TrueScaleAudio

Compare speakers at true scale

Pick two speakers and see them side by side at their real-world size.

Speaker A
Speaker B
References

Front view — side by side at true scale

AKEF Reference 1 MetaBSonus Faber Electa Amator III
KEF Reference 1 Meta front view
Sonus Faber Electa Amator III front view

Click either cabinet to swap A ↔ B · Reference height: 440 mm (44.0 cm) · 1 mm = 1.27 px

KEF Reference 1 MetavsSonus Faber Electa Amator III

The KEF Reference 1 Meta stands 44.0 cm tall — about 6.5 cm more than the Sonus Faber Electa Amator III at 37.5 cm. On footprint the Sonus Faber Electa Amator III is the wider cabinet (22.6 cm versus 20.5 cm). At 88 dB against 85 dB, the Sonus Faber Electa Amator III is the easier load to drive and plays louder from the same amplifier. The Sonus Faber Electa Amator III reaches deeper in the bass, down to 40 Hz versus 45 Hz. Low frequencies come from a 165 mm cone on the KEF Reference 1 Meta and a 180 mm cone on the Sonus Faber Electa Amator III. Both land in a similar price bracket, around $10,000 a pair.

Specifications

AB
ManufacturerKEFSonus Faber
ModelReference 1 Meta MetaElecta Amator III III
HiFi ladder position#172 of 215 bookshelf#124 of 215 bookshelf
Height440 mm375 mm
Width205 mm226 mm
Depth422 mm360 mm
Weight18.2 kg12.5 kg
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 25 mm tweeter (MAT aluminium dome), 1× 125 mm midrange (aluminium cone), 1× 165 mm woofer (aluminium cone)1× 28 mm tweeter (H28 soft dome with DAD), 1× 180 mm mid-bass (MW18 paper cone)
Frequency — low45 Hz40 Hz
Frequency — high35000 Hz35000 Hz
Sensitivity85 dB88 dB
Impedance4 Ω4 Ω
Recommended amp50–200 W35–125 W
MAP (USD)$10,000 / pair$10,000 / pair
Where to buyCheck availabilityCheck availability
Brand websiteinternational.kef.comsonusfaber.com
Product pageOpen product pageOpen product page

Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.