Behringer Tube Ultragain T1953 User Manual Download Page 2

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TUBE ULTRAGAIN T1953

This symbol, wherever it appears, alerts

you to important operating and mainte-

nance instructions in the accompanying

literature. Read the manual.

SAFETY  INSTRUCTIONS

CAUTION: To reduce the risk of electric shock, do not remove

the cover (or back). No user serviceable parts inside;

refer servicing to qualified personnel.

WARNING: To reduce the risk of fire or electric shock, do not

expose this appliance to rain or moisture.

DETAILED SAFETY INSTRUCTIONS:

All the safety and operation instructions should be read before the appliance is operated.

Retain Instructions:

The safety and operating instructions should be retained for future reference.

Heed Warnings:

All warnings on the appliance and in the operating instructions should be adhered to.

Follow instructions:

All operation and user instructions should be followed.

Water and Moisture:

The appliance should not be used near water (e.g. near a bathtub, washbowl, kitchen sink, laundry tub, in a wet

basement, or near a swimming pool etc.).

Ventilation:

The appliance should be situated so that its location or position does not interfere with its proper ventilation.

For example, the appliance should not be situated on a bed, sofa, rug, or similar surface that may block the

ventilation openings, or placed in a built-in installation, such as a bookcase or cabinet that may impede the

flow of air through the ventilation openings.

Heat:

The appliance should be situated away from heat sources such as radiators, heat registers, stoves, or other

appliances (including amplifiers) that produce heat.

Power Source:

The appliance should be connected to a power supply only of the type described in the operating instructions

or as marked on the appliance.

Grounding or Polarization:

Precautions should be taken so that the grounding or polarization means of an appliance is not defeated.

Power-Cord Protection:

Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed

upon or against them, paying particular attention to cords and plugs, convenience receptacles and the point

where they exit from the appliance.

Cleaning:

The appliance should be cleaned only as recommended by the manufacturer.

Non-use Periods:

The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time.

Debris and Liquid Entry:

Care should be taken that debris and/or liquids do not enter the enclosure through openings.

Damage Requiring Service:

The appliance should be serviced by qualified service personnel when:

- The power supply cord or the plug has been damaged; or

- Debris or liquid has entered the appliance; or

- The appliance has been exposed to rain; or

- The appliance does not appear to operate normally or exhibits a marked change in performance; or

- The appliance has been dropped, or the enclosure damaged.

Servicing:

The user should not attempt to service the appliance beyond that which is described in the operating instruc-

tions. All other servicing should be referred to qualified service personnel.

This  symbol,  wherever  it  appears,

alerts  you  to  the  presence  of

uninsulated dangerous voltage inside

the enclosure—voltage that may be

sufficient to constitute a risk of shock.

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Summary of Contents for Tube Ultragain T1953

Page 1: ...TUBE ULTRAGAIN T1953 Version 1 2 December 2002 User s Manual ENGLISH Downloaded from www Manualslib com manuals search engine...

Page 2: ...rs that produce heat Power Source The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance Grounding or Polarization P...

Page 3: ...ested musicians at the Music Fair 1997 when they saw our VINTAGER models for the first time was a lasting incentive driving our development efforts It is our philosophy to share our joy with you becau...

Page 4: ...evel converter from 10 dBV to 4 dBu s Soft mute 48 V phantom power to avoid switch on thumps s Fully tunable and switchable 12 dB high pass filter s Switchable phase reverse to correct phase problems...

Page 5: ...ACKGROUND 12 4 1 Audio dynamics 13 4 1 1 Noise as a physical phenomenon 13 4 1 2 What are audio dynamics 14 4 2 The tubes used in the TUBE ULTRAGAIN 15 4 3 Tube history 15 4 4 Design and functional pr...

Page 6: ...logies making them affordable to almost anybody in audio technology With the exception of 2 12AX7 ECC83 tubes the TUBE ULTRAGAIN T1953 is based on SMD technology Surface Mounted Device These subminiat...

Page 7: ...he connectors on the back panel Be sure that there is enough space around the unit for cooling and please do not place the TUBE ULTRAGAIN on high temperature devices such as power amplifiers etc to av...

Page 8: ...CLIP LED warns you to reduce the gain with the MIC TRIM control so as to avoid distortion caused by overloading During normal operation the LED should not light up at all 4 The MIC TRIM control is ena...

Page 9: ...RAGAIN in a range from 20 to 2 dB The 0 dB marker corresponds to the studio reference level of 4 dBu Set the LEVEL control so that the level meter just touches the red zone Always try to optimize the...

Page 10: ...H PASS switch OFF LEVEL control 0 dB Tab 2 1 Basic setup of the TUBE ULTRAGAIN Reduce the volume level of the subsequent audio system to a minimum and connect a microphone to the XLR input connector o...

Page 11: ...to eliminate low end signal portions such as rumble or pop noise or other interference frequencies Often such frequencies have very high amplitudes and do not only deteriorate the sound quality but c...

Page 12: ...nstruments particularly those rich in upper harmonics The source material is enriched in sound volume and brilliance Enhanced depth makes it easier to locate individual instruments Vocal sounds gain i...

Page 13: ...ource to be calculated log decimal logarithm As can be seen human hearing has a very wide dynamic range of about 130 dB which surpasses the range of a DAT or CD player with an approximate range of 96...

Page 14: ...determined by the levels of the internal operating voltages if they are exceeded audible signal distortion is the result Although in theory the usable dynamic range sits between these two limits it is...

Page 15: ...t developments in tube technology were reported between 1904 and 1906 It was a research task of that time to find a suitable method for receiving and rectifying high frequencies On April 12 1905 a cer...

Page 16: ...rons When a positive dc voltage is applied to the other electrode anode the negative electrons start to wander from the cathode to the anode With reverse polarity between cathode and anode a current f...

Page 17: ...with frequencies of 2 f 3 f etc integral multiples of the original frequency are produced These new frequencies are referred to as upper harmonics grouped as odd and even harmonics Unlike the transist...

Page 18: ...the actual tube effect be added gradually The more you turn the Warmth control to the right the more tube sound will be added to the original signal 4 8 Studio applications In a recording studio tube...

Page 19: ...pter thoroughly phantom power can damage the microphone if used improperly Fig 4 9 Functional diagram of phantom power supply We speak of phantom power when a microphone cable is used to carry several...

Page 20: ...und the unit for cooling and please do not place the TUBE ULTRAGAIN on high temperature devices such as power amplifiers etc to avoid overheating 5 2 Mains connection The mains connection of the TUBE...

Page 21: ...d operate the TUBE ULTRAGAIN During installation and operation the user must have sufficient electrical contact to earth Electro static charges might affect the operation of the TUBE ULTRAGAIN Fig 5 1...

Page 22: ...variable 20 dB to 20 dB Warmth variable cold to warm Function switches 48 V engages the phantom power Mic Line switches from line to microphone preamp Phase reverse phase reversal 180 High Pass engag...

Page 23: ...aced within 30 days of receipt of the product at BEHRINGER 2 If the product needs to be modified or adapted in order to comply with applicable technical or safety standards on a national or local leve...

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