Bogen Black Max X300 Скачать руководство пользователя

Страница: 14 / 16

Troubleshooting

• Power Switch OFF
• Breaker (Power Switch) tripped

Turn off, then turn back on

•

Power Sequencing Switch set wrong

- Check Sequential Turn-On section for proper configuration

PROBLEM

CONDITION

CAUSE

Rear Power Status LED
is amber.

SEQUENCING

NOT

FUNCTIONING

CORRECTLY

Master amplifier ON (Rear
Power Status is green),
slave amplifiers in chain not
powering ON (Rear Power
Status is OFF).

• No AC power to amplifier

UNIT APPEARS

DEAD

(NO FRONT

STATUS LED)

Rear Power Status LED is off.

• Amplifier not plugged in
• AC outlet dead

Master amplifier ON (Rear
Power Status is green),
slave amplifiers in chain not
powering ON (Rear Power
Status is amber).

• Power Switch is OFF on slave amp
• Breaker (Power Switch) tripped

Turn off, then turn back on

•

Rear Power Sequencing Switch is not ON

• Error in Sequencing wiring between amplifiers

• Poor/broken speaker wiring
• Defective speakers

• Poor electrical connections at input
• Input cable routed near AC cables, power transformer, or

other EMI radiating devices

• Electrically noisy devices operating on the same AC circuit
• Poor equipment grounding

Ensure that all AC safety grounds are connected

- Make sure that all components in audio chain are tied to the
same ground

NO SOUND

NOISE/HUM

DISTORTED

SOUND

INTERMITTENT

OPERATION

Status LED is green.
Signal LED is off.

• Level Controls turned down
• No signal from source
• CH B Input Select not set or wired properly

Status LED is green.
Signal LED is green.
Limit LED is off.

• Input signal level too high
• Poor speaker connections
• Low Cut Switch set to Flat
• Input Sensitivity Switch not set correctly

Status LED is green.
Signal LED is green.
Limit LED is amber (on or
flashing).

• Speaker transformers saturating at low frequencies, Low Cut

filter off, need additional Hi-Pass filtering

• Below minimum load rating on output
• Exceeding maximum power output rating

Status LED is red/green cycling.

• DC level at signal input
• Load impedance too low
• Amplifier speaker output is short-circuited
• Amplifier too hot (check for proper ventilation clearances)

Status LED is green.
Signal LED is green.

Содержание Black Max X300

Страница 2: ...it into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufac turer 12 Unplug this apparatus during lightning storms or when unused for long periods of time 13 Refer ...

Страница 3: ...nical Components 4 Ventilation 5 Rack Mounting 5 Rear Rack Mounting 5 Table Mounting 5 CONNECTIONS 6 Speakers 6 Inputs 6 AC Power 6 SEQUENTIAL TURN ON 7 Sequential Turn On Operation 7 OPERATION 8 9 Front Controls Indicators 8 Rear Controls Indicators 8 TROUBLESHOOTING 10 SPECIFICATIONS 11 LIMITED WARRANTY EXCLUSION OF CERTAIN DAMAGES 12 ii ...

Страница 4: ...iii ...

Страница 5: ...ltage and thermal circuits A special Clip Limiting circuit continuously monitors the amount of distortion in the output signal and reduces input levels as the amplifier approaches clipping Back Slope AC Voltage Stabilization Bogen s unique voltage stabilization circuitry regulates the AC energy supplied from the power toroid This improves both system performance and reliability despite varying AC ...

Страница 6: ...minate amber when excessive signal levels or very low impedance output loads cause output distortion to exceed a few percent Under such conditions a built in Clip Limiting circuit activates and reduces input signal levels to protect both amplifier and speaker loads One for each channel 4 Power Switch Circuit Breaker Magnetic circuit breaker controls AC power to the amplifier 5 Fan Air Intake and G...

Страница 7: ...s maxi mum current requirements exceed the capacity of a typical 15A receptacle The 20A receptacle is a NEMA 5 20R style 8 AC Power Status Indicator Indicates the AC power status of the Black Max amplifier When the indicator is not lit no AC power is applied to the line cord When lit amber power is applied to the line cord but no sequential trigger has been received to place the amplifier into a f...

Страница 8: ... sinks Periodic clean ing should be done when there is a noticeable build up of dust on the filters To clean the filters remove them from the grilles and wash vacuum or tap them out Promptly replace them Caution The fan blades are accessible when the grille cover and filter are removed Be careful not to place your finger or other objects into the fan 3 Fan Grille To attach the fan grilles first sl...

Страница 9: ... ears are included with the amplifier to allow mount ing in 19 racks Attach the rack ears as shown in the Mechanical Components section If any feet have been attached to the bottom of the amplifier remove them Load the amplifier into the rack and secure it to the rack with appropriate hardware not included Rear Rack Mounting Optional accessory not included For greater rear support when rack mounti...

Страница 10: ...terminals of either output No damage will occur if this is done but the amplifier will go into protect mode and shut down the affected channel Inputs Balanced Input Connections Balanced input connections are used when the source device provides a balanced output signal signal and ground G This type of con nection is desirable when operating in electrically noisy environments where long input cable...

Страница 11: ...ting the switch to OFF this amplifier will turn on and off direct ly by its front Power Switch All other amplifiers in the chain MUST have their Power Sequencing switches in the ON position so that they respond to the sequencing signals All slave amplifiers MUST have their front Power Switch set to the ON position with the exception of the master amplifier To Begin the Power Up Sequence Turn on th...

Страница 12: ...re is signal at the output STATUS Illuminates in three different colors to indicate current opera tional status of the amplifier Green Indicates that the amplifier is operating normally Amber Indicates that the amplifier is in Sleep mode Red Indicates a fault condition and that the amplifier has disconnected the output load as a safety precaution Rear Controls Indicators Level Controls Use the rea...

Страница 13: ...te until triggered through the sequencing feature Power Status Indicator A Power Status Indicator is provided on the rear of the amplifier The Black Max amplifier has different states of powering up depending on whether power sequencing is used or not The Power Status Indicator provides 3 different status indications Not Lit Indicates that the unit is not plugged in or is not being supplied AC pow...

Страница 14: ...ormer or other EMI radiating devices Electrically noisy devices operating on the same AC circuit Poor equipment grounding Ensure that all AC safety grounds are connected Make sure that all components in audio chain are tied to the same ground NO SOUND NOISE HUM DISTORTED SOUND INTERMITTENT OPERATION Status LED is green Signal LED is off Level Controls turned down No signal from source CH B Input S...

Страница 15: ...ms 16 ohms Frequency Response 1 watt 20 Hz 20 kHz 0 25 dB Output Regulation 1 5 dB 70V Inputs 100k ohm electronically balanced 3 pin pluggable terminal strip Low Cut Filter 60 Hz 2nd order roll off switch defeatable per channel AC Input Voltage Range 95 130V AC 60 Hz AC Current Rating full power 20A 15A 12A AC Voltage 120V AC 60 Hz Indicators Status Limit Signal AC Power Status Rear Temperature Ra...

Страница 16: ...D WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PAR TICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED TO THE MAXIMUM EXTENT ALLOWABLE BY LAW Bogen s liability arising out of the manufacture sale or supplying of products or their use or disposition whether based upon warranty contract tort or otherwise shall be limited to the price of the product IN NO EVENT SHALL BOGEN BE LIABLE FOR SPECIAL INCI...

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