Trend price : 100€
One of the first fully-digital affordable drum machine based on PCM samples.
Company: Roland
Model: Tr-505
Class: drum machine
Country: JAPAN
Weight: 1,3 Kg
Dimensions: 400 (w) x 194 (h) x 55 (d) mm
Drumpads: 16
Dates: 1987
Price: 100€
Synthesis: PCM ROMPLER
Polyphony: 8 voices
Resolution: 8 bits
Sounds: 30 PCM
Sampling Rate: 25 kHz
LFO: none
Envelope: none
Sequencer: yes
Tempo: 40-240 BPM
Sync: Midi / Tape sync
Memory: 48 slots
Midi: IN / OUT
CPU: HD63701Y0P
Demo: 1
Video: 1
Review: 1
DOWNLOAD: user manual - service manual- free samples
Overview
the main panel features a LCD display, 16 buttons, 2 knobs and 16 trigger pads (no velocity).
Rear panel terminal connectors:
-
main signal out
-
8 individual outputs
- Midi interface
- analog trig out
-
pedalswitch input start / stop
-
tape & sync interface
Voice
main core based on HD63701Y0P manages 8 channels polyphony.
The sample edit is limited to 2 parameters:
-
pitch tuning
-
mix volume
Wavetable
internal ROM contains 30 PCM waves probably at 8 2 bits resolution mainly sampled from acoustic drums.
Sequencer
similar to TR-707 system with real-time or steps by step recording modes. Some edit options e.g: flame, accent, swing and shuffle.
Midi
sounds can be assigned to a specific MIDI note and triggered dynamically (but only 6 levels) by Midi devices, but no other special controls or CC#
Sync
internal tempo range from 40 to 240 BPM or slave-synched to:
-
external Midi clock
-
tape sync
Memory
-
48 ROM patterns
-
48 RAM patterns
-
6 songs (maximum of 999 steps)
Review
OK: cheap / sequencer
NOT : outdated sounds / display / limited Midi
"A piece of Roland history at low price! Be inventive with separate outs and effects !"
Text , review, special demos copyright polynominal.com / Eric Pochesci
