The Harbeth Nelson is a subwoofer and stand solution designed to enhance the audio experience, particularly when paired with Harbeth's P3ESRs or other host speakers. It is engineered to integrate seamlessly into a home audio system, providing extended bass frequencies and a stable platform for the main speakers.
Function Description:
The Nelson serves a dual purpose: it acts as a dedicated subwoofer to augment the low-frequency response of a sound system and functions as a stand to elevate the host speaker to an optimal listening height. This integrated solution aims to deliver a more immersive and balanced soundstage. The subwoofer is designed to work in conjunction with existing main speakers, extending their bass capabilities without overpowering them. Its primary goal is to provide a "Subwoofer + stand solution," implying a holistic approach to speaker placement and low-frequency enhancement.
Important Technical Specifications:
- Power Input: DC 24V 2A. This indicates the voltage and current requirements for the Nelson's power supply.
- Power Consumption:
- Active (no signal): 1720mW. This is the power consumed when the unit is on but not actively reproducing sound.
- Standby Mode: 60mW. After five minutes of silence, the Nelson enters a low-power standby mode to conserve energy.
- Connectivity: The Nelson features a connector plate with a sub-level control and a power input. It connects to the host speaker via speaker terminals (as shown in the manual's diagrams), and to the amplifier.
- Dimensions/Placement: The manual illustrates a typical setup with a listening distance of 1.5m - 3m from the speakers. The Nelson's height, including the host speaker, is approximately 0.97 meters, though this may vary with different host speakers.
- Eco Specifications: The Nelson meets the latest Eco specifications for low-energy standby mode, reflecting a commitment to energy efficiency.
Usage Features:
- Sub Level Control: A key feature is the "sub level control" located on the connector plate. This allows users to adjust the bass output (up and down) to match their personal music taste and system preferences. Each Nelson unit is independent and requires its own separate setup. The manual recommends setting the sub level volume control to the centre detent position before initial playback.
- Standby Mode: The Nelson automatically enters a low-power standby mode after five minutes of silence. To reactivate it, users simply need to play some audio through the system.
- Spikes/Feet: The Nelson is designed for indoor and floor-mounted use. It comes with five M6 threaded holes for spike feet. Users can choose to install these spikes for stability and to couple the stand to the floor. For non-carpeted surfaces, the manual suggests using M6 rubber feet or protective metal discs (pucks) to prevent scratching the floor. It is crucial to level the stands perfectly using the supplied feet and a spirit level on the top plate for optimal performance and stability.
- Placement Recommendations: The manual provides guidance on optimal speaker placement to minimize room interaction and maximize sound quality. It suggests avoiding placing speakers in corners and recommends experimenting with placement to find the best sound. The use of acoustic treatment, such as sound absorption panels, heavy curtains, rugs, and bookshelves, is encouraged to further improve room acoustics and reduce unwanted reflections.
- Power Supply: The Nelson requires a 24V D.C. power supply, which is typically included. Users are advised to only use the power supply provided and to connect it to the main socket on the Nelson.
- Installation: The manual outlines a step-by-step installation process, including connecting the host speaker, amplifier, and power supply. It also details how to attach the silicone pads to the underside of the host speaker or rubber feet to the product's base.
Maintenance Features:
- Cleaning: To maintain the aesthetic and functional integrity of the Nelsons, users are advised to occasionally wipe the wood surfaces with a slightly damp cloth rinsed in a suitable diluted detergent. For the fabric components, a soft, dry paintbrush can be used for light brushing.
- Environmental Considerations: Users should avoid exposing the Nelson to direct sunlight, radiators, draughts, smoke, ozone, and other chemicals, as these can potentially damage the unit.
- Safety Warnings:
- No modifications, including the use of a different power supply, should be made to the product at any time.
- Replacement parts must be purchased exclusively through official Harbeth channels, as parts from other sources may invalidate the warranty and pose safety risks.
- The power supply should not be unplugged from the unit while it is on.
- The product should never be exposed to rain or moisture.
- Users are explicitly warned not to open the product at any time.
- The spikes are sharp, and users should exercise caution when handling them.
- Product Registration: Harbeth encourages users to register their product on the Harbeth website to extend the ex-factory warranty (subject to conditions). In case of needing to contact a dealer, users should have the Serial Numbers (found in the User Manual or on the transport carton) and proof of purchase readily available.
The Harbeth Nelson is presented as a high-quality, long-lasting product designed to provide a trouble-free service life, backed by rigorous quality in design and production.
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