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Roland PB-300

 

 

 

roland PB-300

info Country: Japan
Weight: 2,5 Kg
Dimensions: 314 (w) x 118 (h) x 172 (d)
audio demo trend price : 200€
manual demo free sample video comments

 

Roland PB-300
Rhythm Plus (1983)

 

Preset analog drum machine originally releases to expand the ROLAND HP300-400 piano keyboards system.

logo
edit

info DRUM MACHINE Main panel features 3 sliders, 3 switches, 2 knobs and 17 push buttons.


Back panel terminal connectors:
- main signal out
- line signal input
- Midi Clock I/O
- master / slave clock switch
- accent level knob
- start / stop pedalswitch input
- fillin pedalswitch input.

 




edit TECH
main core based on 8-bits processor model UPD7811G same featured into the iconic ROLAND TR-909.

cpu pb300

STRUCTURE: The PB-300 system manages 6 analog channels and 8 analog percussions: kick, snare, tom (x2) cymbal, hihats and claves.






edit DRUM
there are 16 pattern presets and no possible edit except 2 variations:
- fillin every 2/4/8/12/16 measures
- accent level amount.

presets patterns

Pattern rhytms are: rock (x3), waltzer, bossanova, samba, disco, rhumba, chacha, swing (x2), slow rock, shuffle, enka, march and beguine.

demo hear ACCENT

 



edit BASS/CHORDS/ARPEGGIATORS originally made for the HP system, this sections is a simple arranger with real-time tone transpose controlled by Midi, but It cannot be triggered directly from main panel.

presets patterns

 


 

edit SYNC the internal tempo range is from 40 to 250 BPM or PB can be synched to external MIDI clock

clock midi

IMPORTANT: it is NOT possible to trigger instruments by MIDI.



edit REPAIR & MODS pretty solid machine, no main issues.

roland pb300 internal

LEFT- PB 300 internal motherboard
- click on to magnify.

editA common mod is individual outs for each percussion.





edit
RELATED FAMILY:

Roland PR-800

Roland PR-800 same design 2 tracks sequencer for HP series pianos VIDEO

roland hp300

Roland Hp 300 and Hp 400 piano system VIDEO


 

effet VST PLUGIN / SAMPLED VERSION HERE UOU CAN GET the there are some free and commercial samples set:

Waveshapper

download pb300 sample set

- DOWNLOAD FREE PB300 sample set




demo AUDIO DEMO

demo rhythm pattern
demo rhythm pattern with accent


 

video VIDEO SELECTION

vintage Roland system robot blues
vintage Roland system robot blues

 

 



Company: Roland
Model: Roland PB-300
Class: Drum Machine
Pads: none
Display: none
Dates: 1983
Technology: analog
N. Sounds: 8 percussions
Polyphony: 6 voices
Patterns: 16 rhythms
SYNC: Midi
CPU: UPD7811G
Demo: 2

 

manual
MANUAL

manual
ROLAND PB-300 SERVICE MANUAL /SCHEMATICS


 

banner pb300

 

 

Roland PB300 FOR SALE
Roland tr626 -

CHECK OUT EBAY OFFERS

 

 

 

 

 

 

CPU motherbaord accent pot
awardSPECIAL AWARDS:

solid
solid
no sequencer frustration rare

comment

REVIEW
REVIEW: " good sound and rare! Don't get fooled by Midi connectors there are just for clock and not for triggering."

manual manual
-analog drum -Midi only for sync
- rare
-no sound controls
  -no sequencer



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roland pb-300 Roland PB-300
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