Mike Caffrey's Review of the PL-2 in Tape-Op Russ Long's Review of the Quartet II in Pro Audio Review Mike Caffrey's Review of the Quartet II in Tape-Op Russ Long's Review of the Quartet in Pro Audio Review Larry Crane's Review of the Quartet in Tape-Op Jesse Cannon's review of the MDP-1 in Tape-Op Michael Cooper's review of the MDP-1 in MIX Michael Cooper's review of the ES-8 in MIX Dave Martin's review of the ES-8 Tube Limiter in Recording Russ Long's review of the 6386 Tube Limiter in Pro Audio Review Eddie Ciletti's review of the 6386 Tube Limiter in EQ Eddie Ciletti's review of the OCL-2 Tube Compressor in EQ Mark Frink's review of the OCL-2 Tube Compressor in MIX Michael Ross's review of the SPS-1 Stereo Preamp in Guitar Player