1. పరిచయం
Congratulations on your purchase of the DigiTech DOD-250-50TH Overdrive Preamp, a special 50th Anniversary Edition pedal. This manual provides comprehensive instructions for setting up, operating, and maintaining your new overdrive pedal, ensuring you get the most out of its versatile sound capabilities. Hand-built in the USA, this limited edition pedal honors the original DOD 250 design while introducing new functionalities for enhanced expressiveness.
2 కీ ఫీచర్లు
- 50th Anniversary Limited Edition design.
- Hand-built in the USA with through-hole components.
- Features Gain and Level controls with original potentiometer values and tapers.
- Includes a 3-position toggle switch for distinct distortion modes:
- సిలికాన్: Faithfully replicates the traditional original sound.
- Ge/ASYM: Provides an asymmetrical even-harmonic distortion using a vintage Germanium diode.
- లిఫ్ట్: Eliminates diode clipping for clean boost or dirty boost at higher gain settings.
- Striking metal flake gray finish with bright yellow silkscreen.
- Adorned with an etched aluminum commemorative 50th Anniversary badge.
- Socketed LM741 op-amp.
- True Bypass with neon yellow-green LED indicator.
- Modern 9V DC power supply input.
- Lighter aluminum chassis.
- Includes a limited-edition 50th Anniversary custom laser-etched aluminum pedal topper with hex wrench.
- Comes with 4 unique stickers and 4 unique guitar picks.
3. నియంత్రణలు మరియు కనెక్షన్లు
చిత్రం 3.1: ముందు ప్యానెల్ ఓవర్view
This image displays the main controls of the pedal: the Gain knob (left), Level knob (right), the three-position mode toggle switch (Silicon, Ge/Asym, Lift), the footswitch, and the neon yellow-green LED indicator.
చిత్రం 3.2: సైడ్ ప్యానెల్ కనెక్షన్లు
This image highlights the 1/4" instrument input jack on the right side of the pedal and the 1/4" instrument output jack on the left side.
నాబ్ పొందండి:
Controls the amount of overdrive or distortion applied to your signal. Turning it clockwise increases the gain, leading to more saturated tones.
స్థాయి నాబ్:
Adjusts the overall output volume of the pedal. Use this to balance the pedal's volume with your ampలైఫైయర్ యొక్క క్లీన్ సిగ్నల్ లేదా వాల్యూమ్ బూస్ట్ అందించడానికి.
Mode Toggle Switch:
A three-position switch that selects the clipping mode of the pedal:
- SILICON (Up Position): The classic DOD 250 sound, offering a smooth, symmetrical clipping characteristic.
- Ge/ASYM (Middle Position): Utilizes a vintage Germanium diode for an asymmetrical clipping, producing a different harmonic texture and a warmer, more compressed feel.
- LIFT (Down Position): Bypasses the clipping diodes entirely. In this mode, the pedal acts as a clean boost at lower gain settings, or a "dirty boost" as the LM741 op-amp clips at higher gain settings, adding a unique character without traditional diode clipping.
ఫుట్ స్విచ్:
Engages or bypasses the effect. When the LED is lit, the effect is active. When the LED is off, the pedal is in true bypass mode, allowing your instrument's signal to pass through unaffected.
LED సూచిక:
A neon yellow-green LED that illuminates when the pedal is active and the effect is engaged.
Input Jack (1/4" Instrument):
Connect your instrument (guitar, bass, etc.) to this jack using a standard 1/4" instrument cable.
Output Jack (1/4" Instrument):
ఈ జాక్ని మీకు కనెక్ట్ చేయండి amplifier's input or to the next pedal in your signal chain using a standard 1/4" instrument cable.
Power Input (2.1mm DC Barrel Jack, Tip Negative):
Connect a 9V DC power supply (not included) to this jack. Ensure the power supply is tip-negative. The pedal can also be powered by a 9V alkaline battery (not included).
మూర్తి 3.3: పవర్ ఇన్పుట్
This image shows the 2.1mm DC barrel jack for connecting a 9V tip-negative power supply.
4. సెటప్
- విద్యుత్ సరఫరా కనెక్షన్:
- For external power, connect a 9V DC (tip-negative) power supply to the Power Input jack on the rear of the pedal.
- Alternatively, to install a 9V battery, carefully remove the bottom plate of the pedal. Connect a 9V alkaline battery to the battery clip inside and replace the bottom plate.
- పరికర కనెక్షన్:
మీ గిటార్ లేదా ఇతర వాయిద్యాన్ని దీనికి కనెక్ట్ చేయండి ఇన్పుట్ jack on the right side of the pedal using a standard 1/4" instrument cable.
- Ampలైఫైయర్ కనెక్షన్:
కనెక్ట్ చేయండి అవుట్పుట్ పెడల్ యొక్క ఎడమ వైపున ఉన్న జాక్ మీ వైపుకు amplifier's input or to the input of the next pedal in your effects chain using a standard 1/4" instrument cable.
- ప్రారంభ సెట్టింగ్లు:
Before powering on, set the Gain and Level knobs to their minimum positions (fully counter-clockwise). Set the Mode toggle switch to the 'SILICON' position for a familiar starting point.
5. పెడల్ను ఆపరేట్ చేయడం
- ప్రభావం నిమగ్నం చేయడం:
Press the footswitch to engage the overdrive effect. The neon yellow-green LED will illuminate, indicating the effect is active. Press the footswitch again to bypass the effect; the LED will turn off.
- సర్దుబాటు లాభం:
నెమ్మదిగా తిప్పండి లాభం knob clockwise to increase the amount of overdrive. Experiment with different gain levels to achieve sounds ranging from subtle grit to heavy distortion.
- Setting Output Level:
సర్దుబాటు చేయండి స్థాయి knob to control the overall output volume. It is recommended to set the Level so that the engaged effect volume is roughly equal to or slightly above your bypassed signal volume, depending on your desired application (e.g., a boost for solos).
- Exploring Clipping Modes:
ప్రయోగం చేయండి మోడ్ టోగుల్ స్విచ్ to discover the different tonal characteristics:
- SILICON: Ideal for classic overdrive tones, offering a smooth and balanced distortion.
- Ge/ASYM: Provides a unique, warmer, and more compressed overdrive with a distinct harmonic content due to the Germanium diode. Great for blues and classic rock tones.
- లిఫ్ట్: This mode offers a clean boost at lower gain settings, perfect for pushing an already overdriven amplifier. At higher gain settings, the op-amp itself will clip, providing a raw, uncompressed "dirty boost" sound.
- Combining with Other Pedals:
The DOD-250-50TH can be placed at various points in your signal chain. Placing it before other distortion/overdrive pedals can stack gain, while placing it after can act as a volume boost or tone shaper for existing distorted signals.
6. నిర్వహణ
- శుభ్రపరచడం: Use a soft, dry cloth to clean the pedal's exterior. Avoid abrasive cleaners or solvents, as they may damage the finish or silkscreen.
- బ్యాటరీ భర్తీ: If using battery power, replace the 9V battery when the LED indicator dims or the sound quality degrades. Always disconnect input/output cables when not in use to conserve battery life.
- నిల్వ: Store the pedal in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, remove the battery to prevent leakage.
- కేబుల్ కనెక్షన్లు: Periodically check all cable connections for wear and tear. Ensure cables are securely plugged in to prevent signal loss or intermittent operation.
7. ట్రబుల్షూటింగ్
| సమస్య | సాధ్యమైన కారణం | పరిష్కారం |
|---|---|---|
| పెడల్ నొక్కినప్పుడు శబ్దం రాదు. |
|
|
| LED వెలిగించదు. |
|
|
| Weak or distorted sound (unintended). |
|
|
8. స్పెసిఫికేషన్లు
| పరామితి | విలువ |
|---|---|
| ఇన్పుట్ | ¼” Instrument |
| ఇన్పుట్ Z | >300kΩ typical |
| అవుట్పుట్ | ¼” Instrument |
| అవుట్పుట్ Z. | 9.1kΩ – 27.5kΩ (based on Level control position) |
| పవర్ ఇన్పుట్ | 2.1mm DC Barrel Jack, tip negative |
| చట్రం | అల్యూమినియం |
| విద్యుత్ సరఫరా | 9V Alkaline Battery, PS0913DC Power Supply, Other well-regulated 9V tip-negative supply |
| వినియోగం | 7 mA విలక్షణమైనది |
| వస్తువు బరువు | 14.1 ఔన్సులు |
| ఉత్పత్తి కొలతలు | 8.2 x 6.4 x 4.9 అంగుళాలు |
| రంగు | Metal flake gray and bright yellow |
9. వారంటీ మరియు మద్దతు
For warranty information and technical support, please refer to the official DigiTech webసైట్ లేదా వారి కస్టమర్ సర్వీస్ను నేరుగా సంప్రదించండి. ఏవైనా వారంటీ క్లెయిమ్ల కోసం మీ కొనుగోలు రుజువును ఉంచండి.
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