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Instructions for handling vacuum tubes shipped with the VT80 amplifier.
Guidelines for proper placement, ventilation, and surface support for the VT80 amplifier.
Diagram illustrating the rear panel layout of the VT80 amplifier, including ports and controls.
Instructions for connecting the VT80 to a dedicated AC power source and proper system turn-on sequence.
Step-by-step procedure for powering on the VT80 amplifier and connected audio components.
Procedure for safely powering off the VT80 amplifier and the rest of the audio system.
Critical safety warning about lethal voltages and the need for qualified service technicians.
General| Input Impedance | 130K ohms Balanced, 65K ohms Single-ended. |
|---|---|
| Frequency Response | 20Hz to 20kHz +0 -0.5dB |
| Dimensions | 14" (35.6 cm) W x 7" (17.8 cm) H x 15.5" (39.4 cm) D |
| Weight | 47.8 lbs. (21.7 kg) Net |
| Type | Vacuum Tube Amplifier |
| Power Output | 75 Watts per channel |
| Tubes | 4 x 6550 |
| Output Impedance | 4, 8, 16 Ω |
| Output Taps | 4, 8, 16 Ω |
| Total Harmonic Distortion | Typically 1% at 75 watts, below 0.05% at 1 watt |
| Signal-to-Noise Ratio | 90dB |
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