Specification
Every number, in one place.
Kerf One and Kerf One Pro side by side. Where they differ, the note says so.
Recording
Tracks
Tracks
4
4
Two XLR and two 3.5 mm on One. Four XLR on One Pro.
Two XLR and two 3.5 mm on One. Four XLR on One Pro.
Bit depth
Bit depth
32 bit float
32 bit float
24 bit fixed also available per take
24 bit fixed also available per take
Sample rates
Sample rates
44.1 to 192 kHz
44.1 to 192 kHz
Format
Format
WAV, one file per track
WAV, one file per track
Plus a plain text log with marks and levels
Plus a plain text log with marks and levels
Media
Media
SD, SDHC, SDXC to 1 TB
SD, SDHC, SDXC to 1 TB
Class 10 or faster
Class 10 or faster
Record time
Record time
11 h 20 m on a 128 GB card
11 h 20 m on a 128 GB card
Four tracks, 48 kHz, 32 bit float
Four tracks, 48 kHz, 32 bit float
Inputs and outputs
Mic inputs
Mic inputs
2 XLR combo (One), 4 XLR combo (One Pro)
2 XLR combo (One), 4 XLR combo (One Pro)
48 V phantom on all
48 V phantom on all
Line in
Line in
3.5 mm stereo
3.5 mm stereo
Headphones
Headphones
3.5 mm, 80 mW into 32 ohm
3.5 mm, 80 mW into 32 ohm
Timecode
Timecode
One Pro only
One Pro only
BNC in and out, 0.2 ppm
BNC in and out, 0.2 ppm
USB
USB
USB-C, audio interface and card reader
USB-C, audio interface and card reader
Class compliant, no driver
Class compliant, no driver
Power
Battery
Battery
NP-F570, replaceable
NP-F570, replaceable
Two screws, no glue
Two screws, no glue
Run time
Run time
14 h
14 h
Four tracks, no phantom power, screen dimmed
Four tracks, no phantom power, screen dimmed
Run time with 48 V
Run time with 48 V
8 h 30 m
8 h 30 m
Two mics drawing phantom power
Two mics drawing phantom power
Charging
Charging
USB-C PD, 0 to 100 in 2 h 10 m
USB-C PD, 0 to 100 in 2 h 10 m
Records while charging
Records while charging
Body
Size
Size
148 × 94 × 38 mm
148 × 94 × 38 mm
Weight
Weight
486 g with battery
486 g with battery
One Pro is 612 g, aluminium body
One Pro is 612 g, aluminium body
Screen
Screen
2.4 inch transflective
2.4 inch transflective
Readable in direct sun
Readable in direct sun
Mounting
Mounting
Two 1/4 inch threads
Two 1/4 inch threads
Bottom and left side
Bottom and left side
Operating range
Operating range
minus 10 to 45 °C
minus 10 to 45 °C
What is in the box
Kerf One
NP-F570 battery
USB-C cable, 1 m
Wrist strap
Quick card, two sides, no manual