Bogen V250, V35 User Manual 2
Power Vector Amplifiers
V35, V60, V100, V150, & V250 Models
Installation and Use Manual
© 2004 Bogen Communications, Inc.
All rights reserved.
Specifications subject to change without notice.
54-2072-01B 0401
Notice
Every effort was made to ensure that the information in this
guide was complete and accurate at the time of printing.
However, information is subject to change.
Important Safety Information
WARNING: To Reduce The Risk of Fire Or Electric Shock, Do
Not Expose This Apparatus To Rain Or Moisture.
Always follow these basic safety precautions when installing and
using the unit:
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. DO NOT block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat
registers, stoves, or other apparatus (including amplifiers)
that produce heat.
9. Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades with
one wider than the other. A grounding-type plug has two
blades and a third grounding prong.The wide blade, or the
third prong,are provided for your safety. If the provided plug
does not fit 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
manufacturer.
12. Unplug this apparatus during lightning storms or when
unused for long periods of time.
13. Refer all servicing to qualified service personnel. Servicing is
required when the apparatus has been damaged in any way,
such as power supply cord or plug is damaged, liquid has
been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped.
IMPORTANT
CAUTION: TO PREVENT THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE COVER
(OR BACK). NO USER-SERVICEABLE PARTS
INSIDE. REFER SERVICING TO QUALIFIED
PERSONNEL.
The lightning flash with arrowhead
symbol, within an equilateral triangle, is
intended to alert the user to the
presence of uninsulated “dangerous
voltage” within the product’s enclosure
that may be of sufficient magnitude to
constitute a risk of electric shock to
persons.
The exclamation point within an
equilateral triangle is intended to alert
the user to the presence of important
operating and maintenance (servicing)
instructions in the literature
accompanying the appliance.
Contents
Page
PANEL DESCRIPTIONS..................................................................................................2-3
Power Vector Front Panel..................................................................................................................2
Power Vector Rear Panel ..................................................................................................................3
INSTALLATION ..................................................................................................................4
Package Contents ................................................................................................................................4
Ventilation and Mounting ..................................................................................................................4
Models V250 and V150 ................................................................................................................4
Models V100,V60, and V35 ..........................................................................................................4
Rack Mounting ..............................................................................................................................4
Shelf/Table Mounting ....................................................................................................................4
Module Installation ..............................................................................................................................4
MODULES ............................................................................................................................5
Output Modules ..................................................................................................................................5
Functionality ....................................................................................................................................5
Input Modules ......................................................................................................................................5
Functionality ....................................................................................................................................5
Priorities ..........................................................................................................................................5
CONNECTIONS ..............................................................................................................6-8
Speakers ................................................................................................................................................6
Transformer-Coupled Speaker Connections ................................................................................6
4-Ohm Low-Impedance Speaker Connections ............................................................................6
COM and GND Terminals ............................................................................................................7
Remote Volume Control ....................................................................................................................7
Pre-EQ Output ....................................................................................................................................7
Signal-Processing Inserts ....................................................................................................................7
Mute Control........................................................................................................................................8
Bridging ..................................................................................................................................................8
System Expansion of Power Vector Amplifiers ............................................................................8
OPERATION ..................................................................................................................9-10
Front Panel Controls & Indicators ..................................................................................................9
Input Volume Controls....................................................................................................................9
Signal / Clip Indicator ....................................................................................................................9
Base and Treble Controls ..............................................................................................................9
Master Volume Control ..................................................................................................................9
Average / Peak Switch & LED Output Meter ............................................................................9
Power Switch / Power Indicator....................................................................................................9
Rear Panel Controls ........................................................................................................................10
Load Selector Switch ..................................................................................................................10
Other Controls ................................................................................................................................10
Tone Control Bypass Switch........................................................................................................10
Low-Cut Switch ............................................................................................................................10
BLOCK DIAGRAM ............................................................................................................11
SPECIFICATIONS ............................................................................................................12
TROUBLESHOOTING ....................................................................................................13
WARRANTY ......................................................................................................Back Cover
ACCESSORIES ..................................................................................................Back Cover
1
Panel Descriptions
Power Vector Front Panel
1. Input Volume Control
Each of the 8 inputs is controlled by an independent volume control.
2. Signal / Clip Indicator
A single two-color LED located above each channel’s volume control indicates the audio activity of that
channel’s input. Green indicates signal present at the input; red indicates clipping of the input signal.
3.Treble Control
Controls the amount of cut or boost of treble frequencies above 10 kHz.
4. Bass Control
Controls the amount of cut or boost of bass frequencies below 100 Hz.
5. LED Output Meter
An 11-segment LED output level meter monitors the output level of the power amplifier.
6.Average / Peak Switch
This switch determines whether the LED Output Meter registers the average or peak level of the amplifier’s
output.
7. Master Volume Control
Controls overall level of mixed input signals.
8. Power Indicator
An LED indicates AC power status.
9. Power Switch
Controls AC power to the amplifier.
2
Panel Descriptions
Power Vector Rear Panel
1.AC Receptacle
A grounded, unswitched AC convenience receptacle with a 500W maximum capacity is provided for external
equipment.
2.AC Line Cord and Circuit Breaker
A grounded, 3-wire AC line cord provides power to the amplifier and is protected by a resettable circuit
breaker.
3.Trans Output / Direct Out Selector
Allows selection of either transformer-coupled outputs (70V, 25V, and 8-ohm) or a direct low-impedance
(4-ohm minimum) output.A locking device is included to avoid accidental switching.
4. Speaker Output Barrier Strip
A 5-position barrier strip, with clamping washers, provides connections for speaker loads.
5. Mute Control Terminals
Provides access to mute buses for external control and system expansion.
6. Remote Volume Control Terminals
Three terminals are provided for connection of a remote station to control the amplifier’s motorized Master
Volume Control.
7. Low-Cut Switch
A slide switch (located in module bay 6) that allows roll off of frequencies below 125 Hz.
8.Tone Control Bypass Switch
A slide switch (located in module bay 6) that allows the effects of the bass and treble controls to be bypassed.
9. Module Bays
The amplifier has eight module bays, all of which can accommodate input modules, with two bays (bays 7
and 8) that can accommodate either input or output modules.
10. Bridging Jack
An RCA connector that allows the bridging of Power Vectors together for system expansion.
11. Pre-EQ Output
An unbalanced RCA buffer output whose signal includes all volume controls, tone controls, and output module
signal processing, but before (pre-EQ) any external signal-processing equipment connected to the SignalProcessing Insert jacks.
12. Insert Jacks
A pair of RCA connectors allow external equipment to be inserted between the pre-amp output and the power
amp input. Inserting a plug into the jack labeled “IN” automatically breaks the internal connection between the
amplifier’s pre-amp section and power amp section.The insert connections are unbalanced.
3
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