28 kHz ±3 dB · 45 Hz to 50 kHz extended Frequency response 45 Hz to 20 kHz -13 Hz deeper ±3 dB · 40 Hz to 20 kHz extended
110 dB +9 dB Checked against the maker's own sheet, Sep 2026 Source Max SPL 101 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)
Not published Port tuning 45 Hz

Power, electrical, physical

87 dB 2.83 V/1 m Sensitivity 88 dB +1 dB 2.83 V/1 m
8 Ω Impedance 8 Ω
15 to 130 W Amp range 30 to 150 W
Not published Speaker terminals 5-way binding posts Checked against the maker's own sheet, Sep 2026 Source
873 mm · 32 lb Height · weight 980 mm · 43 lb Checked against the maker's own sheet, Sep 2026 Source
5 yr Warranty 5 yr

A higher sensitivity figure means the same loudness from less amplifier power. Values come from each manufacturer datasheet.

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Availability

Where they stand on price

KEF Q550
Check price on Amazon Read our review Full specs
Availability last checked May 17, 2024
Wharfedale Diamond 12.3

The Wharfedale Diamond 12.3 isn't sold new any more. The closest current model is the Wharfedale Diamond 12.4.

Check the Wharfedale Diamond 12.4 on Amazon Search for the original on Amazon Full specs

Why this one: Direct successor in the Diamond 12 tower line, same slot as the 12.3

Availability last checked May 17, 2024

We do not show live prices; price tiers are our editorial categories. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and comparisons are never influenced by affiliate partners.

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