This is a safety warning document about Yamaha wn-3u0z.
This manual covers safety information, warnings about electric shock, and proper handling of the Delta Blues guitar amplifier. It explains the power switch, pilot light, tremolo controls, EQ sections, boost switch, reverb, and the external speaker and remote footswitch connections.
Detailed specifications are listed, including rated power, frequency response, input and output levels, and power consumption. Warranty and registration instructions are also provided at the end of the document.
| Rated Power | 30 W RMS into 16 or 8 Ω |
|---|---|
| Power Consumption | 150 W, 50/60 Hz, 120 V AC |
| Frequency Response | +0, –2 dB, 50 Hz to 15 kHz |
| Hum & Noise | Greater than 80 dB below rated power |
| Lead Channel Nominal Input Level | -40 dBV (10 mVRMS) |
| Nominal Output Level | -6 dBV (0.5 V RMS) |
| Minimum External Speaker Impedance | 16 Ω total |
Set the power switch to the “on” position; the pilot‑light LED will illuminate when AC power is supplied.
Connect an external speaker with a total impedance of at least 16 Ω.
The amplifier delivers 30 W RMS into 16 Ω or 8 Ω loads.