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Boss DR-220E

 

 

 

Boss DR-220E

audio demo Country: JAPAN
Weight: 0,35 Kg
Dimensions: 239 x 75 x 31 mm
audio demo trend price : 50€
manual demo video comments

Boss DR-220E
Dr. Rhythm (1987)

 

Compact portable digital drum machine based on 12 bits PCM samples with LCD matrix sequencer.

There were two 220 versions released on the market:
- the "DR220A" version with Acoustic drum samples
- the "DR220E" versin with a more Electronic-oriented drum sample set.

edit
boss dr220e

info DRUM MACHINE the main panel features a LCD display (no backlit), 16 buttons, 12 pads (no velocity) and a volume slider.
Rear
panel terminal connectors:
- mono main out
- headphones out
- trigger I/O (pulse +5V)
Originally the machine came with a plastic silver case.



ac Power supply is a 9V external PSU PSA-100 DC (- 300mA or 6x 1.5V batteries.

 

 

edit VOICE main core based on uPD7514G 236 manages yp to 6 channels polyphony, note that some sounds are channel-shared.
Each voice has a sample assigned with some channel-shared restrictions e.g. you cannot play rimshot and claps at the same time.
Sound edit is limited to just 2 parameters:
- Note accent (5 levels)
- Gain volume (5 levels).

 

cpu HD63701Y0P

boss tech


edit WAVETABLE internal ROM (at IC2) a 128 Kb ROM contains 11 PCM waves at 12 bits resolution.



Boss DR-220e samples

electro BD electro SN hihat
cowbell/slap hi/low/mid tom china cymbal / cup





 

edit SEQUENCER internal 32 ROM patterns onboard but It is also possibile to record your own patterns in 2 different 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


pattern



edit MODIFICATION not much aroung about classic cheap Circuit bending, check out video below:


Boss DR-220 circuit bending

 

edit MEMORY:
- 32 presets rhythm patterns
- 32 free slots
- song max 256 bars.

 


edit RELATED FAMILY:

Boss DR-220 a

Boss DR-220 A is the "sister" quite the same but with different ROM wavetable more oriented to more traditional acoustic drums.

dr55

Other classic DR drum machines:


- DR55 analog

- Dr110 analog


 

effet VST PLUGIN / SAMPLED VERSION there are some free and commercial samples set:

  name price link demo
boss dr220e Goldbaby FREE sample set
effet n/a



demo AUDIO DEMO

demo record 1
demo record 2



video VIDEO CLIP SELECTION

video1 video2 video3
Demo 1 demo2 demo3

 

Boss DR-220 e



 

 

 

 

Boss DR-220E FACTORY RESET PROCEDURE

Switch on pressing [up] + [down] arrow keys

edit

 

 

 

 




manual
Boss DR-220E MANUAL

 

 

 


manual
SCHEMATICS / SERVICE MANUAL

 

 

 

 

 

 

 

audio demo

 

 

 

audio demo

 

 

scan dr220a and dr220e

 

 

 

Boss DR-220E FOR SALE


CHECK OUT EBAY OFFERS

 


 

 


manual

-cheap
-compact
- electro sounds


manual

- outdated
- no Midi



comment



REVIEW : "Rompler portable box, nice simmons-like sound, great source for sampling."

 
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COMMENTS

 

 

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Boss DR-220E 2.5 out of 5 based on 1 ratings. price €50