P.Audio XT-15P SUB User manual

P.AUDIO

XT SERIES MANUAL

1

READ ALL OF THE INSTRUCTIONS INCLUDED IN THIS MANUAL

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operation

and maintenance instructions.

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of

un-insulated “dangerous voltage” within the products enclosure that may be of sufficient magnitude to constitute a risk

of electric shock to persons.

1. The following safety notices must be read and adhered to for safe operation of the XT range of products.

2. Copies of this manual should be retained by the system’s installer AND end-user.

3. This manual must be read and understood and ALL warnings must be followed.

4. Follow all instructions to insure optimal product performance.

5. The XT Active products are convection-cooled devices and require at least 6 inches (152 mm) of clearance behind the

enclosure to allow the heat sink to adequately cool the internal electronics.

6. DO NOT INSTALL NEAR ANY HEAT SOURCES!

7. Use ONLY the supplied AC Mains connector.

8. Protect the AC Mains power cord from being walked on or otherwise damaged and inspect for damaged connections and

damaged insulation.

9. The XT-15A and XT-18A Sub MAY NOT be suspended.

10. There are NO user-serviceable parts inside the enclosure. DO NOT REMOVE THE AMPLIFIER MODULE!

11. DO NOT use in outdoor/direct weather installations or applications. Use in INDOOR dry applications ONLY!

2

CONTENTS

FRONT COVER

1.

INTRODUCTION ........................................................................................................................................................................... 2

2. SPECIFICATIONS .......................................................................................................................................................................... 3

3. SETUP AND USE OF THE XT PRODUCTS ....................................................................................................................................... 5

3.1. AC MAINS CONNECTION .................................................................................................................................................... 5

3.2. AUDIO CONNECTIONS ....................................................................................................................................................... 6

4. REMOTE SOFTWARE – XT Series ................................................................................................................................................. 7

4.1. HARDWARE REQUIREMENTS ............................................................................................................................................. 7

4.2. COM CABLE ........................................................................................................................................................................ 7

4.3. ID ........................................................................................................................................................................................ 7

4.4. CONTROLLING THE XT SERIES SPEAKERS ........................................................................................................................... 8

4.5. PROTECTION ...................................................................................................................................................................... 9

5. APPLICATION AND TROUBLE SHOOTING TIPS ........................................................................................................................... 10

EQUALIZATION AND GAIN ......................................................................................................................................................... 10

6. PRODUCT SERVICE..................................................................................................................................................................... 11

1. INTRODUCTION

Thank you for purchasing one of the models in the XT range of products, and for your faith in us and our products. This product

will provide you many years of useful service with proper use and care. Please read this manual completely and become familiar

with the design and operation of this advanced active speaker system.

The XT Series of products is designed for both installation and portable, truly professional sound reinforcement systems. The XT

series of mid-hi cabinets are all passive, whilst the subwoofers are available in both active and passive versions. This manual will

concentrate on the active versions of the subwoofers.

The XT-15A and XT-18A Subwoofers feature a two-channel amplifier which delivers 500w (XT-15A) or 725w (XT-18A) to the

onboard transducer, and a further 500w (XT-15A) or 275w (XT-18A) to a Speakon connector on the rear panel, so it can be

connected a mid-hi cabinet from the XT Series, or the 3LINE-C enclosure.

The XT range of products are suitable for both portable and fixed installation indoor environments such as night clubs, pubs,

meeting halls and general live performance applications.

3

2. SPECIFICATIONS

Model

XT-8

XT-10

XT-12

XT-15

XT-15P SUB

XT-15A SUB

XT-18P SUB

XT-18A SUB

Type

Passive 2-Way

Passive

Subwoofer

Active

Subwoofer

Passive

Subwoofer

Active

Subwoofer

Woofer Size

8"

10"

12"

15"

18"

Woofer Voice

Coil

2"

2.5"

3"

4"

Compression

Driver Size

1"

N/A

Throat Size

1"

1.75"

N/A

Cabinet

Construction

Plywood with

PU

Plywood with

PU

Plywood with

PU

Plywood with

PU

Plywood with

PU

Plywood with

PU

Plywood with

PU

Plywood with

PU

Handles

1

3

2

Top Hat

1 Top Hat

Receptacle

1 Top Hat

Receptacle

1 Top Hat

Receptacle

1 Top Hat

Receptacle

1 x M20

Pole Mount

1 x M20

Pole Mount

1 x M20

Pole Mount

1 x M20

Pole Mount

Weight

10kg/22lbs

13kg/28.7lbs

18.6kg/41lbs

26kg/57.3lbs

29kg/63.9lbs

31kg/68.3lbs

42kg/92.6lbs

44kg/97lbs

Dimensions

429 x 246 x

275mm/

16.9 x 9.7 x

10.8inches

485 x 290 x

331mm/

19.1 x 11.4 x

13inches

583 x 332 x

338.4mm/

23 x 13.1 x

13.3inches

583 x 332 x

338.4mm/

23 x 13.1 x

13.3inches

536 x 420 x

588mm/

21.1 x 16.5 x

23.2inches

536 x 420 x

588mm/

21.1 x 16.5 x

23.2inches

538 x 650 x

650mm/

21.2 x 25.6 x

25.6inches

538 x 650 x

650mm/

21.2 x 25.6 x

25.6inches

Acoustic

Specifications

Sensitivity

92dB

93dB

95dB

97dB

N/A

98dB

N/A

Frequency

Response -

3dB

80-18kHz

75-18kHz

70-18kHz

65-18kHz

45Hz-120Hz

40Hz-100Hz

Frequency

Response -

10dB

65 - 20kHz

60-20kHz

55-20kHz

50-20kHz

40Hz-150Hz

35Hz-80Hz

Power

Handling

200w

Continuous;

800w Peak

200w

Continuous;

800w Peak

250w

Continuous;

1000w Peak

400w

Continuous;

1600w Peak

500w

Continuous;

2000w Peak

N/A

600w

Continuous;

2400w Peak

N/A

Max SPL

Continuous

116dB

117dB

119dB

121dB

127dB

(Half Space

Environment)

127dB

(Half Space

Environment)

130dB

(Half Space

Environment)

128dB (Half

Space

Environment)

Max SPL Peak

122dB

123dB

125dB

127dB

133dB

136dB

134dB

Dispersion

90 x 65

90 x 40

Omni

directional

Omni

directional

Omni

directional

Omni

directional

Electrical

Specifications

Impedance

8 Ohms

N/A

8 Ohms

N/A

Input

Connectors

Speakon

Connector

Speakon

Connector

Speakon

Connector

Speakon

Connector

Speakon

Connector

Line XLR

Speakon

Connector

Line XLR

Link

Connectors

Speakon

Connector

Speakon

Connector

Speakon

Connector

Speakon

Connector

Speakon

Connector

Line XLR

Speakon

Connector

Line XLR

4

Output

Connectors

None

Hi Pass

Speakon

Output

None

Hi Pass

Speakon Output

Controls

N/A

Rotating

Knob

N/A

Rotating Knob

Preset

Control

N/A

Preset

Selection

(8 Presets);

Connection

to XT

Software

N/A

Preset

Selection

(8 Presets);

Connection to

XT Software

Power

Output

N/A

500w @ 1%

THD to 2

Channels

N/A

500w @ 1% THD

to 2 Channels

Amplifier

Type

N/A

Class D with

Switch Mode

Power Supply

N/A

Class D with

Switch Mode

Power Supply

Protection

N/A

Turn On

Delay; Short

Circuit

Protection;

DC Voltage

Protection;

Peak Voltage

Limiter; Over

Temperature

Protection;

RMS Limiter

N/A

Turn On Delay;

Short Circuit

Protection; DC

Voltage

Protection; Peak

Voltage Limiter;

Over

Temperature

Protection; RMS

Limiter

Indicators

N/A

Power LED;

Clip LED;

Signal LED

N/A

Power LED;

Clip LED;

Signal LED

* NOTE: Max Acoustic Output is based on smoothed system response, not peak driver response.

P.Audio is continually looking to improve products, so specifications are subject to change without notice.

5

3. SETUP AND USE OF THE XT PRODUCTS

3.1. AC MAINS CONNECTION

NOTE: The powered models in the XT series use an automatic switching power supply. ONLY the 3 pin mains power

lead supplied with the unit may be used. DO NOT SUBSTITUTE AC MAINS POWER CONNECTION LEADS.

Prior to connecting the AC mains cable, ensure that the AC mains switch is in the OFF position. The XT range of products will

operate on AC mains voltages of 115 volts to 230 volts. The required AC mains frequency is between 45 Hz and 65 Hz. The

acceptable voltage range is 85VAC-265VAC. The amplifier’s switch mode power supply (SMPS) will automatically adjust to the

mains voltage present.

The powered XT enclosures use a standard IEC type connector system. To mate the AC mains cable with the AC mains connector

on the amplifier, simply align the plug with the panel’s connector, and push into the connector. Always support the enclosure with

one hand whilst performing this operation. The AC mains connector is shown above. To disconnect the cable end of the AC mains

connector, pull back on the plug to remove. Do not pull on the cable.

NOTE: ALWAYS turn off the AC mains power BEFORE attempting to disconnect the AC mains cable from the XT amplifier

module!

6

NOTE: DO NOT CONNECT THE AC MAINS END OF THE AC MAINS CABLE IN AN AREA THAT IS WET OR SUBJECT TO

CONDENSATION OR DAMP CONDITIONS!

Once the AC mains cable is securely connected to both the amplifier and AC mains supply, the amplifier may be turned on. It is

good practice to make certain that the audio levels on the mixer’s output (or other source output) are reduced or muted prior to

applying power. The pilot light is located on the rear panel.

NOTE: If the pilot light does not illuminate within 30 seconds the unit may be in a FAULT CONDITION. If this occurs, the

unit should be returned to P.Audio for evaluation.

THERE ARE NO USER-SERVICABLE PARTS INSIDE. DO NOT REMOVE THE AMPLIFIER MODULE! (See the section below

“Replacement of Components” for more detailed information).

3.2. AUDIO

CONNECTIONS

The XT amplifiers include both male and female XLR-type connectors, and speakon connectors. Any standard XLR-type cable end

connectors may be used.

The image below illustrates the inputs found on the amplifier plate. Line Input and Line Output (THRU) are shown. All the necessary

EQ is provided in the on board pre amp. A line level input of voltage 0.775v will drive the on board amplifiers to full power.

The XT input section also allows for “paralleling” multiple powered enclosures together. This function is achieved by using the Line

Output XLR-type connector located next to the input XLR-type connector on the amplifier module.

The output level can be

controlled using the level control knob, or using remote software (see section REMOTE SOFTWARE).

The preset EQ may be adjusted to match one of the cabinets in the XT series (presets 1-4), the 3LINE-C enclosure (Preset 5), user

presets adjusted with the remote control software (presets 6,7) or pink noise (preset 8). The pink noise preset is useful as a locator

in case the knob is lost, and also for system set up.

7

4. REMOTE SOFTWARE – XT SERIES

The remote control software enables the user to adjust EQ, delay, polarity, noise gates and other aspects of the XT series

enclosures performance. Once the unit is connected to the computer, any changes made on the computer will become active,

but will NOT be saved onto the amplifier, until the preset is stored onto the XT series amplifier.

4.1. HARDWARE REQUIREMENTS

Essential:

Windows computer running windows XP or newer operating system. At this time, compatibility with windows 8.1 is not

guaranteed.

Spare hard drive space of 50MB

Recommended:

RAM

2GB

Operating System

Windows 7

Processor

Dual core 2gHz or higher

4.2. COM CABLE

The COM cable is an accessory, available from P.Audio, which allows the user to take

control of the XT series amplifiers from any windows based PC. Upon connecting

the COM cable and opening XT software, a dialog screen will appear checking

options for connecting to the device in question. To ensure communication occurs

on the right COM cable, this must be selected from the drop down list.

For linking between amplifiers, standard CAT5 type cabling can be used.

To connect the COM cable to the XT series amplifiers, simply connect the USB plug

to the windows computer, and plug the other end into the socket on any available

XT series amplifier. Ensure to align the plug correctly and do not exert too much

force onto the USB plug.

4.3. ID

Once the required amplifiers are all linked together, the software can be started.

To start the software, click start All Programs  XT SERIES  XT SERIES

Application.

Once the COM cable is chosen, the software needs to know which units to

communicate with. ID for XT series amplifiers as set by the factory range from 1-

32, although the user to is free to change this as they see fit with the ‘configure ID

Device’ utility. The software can communicate with a maximum of 32 units at

once.

Once all is set up, press OK and the software will launch.

8

4.4. CONTROLLING THE XT SERIES SPEAKERS

Once the software is up and running, all connected speakers will be seen in the ID list to the left hand side of the screen. All

parameters available to the user will be available by double clicking the device required to monitor, and the parameters screen

will be displayed.

Across the top of the parameters window, there are several options available to the user:

Load – Allows loading of a preset file from a storage location such as the computer hard drive.

Save – Allows saving of the current parameters to a file in a storage location such as the computer hard drive.

Store – Allows storing of the current parameters to a preset location on the amplifier. Locations are provided to the user to enable

this, and avoid writing over any factory presets. Once a preset is overwritten, the original preset file must be used to recover the

data.

Recall – Loads a preset from the amplifier memory, remotely. This allows presets to be changed on units in inaccessible locations.

However, once the COM cable is removed, the unit will revert back to the preset as indicated by the knob on the unit itself.

Name Device – This allows the user to change the name for each device, and this is stored in the amplifier memory. The name

will also be changed in the ID list to allow for easy identification.

From the parameters page, the following parameters can be adjusted:

Input Source – Allows the user to select between a noise source and the analog input. The noise source is especially useful when

tuning the system to a particular room, or for fault finding.

Noise Generator – Provides level control and noise type when noise generator is selected as the input.

Phase – Polarity switching is allowed with the option of 0 or 180 degrees.

Delay – Delay can be specified in both time and distance. Delays for low and high, and system delay are available.

9

DLF – DLF is a set of filters tuned specifically to make recorded music sound more dynamic at low levels. In the ‘music’ presets on

the amplifier, this option is turned on.

High Pass Filter – All of the cabinets already have a high pass filter programmed in, but an extra high pass filter is provided to the

user for crossover, or extra subsonic filtering.

5 Band Parametric EQ – Q factors up to 10 are available to give the user complete control over the sound of their system.

Mute – Controls for system mute, and low and high mute are available to the user.

4.5. PROTECTION

In installation, or when the operator is away from the desk, it is understandable that protection will be desired to ensure other

users do not get unwanted access. If the LOCK button is pressed, a password prompt will be shown.

To block use to all features of the software (only signal monitoring will be seen), please use the password: dspamp

For advanced users only (not recommended): to gain access to the individual processing for the transducer components, please

use password: outamp

For very advanced users only (not recommended): to gain access to master compressor/limiter settings, please use password:

limamp

For standard use, presets 1-4 and 8 are locked by the factory. Should the user wish to store any additional presets, it is possible

to do so in slots 5,6,7. This is done by editing the preset as required, and pressing the store button. Attempting to store the preset

in any other slot will result in an error message.

10

5. APPLICATION AND TROUBLE SHOOTING TIPS

The XT Series makes up components of a high-quality professional sound reinforcement system designed for use in both indoor,

and dry outdoor applications. Some basic precautions will insure long-term reliability.

EQUALIZATION AND GAIN

The XT-15A SUB and 18A SUB have all the required equalization and gain functions included in the digital signal processing circuits.

Both the equalization and gain functions have been optimized for flat frequency response and maximized system dynamics.

If distorted sound is heard the gain and EQ settings on the outboard mixer and any other external equipment should be carefully

checked to ensure that the input section of the XT enclosure is not overloaded.

If additional equalization is required, care should be taken to avoid excessive EQ in any frequency band, but particularly at low

frequencies. Excessive equalization can produce “band selective” clipping and distortion. All EQ boost levels should be monitored

if system distortion is present.

PROBLEM: Distorted sound

When input levels to the XT amplifiers exceed 0.775 V RMS for line level inputs it is possible to produce system clipping or

overdrive. It is still possible to “overdrive” the input section of the enclosure. If distorted sound is present the following steps

should be taken:

1. Verify that the mixer’s output is not clipping or overloaded. If the output metering section of the mixing console is

continuously in the “red” then the output level should be reduced. (occasional “red” indications are usually fine and are

dependent on the mixing console’s output capability).

2. Verify that excessive equalization is not present anywhere in the signal chain.

3. Verify that AC mains levels are within the required range.

Voltage measurements on the AC Mains should be performed by a licensed electrician or individual trained in making

high-voltage measurements.

PROBLEM: No sound from active units

1. Verify that the amplifier pilot light is on.

2. Verify that there is AC Mains voltage on the AC Mains input to the amplifier.

NOTE: NOT DO ATTEMPT TO REPLACE THE FUSE. THERE ARE NO USER SERVICABLE PARTS INSIDE THE XT SERIES

AMPLIFIERS.

11

6. PRODUCT SERVICE

The XT amplifier module MUST be serviced by a company authorized by P. Audio.

Replacement of Components

REPLACEMENT OF COMPONENTS MUST BE PERFORMED BY A QUALIFIED TECHNICIAN OR ONE KNOWLEDGABLE IN THE

REPLACEMENT OF TRANSDUCER COMPONENTS!

DO NOT ATTEMPT ANY REPAIRS UNLESS THE XT SERIES AMPLIFIER HAS BEEN DISCONNECTED FROM THE AC MAINS

SOURCE!

In the event of woofer failure, the woofer may be accessed by removing the front grille and then removing the drive

unit. This should be done by a qualified technician or contractor. There is no need to remove the amplifier panel in the

event of a woofer failure.

USE EXTREME CARE WHEN HANDLING THE XT AMPLIFIER MODULES. THE COMPONENTS ARE FRAGILE AND THE MODULE MUST

NOT BE SET DOWN ON THE COMPONENT SIDE OR DAMAGE WILL OCCUR!

NOTE: The powered models in the XT series feature an internal fuse to protect the power amplifier. THE INTERNAL FUSE

IS NOT USER REPLACABLE. UNDER NO CIRCUMSTANCES SHOULD THE AMPLIFIER PANEL BE REMOVED FROM THE

CABINET.

Care should be exercised when disconnecting the amplifier module from both the woofer. Be sure to observe the wiring polarity

of the woofer.

Thank you once again for purchasing this P.Audio product. P.Audio is a manufacturer of a complete range of Loudspeaker systems,

individual components and accessories. For more information regarding any of P.Audio’s products or advice on how to set up and

use this product, please do not hesitate to use the contact details on the following page to contact us.

Please scan this QR code for quick access

to the P.Audio website.

P Audio System Co., Ltd. 19/4 Moo 2 T.Bangkratuk

A.Samparn , Nakornpathom. 73210,Thailand

Tel: +66-2-441 6600 (Auto 30 Lines)

Fax: +66-2-441 6699

e-mail: info@paudiothailand.com

www.paudiothailand.com

P.Audio U.S.

div. of One Systems, Inc.

2000 Glen Echo Rd., STE 103

Nashville, TN 37215

Tel: +1-615-823-1655

Fax: +1-615-261-1429

Email: info@onesystems.com

www.paudious.com and www.onesystems.com

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