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Details all front panel controls and indicators like Input, Volume, Boost, Drive, EQ, Reverb, Master, Standby, and Pilot Light.
Describes the rear panel connections including the footswitch (FTSW) input and Line Out for external use.
Identifies the preamp tube (12AX7/ECC83) and power tube (6V6), showing amplifier component layout.
Provides steps to resolve no sound problems, including checking connections, tube warm-up, and fuses.
Explains warranty periods, coverage for different product types, and the requirement for product registration.
Lists conditions and damages that are not covered by the warranty, such as misuse, alteration, or shipping damage.
The Supro Delta King 10 is a tube amplifier designed for guitarists seeking classic Supro tone with modern versatility. This user manual provides essential safety information, a detailed overview of the amplifier's anatomy and usage, and important warranty details.
The Delta King 10 is an all-tube amplifier that delivers a range of tones from clean to overdriven, characteristic of Supro's vintage sound. It features a single instrument input and a comprehensive set of controls to shape your sound. The preamp section allows for significant gain, enabling classic tube breakup at higher settings. A foot-switchable Boost function provides an additional gain stage, while the foot-switchable Drive mode offers a distinct overdrive sound. Tone shaping is handled by Treble and Bass controls, allowing users to dial in their desired high and low frequencies. A built-in Reverb control adds spatial depth to the sound. The Master volume control manages the overall output level and contributes to the power section's breakup characteristics. The amplifier also includes a Standby switch to prolong tube life during short breaks and a Power switch for turning the unit on and off. A pilot light indicates when AC mains voltage is flowing to the amplifier. For external control, the Delta King 10 features a Boost/Drive FTSW (footswitch) jack, allowing remote switching of the Boost and Drive functions using a TRS cable. Additionally, a Line Out provides a buffered preamp output, suitable for connecting to another amplifier or a recording console. The amplifier is designed with 100% analog tube circuitry, utilizing a 12AX7/ECC83 preamp tube and a 6V6 power tube, along with an output transformer and a power transformer.
To operate the Delta King 10, first ensure the Power switch is turned on. The pilot light should illuminate, indicating AC power is supplied. Allow approximately one minute for the tubes to warm up before proceeding. During this warm-up period, the Standby switch should be in the "Standby" position. Once the tubes are warm, set the Volume control to a reasonable position before flipping the Standby switch to "ON." This amplifier can be very loud, so caution is advised. For short breaks (5 minutes or less), using the Standby switch instead of turning off the power can help extend tube life.
The Input jack is where you connect your instrument. The Volume knob controls the gain of the preamp section; higher settings will introduce more preamp breakup. The Boost switch, when engaged (or activated via footswitch), adds an extra layer of gain. Similarly, the Drive switch (or footswitch) activates the overdrive mode for a different flavor of distortion. The Treble and Bass knobs allow you to fine-tune the high and low frequencies of your tone. The Reverb knob controls the amount of built-in reverb effect. The Master knob adjusts the overall output volume and influences the power tube breakup.
For remote control of the Boost and Drive functions, connect a two-button, latching footswitch with a TRS cable to the Boost/Drive FTSW jack on the rear panel. The tip of the TRS cable controls the Boost, and the ring controls the Drive. The Line Out jack, also on the rear panel, provides a buffered preamp signal that can be sent to another amplifier for a larger sound or directly to a recording console for capturing your tone.
The Supro Delta King 10 is designed for years of trouble-free service, incorporating unique protection features. However, some maintenance and troubleshooting steps are important for optimal performance and longevity.
Tube Replacement: The amplifier uses a 12AX7/ECC83 for the preamp and a 6V6 for the power section. Tubes are consumable components and will eventually need replacement. If you suspect a tube issue or need to replace tubes, it is recommended to contact Supro directly or a qualified person for assistance.
By following these guidelines, you can ensure the safe and reliable operation of your Supro Delta King 10 amplifier for years to come.
General| Number of Channels | 1 |
|---|---|
| Preamp Tubes | 1 x 12AX7 |
| Power Tubes | 1 x 6V6 |
| Reverb | Yes |
| EQ | Tone Control |
| Inputs | 1 x 1/4" |
| Footswitch I/O | 1 x 1/4" (Boost) |
| Footswitch Included | No |
| Construction Material | Poplar |
| Power Source | Standard IEC AC cable |
| Color | Black |
| Total Power | 10W |
| Power Output | 10 Watts |
| Speaker Size | 10 inches |
| Outputs | 1x 1/4" |
| Controls | Volume, Tone |
| Weight | 23 lbs |
| Type | Tube |
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