Need help?Do you have a question about the Diezel VH4 and is the answer not in the manual?
Important safety precautions to be aware of before operating the Diezel Amplifier to ensure product safety and liability.
Details the warranty coverage for the Diezel VH4/VH4S, including terms and conditions for original owners.
Instructions for connecting the amplifier to a power outlet, emphasizing safety and proper switch positions.
Explains the correct sequence for powering on the amp, including necessary warm-up time for tube longevity.
Details the importance of adequate warm-up time for vacuum tubes to prevent stress and prolong component life.
Covers the factory voltage setting and crucial advice for operating the amplifier abroad with correct voltage selection.
Details the main fuse, its values, and the tube fault indicator system for amp protection and troubleshooting.
Discusses common reasons for tube failure, including mechanical vibrations, wear and tear, and aging.
Details the effects loop system, including Send 1, Send 2, Return A, and Return B, and their connection parameters.
Compares parallel and serial effects returns, discussing their impact on signal path, tone, and ADA conversion.
Details the function and programmability of channel inserts for integrating stomp boxes and other effects per channel.
Explains the importance of matching speaker impedance to the amplifier's output jacks to prevent damage.
Details the Master Volume control, its full volume setting, and its ability to add power amp distortion at higher levels.
Explains the process of programming the VH4, including storing settings and creating MIDI programs via the 'Store' button.
Details that tube changes should be done by authorized personnel, requiring re-biasing due to the amplifier's hard wire bias system.
General| Channels | 4 |
|---|---|
| Power | 100 Watts |
| Power Tubes | 4 x EL34 |
| Type | Tube Amplifier |
| Preamp Tubes | 4 x 12AX7 |
| Master Volume | Yes |
| Inputs | 1 x 1/4" |
| MIDI | Yes |
| Footswitch | Yes |
| Outputs | 2 x Speaker Outputs (4, 8, 16 Ohms) |
| Effects Loop | Serial and Parallel |
| Dimensions | 29.13" x 10.24" x 11.81" (740 x 260 x 300 mm) |
| Weight | 52.9 lbs (24 kg) |
To Next Page
