thomann Harley Benton HBW-35

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

The Harley Benton HBW-35 is a bass combo amplifier designed for the amplification and playback of signals from musical instruments with electromagnetic pickups. This user manual provides important instructions for safe operation, installation, and maintenance of the device.

Function Description:

The HBW-35 serves as a bass combo amplifier, integrating both the amplifier and speaker into a single unit. It is intended for indoor use and is capable of producing 35 W (RMS) of output power through a single 10-inch woofer. The amplifier features controls for input gain and master volume, allowing users to adjust the overall loudness and the input signal level. A 3-band equalizer (HIGH, MID, LOW) provides tone shaping capabilities, allowing users to attenuate or increase frequencies by ±12 dB. Additionally, the HBW-35 includes "Boost" and "Bright" switches for enhancing low and high frequencies, respectively. For connectivity, it offers a 1/4-inch (6.35-mm) jack socket for instrument input, an AUX IN (Cinch) for connecting external audio devices like CD players, a 1/4-inch (6.35-mm) LINE OUT for connecting to recording devices or mixing consoles, and a 1/4-inch (6.35-mm) headphone jack socket. When headphones are connected, the internal speakers are automatically disconnected. The device also incorporates an automatic standby feature, which can be enabled or disabled via a push-button. If no signal is detected at the input jack for 15 minutes, the amplifier will enter standby mode to save power. It will automatically switch back to normal operation upon receiving an instrument signal.

Important Technical Specifications:

Output power: 35 W (RMS)
System: Bass combo
Configuration: 1 x 10" woofer
Connections:
- INPUT (1/4-inch input jack)
- AUX IN (Cinch)
- LINE OUT (1/4-inch input jack)
- PHONE (1/4-inch input jack)
Input impedance: 1 MΩ
Power consumption: 86 W
Operating supply voltage: 230 V~, 50 Hz
Fuse: 5 mm × 20 mm, 1 A, 250 V, slow blow
Dimensions (W × D × H): 416 mm × 450 mm × 320 mm (15.35 in. × 5.31 in. × 15.55 in.)
Weight: 14.3 kg

Usage Features:

The HBW-35 is designed for ease of use with a straightforward front panel layout. The [INPUT] jack allows for direct connection of a bass guitar. The [GAIN] control adjusts the input signal level, while the [MASTER] control manages the overall output volume. The [BRIGHT] switch boosts high frequencies, and the [BOOST] switch enhances low frequencies, offering quick tonal adjustments. The 3-band equalizer ([HIGH], [MID], [LOW]) provides more detailed control over the frequency response. The [AUX IN] allows for practice with backing tracks from external audio devices, with volume controlled by the connected device. The [LINE OUT] facilitates connection to recording equipment or sound systems for larger venues. The [PHONE] jack enables silent practice, as it disconnects the internal speakers when headphones are plugged in. Users should turn down the [MASTER] control before plugging in or unplugging headphones to avoid annoying noises. The [STANDBY] push-button activates or deactivates the power-saving mode, indicated by [ACTIVE] and [STANDBY] LEDs. The [POWER] switch turns the device on and off. The wedge cabinet design allows for monitor use, positioning the amplifier at an angle for better sound projection towards the player.

Maintenance Features:

Regular cleaning of the device components accessible from the outside is recommended. The frequency of cleaning depends on the operating environment; damp, smoky, or particularly dirty environments may require more frequent cleaning.

Device components: Should be cleaned with a dry, soft cloth. Stubborn dirt can be removed with a slightly dampened cloth. Solvents or alcohol should never be used for cleaning.
Fan grids: Must be cleaned regularly to remove dust and dirt. Before cleaning, the device should be switched off, and all AC-powered devices disconnected from the mains. A lint-free damp cloth should be used for cleaning, and solvents or alcohol must be avoided.

The manual also emphasizes the importance of proper disposal of packaging materials and the device itself in accordance with environmental regulations, particularly the European Waste Electrical and Electronic Equipment Directive (WEEE).