I think this is the Ibanez digital delay unit that they discontinued for whatever reason a few decades ago.

Are they any good? Any buzz? How is the bypass?

I'm only interested because i think Adam Jones uses one.

Main Gear:

Santiago S3 Spanish Classical
PRS CE22 Mahogany
Mesa/Boogie F-50 combo w/ G12K-100
Teese RMC Wizard Wah
Rothwell Switchblade
Ibanez FL-9
Visual Sound Liquid Chorus V2