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Advantage S-150 - User Manual

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POWER-AMPLIFIER S-150
ADVANTAGE
ADVANTAGE
STANDBY

Table of Contents

Questions and Answers

  • G
    gsmithAug 11, 2025
    What to do if my Advantage S-150 has no sound?
    • N
      Nathan LozanoAug 11, 2025
      If your Advantage Power amplifier has no sound, there might be several reasons. First, ensure the mains switch is turned on and the power cord is correctly attached. If the S-150 is in Standby mode, push the Standby button. If the S-150 is in Protection mode or a fuse is blown, contact your dealer.
  • P
    patrickallenAug 22, 2025
    Why does my Advantage S-150 Power amplifier have one channel inoperative?
    • N
      natalieknightAug 22, 2025
      If one channel of your Advantage Power amplifier is inoperative, the loudspeakers might not be correctly connected or could be damaged. Check the loudspeakers and their connections. Also, the hookup cables could be defective, not correctly attached, or damaged, so inspect them as well.
  • J
    Jesse MontesAug 31, 2025
    How to fix diffuse, weak bass or weak stereo image on Advantage S-150 Power amplifier?
    • B
      Brian WellsAug 31, 2025
      If you are experiencing diffuse, weak bass or a weak stereo image with your Advantage Power amplifier, the loudspeakers might be connected off phase. Check the loudspeakers and their connections.

Overview

  1. Function Description
  2. Important Technical Specifications
  3. Usage Features
  4. Maintenance Features
  5. Safety Information

The ADVANTAGE S-150 is a state-of-the-art power amplifier designed for high-quality music reproduction. Manufactured in Sweden, it incorporates advanced design principles and craftsmanship to deliver a natural and enjoyable listening experience.

Function Description:

The S-150 is a power amplifier intended to amplify audio signals from a preamplifier or volume-controlled source and drive loudspeakers. It supports both balanced and unbalanced signal inputs, offering flexibility in system integration. The unit is designed with extremely short signal paths to preserve audio fidelity. A "Data Com" port allows for communication with other ADVANTAGE products, such as the S-2 preamplifier, enabling features like temperature information display and remote standby control.

Important Technical Specifications:

  • Power Supply: 230V, 50-60 Hz (voltage specification for the AC inlet).
  • Input Types: Balanced (XLR) and Unbalanced (RCA).
  • Output Connectors: Two pairs of speaker terminals per channel (marked + and -) for bi-wiring capability.
  • Signal Transmission: Employs balanced signal transmission, which uses two signal lines with opposite phases. This method effectively cancels out noise interference that may arise during transmission, ensuring a pure original signal.
  • Fuse: Replace fuse only with the same type and value as originally provided. Substitution with a larger fuse will void the warranty.

Usage Features:

  • "Burn-In" Period: Due to its design, the S-150 requires a significant "burn-in" period (recommended 5-6 weeks) to reach its maximum sonic potential. It is advised to leave the unit on or in standby mode at all times during this period.
  • Standby Mode: For best results, the S-150 should be left on or in standby mode at all times. The master ON/OFF switch should only be used if the unit will not be used for a significant period (e.g., during vacations).
  • Input Selection: A switch on the rear panel allows selection between balanced and unbalanced inputs.
  • Output Configuration: The two pairs of output terminals per channel are designed for "bi-wiring" speakers, allowing separate connections for high and low frequencies if the speakers support it.
  • Front Panel LED/Indicator:
    • Flashes during startup until all circuits reach full power.
    • Displays a steady light when the S-150 is in operation and there are no input signal problems (e.g., high DC-offset).
    • Flashes during operation if the S-150 is overheating. In this case, the user should turn the master switch off for a while and then turn it back on.
  • Rear Panel Master ON/OFF Switch: Used to turn the main power ON or OFF.
  • Placement: The S-150 should be placed on a flat, stable surface. Avoid placing it near heat sources (radiators, stoves, fireplaces) or in direct sunlight or extremely low temperatures.

Maintenance Features:

  • Cleaning: Use only a soft tissue (Kleenex type) to clean the unit. Never apply abrasive or liquid cleaners directly to the S-150, as this may damage internal electronic components.
  • Troubleshooting: The manual provides a troubleshooting guide for common issues:
    • No sound: Check power cord, mains switch, standby mode, protection mode, or a blown fuse.
    • One channel inoperative: Check loudspeaker connections, hookup cables, and preamplifier/source.
    • Diffuse, weak bass/weak stereo image: Check loudspeaker connections for correct phasing.
  • Fuse Replacement: In case of a fuse failure, locate the fuse access hatch under the AC mains plug and replace it with an identical type and value. Using a different fuse type or value will void the warranty.
  • Servicing: To avoid electrical shock, do not open the unit's case as there are no user-serviceable parts inside. Refer all servicing to qualified personnel only.
  • Warranty: Contact an authorized ADVANTAGE dealer for warranty details.
  • Obtaining Service: If service is required, contact your dealer. A Return Authorization must be obtained from the Technical Services Department before shipping the unit. Provide a specific and comprehensive description of the problem. Include a copy of the original bill of sale to verify warranty status.
  • Packaging for Service: All returned units must be properly packaged, preferably in their original packing material, with the return authorization numbers marked on the outer carton. Inadequate packaging may result in shipping damage, for which ADVANTAGE or the dealer will not be responsible. New shipping materials can be ordered from the dealer for a charge. It is strongly recommended to save all original packing materials.

Safety Information:

  • A lightning bolt symbol indicates the presence of uninsulated, dangerous voltage within the unit that could pose a risk of electric shock.
  • An exclamation mark symbol indicates important operating and maintenance instructions in the manual.
  • To prevent fire or shock hazard, do not expose the unit to rain or moisture.
  • The CE symbol indicates compliance with EMC (Electromagnetic Compatibility) and LVD (Low Voltage Directive) standards of the European Community.
  • The information in the manual is subject to change without notice. The most current version is available on the manufacturer's website: http://www.bladelius.com.

Advantage S-150 Specifications

General IconGeneral
BrandAdvantage
ModelS-150
CategoryPower amplifier
LanguageEnglish