Clone of Classic TubeTech CL1B - but with DAW Control (total Recall/Automation) and even Motorpotis
The new A4-1B is an optical compressor with digital control and automation capabilities, faithfully recreating the sound and design of a revered Opto-Tube classic while enhancing it for modern workflows. Built with an uncompromising selection of top-tier components and featuring an innovative automated calibration for the opto-cell, the A4-1B is designed to meet the high demands of audio professionals even after decades of work.
Reverb Buyer Protection
Reverb has your back if your item is lost, damaged, or doesn't match its description. Simply report any issues within 7 days and we'll help you get a full refund.Learn more about Reverb Buyer Protection.
| Condition | Brand New (New) Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more |
|---|---|
| Brand | |
| Model |
|
| Categories |
Product safety information may be available here.




