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Main bus inputs allow outputs 
from receivers, CD players, TVs, 
or any stereo audio sources to 
be amplified across all channels 
for easy multi-room applications. 
Auxiliary inputs allow an 
additional audio source to be 
played on any channel that is 
switched to AUX.

Bus outputs allow the bus inputs 
to be sent to other amplifiers or 
a daisy chain without the need 
for "Y" cables or splitters. Auxiliary 
outputs allow you to daisy-chain 
the input to other amplifiers.

Level controls for 
each channel.

Gold-plated  
individual channel 
inputs allow you to 
connect different 
audio sources to 
each channel.

Source Selection Switch 
Allows you to select 
between the common bus 
and auxiliary inputs, or the 
individual channel input.

One Switch Allows you to 
select which stereo input 
channel will play through 
the speaker outputs: left, 
right, or left and right 
combined. If switched to 
Left + Right, both input 
channels are combined.

3-30V AC or DC 
input to trigger 
power up with  
voltage from 
another device, 
such as a receiver.

12V output to turn on 
other devices when 
amplifier is powered up. 
Connect to projector 
screens, powered drapes, 
or other devices with 
voltage triggers.

Binding posts allow 
the use of stripped 
speaker wire, spade 
connectors, or 
banana plugs.

3-Prong 
removable 
power plug.

Fused AC input.

Bridging Switch Allows you to easily 
double the power output by coupling 
two channels together.

Slide switch 
allows you to 
switch between 
different trigger 
methods to 
power up the 
amplifier.

$IAGRAM2EAR0ANEL

 To best understand system design and operation of the Vital 
amplifiers it is useful to understand the following terms and 
features.

-ULTI2OOM

A system design that plays the same source at the same time 
in all rooms. If a change is made in one room, the same 
change takes place in all other rooms. For example, if a 
listener changes from CD to Tuner in the bedroom, the same 
change will be heard in the kitchen. Note: With the use of 
volume controls or speaker switchers the volume of each room 
can be controlled separately of the other rooms. 

-ULTI:ONE

A system design that allows different sources to be played 
in each room. A change in one room can be made without 
changing the other rooms. For example the CD player can be 
heard in the bedroom while the kitchen is playing the tuner. 

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Bridging

The combining of 2 channels to create one mono channel. It is 
useful when more volume is needed in a particular area. 

3OURCE

Component, audio or video, that provides an audio signal. 
Examples are CD, VCR, DVD, tape deck and tuner. The source 
provides the audio information that is amplified by the Vital 
amplifiers.

#HANNEL

A distinct unit of the Vital amplifier that provides output to one 
speaker. The input to each channel can be configured to select 
from the BUS INPUT, the AUX INPUT or that channel’s unique 
CHANNEL INPUT. Two adjacent channels can be bridged to 
provide higher power to one speaker.  

Summary of Contents for Vital 1250

Page 1: ...Vital Digital Amplifiers Vital 1250 and 850 Owner s Manual ...

Page 2: ...ES CHOCS ELECTRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert you 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 ...

Page 3: ...peakerCraft is reVitalizing our amplifier line to include several digital amplifiers Vital 1250 Vital 850 and Vital 170V These amplifiers include the necessary features needed for flexible reliable custom installation Custom friendly features include multiple turn on modes independent level controls for each channel and pass through outputs The Vital series of amplifiers is a highly reliable solution...

Page 4: ...s This provides the flexibility needed in sophisticated custom audio installations 452 3 IAGRAM RONT 0ANEL Master power switch Turns off power to amplifier and Power Mode Circuitry Bridging The power output of adjacent channels can be combined to provide extra power when needed in certain areas This is easily accomplished by flipping a single switch NDIVIDUAL HANNEL EVEL DJUSTMENTS Each channel ha...

Page 5: ...y coupling two channels together Slide switch allows you to switch between different trigger methods to power up the amplifier IAGRAM 2EAR 0ANEL To best understand system design and operation of the Vital amplifiers it is useful to understand the following terms and features ULTI 2OOM A system design that plays the same source at the same time in all rooms If a change is made in one room the same ...

Page 6: ...The following pages contain some typical installation examples Use these examples to generate ideas for your system design ULTI 2OOM NSTALLATION XAMPLE IAGRAM This illustrates the simplest use of the Vital amplifier distributing audio throughout the home In this example only one source can be selected at a time all pairs of speakers have the same audio signal available The Input Selection switch i...

Page 7: ...3 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Room 4 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Room 5 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Room 6 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER TAPE INPUT CD INPUT DVD INPUT L R L R L R L R OUTPUT PREAMPLIFIER RECEIVER AUDIO SOURCES CD Player L R OUTPUT Tape Deck L R OUTPUT DVD Player L R OUTPUT ...

Page 8: ...ONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER TAPE INPUT CD INPUT DVD INPUT L R L R AUX INPUT L R L R L R OUTPUT PREAMPLIFIER RECEIVER SOURCES CD Player 1 L R OUTPUT Tape Deck L R OUTPUT DVD Player L R OUTPUT CD Player 2 L R OUTPUT ...

Page 9: ... CONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER ZONE 1 OUTPUT L R ZONE 2 OUTPUT L R ZONE 3 OUTPUT L R ZONE 4 OUTPUT L R ZONE 5 OUTPUT L R ZONE 6 OUTPUT L R CD INPUT DVD INPUT TUNER INPUT TAPE INPUT 6 STEREO PREAMPLIFIERS OR MULTIZONE PREAMPLIFIER AUDIO SOURCES CD Player L R OUTPUT DVD Player L R OUTPUT Tuner L R OUTPUT Tape De...

Page 10: ...EAKER RIGHT SPEAKER Room 5 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER Room 6 VOLUME CONTROL LEFT SPEAKER RIGHT SPEAKER DVD INPUT CD INPUT VCR INPUT MULTI ROOM OUTPUT L R L R SUBWOOFER OUTPUT SPEAKER OUTPUTS L R L R HOME THEATER RECEIVER LEFT CENTER RIGHT REAR RIGHT REAR LEFT SOURCES CD Player L R OUTPUT DVD Player L R OUTPUT VCR L R OUTPUT LEFT SPEAKER RIGHT SPEAKER REAR LEFT SPEAKER REAR RIGHT SPE...

Page 11: ...CR INPUT L R SUBWOOFER OUTPUT CHANNEL OUTPUTS L R L R HOME THEATER RECEIVER PROCESSOR LEFT CENTER RIGHT REAR RIGHT REAR LEFT SOURCES CD Player L R OUTPUT DVD Player L R OUTPUT VCR L R OUTPUT LEFT SPEAKER RIGHT SPEAKER REAR LEFT SPEAKER LEFT SPEAKER REAR RIGHT SPEAKER CENTER SPEAKER SUBWOOFER ...

Page 12: ...witch positioned to off 3ELECT THE 0OWER ODE 3ELECTION Refer to the Power Mode Selection area under system design and operations considerations to determine which setting to use to turn the amplifier on Once you have determined which mode you will be using set the switches as outlined in the following chart 34 4 3WITCH 3ETTINGS CTIVE IGHT 3ELECTION ODE Constant Power button will light up when the ...

Page 13: ...tion for these inputs is done via the Input Selection switch marked BUS AUX LINE To select a source for each channel follow the steps below 1 Select the desired source input Set the Input Selection switch to BUS will play source connected to the BUS INPUT AUX will play source connected to the AUX INPUT or LINE will play source connected to the LINE IN 2 The BUS and AUX inputs each have a left and ...

Page 14: ...efer to the System Design Examples to determine which is best suited for your application UDIO UTPUTS Sources connected to the BUS or AUX inputs can be forwarded to other components or amplifiers by connecting to the corresponding output sections to the right of each input section By using standard audio patch cables you can connect these outputs to the inputs of another amplifier Up to 5 SpeakerC...

Page 15: ... 4 6 IMENSIONS 3U H x W x D 6 x 171 8 x 16 152 mm x 435 mm x 406 mm 7EIGHT 49 lbs 22 kg 30 4 3 6ITAL MPLIFIERS Vital 850 Vital 1250 2ATED 0OWER 50 Watts x 8 Channels 81 2 Channels Driven Remaining Channels Driven at 1 8 of Rated Power s 4 Z TO K Z s 4 7 Z TO K Z 0OWER AT HMS 75 Watts x 8 Channels 2 Channels Only Driven at a Time s 4 AT K Z s 4 7 AT K Z RIDGED 0OWER UTPUT 170 Watts x 4 Channels 81 ...

Page 16: ...nable time freight prepaid This warranty does not include service or parts to repair damage caused by accident disaster misuse abuse negligence inadequate packing or shipping procedures commercial use voltage inputs in excess of the rated maximum of the unit or service repair or modification of the product which has not been authorized or approved by SpeakerCraft This warranty also excludes normal...

Page 17: ...LIT91250 940 Columbia Ave Riverside CA 92507 USA 800 448 0976 Fax 951 787 8747 International 1 951 787 0543 www speakercraft com ...

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