I made most of the mistakes mentioned in several of the community threads. Community answers have been very helpful - thank you!

Here is a summary in case it can help others:
1. Download and install the Acronova 1.1.3 driver manually (clears all warnings in Windows device manager)
2. Download and install the Acronova 1.3.0.2 R5 QQripper app (needed to support manual rip using dBcdgrab - do not run QQripper with Batch Ripper)
3. Purchase and install dbPowerAmp reference (trial is insuffient for batch ripper)
4. Download and install dbPowerAmp Batch Ripper R4 https://www.dbpoweramp.com/batch-ripper.htm (be sure to install to "\program files\dbPowerAmp")
5. Download and install dbPowerAmp Nimbie Batch Ripper Driver v6 (be sure to install to "\program files\dbPowerAmp")
6. Configure Batch Ripper to use Nimbie loading (don't use Auto eject / Manual load)

Good luck!
-bry