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Summary of Contents for thomann t.amp D4-500
- Page 1 D4-500 Power Amplifier...
- Page 2 Thomann GmbH Hans-Thomann-Straße 1 96138 Burgebrach Germany Telephone: +49 (0) 9546 9223-0 Internet: www.thomann.de 02.04.2024, ID: 218916 (V3)
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Page 3: Table Of Contents
Table of contents Table of contents General information..........................5 1.1 Symbols and signal words....................... 5 Safety instructions............................. 7 Features............................... 10 Installation and starting up........................ 11 Connections and controls........................12 Technical specifications........................16 Plug and connection assignment....................18 Cleaning............................... 21 Protecting the environment......................22 D4-500 Power Amplifier... - Page 4 D4-500 Power Amplifier...
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Page 5: General Information
Our products and documentation are subject to a process of continuous development. They are therefore subject to change. Please refer to the latest version of the documentation, which is ready for download under www.thomann.de. 1.1 Symbols and signal words In this section you will find an overview of the meaning of symbols and signal words that are used in this document. - Page 6 General information Signal word Meaning DANGER! This combination of symbol and signal word indicates an immediate dangerous situation that will result in death or serious injury if it is not avoided. WARNING! This combination of symbol and signal word indicates a pos‐ sible dangerous situation that can result in death or serious injury if it is not avoided.
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Page 7: Safety Instructions
Safety instructions Safety instructions Intended use This device amplifies electric audio frequency signals to operate passive speakers. Use the device only as described in this user manual. Any other use or use under other operating con‐ ditions is considered to be improper and may result in personal injury or property damage. No liability will be assumed for damages resulting from improper use. - Page 8 Safety instructions DANGER! Danger to life due to electric current! A short circuit could lead to a fire hazard and risk of death. Always use proper ready-made insulated triple-core mains cable with a safety plug. Do not modify the mains cable or the plug. In case of isolation damage, disconnect immediately the power supply and arrange repair.
- Page 9 Safety instructions NOTICE! Damage to the device due to high voltages! The device can be damaged if it is operated with the incorrect voltage or if high voltage peaks occur. In the worst case, excess vol‐ tages can also cause a risk of injury and fires. Make sure that the voltage specification on the device matches the local power grid before plugging in the device.
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Page 10: Features
Features Features Output power 4 × 500 W @ 4 W – – 4 × 250 W @ 8 W 4 inputs, 4 outputs Frequency response 20 Hz to 20 kHz 19" rackable (1 RU, installation depth 240 mm) D4-500 Power Amplifier... -
Page 11: Installation And Starting Up
Installation and starting up Installation and starting up NOTICE! Possible staining due to plasticiser in rubber feet! The plasticiser contained in the rubber feet of this product may react with the coating of the floor and cause permanent dark stains after some time. If necessary, use a suitable mat or felt slide to prevent direct contact between the device’s rubber feet and the floor. -
Page 12: Connections And Controls
Connections and controls Connections and controls Front $% $% $% $%& ö -20dB -10dB Clip -20dB -10dB Clip -20dB -10dB Clip -20dB -10dB Clip Fault Fault Thermal Thermal Power D4-500 CH-A CH-B CH-C CH-D CH-A CH-B CH-C CH-D D4-500 Power Amplifier... - Page 13 Connections and controls 1 [ON | OFF] | Main switch for turning the device on and off. 2 [Power] LED | This LED indicates that the device is operational and lights up constantly as soon as the device is switched on. 3 LEDs [–10 dB] and [–20 dB] | These LEDs indicate the intensity of the input signal (–10 dB or –20 dB).
- Page 14 Connections and controls Back INPUT OUTPUT OUTPUT INPUT INPUT OUTPUT OUTPUT INPUT CH-D CH-D CH-C CH-C CH-B CH-B CH-A CH-A PUSH PUSH PUSH PUSH Stereo Lift Lift Stereo Bridge Ground Ground Bridge PIN 1 = GND PIN 1+ = BRIDGE+ (1+ STEREO) = POSITIVE PIN 1 = GND PIN 1 = GND...
- Page 15 Connections and controls 8 Rubber panel plug. 9 [INPUT CH-A …-D] | Signal inputs, designed as lockable combo XLR/6.35-mm jack sockets for signal inputs. 10 [OUTPUT CH-A …-D] | Signal inputs, designed as lockable NL4 panel sockets. 11 [Stereo | Bridge] push-button | Switch for operating modes “Stereo” (all channels operate independently of each other) and “Bridge”...
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Page 16: Technical Specifications
Technical specifications Technical specifications Amplifier class Input impedance 20 kW (balanced) 10 kW (unbalanced) Output power 8 Ω 4 × 250 W (THD = 1%, 1 kHz) 4 Ω 4 × 500 W (THD = 1%, 1 kHz) Frequency response 20 Hz …... - Page 17 Technical specifications DIM 30 < 0.1% (3.15 kHz, 15 kHz) > 75 dB (ref. 1 kHz, 10% rated power) Crosstalk Protective circuits VHF, direct current, temperature, short circuit, undervoltage, overvoltage, limiter Power consumption Typical current draw depending on the output power level (RMS value A ).
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Page 18: Plug And Connection Assignment
Plug and connection assignment Plug and connection assignment Introduction This chapter will help you select the right cables and plugs to connect your valuable equip‐ ment in such a way that a perfect sound experience is ensured. Please note these advices, because especially in ‘Sound & Light’ caution is indicated: Even if a plug fits into the socket, an incorrect connection may result in a destroyed power amp, a short circuit or ‘just’... - Page 19 Plug and connection assignment 1/4" TS phone plug (mono, unbalanced) Signal Ground, shielding 1/4" TRS phone plug (mono, bal‐ anced) Signal (in phase, +) Signal (out of phase, –) Ground 1/4" TRS phone plug (stereo, unbalanced) Signal (left) Signal (right) Ground D4-500 Power Amplifier...
- Page 20 Plug and connection assignment XLR plug (balanced) Ground, shielding Signal (in phase, +) Signal (out of phase, –) Shielding on plug housing (option) Speaker Twist chassis connector 1, + Signal 1 (in phase) 1, – Signal 1 (out of phase) 2, + Signal 2 (in phase) 2, –...
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Page 21: Cleaning
Cleaning Cleaning Fan grids The fan grids of the device must be cleaned of any contamination, such as dust, etc. on a reg‐ ular basis. Before cleaning, switch off the device and disconnect mains-operated devices from the mains. Only use pH-neutral, solvent-free and non-abrasive cleaning agents. Clean the unit with a slightly damp lint-free cloth. -
Page 22: Protecting The Environment
Protecting the environment Protecting the environment Disposal of the packing material Environmentally friendly materials have been chosen for the packaging. These materials can be sent for normal recycling. Ensure that plastic bags, packaging, etc. are disposed of in the proper manner. Do not dispose of these materials with your normal household waste, but make sure that they are collected for recycling. - Page 23 When disposing of the device, comply with the rules and regulations that apply in your country. You can also return your old device to Thomann GmbH at no charge. Check the current conditions on www.thomann.de.
- Page 24 Notes D4-500 Power Amplifier...
- Page 25 Notes D4-500 Power Amplifier...
- Page 26 Notes D4-500 Power Amplifier...
- Page 28 Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany · www.thomann.de...
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