Sonic State Studio / Effects Units / KAWAI RV-4

Average rating: 8.7/10 out of 10

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adroit from Poland writes:
Great sound, a lot of control parameters, nice standard effects (reverbs, chorus, ensemble, delays, flangers),it has optical i/o (spdif)(why not coaxial too??) It's a cheap idea of 4-unit effect box. bad points: there is no dotted values in delays, reverbs could be a little too short for someone, preset switching mute time is long and it could have more buttons/knobs on the front to make controlling easier. but its 1990! remeber

Rating: 9 out of 10 posted Monday, 07-May-01 at 9:53
Brutal a part-timer user from USA writes:
The RV-4 is a real nice unit for the studio. I was a little disappointed with the MIDI control - there is noise, an audible clicking/popping on mine when you switch parameters. Also, the delays sync to MIDI - but I hear the same clicking/popping as the delay constantly adjusts itself to match the incoming clock. Also, it won't sync to a dotted 8th-note value (just 16th, 8th, and quarter note). In my opinion, the dotted 8th and the triplet are crucial delay lengths for any kind of dub, ambient, or trance-sounding delay effect. Still, it is a very powerful box with awesome reverbs and lush chorus. The delays are highly programmable, but only in 10ms units over most of their range. I do love the routing capabilities and the digital I/O and it was well worth what I payed for it just for the reverbs. But if you work with delays ALOT (like I do) you will definitely want another unit - especially if you plan on live effects tweaking.

Rating: 8 out of 10 posted Saturday, 24-Mar-01 at 3:22
Max Potekhin a hobbyist user from USA writes:
Compared to other effect units in the same price range, the RV looks extremely attractive. Having 4 stereo processors with individual I/O in one box, with some routing possibilities, gives the user quite a bit of flexibility.

The manual is helpful, but I have to say that editing turns out to be really easy on this unit. You just have to remember that the first 50 patches are hard wired factory presets, but the rest 50 slots are all yours to edit. Plus individual processors can be assigned different FX via MIDI.

MIDI implementation is powerful, you can switch programs, modify any of the 4 processors within a program individually, access parameters etc.

Some of the delay algorithms are quite interesting. Definitely a strong point for this unit.

Whether you want to get a decent effect unit at a ridiculously low price per channel, or want to combine a few effects to reinforce your synth patch, RV-4 seems to fit the bill.

Rating: 9 out of 10 posted Wednesday, 19-Jul-00 at 12:11
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