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Since the interference affects both cores equally, by subtracting the phase-shifted signals, the

interfering signal is completely neutralized. The result is a pure signal without any noise inter-

ference.

1

Signal

2

Ground, shielding

1

Signal (in phase, +)

2

Signal (out of phase, –)

3

Ground

1/4" TS phone plug (mono,

unbalanced)

1/4" TRS phone plug (mono, bal-

anced)

Plug and connection assignment

Proline 3000

25

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Содержание the t.amp Proline 3000

Страница 1: ...Proline 3000 power amplifier user manual ...

Страница 2: ...Musikhaus Thomann Thomann GmbH Hans Thomann Straße 1 96138 Burgebrach Germany Telephone 49 0 9546 9223 0 E mail info thomann de Internet www thomann de 06 06 2018 ID 168990 V2 ...

Страница 3: ...nal conventions 6 1 3 Symbols and signal words 6 2 Safety instructions 8 3 Installation and starting up 13 4 Connections and controls 17 5 Technical specifications 22 6 Plug and connection assignment 24 7 Cleaning 27 8 Protecting the environment 28 Table of contents Proline 3000 3 ...

Страница 4: ...ns and all other instructions Keep the manual for future reference Make sure that it is available to all those using the device If you sell the unit please make sure that the buyer also receives this manual Our products are subject to a process of continuous development Thus they are subject to change General information power amplifier 4 ...

Страница 5: ...rd search Use the search function in the electronic version to find the topics of interest for you quickly Online guides Our online guides provide detailed information on technical basics and terms Personal consultation For personal consultation please contact our technical hotline Service If you have any problems with the device the customer service will gladly assist you General information Prol...

Страница 6: ...for connectors and controls are marked by square brackets and italics Examples VOLUME control Mono button 1 3 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 manual Letterings General information power amplifier 6 ...

Страница 7: ...nation of symbol and signal word indicates a pos sible dangerous situation that can result in minor injury if it is not avoided NOTICE This combination of symbol and signal word indicates a pos sible dangerous situation that can result in material and environmental damage if it is not avoided Warning signs Type of danger Warning high voltage Warning danger zone General information Proline 3000 7 ...

Страница 8: ...t physical sensorial and intellectual abilities and having corresponding knowledge and experience Other persons may use this device only if they are supervised or instructed by a person who is responsible for their safety DANGER Danger for children Ensure that plastic bags packaging etc are disposed of properly and are not within reach of babies and young children Choking hazard Ensure that childr...

Страница 9: ...evice if covers protectors or optical components are missing or damaged DANGER Electric shock caused by short circuit Always use proper ready made insulated mains cabling power cord with a pro tective contact plug Do not modify the mains cable or the plug Failure to do so could result in electric shock death or fire If in doubt seek advice from a regis tered electrician Safety instructions Proline...

Страница 10: ... impairment Do not operate the device permanently at a high volume level Decrease the volume level immediately if you experience ringing in your ears or hearing impairment CAUTION Risk of injury due to heavy weight Due to the heavy weight of the device at least two persons are required for trans port and installation Safety instructions power amplifier 10 ...

Страница 11: ...rect heat source Keep the device away from naked flames NOTICE Operating conditions This device has been designed for indoor use only To prevent damage never expose the device to any liquid or moisture Avoid direct sunlight heavy dirt and strong vibrations Safety instructions Proline 3000 11 ...

Страница 12: ...e the risk of electric shock or fire NOTICE Magnetic fields The device generates strong magnetic fields that can interfere with the function of poorly shielded devices The strongest magnetic fields are directly above and below the power amplifier Therefore never place sensitive devices such as pre amplifiers radio transmission systems or tape decks directly above or below the power amplifier When ...

Страница 13: ...table for transport or storage respectively Create all connections while the device is off Use the shortest possible high quality cables for all connections Take care when running the cables to prevent tripping hazards DANGER Electric shock caused by high voltages at the power amplifier output The output voltages of modern high performance amplifiers may result in death or serious injury Never tou...

Страница 14: ...irectly above and below the power amplifier Therefore never place sensitive devices such as pre amplifiers radio transmission systems or tape decks directly above or below the power amplifier When installing the power amplifier into a rack you should place it in the lowest position and further equipment such as pre amplifiers in the highest position The unit has been designed for rack mounting in ...

Страница 15: ...mplifier channels receive the same input signal from channel A and loudspeakers are connected to each amplifier The volume is controlled via the control knob for channel A Bridged mode Both power amp channels are internally wired for providing double the output power Only the input signal from channel A is amplified and loudspeakers are connected only to the correspondingly marked output The volum...

Страница 16: ...nnecting speakers in series the impedances add up n when connecting speakers in parallel the reciprocal value of the total impedance is equal to the sum of the reciprocal values of the individual impedances This means for example with two speakers with the same impedance In series connection impedance is doubled In parallel connection it s halved Detailed information on this topic can be found in ...

Страница 17: ...4 Connections and controls Front panel Connections and controls Proline 3000 17 ...

Страница 18: ... panel CLIP Lights under the following conditions n Channel overdrive In this case reduce the volume until the LED turns off n Short circuit at the output Immediately turn off the device fix the short circuit and turn on the device again SGL Indicates the presence of an input signal Connections and controls power amplifier 18 ...

Страница 19: ...temperature of the amplifier blocks has reached 85 C n One or more protection circuits have been triggered or the device is defective STR Lights when the device is operated in stereo mode PAR Lights when the device is operated in parallel mode BRI Lights when the device is operated in bridged mode Connections and controls Proline 3000 19 ...

Страница 20: ... signal in channel A 5 1 4 phone socket for the input signal in channel A 6 XLR mounting socket for the input signal in channel B 7 1 4 phone socket for the input signal in channel B Rear panel Connections and controls power amplifier 20 ...

Страница 21: ... bridged mode 1 2 positive 1 2 negative 11 Lockable chassis connector Speaker Twist for speaker output for channel A 1 2 positive 1 2 negative 12 Lockable chassis connector Speaker Twist for speaker output for channel B 1 2 positive 1 2 negative 13 RESET Resettable fuse The fuse switches off at too high current consumption of the amplifier Once the problem is solved the fuse will automatically be ...

Страница 22: ...W Stereo 2 Ω 2 1800 W Bridged 8 Ω 3000 W Bridged 4 Ω 3600 W Parallel 8 Ω 2 1100 W Parallel 4 Ω 2 1500 W Parallel 2 Ω 2 1800 W Frequency response 1 5 dB 20 Hz 20 kHz Input sensitivity 0 77 V Signal to noise ratio 100 dB Slew rate 45 V µs Technical specifications power amplifier 22 ...

Страница 23: ...lanced Outputs Lockable chassis connector Speaker Twist Cooling system Temperature controlled fan cooling Operating supply voltage 220 240 V 50 60 Hz Power consumption at 50 of rated output power 8 Ω 1550 W Dimensions W H D 482 mm 132 mm 460 5 mm Weight 37 kg Technical specifications Proline 3000 23 ...

Страница 24: ...tors one core plus shielding are typical representatives of the unbalanced transmission One conductor is ground and shielding while the signal is trans mitted through the core Unbalanced transmission is susceptible to electromagnetic interference especially at low levels such as microphone signals and when using long cables In a professional environment therefore the balanced transmission is prefe...

Страница 25: ...interfering signal is completely neutralized The result is a pure signal without any noise inter ference 1 Signal 2 Ground shielding 1 Signal in phase 2 Signal out of phase 3 Ground 1 4 TS phone plug mono unbalanced 1 4 TRS phone plug mono bal anced Plug and connection assignment Proline 3000 25 ...

Страница 26: ...ignal out of phase 4 Shielding on plug housing option 1 Signal 1 in phase 1 Signal 1 out of phase 2 Signal 2 in phase 2 Signal 2 out of phase XLR plug balanced Speaker Twist chassis connector Plug and connection assignment power amplifier 26 ...

Страница 27: ...aned on a regular basis to remove dust and dirt Before cleaning switch off the device and disconnect AC powered devices from the mains Use a lint free damp cloth for cleaning Never use solvents or alcohol for cleaning Fan grids Cleaning Proline 3000 27 ...

Страница 28: ...e notes and markings on the packaging This product is subject to the European Waste Electrical and Electronic Equipment Directive WEEE in its currently valid version Do not dispose with your normal household waste Dispose of this device through an approved waste disposal firm or through your local waste facility When discarding the device comply with the rules and regulations that apply in your co...

Страница 29: ...Notes Proline 3000 29 ...

Страница 30: ...Notes power amplifier 30 ...

Страница 31: ......

Страница 32: ...Musikhaus Thomann Hans Thomann Straße 1 96138 Burgebrach Germany www thomann de ...

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