Detail 01
233 sounds, 12 accessible from pads
Only 12 sounds sit under your fingers at once. Reaching the rest means assigning them into a kit first.
Product detailSKU #1274115061092
AlesisSR-16 Drum Machine
Independent shopping perspective
The Korena take
A compact drum machine with 233 built-in sounds and 12 velocity pads, aimed at songwriters and practicing musicians who want patterns without a computer.
Strong match
Who this is for
- Practicing to a real groove instead of a click
- Songwriters sketching arrangements away from a DAW
- Solo and duo acts needing backing rhythm live
Consider the trade-offs
When to look elsewhere
- Producers who want to load their own samples
- Anyone needing USB audio or direct DAW integration
- Players wanting modern electronic and trap kit sounds
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Dynamic Articulation on the pads
Harder hits change tone, not just volume, so programmed parts breathe instead of sounding machine-flat.
Detail 03
16-voice polyphony
Sixteen sounds can ring at once. Dense cymbal and tom fills with long decays can cut each other off.
Detail 04
4 audio outputs (2 stereo pairs)
Send kick and snare to one pair, everything else to the other, so a mixer or recorder can process them separately.
Detail 05
MIDI Clock and Song Position Pointer
Locks tempo to a sequencer or DAW and follows when you jump to a different point in the song.
Detail 06
Two footswitch jacks
Start/stop and fills are hands-free, which is what makes it usable while you play guitar or bass live.
Final check
Know before you order
- 01Uses a 9 VAC external transformer — not a standard 9V pedal supply
- 02No USB audio; recording means running the outputs into an interface
- 03200 of the 400 patterns are user slots, the rest are fixed presets
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can I load my own samples onto it?
No. The 233 sounds are fixed in the unit. You can stack and edit them into your own kits, but you cannot import new audio.
02Does it work as a metronome for practice?
Yes. Tempo runs 20-255 BPM with patterns from 1 to 128 beats, so you can practice odd time signatures against real drum parts.
03Will it sync to my DAW?
Yes, over MIDI Clock with Song Position Pointer. You need a MIDI interface, since the unit has MIDI ports rather than USB.
04Can I trigger the sounds from a MIDI controller?
Yes. 120 sounds are reachable over MIDI with 127 velocity levels, versus 12 sounds and 8 loudness levels from the onboard pads.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
2 detailsSound
- Power
- 9 VAC External Transformer, UL, and CSA Approved
- Polyphony
- 16 voice
1 detailsPickups & controls
- Footswitch Jacks Functions
- 2; start/stop, count/A/B/fill
1 detailsConnections & power
- Audio Outputs
- 4 (2 stereo pairs)
2 detailsSize & weight
- Weight
- 2.5
- Dimensions
- (WxHxD) 9.25 inchx 1.5 inch x 6.5 inch
16 detailsOther
- Sounds Accessible Via MIDI
- 120
- MIDI Program Change Response
- Kit
- Sync
- MIDI Clock/Song Position Pointer
- Kits
- 50 user, 50 preset
- Panning
- 7-position user programmable
- Notes Patterns Songs
- 12,000/400 (200 user, 200 preset)/100
- Dynamic Articulation
- Modulates tone
- Velocity Response
- 8 loudness levels via pads, 127 via MIDI
- Sounds
- 233
- Pads
- 12 velocity sensitive (with Dynamic Articulation)
- Sounds Accessible Via Pads
- 12
- Time Signature Range
- 1-128 beats per pattern
- Timing Resolution
- 96 ppq
- Other Features
- Sound stacking, step editing, stereo samples with reverb and ambience
- Sample Dac Bit Resolution
- 16/18
- Tempo Range
- 20-255 BPM
