4 x Polygram Phillips dynamic compressor Cutting Lathe Vinyl Mastering

4 x Polygram Phillips dynamic compressor Cutting Lathe Vinyl Mastering.

1) Super rare mastering compressor 4 channels

2) TRS unbalanced two channels and XLR two channels. Fully serviced.

3) Two meters are not working.

4) The units can be ganged for stereo and for QUAD.

Only two units in the world, Bangybang records and another one germany.