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Roland | TR-77 |
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Description | The Roland Rhythm 77 (TR-77) drum machine was Roland's first product and was released in 1972. It is actually an updated version of the Rhythm Ace FR-8L produced by Ace Electronics and was one of a trio of drum machines released by Roland that year, but offering features superior to those of Rhythm 33 (TR-33) and Rhythm 55 (TR-55). It comes in a flat wooden case with a metal base, and in keeping with its intended market amongst organists it has a folding music stand on top. |
| Brand | Roland |
| Model | TR-77 |
| Device | Drum |
| Type | Desktop |
| Engine Type | Analog |
| Engine | VCO, preset |
| Voices (max) | 1 |
| Sequencer | 32 patterns |
| Keys | 0 |
| Key type | N/A |
| Velocity | N/A |
| Aftertouch | N/A |
| Produced: | 1972 |
| Legend: | Obvious | Y: Yes, N: No, N/A: Not Applicable | |
| VCO | Voltage Controlled Oscillator | DCO | Digital Controlled Oscillator |
| LFO | Low Frequency Oscillator | Sub | Sub Oscillator |
| VCF | Voltage Controlled Filter | VCA | Voltage Controlled Amplifier |
| Velocity | As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key. | Aftertouch | Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel. |
| Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise. | |||
