HiFi SPECS

A/B comparison · Speakers

Martin Logan Motion 15i vs Klipsch R-620F

Specs from both manufacturer datasheets Updated Mar 10, 2025

CH A Martin Logan Motion 15i

Martin Logan Motion 15i

Channel A · Bookshelf · 2019
VS
CH B Klipsch R-620F

Klipsch R-620F

Channel B · Floorstanding (Tower) · 2018
Martin Logan Motion 15i Klipsch R-620F
20 Hz 100 1k 10k 20k
9.0/10Martin Logan

Rows won, of 12 compared Martin Logan 0 · Klipsch 2 · 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-way
1x 1" Tweeter + 1x 5.25" Mid-woofer Drivers 1x 1" Tweeter + 1x 6.5" Woofer
60 Hz to 25 kHz ±3 dB Frequency response 38 Hz to 21 kHz -22 Hz deeper ±3 dB
Not published Max SPL 116 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)
Not published Port tuning 45 Hz

Power, electrical, physical

92 dB 2.83 V/1 m Sensitivity 96 dB +4 dB 2.83 V/1 m
5 Ω Impedance 8 Ω
20 to 200 W Amp range 100 W
Not published Speaker terminals 5-way binding posts Checked against the maker's own sheet, Sep 2026 Source
290 mm · 26.5 lb Height · weight 1016 mm · 41 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

Martin Logan Motion 15i
Availability last checked Mar 10, 2025
Klipsch R-620F
Availability last checked Mar 10, 2025

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