Summary of the content on the page No. 1
User Manual
REFERENCE AMPLIFIER A500
Professional 600-Watt Reference-Class Studio Power Amplifier
Summary of the content on the page No. 2
2 REFERENCE AMPLIFIER A500 User Manual Table of Contents Thank you ....................................................................... 2 Important Safety Instructions ...................................... 3 Legal Disclaimer ............................................................. 3 Limited Warranty ........................................................... 3 1. Introduction ............................................................... 5 1.1 Before you get started .................
Summary of the content on the page No. 3
3 REFERENCE AMPLIFIER A500 User Manual 9. Do not defeat the safety purpose of the polarized UNDERTAKING OR REPRESENTATION. THIS MANUAL Important Safety or grounding-type plug. A polarized plug has two blades IS COPYRIGHTED. NO PART OF THIS MANUAL MAY Instructions with one wider than the other. A grounding-type plug BE REPRODUCED OR TRANSMITTED IN ANY FORM has two blades and a third grounding prong. The wide OR BY ANY MEANS, ELECTRONIC OR MECHANICAL, blade or the third prong are provided for
Summary of the content on the page No. 4
4 REFERENCE AMPLIFIER A500 User Manual “Support” at behringer. com. If your country is not • connection or operation of the unit in any way (3) This warranty does not detract from the seller’s listed, please check if your problem can be dealt with that does not comply with the technical or safety obligations in regard to any lack of conformity of the by our “Online Support” which may also be found under regulations applicable in the country where the product and any hidden defect. “Support” a
Summary of the content on the page No. 5
5 REFERENCE AMPLIFIER A500 User Manual 1. Introduction Power is delivered via the cable enclosed with the unit. All required safety precautions have been adhered to. The A500 features special circuitry that protects your speakers from transients during start-up and your amp from overheating. The amp is not put at any risk ◊ Please keep in mind that all your equipment has to be grounded even if there is a short on its outputs. at all times. For your own protection, never change or disable the
Summary of the content on the page No. 6
6 REFERENCE AMPLIFIER A500 User Manual 2. Control Elements 2.1 The front (2) (3) (4) (5) (1) Fig. 2.1: Control elements in the front (1) The POWER switch is used to power up the A500. The POWER switch should (3) The PROT LED lights up whenever the protective circuitry mutes the speaker always be in its “Off” position when you connect the unit to the mains. output. Please turn your A500 off immediately whenever this LED is lit. POWER LED lights up as soon as you power up the A500. ◊ The protec
Summary of the content on the page No. 7
7 REFERENCE AMPLIFIER A500 User Manual (6) CHANNEL INPUT 1 (MONO). Connect the signal source whose output needs 3. Application Examples to be amplified. 3.1 Stereo mode ◊ Please use only one of the three input connectors per channel at any one time! In this mode, both channels run independently with a separate input signal. Connect passive loudspeakers, preferably high-quality studio monitors, such Here you will connect an output of your mixing console, your HiFi preamp or as the BEHRINGER
Summary of the content on the page No. 8
8 REFERENCE AMPLIFIER A500 User Manual 3.2 Mono-bridged mode 4. Installation In this mode, the voltages of both channels are added up and routed to just 4.1 Installation in a rack one loudspeaker. This results in a doubling of voltage, quadrupling of the peak power value and roughly trippling of the continuous power output on a single Your A500 can be installed into a 19" rack and requires channel. The input and the gain control on channel 1 are used in mono-bridged two rack spaces. Pleas
Summary of the content on the page No. 9
9 REFERENCE AMPLIFIER A500 User Manual 4.3 Audio connections Balanced ¼" TRS connector Various cables are needed for different types of applications. The following strain relief clamp illustrations show the correct wiring. Always use high-grade cables. sleeve ring tip Balanced use with XLR connectors 2 1 3 sleeve ground/shield input 1 = ground/shield ring 2 = hot (+ve) cold (-ve) 3 = cold (-ve) tip hot (+ve) 1 2 For connection of balanced and unbalanced plugs, ring and sleeve have to be bridge
Summary of the content on the page No. 10
10 REFERENCE AMPLIFIER A500 User Manual 5. Specifications Output Power Connectors Inputs Balanced XLR, ¼" TRS , RCA RMS Power Outputs ¼'' TS connectors and Stereo Mode (both channels driven) ”touch-proof” binding posts 8 Ω / 1 kHz @ 1 % THD 125 W Circuit protection 4 Ω / 1 kHz @ 1 % THD 185 W Cooling Convection-type Bridged Mono Amplifier protection Short circuit and overload 8 Ω / 1 kHz @ 1 % THD 375 W Output circuit type Class AB Peak Power Power supply / Voltage (Fuses) Stereo Mode
Summary of the content on the page No. 11
We Hear You
