คีย์บอร์ด/Keyboard แปลงไฟเป็น220V ROMในตัวเครื่องมีเสียงให้เลือกใช้งานเหมือนกับรุ่น JV-35,JV-50 โดยรุ่นนี้เพิ่มเป็น 76คีย์ เน้นกลุ่มที่เล่นเปียนโน ให้อ๊อคเตฟกว้างขึ้น นอกจากนี้ยังสามารถเพิ่มบอร์ดเสียงพิเศษได้อีกด้วย(EXPAND BOARD) เสียงหนาและทัชชิ่งดีมากๆ
The JV90 offers a wide range of Pianos, all intelligently voiced with no muddiness, but just a hint of 'digitalness', in the upper middle region. Over the top octave or so, there's a fixed key 'clunk', which adds considerable realism. The velocity mapping of the keyboard works well with the Rhodes sounds, where the sound gets brighter and harmonically richer when you hit harder. Where the JV90 scores is in the bass end. Bass electric organ sounds, for example, are usually a dead give-away, with buzzing and growling revealing the digital nature of the sound. Not so with the JV90.
The acoustic guitars have an unnerving clarity, and the Pipe Organ, a favourite instrument of mine, is the best I've heard since the D50's Cathedral Organ, or even better, because the sound doesn't get too muddy when holding down a fistful of notes. One complaint is that on this Patch, and others, random panning is applied. Ban random panning. It's a nightmare -- a cheap effect and a gimmick. You need to go through all but the most abstract of patches and remove it (taking up valuable user memory).
Despite the lack of string waves, there is a wide range of string Pads, Solos and Ensembles, though no really aggressive bowed ensemble like the old 'Vivaldi Strings' of the DX/TX7 which was so useful.
Countless more esoteric patches offer yet weirder and more wonderful sounds, which would, I feel, generally record well. And, thankfully, the sounds are somewhat anonymous, so you won't keep hearing tracks and saying "Hey that's a JV90". Don't forget that on the Performance Control panel there is a Presence slider to brighten any sound if necessary.
If you are an old rocker, or into dance tracks, I'd recommend the SR-JV80-04 Vintage Synth expansion board. It features a host of impressive re-creations of analogue instruments, some astoundingly realistic, as well as a wide range of complex SFX sounds, with names such as 'Prologue', 'Prophetic', and 'Shmoog'.
Keyboard 76 notes, velocity & aftertouch sensitive
Polyphony 28 voices (max)
Multitimbrality 8 Part (7+1 Drum)
Patch 256 64
Performance 64 16
Rhythm Set 4 1
Wave Memory 4Mb internal
Chorus 3 types
Reverb/Delay 8 types
Display 40-character, 2-line, Back-lit LCD