Wohler AMP2-AMPPM User Manual Download Page 11 | Manualshive

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© 2002 Wohler Technologies Inc. ALL rights reserved

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AMP2-AM Series User Manual P/N 821540 Rev-A

Section 2: Operation

Figure-2a: Front Panel Features

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WOHLER

TECHNOLOGIES

POWER

FAST-OUT

FAST-IN

PHASE

AVG

MONITOR PANEL

ANALOG AUDIO

AMP2-AM

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Summary of Contents for AMP2-AMPPM

Page 1: ...l Technical Observations PPM Meter Specifications and Level Threshold Settings VU Meter Specifications and Level Threshold Adjustment AMP2 VM Series Interconnect Block Diagram AMP2 AM Series AMP2 AMVU and AMP2 AMPPM 2U Analog Monitor Speaker Unit with Two VU or PPM Mechanical Level Meters Two Balanced and Two Unbalanced Inputs Two Loop Thru Outputs and Phase Indication Document P N 821540 Rev A 1 ...

Page 2: ...eing 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 manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip ...

Page 3: ...hnologies Inc ALL rights reserved 3 AMP2 AM Series User Manual P N 821540 Rev A Sect 1 General Features and Specifications General Features and Specifications Description Features Applications Specifications Section 1 ...

Page 4: ...ensive magnetic shielding allows placement immediately adjacent to video monitors with no color impurities The AMP2 AM series models are specifically intended for those who prefer mechanical level meters when visually monitoring audio signals These units are capable of audibly monitoring two analog source channels through their stereo speaker systems while simultaneously visually monitoring both c...

Page 5: ... Ω Ω Ω Frequency Response Sixth Octave Input Level for Maximum Output Volume Full On AnalogInputimpedance Hum and Noise analog Distortion Electrical Distortion Acoustic Input Overload Converted analog out S N Converted analog out THD Magneticshielding Powerconsumption AverageMaximum ACMainsinput Weight Dimensions HxWxD XLR balanced andRCA unbalanced 104 dB SPL 10 W transient 14 W continuous 25 W t...

Page 6: ... 2002 Wohler Technologies Inc ALL rights reserved 6 AMP2 AM Series User Manual P N 821540 Rev A ...

Page 7: ... 2002 Wohler Technologies Inc ALL rights reserved 7 AMP2 AM Series User Manual P N 821540 Rev A Operation Installation Front Panel Features Rear Panel Features Section 2 ...

Page 8: ... 2002 Wohler Technologies Inc ALL rights reserved 8 AMP2 AM Series User Manual P N 821540 Rev A Section 2 Operation ...

Page 9: ...ibrations external to the unit Mechanical Bracing Even though the unit is fairly heavy the chassis is securely attached to the front panel at eight points along its surface not just at the four corners of the chassis ears This feature will reduce or eliminate rear bracing requirements in many mobile portable applications The weight of internal components is distributed fairly evenly around the uni...

Page 10: ...lugged into this jack the internal speakers will mute This jack accepts a standard 1 4 phone type stereo plug Volume Control Pot This controls the loudness of the audio reproduced by the internal speakers or connected headphone Clock wise rotation of this control increases the loudness of the monitored audio Phase Indication LEDs These three LEDs offer instant verification of phase polarity condit...

Page 11: ...nc ALL rights reserved 11 AMP2 AM Series User Manual P N 821540 Rev A Section 2 Operation Figure 2a Front Panel Features 1 3 1 4 1 2 5 6 7 2 WOHLER TECHNOLOGIES POWER FAST OUT FAST IN PHASE AVG MONITOR PANEL ANALOG AUDIO AMP2 AM ...

Page 12: ... Analog Input BALANCED IN Connectors These two 3 pin female XLR connectors left and right accept standard analog audio signals and are configured for balanced 200K Ω connections Pinout information for these connectors is shown below Analog Output LOOP THRU Connectors These two 3 pin male XLR connectors output an analog audio loop through of the signals entering the inputs Items B and D Pinout info...

Page 13: ...tion 2 Operation Figure 2b Rear Panel Features INTERNAL POWER UNDERWRITERS LABS LABEL ON SIDE SEE POWER SUPPLY 50 60 Hz 100 240 VAC NUMBER SERIAL UNBALANCED IN BALANCED IN LOOP THRU CHANNEL A LEFT AMP2A AMP2A AMPPM AMP2A AMVU UNBALANCED IN BALANCED IN LOOP THRU CHANNEL B RIGHT 253408 01 A B D C B C D ...

Page 14: ... 2002 Wohler Technologies Inc ALL rights reserved 14 AMP2 AM Series User Manual P N 821540 Rev A Section 2 Operation ...

Page 15: ... rights reserved 15 AMP2 AM Series User Manual P N 821540 Rev A Technical Information General Technical Observations PPM Meter Specifications and Level Threshold Settings VU Meter Specifications and Level Threshold Adjustment Section 3 ...

Page 16: ...ut stage and before the volume control section The signal pick off for the headphones is after the volume and balance controls Speaker muting is controlled by circuitry that senses connection of headphones to the jack The power amps are attached to an aluminum heatsink plate which is also connected to the circuit common for these devices The heatsink plate forms an operational module separate from...

Page 17: ...d Level Meter Dynamics Mechanical StandardVU 0 to 8 dBv factory set to 4 dBv trimpotadjustable internal VU fullANSI Level Meter Type Level Meter Scale Level Meter Threshold Level Meter Dynamics Mechanical Specify BBC 1 to 7 or EBU type 1 and 2 specified when ordered 6 0 4 or 8 dBv DIP switch selectable top cover PPM AMP2 AMVU Level Threshold AdjustmentMVU Level Gain Calibration Level Gain Calibrat...

Page 18: ...2 AMPPM Interconnect Block Diagram Connector Legend XLR M 3 Pin Male RCA Phono Female Rev A 08 15 02 XLR F 3 Pin Female Right Side Speaker Middle Speaker Woofer R L Left Side Speaker Phase Indication Analog Input Impedances XLR 200K Ω Balanced RCA 47K Ω Unbalanced BALANCED IN LOOP THRU Rear Panel Headphones Mechanical Level Meter Driver PCB UNBALANCED IN BALANCED IN LOOP THRU CHANNEL B RIGHT UNBAL...

Page 19: ...c ALL rights reserved 27 AMP2 AM Series User Manual P N 821540 Rev A Wohler Technologies Inc 31055 Huntwood Avenue Hayward CA 94544 Phone 510 870 0810 Fax 510 870 0811 US Toll Free 1 888 596 4537 www wohler com support wohler com ...

Page 20: ...r Technologies Inc 713 Grandview Drive South San Francisco CA 94080 650 589 5676 Fax 650 589 1355 web www wohler com e mail support wohler com Wohler Technologies Inc 31055 Huntwood Avenue Hayward CA 94544 Phone 510 870 0810 Fax 510 870 0811 US Toll Free 1 888 596 4537 www wohler com support wohler com ...

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