ELAC Debut 2.0 B6.2 vs Wharfedale Diamond 9.1

Last updated: August 25, 2026

Short answer: the ELAC Debut 2.0 B6.2. It ranks #88 of 131 bookshelf speakers by sound quality; the Wharfedale Diamond 9.1 ranks #109.

What the ELAC Debut 2.0 B6.2 offers: Reasonably flat on-axis and listening-window response with reasonably even horizontal directivity, holding about ±60° up to roughly 8kHz for consistent stereo width whether aimed directly at the listener or toed out. Its larger-than-typical woofer lets it play very loud with minimal distortion, staying under about 1% THD down to 50Hz at 86dB, and minimum impedance stays a comfortable 5-6 ohms. In-room bass extension reaches about 50Hz without much trouble, enough for a solid kick-drum sound. Takes equalization very well - correcting the on-axis response doesn’t cost sensitivity through the midrange, and the underlying directivity behavior (diffraction, vertical mismatch) is mild enough that EQ alone gets most of the way to a well-balanced sound. Vertical tolerance is asymmetric and fairly forgiving: about 10° above the tweeter axis and 20° below it before tonal balance meaningfully shifts. One reviewer called it “a good speaker” with “a good price” rather than just good-for-the-price, and found it fairly neutral overall in-room. Watch for: A good size resonant peak around 700Hz stands out from an otherwise smooth response and lingers in cumulative spectral decay (waterfall) measurements - in one reviewer’s sighted A/B test, reducing it by about 5dB via EQ made a noticeable but not dramatic difference. Directivity error shows up around 3.3kHz, and the upper-midrange around 4-6kHz stood out as edgy and sharp, almost sibilant at times, in casual listening - the predicted in-room response shows a lack of energy between 1-2kHz and a bit too much above that, which one reviewer thought would sound bright. Distortion at 96dB SPL/1m shows two harmonic peaks the reviewer says “should not be there,” one from woofer breakup around 400Hz and another around 7-8kHz from the tweeter, and multitone distortion approaches 10% in the 500-800Hz range at that output level. Real compression shows up even at moderate volume and worsens at 96dB and above, with the woofer clearly giving up around 60-70Hz - a subwoofer is recommended for anyone wanting to listen loud, since running it full-range at high output costs real dynamic range in the midbass and bass. Don’t place it close to a wall - boundary reinforcement adds a midbass bump that undoes the otherwise smooth, linear response. Getting the best out of it takes EQ (taming the 700Hz peak, filling in the 1-2kHz dip, and trimming the highs).

What the Wharfedale Diamond 9.1 offers: The first design was a pretty good sounding speaker, the speaker was then outsourced to China and lost 1.5kg and was made with cheap parts and sounds much worse. Slightly rolled off in the treble by about 3dB Watch for: All current new ones sold today are the crap version.

Buy the ELAC Debut 2.0 B6.2 if sound quality matters more than the price. Buy the Wharfedale Diamond 9.1 if the price matters more than sound quality.

If sound quality matters at all to you, skip the Wharfedale Diamond 9.1. It ranks near the bottom of the 131 bookshelf speakers, so look higher up the list instead.

Buy the ELAC Debut 2.0 B6.2 at Amazon ($329.00) →

ELAC Debut 2.0 B6.2 vs Wharfedale Diamond 9.1

Specifications Side By Side

ELAC Debut 2.0 B6.2 Wharfedale Diamond 9.1
Price$329.00Discontinued
Ranked#88 of 131 in Large Size Bookshelf Speakers#109 of 131 in Large Size Bookshelf Speakers
Bass Extension (-10dB)40Hz (measured, Erin’s Audio Corner)-
Bass Extension (-3dB)64Hz (measured, Erin’s Audio Corner)-
Impedance6 ohms nominal, 5.2 ohms minimum (measured, Erin’s Audio Corner)6 ohms
Sensitivity86.5dB (measured, Audio Science Review)87dB
Drivers25mm tweeter + 165mm woofer6.5" Kevlar cone woofer, 1" soft dome tweeter
Weight29.1 lbs / 13.2 kg12.1 lbs / 5.5 kg (good version), 9.9 lbs / 4.5 kg (bad version) each
Dimensions14.8"H x 7.7"W x 10.6"D (375.0 x 195.0 x 268.0 mm)11.7"H x 7.6"W x 10.9"D (296.0 x 194.0 x 278.0 mm)
Woofer Cabinetported, frontported
Discontinued-Yes
Buy the ELAC Debut 2.0 B6.2 at Amazon ($329.00) →

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The Two Speakers In Full

ELAC Debut 2.0 B6.2: $329.00 Amazon Crutchfield eBay

ELAC Debut 2.0 B6.2 ranking card

Pros: Reasonably flat on-axis and listening-window response with reasonably even horizontal directivity, holding about ±60° up to roughly 8kHz for consistent stereo width whether aimed directly at the listener or toed out. Its larger-than-typical woofer lets it play very loud with minimal distortion, staying under about 1% THD down to 50Hz at 86dB, and minimum impedance stays a comfortable 5-6 ohms. In-room bass extension reaches about 50Hz without much trouble, enough for a solid kick-drum sound. Takes equalization very well - correcting the on-axis response doesn’t cost sensitivity through the midrange, and the underlying directivity behavior (diffraction, vertical mismatch) is mild enough that EQ alone gets most of the way to a well-balanced sound. Vertical tolerance is asymmetric and fairly forgiving: about 10° above the tweeter axis and 20° below it before tonal balance meaningfully shifts. One reviewer called it “a good speaker” with “a good price” rather than just good-for-the-price, and found it fairly neutral overall in-room.

Cons: A good size resonant peak around 700Hz stands out from an otherwise smooth response and lingers in cumulative spectral decay (waterfall) measurements - in one reviewer’s sighted A/B test, reducing it by about 5dB via EQ made a noticeable but not dramatic difference. Directivity error shows up around 3.3kHz, and the upper-midrange around 4-6kHz stood out as edgy and sharp, almost sibilant at times, in casual listening - the predicted in-room response shows a lack of energy between 1-2kHz and a bit too much above that, which one reviewer thought would sound bright. Distortion at 96dB SPL/1m shows two harmonic peaks the reviewer says “should not be there,” one from woofer breakup around 400Hz and another around 7-8kHz from the tweeter, and multitone distortion approaches 10% in the 500-800Hz range at that output level. Real compression shows up even at moderate volume and worsens at 96dB and above, with the woofer clearly giving up around 60-70Hz - a subwoofer is recommended for anyone wanting to listen loud, since running it full-range at high output costs real dynamic range in the midbass and bass. Don’t place it close to a wall - boundary reinforcement adds a midbass bump that undoes the otherwise smooth, linear response. Getting the best out of it takes EQ (taming the 700Hz peak, filling in the 1-2kHz dip, and trimming the highs).

Full ELAC Debut 2.0 B6.2 review and specifications →

Bass Extension (-10dB)40Hz (measured, Erin's Audio Corner)
Bass Extension (-3dB)64Hz (measured, Erin's Audio Corner)
Dimensions14.8"H x 7.7"W x 10.6"D (375.0 x 195.0 x 268.0 mm)
Drivers25mm tweeter + 165mm woofer
Impedance6 ohms nominal, 5.2 ohms minimum (measured, Erin's Audio Corner)
Sensitivity86.5dB (measured, Audio Science Review)
Weight29.1 lbs / 13.2 kg
Woofer Cabinetported, front
Check current price at Amazon ($329.00) →Check current price at Crutchfield →Search eBay for ELAC Debut 2.0 B6.2 →

Wharfedale Diamond 9.1: Discontinued eBay

Wharfedale Diamond 9.1 ranking card

Pros: The first design was a pretty good sounding speaker, the speaker was then outsourced to China and lost 1.5kg and was made with cheap parts and sounds much worse. Slightly rolled off in the treble by about 3dB

Cons: All current new ones sold today are the crap version. Discontinued.

Full Wharfedale Diamond 9.1 review and specifications →

Dimensions11.7"H x 7.6"W x 10.9"D (296.0 x 194.0 x 278.0 mm)
DiscontinuedYes
Drivers6.5" Kevlar cone woofer, 1" soft dome tweeter
Impedance6 ohms
Sensitivity87dB
Weight12.1 lbs / 5.5 kg (good version), 9.9 lbs / 4.5 kg (bad version) each
Woofer Cabinetported
Search eBay for Wharfedale Diamond 9.1 →