TXD-252

T X D S E R I E S E N G I N E E R I N G I N F O R M A T I O N

The TXD-252 is a switchable passive/biamp fullrange loudspeaker enclosure designed for use in a wide variety of live sound, fixed installation and mobile DJ applications as well as in pubs, bars and nightclubs.

It consists of two 15” reflex-loaded low frequency drivers and a 3” diaphragm high frequency driver on a rotatable 80°H x 50°V

Converging Elliptical Waveguide™. The loudspeaker components are matched with an internal passive crossover network which can easily be bypassed for bi-amplified operation.

The high frequency horn can be rotated through 90° to allow a swap of the horizontal and vertical coverage patterns.

This allows the cabinet to be suspended either horizontally or vertically in permanent installations using the M10 rigging points provided on the sides, top and rear of the cabinet.

The trapezoidal cabinet is constructed from

15mm (5/8”) birch plywood, screwed and glued together for maximum rigidity, and is finished in TurboBlue™ semi-matt textured paint (black textured paint is optionally available). Six recessed flush handles are provided for easy lifting and carrying and the rear of the cabinet is pre-drilled for optional T4 wheels. Four rubber feet are fitted to the bottom of the cabinet, and a grey powder-coated perforated steel mesh grille protects the drive units from damage.

Two Neutrik Speakon NL4MP speaker connectors are provided on the rear panel for passive input and parallel connections.

An additional switched Speakon NL4 connector allows the TXD-252 to be used in biamplified mode.

d a t a s h e e t

TXD-252

FEATURES

Full range enclosure

High output

Passive/bi-amp

CEW™ waveguide

Rotatable HF horn

M10 rigging points

Trapezoidal cabinet

APPLICATIONS

Live sound

Mobile DJ

Fixed installations

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TXD-252

T X D S E R I E S E N G I N E E R I N G I N F O R M A T I O N

DIMENSIONS (HxWxD)

NET WEIGHT

COMPONENTS

FREQUENCY RESPONSE 1

NOMINAL DISPERSION

POWER HANDLING

SENSITIVITY

CALC. MAXIMUM SPL

CROSSOVER

NOMINAL IMPEDANCE

CONSTRUCTION

GRILLE

CONNECTORS

FLYING HARDWARE

SPARES AND

ACCESSORIES

3

1220mm x 540mm x 434mm (48” x 21.3” x 17.1”)

49kg (107.8lbs)

2 x 15” (381mm) LF drivers, 1 x 3” voice coil HF compression driver

44Hz - 17kHz ±4dB

80°H x 50°V rotatable waveguide allows swap of horizontal and vertical pattern passive: 1000 watts r.m.s., 2000 watts program

Recommended amplifier power 2000 watts @ 4 ohms bi-amp: LF 1000 watts r.m.s., 2000 watts program @ 4 ohms;

HF 160 watts r.m.s., 320 watts program @ 8 ohms

97dB, 1 watt @ 1 metre

127dB continuous, 133dB peak

Passive: 12dB/octave high-pass and low-pass at 1kHz

Active: 24dB/octave Linkwitz-Riley @ 1kHz

4 ohms passive; HF: 8 ohms, LF: 4 ohms (biamped mode)

15mm (5/8”) birch plywood enclosure. Finished in TurboBlue™ semi-matt textured paint

(optional black textured paint). Six recessed carrying handles. Pre-drilled for T4 wheels.

Heavy duty powder coated perforated steel mesh

Passive mode: (2) Neutrik Speakon NL4MP, wired pin1+: positive, pin1-: negative, pins2+ and

2- N/C. Biamped mode: (1) Neutrik Speakon NL-4MDVS, wired pin1+: LF positive, pin1-: LF negative, pin2+: HF positive, pin2-: HF negative

(9) M10 internal threaded rigging points

LS-1522

RC-1522

CD-212

RD-212

T4 wheel kit

MG-252/X

PX-252/X

15” (381mm) LF loudspeaker

Recone kit for LS-1522

3” diaphragm compression driver

Replacement diaphragm for CD-212

Heavy duty wheels

Metal grille

Passive crossover network

Notes

1 Measured on axis

2 Average over stated bandwidth

3 Average over stated bandwidth

T X D S E R I E S E N G I N E E R I N G I N F O R M A T I O N

130

120

110

Fundamental

10% Power

Sensitivity

1W/1M

100

90

2nd Harmonic

10% Power

3rd Harmonic

10% Power

80

70

60

20 Hz 50 100 200

300

200

100

500

Frequency

1 kHz 2

Ref.

1.0%

5 10 20

0.2% d a t a s h e e t

TXD-252

FREQUENCY

RESPONSE

IMPEDANCE

4

2

1

16

10

8

20 Hz 50 100 200 500

Frequency

1 kHz 2 5 10 20

Impedance A constant current circuit was used to measure the impedance. Frequency response The frequency response shown was obtained by feeding a swept sine wave through the system in a half space environment. The position of the microphone was vertically on-axis at a distance of 1 metre. 2nd & 3rd Harmonic Distortion Distortion measurements were obtained using an Audio Precision harmonic distortion analysis system and comply with AES recommendations for enclosure measurement (ANSI S4-26-1984). Data Conversion All graphs were digitally generated using the APEX custom software system, designed to translate data derived from Audio Precision ‘System One’ test equipment into AutoCAD™.

This program enables graphical information to be plotted to a high degree of accuracy.

NOTES ON

MEASUREMENT

CONDITIONS

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TXD-252

T X D S E R I E S E N G I N E E R I N G I N F O R M A T I O N

HORIZONTAL THIRD

OCTAVE POLARS

330

°

30 330

°

°

30

°

60 30

0°

300

°

°

60

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

0°

12

°

120

240

°

315 Hz

400 Hz

500 Hz

210

°

330

°

300

°

°

150

°

30

°

60

240

°

630 Hz

800 Hz

1 kHz

210

°

330

°

300

°

°

150

°

30

°

60

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

°

120

°

120

240

°

1.25 kHz

1.6 kHz

2 kHz

210

°

330

°

300

°

°

150

°

30

°

60

240

°

2.5 kHz

3.15 kHz

4 kHz

210

°

330

°

300

°

°

150

°

30

°

60

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

°

120

°

120

240

°

5 kHz

6.3 kHz

8 kHz

210

°

°

150

240

°

10 kHz

12.5 kHz

16 kHz

210

°

°

150

T X D S E R I E S E N G I N E E R I N G I N F O R M A T I O N

330

°

30 330

°

°

30

300

°

°

60 300

°

°

60

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

0°

12

°

120

240

°

315 Hz

400 Hz

500 Hz

210

°

330

°

300

°

°

150

°

30

°

60

240

°

630 Hz

800 Hz

1 kHz

210

°

330

°

300

°

°

150

°

30

°

60

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

°

120

°

120

240

°

1.25 kHz

1.6 kHz

2 kHz

210

°

330

°

300

°

°

150

°

30

°

60

240

°

2.5 kHz

3.15 kHz

4 kHz

210

°

330

°

300

°

°

150

°

30

°

60 d a t a s h e e t

TXD-252

VERTICAL THIRD

OCTAVE POLARS

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

10

270°

0 10 20 30 40

40 30 20 10 0

10

90°

°

120

°

120

240

°

5 kHz

6.3 kHz

8 kHz

210

°

°

150

240

°

10 kHz

12.5 kHz

16 kHz

210

°

°

150 page 5

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TXD-252

T X D S E R I E S E N G I N E E R I N G I N F O R M A T I O N

INSTALLATION AND

RIGGING HARDWARE

The cabinet is fitted with three internal M10 threaded rigging points on the top and rear which enable single enclosures to be permanently installed using M10 shoulder eyebolts with a minimum thread length of 20mm. Downward inclination of the enclosure is achieved by adjustment of the rear rigging point

M10 Eyebolts

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TXD-252

T X D S E R I E S E N G I N E E R I N G I N F O R M A T I O N

ARCHITECTURAL

& ENGINEER’S

SPECIFICATIONS

The speaker shall be of the switchable passive/biamped full range type consisting of two 15”

(381mm) low frequency drivers and one 3” diaphragm high frequency compression driver on a rotatable 80° x 50° Converging Elliptical Waveguide™. Performance specifications of a typical production unit shall meet or exceed the following: frequency response, measured with swept sine wave input, shall be flat within ±4dB from 44Hz - 17kHz. Nominal dispersion, at -6dB points, shall average 80°H x 50°V. Nominal impedance shall be 4 ohms; bi-amp LF 4 ohms; HF 8 ohms. Power handling shall be passive: 1000 watts r.m.s., 2000 watts program; biamp LF 1000 watts r.m.s., 2000 watts program; HF 160 watts r.m.s., 320 watts program.

Sensitivity, measured with 1 watt input at 1 metre distance on axis, mean averaged over stated bandwidth, shall be 97dB. Maximum SPL (peak) measured with music program at stated amplifier input shall be 133dB. Dimensions: 1220mmH x 540mmW x 434mmD (48”H x

21.3”W x 17.1”D). Weight: 49kg (107.8lbs). The loudspeaker system shall be the Turbosound

TXD-252. No other loudspeaker shall be acceptable unless submitted data from an independent test laboratory verify that the above combined performance / size specifications are equalled or exceeded.

DIMENSIONS

393.6mm

[15.5"]

276mm

[10.9"]

434mm

[17.1"]

TOP

540mm

[21.3"]

BOTTOM

434mm

[17.1"]

1140mm

[44.9"]

1220mm

[48.1"]

TXD-252 Version 1.5 08/05

© Turbosound 2005

FRONT SIDE BACK

TURBOSOUND Ltd

Star Road Partridge Green West Sussex RH13 8RY England tel: +44 (0) 1403 711447 fax: +44 (0) 1403 710155 • www.turbosound.com