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Roland TR-505 (1986)

Roland TR-505

Trend price : 100€

Budget portable drum machine with crunchy digital samples and a sequencer.

Overview
(weight: 1kg) main panel features a simple LCD display, 15 buttons, 2 knobs and 16 trigger pads (no velocity).
Rear panel terminal connectors:
- main out
- headphones
- pedalswitch input for start / stop
- Midi interface
- tape interface



Voice
main core 8 bits CPU Roland R15179247 (which is a HD6301 derived from 6800) manages 8 digital channels.

Wavetable
128 KB ROM (IC11) contains 16 samples at 8/12 bits depth, mostly standard drums from this era with some extra ethnic samples very similar to TR-727 set.
PCM edit is limited to volume parameter.

Sequencer
step mode or real-time note insert.Step numbers can be changed for other scale time (default is 4/4) and odd tempo.

Sync
internal frequency from 40 to 240 BPM or slave mode to external Midi clock.

Midi
limited to note on/off and 5 different velocities. Pads can trigger assignable Midi notes (no velocity).

Memory
- 48 ROM patterns
- 48 RAM patterns
- 423 measures
- 6 songs



Audio demo:


Video Clip:

video clip


 

Review
OK: cheap / portable
NOT : sound / limited Midi / limited edit
"classic budget TR machine! some pretty raw samples with no possible edit"

cool


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Text , review, special demos copyright polynominal.com / Eric Pochesci

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