VOICE main core based on uPD7514g-236 manages 6 channels polyphony, some sounds are channel-shared.
Each voice has a sample assigned a 128 Kb ROM banks with some channel-shared restrictions: for instance you cannot play rimshot and claps at the same time.
You cannot really edit sample but 2 basic parameters:
-
Accent (5 levels)
-
Mix volume (5 levels).
![boss tech](Boss DR-220a-tech.jpg)
WAVETABLE internal ROM (IC2) contains 11 PCM waves at 12 bits resolution.
kick |
snare |
hihat |
rimshot/clap |
hi/low/mid tom |
crash/ride cymbal |
SEQUENCER internal 32 ROM patterns onboard with common style rhythms like rock, bossnova, samba, disco, electropop ... but It is also possibile to record your user patterns in 2 modes :
- realtime (with tap button)
- step mode.
Some limited edit functions like copy patterns and delete/ insert note.
SYNC internal tempo range from 40 to 250 BPM or slave-synched to external analog Trigger.
TIP: trigger signal is able to control 1 sound.
![Boss DR-220 A](rec3.jpg)
![pattern](pattern.jpg)
MODIFICATION not much aroung about classic cheap Circuit bending, check out video below:
![Boss DR-220 circuit bending](dr220-circuit-bending.jpg)
MEMORY:
-
32 presets rhythm patterns
- 32 free slots
- song max 256 bars.
RELATED FAMILY:
![Boss DR-220 E](boss-dr220-e.jpg)
|
Boss DR-220E is the "sister" quite the same but with different ROM wavetable more oriented to Simmons-like analog sounds, which make it more sought-after VIDEO
|
![dr55](dr55.jpg) |
Other classic DR drum machines:
- DR55 analog
- Dr110 analog
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VST PLUGIN / SAMPLED VERSION there are some free and commercial samples set:
|
name |
price |
link |
demo |
![Boss DR-220 free samples](../Roland-tr505/set1.jpg) |
Machines hyperreal |
FREE sample set
|
![effet](../icon/link.gif) |
n/a |
|
AUDIO DEMO
Soundcloud Boss DR-220A
VIDEO CLIP SELECTION
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![Boss DR-220 A](boss-dr220-a-drum-machine.jpg)