This is PROBASS 500 Operation Manual, which introduces the features and characteristics of the product.
This manual begins with extensive safety warnings, emphasizing the risk of electric shock and instructing users not to open the unit or expose it to moisture. It directs all servicing to qualified Peavey technicians and outlines basic installation precautions such as proper grounding, ventilation, and power‑cord handling.
The remainder of the guide details the front‑panel controls, rear‑panel connections, and the full‑parametric EQ, along with power specifications, speaker load requirements, effects loop operation, ground‑lift switching, and suggested settings. Dimensions, weight, and tube information are also provided for reference.
| Power Output (2 Ω) | 500 W (31.62 VRMS) |
|---|---|
| Power Output (4 Ω) | 350 W (37.42 VRMS) |
| Power Output (8 Ω) | 200 W (40.00 VRMS) |
| Input Sensitivity | 1.0 VRMS |
| Minimum Speaker Load | 2 Ω |
| Preamp Tube | 12AX7 |
| Weight | 24.8 lb (11.25 kg) |
It delivers 350 W (37.42 VRMS) into a 4 Ω load.