Detail 01
Silicon / Asym / Lift switch
It selects symmetrical clipping, asymmetrical clipping, or a diode-free circuit path.
Product detailSKU #1500000469566
DODOverdrive Preamp 250-X Effects Pedal Gray and Yellow
aggressivehigh outputwarmmetalrockhard rock
1/10
Independent shopping perspective
The Korena take
The 250-X is an overdrive and boost pedal built around an LM741 op-amp, with Gain and Level controls handling the main adjustment. Its three-position switch expands the format: Silicon uses symmetrical clipping, Asym changes to asymmetrical clipping, and Lift removes the diodes for boost-focused settings. A 1/4-inch input and output keep routing straightforward, while true hard-wire bypass takes the circuit out of the path when disengaged. The compact aluminum enclosure can run from a 9V battery or center-negative 9V DC power and tolerates supplies up to 18V.
Strong match
Who this is for
- Pedalboards needing a compact overdrive or boost with three distinct clipping and boost options.
- Guitar rigs where Gain and Level need to be adjusted quickly from the pedal face.
- Players experimenting with Silicon, Asym, and diode-free Lift switching modes.
Consider the trade-offs
When to look elsewhere
- Setups without a 9V battery or compatible center-negative 9V DC power source.
- Players expecting a 9V DC power supply to be included.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Up to 18V tolerance
The pedal accommodates power supplies up to 18V.
Detail 03
True hard-wire bypass
The pedal uses true hard-wire bypass when switched off.
Detail 04
2.63 x 4.68 x 2.25 inches; 0.56 lb.
Its footprint and weight are specified for compact pedalboard placement.
Final check
Know before you order
- 01A 9V DC supply is not included; use center-negative 9V DC if powering it externally.
- 02The pedal also accepts a 9V battery.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What controls does the 250-X have?
It has Gain and Level knobs, plus a three-position Silicon, Asym, and Lift switch.
02What are the input and output connections?
It has one 1/4-inch input and one 1/4-inch output.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
2 detailsPickups & controls
- Switching
- Silicon, Asym, Lift
- Control Knobs
- Gain, Level
3 detailsBody & build
- Chassis Material
- Aluminum
- Color
- Gray
- Color Finish
- Yellow
4 detailsConnections & power
- Voltage Tolerance
- +18V
- Output
- 1 x 1/4 inch
- Input
- 1 x 1/4 inch
- Power Supply
- 9V battery or 9V DC (center-negative, not included)
2 detailsSize & weight
- Weight
- 0.56
- Dimensions
- 2.63 inch x 4.68 inch 2.25 inch
2 detailsOther
- Pedal Type
- Overdrive/boost effects pedal
- Bypass
- True hard-wire bypass
