Union Tube & Transistor Lab Compressor *Beancounter Edition*Maker: Union Tube & Transistor Model: Lab Compressor Condition: New Description: The LAB is an optical compressor. It uses custom optocouplers to achieve up to 30dB of musical sounding compression. We loved how in the recording studio even with tons of compression the old optical compressors such as the LA 2A, the LA 3, the LA 4 sounded smooth and natural. The essence of the LAB's sound comes from the fast attack and slow release times of the custom