THE R FILES | CAPITULO 2 - QSC USA850

Another one from the 80s. The QSC USA850 A device so simple in its construction that it's good if used in the right environment. With few amplification stages and few protections! Even so, it's a special one for work in places with low voltages! ⏰TIMESTAMPS: 0:00 QSC USA850 Presentation 0:45 External Physical Aspects - Connectors 1:27 Let's Get to Know It Inside - Transformer 2:04 Secondary 2:20 Ventilation 2:30 Assembly 3:05 Output 3:29 Protections 3:59 Pre-Amplification Stages 4:42 Tests and Measurements 5:36 Power 6:02 Power Supply - Operating Voltage 6:48 Voltage Drop and Continues to Work 8:39 Diagnostics