HiFi SPECS

A/B comparison · Speakers

Cambridge Audio SX-50 vs Martin Logan Motion 15i

Specs from both manufacturer datasheets Updated Jan 1, 2024 Scored with 10 + 7 Amazon reviews

Cambridge Audio SX-50 vs Martin Logan Motion 15i in brief

  • Our scores: Cambridge Audio SX-50 8.2/10, Martin Logan Motion 15i 9.0/10.
  • Martin Logan Motion 15i wins: sound quality (9.2 vs 8.3), bass response (8.6 vs 7.2), midrange clarity (8.9 vs 8.7), treble detail (9.5 vs 8.1), design (9.1 vs 8.5), value for money (9 vs 8.5).
  • Who should buy which: The Martin Logan Motion 15i wins every aspect where the two differ.
CH A Cambridge Audio SX-50

Cambridge Audio SX-50

Channel A · Bookshelf · 2013
VS
CH B Martin Logan Motion 15i

Martin Logan Motion 15i

Channel B · Bookshelf · 2019
Cambridge Audio SX-50 Martin Logan Motion 15i
20 Hz 100 1k 10k 20k
8.2/10Cambridge Audio 9.0/10Martin Logan

Rows won, of 9 compared Cambridge Audio 0 · Martin Logan 0 · 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-way Configuration 2-way
1x 1" Tweeter + 1x 5.25" Mid-woofer Drivers 1x 1" Tweeter + 1x 5.25" Mid-woofer
50 Hz to 22 kHz Frequency responseReference not published 60 Hz to 25 kHz ±3 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)

Power, electrical, physical

87 dB SensitivityReference not published 92 dB 2.83 V/1 m
8 Ω Impedance 5 Ω
10 to 100 W Amp range 20 to 200 W
239 mm Height · weight 290 mm · 26.5 lb
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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From our reviews

How it scored, paired

6 aspects, two channels

Cambridge Audio SX-50 Martin Logan Motion 15i
Sound quality 8.3 9.2
Bass response 7.2 8.6
Midrange clarity 8.7 8.9
Treble detail 8.1 9.5
Design 8.5 9.1
Value for money 8.5 9.0

Each aspect is scored 0 to 10 in our reviews, against the rest of the class.

Availability

Where they stand on price

Cambridge Audio SX-50
Availability last checked Jan 1, 2024
Martin Logan Motion 15i
Availability last checked Jan 1, 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.