Related Manuals for B-52 US-1200
Summary of Contents for B-52 US-1200
- Page 1 US-SERIES THE BEAUTY OF POWER US SERIES AMPLIFIERS PROFESSIONAL POWER AMPLIFIERS US-1200 US-1800 US-3000 US-4000 OWNERS MANUAL B-52 US Series Professional Power Amplifiers - Instruction Manual...
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Page 2: Table Of Contents
Front Panel Controls ........8-9 Rear Panel Controls ........10-13 Protection ............. 13-15 Setup ............15-16 Connections ..........17-18 Wiring ............19 Specifications ..........20 Warranty ............21 Notes ............22-23 Contact Information ........24 B-52 US Series Professional Power Amplifiers - Instruction Manual... -
Page 3: Introduction
Never place the amplifier near a radiator, in front of heat- ing vents, direct sun light, excessive humid, dusty locations or near water. Connect your amplifier using the system components described in this manual. B-52 US Series Professional Power Amplifiers - Instruction Manual... -
Page 4: Warnings And Safety Instructions
17) Keep the unit out of extended or intense direct sun pinched, particularly at the plug and the point where it light. No containers filled with any type of liquid exits the amplifier. should be placed on or near the amplifier. B-52 US Series Professional Power Amplifiers - Instruction Manual... -
Page 5: Features
To prevent electric shock, do not use a polarized plug with an extension cord, receptacle or other outlet unless the blades getting water inside the amplifier. can be fully inserted to prevent blade exposure. 13. NON-uSE PERIOdS – The power cord of the B-52 US Series Professional Power Amplifiers - Instruction Manual... -
Page 6: Power Ratings At A Glance
Rated Output Power BRIDgED MONO 8 Ohms 650 watts 950 watts 1600 watts 2200 watts 4 Ohms 850 watts 1400 watts 2400 watts 3200 watts Both channels driven @ 1kHz, 1%THD B-52 US Series Professional Power Amplifiers - Instruction Manual... -
Page 7: Us-Series Features
The US-Series features four professional heavy-duty power amplifiers, covering a wide range of output power ratings. The models are US-1200, US-1800, US-3000 and US-4000. US-Series amplifiers are built on a rugged, heavy gauge steel chassis with a sturdy aluminum front panel. -
Page 8: Front Panel Controls
US-Series amplifiers are cooled by two rear-mounted (1.23Vrms) signal applied to the inputs. All detents fans (US-1200 has one fan) and open cell foam filters are marked in dBs showing the attenuation of the output signal with reference to the fully mounted behind the front vents. - Page 9 Channel 1 and the outputs are muted. input. WARNINg: If the PROTECT LEDs illuminate 11. AC POWeR SWITCh constantly and don’t turn OFF, even when Use this switch to turn your amplifier ON or OFF. the speakers are physically disconnected from B-52 US Series Professional Power Amplifiers - Instruction Manual...
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Page 10: Rear Panel Controls
Combo connectors. But using unbalanced connectors able to the speaker’s rated frequency range, leading may increase noise and hum. See more to higher SPLs. B-52 US Series Professional Power Amplifiers - Instruction Manual... - Page 11 2-channel operation. Use the binding posts to connect your loudspeakers to the amplifier. Binding posts are a good option for When set to PARALLEL, the input signal connected to channel 1 is routed to both channels. The PARALLEL fixed installations or when you do not have Speakon- MONO mode is convenient when running a long fitted speaker cables. The high-quality insulated B-52 US Series Professional Power Amplifiers - Instruction Manual...
- Page 12 You can use the Channel 1 output connector for binding posts. BRIDGE connection of your loudspeakers (when the WARNINg: NEVER CONNECT speakers with amplifier is in BRIDGE mode). In this configuration the an impedance lower than the rated minimum loudspeakers connected must use the 2+ pin of the impedance of the amplifier. The lowest connector for the loudspeaker’s ground connection impedance in STEREO and PARALLEL modes is (NOT CONNECTED TO THE GROUND OF AMPLI- 2 Ohms for each channel. The lowest impedance FIER) and pin 1+ for the speaker’s HOT connection. B-52 US Series Professional Power Amplifiers - Instruction Manual...
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Page 13: Protection
The speaker (for example, do not connect too many speakers output will mute and the PROTECT LED will illuminate. in parallel to the same channel). Thermal protection only engages on the channel NOTe: Make sure there is adequate air access B-52 US Series Professional Power Amplifiers - Instruction Manual... - Page 14 LED on the front panel will illuminate. ShORT CIRCUIT: If the output is shorted because of ClIP lIMITeRS: US-Series amplifiers have built- B-52 US Series Professional Power Amplifiers - Instruction Manual...
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Page 15: Setup
NOTe: You should set the filters to best suit the frequency response of your speakers as some speakers are particularly sensitive to over-excursion. The 50Hz filters on the US-Series amplifiers work well with most full-range speakers. NOTe: For most subwoofers and in studio applications keep the HPF in the OFF position. B-52 US Series Professional Power Amplifiers - Instruction Manual... -
Page 16: Parallel Mode
2 ohms, and will cause constant overheating and distortion of amplifier. It will also cause constant triggering of the AC circuit breaker and could damage your amplifier. NOTe: In the BRIDGE mode a speaker is connected to both of the channels’ outputs and is not connected to the ground of the amplifier on both ends. DO NOT ATTEMPT TO GROUND YOUR SPEAKER! B-52 US Series Professional Power Amplifiers - Instruction Manual... -
Page 17: Connecting Your Speakers
THE BEAUTY OF POWER US SERIES AMPLIFIERS CONNECTINg YOuR SPEAkERS Stereo Mode 5-Way Output Binding Posts Parallel Mode 5-Way Output Binding Posts Bridged Mono 5-Way Output Binding Posts Bridged / Mono B-52 US Series Professional Power Amplifiers - Instruction Manual... - Page 18 SPK- to PIN 1- SPK+ to PIN 2+ SPK+ to PIN 1+ SPK- to PIN 2- SPK- to PIN 1- Bridged Mono SPK+ to PIN 1+ SPK- to PIN 2+ Bridged / Mono B-52 US Series Professional Power Amplifiers - Instruction Manual...
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Page 19: Wiring
SPeAkON OUTPUT CONNeCTOR UNBAlANCed 1/4” CONNeCTOR BAlANCed 1/4” CONNeCTOR NOTe: For connections of unbalanced sources via balanced cables / plugs, the ring and sleeve have to be bridged at the TRS plug. B-52 US Series Professional Power Amplifiers - Instruction Manual... -
Page 20: Specifications
Dimensions (W x H x D) 19” (482mm) x 3.5” (88mm) x 17.2” (438mm) Net Weight 28lb (13kg) 35lb (16kg) 43lb (19kg) 49lb (22.3kg) * Specifications are subject to change without notice. B-52 US Series Professional Power Amplifiers - Instruction Manual... -
Page 21: Warranty
B-52 in writing. Parts supplied under warranty B-52, or Authorized Service Center. Package the product using may be new or rebuilt at the option of B-52. This warranty is in adequate padding material to prevent damage in transit. The lieu of all other expressed warranties. If this product is defec- original packaging is ideal for this purpose. -
Page 22: Notes
US SERIES AMPLIFIERS THE BEAUTY OF POWER NOTES B-52 US Series Professional Power Amplifiers - Instruction Manual... - Page 23 THE BEAUTY OF POWER US SERIES AMPLIFIERS NOTES B-52 US Series Professional Power Amplifiers - Instruction Manual...
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Page 24: Contact Information
Ph: 323-277-4100 Fax: 323-277-4108 Toll Free: 800-344-4384 B-52 Professional is dedicated to product excellence and therefore continuously attempts to improve each and every model we manufacture. This ongoing process includes refinements in design, materials and workmanship which may result in products which differ than those described in our literature. All features, specifications, prices and terms are subject to change without notice.
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