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Explanation of the notational conventions used in the manual, including letterings and symbols.
Overview of signal words (DANGER, CAUTION, NOTICE) and warning signs with their meanings.
Specifies the intended use of the device for musical instrument amplification and defines improper usage.
Guidance on selecting the right cables and plugs for optimal sound experience and avoiding incorrect connections.
Explanation of unbalanced and balanced transmission, their usage, and susceptibility to interference.
Instructions for environmentally friendly disposal of packaging materials, emphasizing recycling.
Guidance on disposing of the old device according to WEEE directive and local regulations.
The Harley Benton HB-20R Guitar Combo is a versatile amplifier designed for guitarists seeking a compact yet powerful solution for practice, recording, and small-venue performances. This user-friendly device offers a range of features to shape your sound, from clean tones to gritty overdrive, and includes essential connectivity options for modern musicians.
The HB-20R serves as a dedicated amplifier for electric guitars, designed to take the signal from your instrument, amplify it, and reproduce it through its integrated speaker. It features two distinct channels: a clean channel for pristine, uncolored tones and an overdrive channel for distorted, rock-oriented sounds. Switching between these channels allows for dynamic shifts in your playing style, from gentle melodies to aggressive riffs.
Beyond basic amplification, the HB-20R incorporates a built-in reverb effect, adding depth and spaciousness to your sound. This effect can be adjusted to suit various musical contexts, from subtle ambience to lush, echoing textures. A comprehensive 3-band equalizer (Treble, Middle, Bass) provides precise control over your tone, enabling you to sculpt the frequency response to match your guitar, playing style, and the acoustic environment.
The amplifier is equipped with an 8-inch speaker, carefully selected to deliver a balanced and articulate sound across the frequency spectrum. Its output power is suitable for personal practice, jam sessions, and even small gigs where a moderate volume is required.
For silent practice, the HB-20R includes a dedicated headphone output. When headphones are connected, the internal speaker is automatically muted, allowing you to practice without disturbing others. This feature is invaluable for late-night sessions or when you need to focus on your playing without external distractions.
An auxiliary input is also provided, enabling you to connect external audio sources such as MP3 players or CD players. This allows you to play along with your favorite tracks, backing tracks, or instructional material, making the HB-20R a comprehensive practice tool.
Furthermore, the amplifier features a line output, which can be used to connect the HB-20R to an additional amplifier for increased volume or to a recording device for capturing your performances. This expands the amplifier's utility beyond a standalone practice amp, making it suitable for home recording setups.
A notable feature of the HB-20R is its standby function. If no signal is detected at the instrument input for a period of 30 minutes, the device automatically enters standby mode, indicated by a green LED. As soon as a signal is received again, the amplifier automatically switches back to normal operating mode, indicated by a red LED. This intelligent power management helps conserve energy and extends the lifespan of the device.
Operating the HB-20R is straightforward, with clearly labeled controls on the front panel. The [INPUT] jack is where you connect your guitar. The [CHANNEL SELECT] switch allows you to toggle between the clean and overdrive channels, providing instant access to different tonal characteristics.
On the overdrive channel, the [GAIN] control adjusts the amount of preamp distortion, allowing you to dial in anything from a subtle crunch to heavy saturation. The [VOLUME] control for the overdrive channel then sets the overall output level for this specific channel. Similarly, a separate [VOLUME] control is provided for the clean channel, ensuring independent level adjustment for both.
The 3-band equalizer consists of [TREBLE], [MIDDLE], and [BASS] controls. These allow you to fine-tune the high, mid, and low frequencies of your sound, respectively. Turning these knobs clockwise generally increases the presence of that frequency range, while turning them counter-clockwise reduces it.
The [REVERB] control adjusts the intensity of the built-in reverb effect. You can use this to add a subtle sense of space or a more pronounced, echoing quality to your sound.
The [AUX INPUT] is a 3.5 mm mini phone socket, perfect for connecting your smartphone, tablet, or other audio playback devices. The [HEADPHONES] output, also a 3.5 mm mini phone socket, is for private listening. The [LINE OUT] is another 3.5 mm mini phone socket, providing a convenient way to send your amplified signal to other equipment.
The main [POWER] switch turns the device on and off. The LED indicator next to it provides visual feedback on the amplifier's status, showing red for normal operation and green for standby mode.
The HB-20R is designed for reliable performance with minimal maintenance. However, adhering to general care guidelines will ensure its longevity.
It is crucial to operate the device indoors and protect it from liquids, moisture, direct sunlight, heavy dirt, and strong vibrations. These environmental factors can significantly impact the amplifier's performance and lifespan. Avoid exposing the device to heavy temperature fluctuations; if it has been exposed to cold temperatures, allow it to acclimatize to room temperature before switching it on to prevent condensation damage.
Regularly ensure that the ventilation areas are not blocked to prevent overheating. The amplifier should not be installed near direct heat sources or naked flames.
For cleaning, a dry, soft cloth is generally sufficient. Avoid using abrasive cleaners or solvents that could damage the finish or internal components.
When connecting or disconnecting cables, always ensure the device is switched off to prevent potential damage to the amplifier or connected equipment. Use high-quality cables for all connections to maintain optimal signal integrity and prevent issues like hum or noise.
The rubber feet on the bottom of the amplifier are designed to provide stability and prevent vibration. However, be aware that the plasticizer in these feet may react with certain surface coatings over time, potentially causing permanent dark stains. If you are concerned about this, it is advisable to place a suitable underlay, such as felt pads, between the amplifier and your surface.
In the event of any malfunction or if covers, protectors, or optical components are missing or damaged, do not attempt to service the device yourself. There are no user-serviceable parts inside, and high voltages may be present. Always refer to qualified service personnel for repairs or inspections.
Proper disposal of packaging materials and the device itself is also a consideration for environmental protection. Packaging materials should be recycled according to local regulations. The device, when it reaches the end of its operational life, should be disposed of through an approved waste disposal firm or local waste facility, in compliance with the European Waste Electrical and Electronic Equipment Directive (WEEE).
General| Technology | Solid State |
|---|---|
| Power | 20W |
| Effects | Reverb |
| Weight | 5.5 kg |
| Type | Guitar Amplifier |
| Channels | 2 |
| Speaker | 8" |
| Controls | Gain, Volume, Bass, Treble |
| Inputs | 1x 1/4" Jack |
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