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General| Weight | 32 lbs (14.5 kg) |
|---|---|
| Dimensions | 21.5" x 16.5" x 9" (54.6 x 41.9 x 22.9 cm) |
| Inputs | 1 x Instrument |
| Outputs | 1 x 1/4" speaker output |
| Impedance | 4 ohms |
| Power Output | 250W |
| Output Power | 250 watts |
| Channels | 1 |
| Frequency Response | 40Hz - 18kHz |
| Type | Solid State |
| EQ | 4-band EQ |
Details on the clean channel's features, including the compander, gain, and volume controls.
Details on the overdrive channel, including gain, volume, and the 4-band equalizer.
Explanation of stereo effects, footswitch functionality, headphone jack, and direct output.
Guidelines for connecting external speakers for 250ML and 250RL models.
Usage instructions for the effects loop and auxiliary input/stereo output jacks.
Information on fuse replacement and routine maintenance procedures.
Key details on amplifier sensitivity, power output, and signal levels.
Specifications related to impedance requirements and various output jacks.
Details on optional accessories like the mic stand bracket and footswitch.
Steps for inspecting the internal board and setting initial voltages.
Procedures for biasing components and performing initial performance checks.
Final calibration steps for tone controls, stereo effects, and noise levels.
Step-by-step guide for adjusting trim pots to increase distortion.
Important safety warnings and handling advice for performing adjustments.
Comprehensive list of all components used in the 250ML amplifier.
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