HiFi SPECS

A/B comparison · Speakers

Q Acoustics M20 vs Wharfedale Diamond 12.3

Specs from both manufacturer datasheets Updated May 17, 2024

CH A Q Acoustics M20

Q Acoustics M20

Channel A · Powered Bookshelf · 2021

About $729 a pair

VS
CH B Wharfedale Diamond 12.3

Wharfedale Diamond 12.3

Channel B · Floorstanding (Tower) · 2020
Q Acoustics M20 Wharfedale Diamond 12.3
20 Hz 100 1k 10k 20k
8.6/10Q Acoustics

Rows won, of 12 compared Q Acoustics 1 · Wharfedale 1 · tied or not compared 10

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-way Configuration 2.5-way
1x 0.75" Tweeter + 1x 5" Mid-woofer Drivers 1x 1" Tweeter + 2x 5" Mid-woofer
55 Hz to 22 kHz Frequency responseReference not published 45 Hz to 20 kHz ±3 dB · 40 Hz to 20 kHz extended
105 dB +4 dB Max SPL 101 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)
49 Hz Port tuning 45 Hz

Power, electrical, physical

88 dB SensitivityReference not published 88 dB 2.83 V/1 m
6 Ω Impedance 8 Ω
25 to 75 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
279 mm · 24.3 lb Checked against the maker's own sheet, Sep 2026 Source Height · weight 980 mm · 43 lb Checked against the maker's own sheet, Sep 2026 Source
2 yr Warranty 5 yr +3 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

Q Acoustics M20
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.

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

Availability last checked May 17, 2024

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