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KA-1000-THX

SUBWOOFER AMPLIFIER

OWNER'S MANUAL

KA-1000-THX AMPLIFIER

I M P O R TA N T S A F E T Y I N S T R U C T I O N S

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 wider blade or the third prong are provided for your safety. I f

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. USE only with a 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/appa-

ratus combination to avoid injury from tip-over.

13. UNPLUG this apparatus during lightning storms or when unused for long periods of time.

14. 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.

This symbol indicates that there are important operating and maintenance instructions

in the literature accompanying this unit.

This symbol indicates that dangerous voltage constituting a risk of electric shock is

present within this unit.

WARNING: To reduce the risk of fire or electrical shock, do not expose this apparatus to rain or

moisture.

WARNING: Voltages in this equipment are hazardous to life. No user-serviceable parts inside.

Refer all servicing to qualified service personnel.

CAUTION: Changes or modifications not expressly approved by the manufacturer could void the

user’s authority to operate this device.

ABOUT YOUR KLIPSCH PU RCHASE

Thank you for your purchase of a Klipsch subwoofer amplifier. After reading this manual

and connecting your system, you will hear the results of over 55 years of stringent

engineering and class-leading research and development. Please be sure to fill out the

warranty card at the back of this manual or online at www.klipsch.com so we are better

able to serve you. Again, thank you for choosing Klipsch and we hope that your subwoofer

amplifier brings life to your music and movies for many years.

U N PA C K I N G

The easiest way to remove the amplifier from its carton is to turn the open end of the box

down so that it is resting on a table or the floor, with the flaps spread out and away. Then

pull the box straight up and off. Remove any packing material from the amplifier, place it

back in the carton, and store in case you ever need to ship the amplifier.

FRONT PANEL CONTROLS

1. Master

. Master

. Master . Master Power On/Off

Power On/Off

Power On/OffPower On/Off

The Master Power switch turns the amplifier on and off. In addition to the Master Power

switch, the KA-1000-THX has an Auto Power function that will allow the amplifier to turn

itself on and off automatically when an audio signal is detected. An LED indicates the

current status of the amplifier – RED when the amplifier is in Standby and GREEN when the

amplifier is active. The LED is off when the Master Power switch is set to the “Off” position.

2. Auto

2. Auto 2. Auto Power On/Of

Power On/Of

Power On/OfPower On/Off

The Auto Power switch has two settings – “On” and “Off”. In the “Off” position, the Master

Power switch turns the amplifier on or off. If you leave the Master Power switch in the “On”

position and set the Auto Power switch to the “On” position, then the amplifier will automat-

ically turn itself on and off when an audio signal is detected. There is a 2 second On delay

and a 15 minute Off delay when using the Auto Power function.

3. Phase

3. Phase 3. Phase Control

Control

ControlControl

The Phase control on the KA-1000-THX is continuously variable from 0˚ to 180˚. This

control allows you to fine tune the performance of your subwoofer system by o p t i m i z i n g the

blend with the main speakers. Basically, one of the positions will result in an audible

increase in bass output depending upon room placement.

4. Boundary

4. Boundary 4. Boundary Gain Compensatio

Gain Compensatio

Gain CompensatioGain Compensation On/Off

n On/Off

n On/Offn On/Off

The Boundary Gain Compensation switch allows you to fine-tune the low-end extension of

your subwoofer system based upon room placement. In some room locations, your

subwoofers low-end response may become exaggerated or boomy due to the increase in

output from your room’s acoustics. In this case, selecting the “On” position will restore the

system to a flatter, less boomy response. If you are using a THX

®Ultra2™receiver or

processor and you have selected “Ultra2” for the sub setting, the boundary gain compensa-

tion switch should be set to “Off.”

5. THX

5. THX 5. THX On/Off

On/Off

On/OffOn/Off

The THX switch provides a means to bypass the crossover and level controls when using a

THX preamplifier or receiver. In the “On” position, the crossover and level controls do not

function. (In this configuration, your preamplifier or receiver will perform those functions.) In

the “Off” position, the crossover and level controls operate normally. Be sure the volume

level on your preamplifier or receiver is turned down before changing the setting of this

switch.

6. Lowpass

6. Lowpass 6. Lowpass Crossover

Crossover

CrossoverCrossover

The Lowpass Crossover control allows you to select the proper frequency at which your

subwoofer system blends with your main speakers. It is selectable from 40-120Hz. You

should set this control to the approximate low-frequency limit of your main left and right

speakers. In a THX system, this setting would be 80Hz. If the THX control is set to the “On”

position, this control will not operate. An LED status indicator is provided to tell you whether

or not this control is operational – GREEN for active and RED for bypassed.

7. Level

7. Level 7. Level Control

Control

ControlControl

The Level control is the volume setting for the amplifier. It is used in conjunction with the

subwoofer output level control on your preamplifier or receiver. It is used to adjust the over-

all output level of your subwoofer system. If the THX control is set to the “On” position, this

control will not operate. An LED status indicator is provided to tell you whether or not this

control is operational – GREEN for active and RED for bypassed.

KA-1000-THX AMPLIFIER

C O N N E C T I O N A N D A D J U S T M E N T

The KA-1000-THX is a high-performance, THX Ultra2-certified Class D digital power ampli-

fier with a built-in subwoofer crossover. It is designed specifically to drive one or two

KW-120-THX subwoofers to maximum output without audible distortion or risk of damage.

Although the amplifier’s connections and controls are simple, their use varies somewhat

according to the subwoofer system’s application. Typical setup procedures are described in

the following sections – one for digital systems and one for analog systems.

THX /

HX /

HX / HX / Digital Surroun

Digital Surroun

Digital SurrounDigital Surround Receiver

d Receiver

d Receiver d Receiver or Process

or Process

or Processor Processor Connection

or Connection

or Connectionor Connection — Today’s Dolby Digital®and

DTS®digital surround receivers and processors, as well as all THX-certified models, have

line-level subwoofer outputs and built-in subwoofer crossovers. If your system is built

around one of these, it will almost always be best to use the KA-1000-THX with the THX

switch in the “On” position. This will bypass the crossover and level controls. Connect the

subwoofer output on the receiver or processor to one or both of the KA-1000-THX’s two

input jacks (Figure 2). Use a shielded, high quality subwoofer interconnect cable of appro-

priate length with RCA plugs on each end. Your dealer can help you select a suitable cable.

Be sure to go into your receiver or processor’s speaker setup menu and set Subwoofer to

“On” or “Yes”, or if it is a THX Ultra2 certified model, select “Ultra2” in the subwoofer menu.

Your receiver or processor may have additional bass management abilities beyond simply

activating the subwoofer output. Consult your receiver or processor’s owner’s manual or

your dealer for more information on the proper bass management settings for your system.

Crossover Adjustment

Crossover AdjustmentCrossover Adjustment – With the THX switch in the “On” position as suggested for this type

of setup, the crossover control will not function. Its status LED will be red signifying that this

control is bypassed. Your receiver or processor will perform the crossover functions for the

subwoofer in this situation. When using either the KL-650-THX or KL-525-THX as your front

speakers, select the 80Hz (THX) crossover frequency.

Level Control

Level ControlLevel Control – With the THX switch in the “On” position as suggested for this type of setup,

the level control will not function. Its status LED will be red signifying that this control is

bypassed. Your receiver or processor will perform the volume level functions for the sub-

woofer in this situation.

Phase Control

Phase ControlPhase Control – In some installations the setting of the Phase control may not make much

difference, whereas in others it may be necessary to go back and forth between the Phase

and Level controls for a while in order to get the very best blend with the main speakers.

Since each control setting (including the one for crossover frequency in the receiver or

processor) affects the optimum settings for the others, it often takes a while to get every-

thing dialed in just right. Start with the Phase control at 0° and play a recording with a

prominent, repeating bass line in your listening position. Repeat this process with the

control in the 90° and 180° positions. Use the setting that yields the greatest bass output.

REAR PANEL INPUTS AND OUTPUTS / CONNECT IONS AND SETUP

Make all

Make all Make all connections

connections

connections connections with the

with the

with thewith the power

power

power power turned “OF

turned “OF

turned “OFturned “OFF” on

F” on

F” on F” on both the

both the

both the both the subwoofer

subwoofer

subwoofer subwoofer amplifier

amplifier

amplifier amplifier and your

and your

and yourand your

receiver or

receiver or receiver or preamplifier!

preamplifier!

preamplifier!preamplifier!

1. Line

1. Line 1. Line Level I

Level I

Level ILevel Input

nput

nputnput

The Line Level input consists of a pair of gold-plated RCA phono jacks. Either one or both

may be used. (Use a shielded, high quality subwoofer interconnect cable of appropriate length

with RCA plugs on each end. Your dealer can help you select a suitable cable.) This input can

function as either a Line Level input or an LFE Input, depending on the position of the THX

On/Off switch. When THX is On, the Lowpass Crossover is bypassed and the Line Level input

effectively functions as an unfiltered LFE input.

2. Line

2. Line 2. Line Level Ou

Level Ou

Level OuLevel Output

tput

tputtput

The Line Level output consists of a pair of gold-plated RCA phono jacks. Either one or both

may be used. This output is an unfiltered passthru of the Line Level input signal. It can be

used to connect to a second KA-1000-THX amplifier or to connect back to your electronics if

needed.

3. Speaker

3. Speaker 3. Speaker Level Out

Level Out

Level OutLevel Outputs

puts

putsputs

The Speaker Level outputs are two professional style Speakon

®NL2 connections. This is a

simple connection that is easy to use, secure and foolproof. You simply align the tab on the

connector with the slot on the output jack, fully insert the connector, turn it clockwise and the

collar locks into place (Figure 1). To remove it, pull back on the collar and while holding it

back, turn it counterclockwise and pull it out. This connection is repeated on the back of the

subwoofer enclosure. If you are using two KW-120-THX subwoofers, connect the second one

in the same fashion to the KA-1000-THX’s second output jack. (A single, 20-foot length, THX

Ultra certified subwoofer speaker cable is provided with each KW-120-THX subwoofer enclo-

sure. Contact your dealer if you need a longer cable.)

4. AC

4. AC 4. AC Line

Line

Line Line Cord

Cord

CordCord

The AC Line connection uses a detachable three-prong power cord. Insert the line cord into

this jack, set the Master Power switch to “Off”, then insert the power cord into an appropriate

AC receptacle. Leave the Master Power switch off until all connections are completed. (We

recommend leaving the Master Power and Auto Power switches in the “On” position for

normal operation in most systems.)

Figure 1

Figure 2

Produktspecifikationer

Varumärke:	Klipsch
Kategori:	mottagare
Modell:	KA-1000-THX
Färg på produkten:	Zwart
Vikt:	310 g
Bredd:	88 mm
Djup:	208 mm
Höjd:	19 mm
Förpackningens vikt:	1580 g
Förpackningens bredd:	140 mm
Djuppackning:	269 mm
Förpackningshöjd:	95 mm
Husmaterial:	Acrylonitrielbutadieenstyreen (ABS)
LED-indikatorer:	Stroom
På / Av knapp:	Ja
Anslutningsteknik:	Bedraad
Ethernet LAN:	Ja
Typ av strömkälla:	AC
Integrerad minneskortläsare:	Ja
Kompatibla minneskort:	MicroSD (TransFlash), SD
Ursprungsland:	China
Antal HDMI-portar:	2
Antal Ethernet LAN (RJ-45)-portar:	1
Hörlursutgångar:	1
Nätförsörjning:	100 W
Maximal uppdateringshastighet:	60 Hz
Upplösning (maximal digital):	3840 x 2160 Pixels
Antal DisplayPorts:	1
Antal per paket:	1 stuk(s)
Ethernet LAN, dataöverföringshastigheter:	10,100,1000 Mbit/s
Stöder Windows:	Ja
Antal portar USB 3.2 Gen 1 (3.1 Gen 1) Typ A:	4
Kombinerad hörlurs/mikrofonport:	Ja
Stöder Mac-operativsystem:	Ja
Utström:	5 A
Spännande:	20 V
Andra stödsystem:	ChromeOS
USB-strömförsörjning:	Ja
USB-strömleverans till max.:	65 W
USB Type-C DisplayPort alternativt läge:	Ja
(Ytter) huvudpaketets höjd:	315 mm
(Ytter) huvudförpackningens bredd:	285 mm
(Ytter) huvudförpackningens bruttovikt:	16820 g
(Ytre) huvudpaketets längd:	495 mm
Kvantitet per (yttre) huvudkartong:	10 stuk(s)
AC-ingångsspänning:	100 - 240 V
AC-ingångsfrekvens:	50 - 60 Hz
UASP-stöd:	Ja