TECH main core IC H8/532 (Hitachi hd6435328f) + DAC Burr Brown PCM69AP .
System manages up to 28 voices polyphony or PCM TONES.
A basic JV-80 patch is composed by 4 tones (or PCM samples) with individual settings:
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-
keyzone assignment
-
pitch tuning
- gain amount
-
stereo panning position
-
delay start time
- crossmodulation FXM Hear |
WAVETABLE inernal 4 Mb ROM contains 129 PCM samples at 16-bits resolution, mainly a wide selection of bread and butters for all kind of music and tastes.
TIP: The internal ROM can be expaned using either SO-PCM cards or SRJV cards.
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The ROM table is basically organized into 3 categories:
- acoustic
-
basic waves
-
drums and percussions
Hear ALL internal waves
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EXPANSION the JV is expandable fitting 2 kind of expansions:
- PCM card inserted into the frontal slot (SO-PCM series 1/2 MB)
- SRJ-V board (usual size is 4 or 8 MB).
SR-JV LIST |
SO-PCM LIST |
SR-JV80-01 |
POP |
SR-JV80-02 |
ORCHESTRAL |
SR-JV80-03 |
PIANO |
SR-JV80-04 |
VINTAGE SYNTH |
SR-JV80-05 |
WORLD |
SR-JV80-06 |
DANCE |
SR-JV80-07 |
SUPER SOUND SET |
SR-JV80-08 |
KEYBOARDS OF THE 60's & 70's |
SR-JV80-09 |
SESSION |
SR-JV80-10 |
BASS AND DRUM |
SR-JV80-11 |
TECHNO COLLECTION |
SR-JV80-12 |
HIP HOP |
SR-JV80-13 |
VOCAL COLLECTION |
SR-JV80-14 |
ASIAN |
SR-JV80-15 |
SPECIAL FX Collection |
SR-JV80-16 |
ORCHESTRAL II |
SR-JV80-17 |
COUNTRY Collection |
SR-JV80-18 |
LATIN Collection |
SR-JV80-19 |
HOUSE Collection |
SR-JV80-98 |
EXPERIENCE promotional board. |
SR-JV80-99 |
EXPERIENCE 2 promotional board. |
NOTE: There are 21 SR-JV available with different instrument styles, but only the first 3 were projected for JV80/880 series mainly for the structure algorithm and the EFFECT DSP that improved JV series with the following model JV1080.
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SO-PCM1-01 Piano Selections
SO-PCM1-02 Guitar and Brass
SO-PCM1-03 Rock Drums
SO-PCM1-04 Grand Piano
SO-PCM1-05 Accordion
SO-PCM1-06 Baroque
SO-PCM1-07 Orchestral FX
SO-PCM1-08 County/Folk/Bluegrass
Note: SO-PCM cards are also compatible with:
- Roland JD-990
- Roland JV1080
- Roland JD-800 (only PCM, not programs)
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ENVELOPE each TONE features 3 EGs:
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- EG1 AMP: segments + 3 times, 8 velocity curves + key follows option.
- EG2 FILTER: 4 segments + 4 times
- EG3 PITCH: 4 segments + 4 times, Keyfollow + random Pitch ratio |
LFO up to 2 delayed modulators, 7 shapes with adjustable symmetry offset : triangle, sinewave, sawtooth, trapezoidal, random1 and random2 - sample-hold.
The
LFOs destinations are: TVF filter, TVA amplitude and stereo panning.
Some extra modulation functions are note retrig and sync to LFO.
FILTER digital resonant TVF - Time Variant Filter - provides 2 modes: lowpass + highpass.
The TVF features also keyfollow function with
+/- 200% harmonic content cutoff over octaves.
PERFORMANCE the JV engine is multimbric and manages up 7 parts (+1 drum) parts each with assignable parameters:
-
Midi channel assign
-
keyboard zone assign
-
stereo panning
-
volume gain
-
effect amount
-
pitch tuning
- variable tuning scale: equal, just and arabic.
- portamento set
- analog feel function Hear
Hear two parts multitimbric (synth+bass)
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EFFECT digital DSP features basically 2 kind of effects that can be edited with minor parameters:
- reverb: 8 presets 2 ROOM, 2 STAGE, 2 HALL and 2 DELAY Hear
- chorus: 3 presets
of choruses/flanger with variable rate and depth Hear
MEMORY:
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- RAM 64 patches
- RAM
16 performances
- RAM
1 rhythm set
- ROM 128 patches
- ROM 16
performances
- ROM
1 rhythm set.
TIP: RAM doubled using l Data card model Roland M 256 / M512. |
EDIT some programmers for computer:
-Soundquest (MAC/PC, $$$)
- JV Tool (PC + Linux) FREE URL
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MAINTENANCE I did personally had troubles with tact switches that were getting hard to push.
standard tact switches replaced!
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