Fbt symbol 12000 User Manual Download Page 1 | Manualshive

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Fbt symbol 12000 User Manual Download Page 1

FBT elettronica S.p.A.

- Via Paolo Soprani 1 - Zona Ind.le Squartabue - 62019 RECANATI (MC) - ITALY

TEL. 071/750591 r.a. - FAX 071/7505920 - http://www.fbt.it - E-mail : [email protected]

ENGLISH

Professional Stereo Amplifiers

Symbol

18000

Symbol

12000

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Summary of Contents for symbol 12000

Page 1: ...nica S p A Via Paolo Soprani 1 Zona Ind le Squartabue 62019 RECANATI MC ITALY TEL 071 750591 r a FAX 071 7505920 http www fbt it E mail info fbt it ENGLISH Professional Stereo Amplifiers Symbol 18000 Symbol 12000 ...

Page 2: ...anteed by the traditional FBT reliability and the rich equipment of technical features place the Symbol 12000 and Symbol 18000 to the top of the range and confirm FBT s target to offer the right audio solution to every need TECHNICALCHARACTERISTICS XLR connectors for signal inputs and outputs electronically balanced inputs power outputs with 4 pole Speakon connectors facility for operation in para...

Page 3: ...elevision sets RF transmitters motors or electrical power sources of any description Do not use solvents such as acetone or alcohol to clean the amplifier or the finish and panel lettering will be damaged Do not connect output channels to input channels of other appliances and do not connect the CH1 OUT CH2 OUT power outputs to any load other than the relative input connector on the loudspeakers D...

Page 4: ...rol knob Channel 1 and Channel 2 Volume control range is from 0 no signal to 10 full volume 2 Active PRT Dual colour LED green indicates that the relative channel can operate correctly red indicates that a protection has tripped and the channel is on standby Protections may trip for the following reasons a overheating in this case the amplifier will resume normal operation after a brief interrupti...

Page 5: ...s when the Symbol power amplifier is functioning in bridge mode refer to Operating Modes chapter 7 Ground lift This LED illuminates to indicate that the amplifier input ground is isolated from the ground of connected equipment see description 13 8 Power switch In an audio system it is good practice to switch on power amplfiers last and switch them off first to avoid possible signal peaks 9 Ch1 Ch2...

Page 6: ...000 12 Stereo Parallel Bridge Three position mode selector STEREO PARALLEL BRIDGE refer to Operating Modes chapter Use this selector only when the amplifier is powered off 13 GND LIFT Switch for electrical isolation of the ground circuit from the earth circuit this function can be used to eliminate hum caused by ground loops 14 Mains cable Cable with plug for connection to the electrical mains sup...

Page 7: ... amplifier ensure that the rear panel air expulsion grilles are unobstructed If possible do not install the amplifier in places subject to direct sunlight high temperatures high levels of dust or humidity Before connecting any other equipment ensure that the amplifier is powered off and that the power supply data corresponds to the specifications on the rear panel of the SYMBOLpower amplifier Make...

Page 8: ... 1 Ch 1 Ch 2 Ch 2 Symbol 18000 12 A M P CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL 7 OPERATING MODES When the input signal is stereo use STEREO mode selectable on the rear panel The left hand and right hand channel signals must be connected to the amplifi...

Page 9: ...AM 1 2 2 1 3 3 Wirings side Connections side 1 Massa Schermo Ground 2 Fase Caldo Hot 3 Fase Freddo Cold XLR 1 Positive 1 Negative 1 2 2 1 SPEAKON Always use top quality cables and connectors when connecting the amplifier output to the loudspeakers and the inputs to a mixer Check cables and connectors before powering on the amplifier if cables and connectors are damaged they must be replaced or pro...

Page 10: ...460 40V µS 110dB A weighted DC Thermal SOA Soft Start 2 variable speed fans 2 variable speed fans DC Thermal SOA Soft Start 110dB A weighted 40V µS 2x550W rms 8 ohm 2x900W rms 4 ohm 2x1300W rms 2 ohm 2000W rms 8 ohm 3000W rms 4 ohm 4000W rms 2 ohm 2x600W rms 8 ohm 2x1000W rms 4 ohm 2x1500W rms 2 ohm 2x2000W rms 1 ohm 1800W rms 8 ohm 2600W rms 4 ohm 1 7 Veff 15k ohm 0 02 0 05 20Hz 20kHz 60A eff 270...

Page 11: ...ers that makes it possible to double the output power delivered to a single loudspeaker line In this mode the bridge connects the two power amplifiers to the same input signal but with a 180 degree reversal in phase The loudspeaker is connected across the two positive binding posts on the amplifier output Some amplifiers are able to assume this configuration by means of a switch and dedicated mono...

Page 12: ... problem Check the quality of the signal directly at the audio source The signal being fed into the amplifier must be lowered The volume controls enable the input signal to be set at an ideal level indicated by the green colour of the CLIP led YES YES YES NO NO NO No sounds come from the loudspeakers and PROTECT led is red Is the amplifier very hot Switching the amplifier off and on again after a ...

Page 13: ...CODE 12195 ...

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