Turbosound TXD-215, TXD-118, TXD-081, TXD-115, TXD-218 User Manual

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Quick Start Guide

TXD series

Models covered by this Quick Start Guide

TXD-081, TXD-121, TXD-151, TXD-252, TXD-12M, TXD-15M, TXD-115, TXD-215, TXD-118, TXD-218.

Thank you for choosing a TURBOSOUND TXD series loudspeaker product for your application. If you would like further information about this or any other TURBOSOUND product, please contact us. A detailed user manual on this product is available on our web site at www.turbosound.com

Unpacking the TXD series loudspeaker

After unpacking the unit please check carefully for damage. If damage is found, please notify your supplier at once. You, the consignee, must instigate any claim. Please retain all packaging in case of future re-shipment.

System Requirements – Passive Models

TXD series loudspeakers, with the exception of the TXD-252 and TXD15M, are passive systems, and require only one amplifier channel for correct operation, the frequency splitting between the LF driver and the HF driver being accomplished by the internal passive crossover network built into each enclosure. These models are equipped with Neutrik Speakon NL4MP connectors for both input and parallel connections. Pins 2+ and 2- are not used for passive connections. Always observe the correct polarity as shown.

Passive connections

(Pins 2+ and 2- not connected)

LF -ve

LF +ve

System Requirements – Bi-amped Models

The TXD-252 and TXD-15M are switchable passive/bi-amp systems, and when used in bi-amp mode require two amplifier channels and an external electronic crossover for correct operation. These models are equipped with a single switchable Neutrik Speakon NL4MD-V-S connector (in addition to two regular NL4MP connectors for passive mode), with pins 1+ and 1- being used for the low frequency amplifier and pins 2+ and 2- for the high frequency amplifier. Always observe the correct polarity as shown.

HF +ve

HF -ve

Bi-amp connections

LF -ve

LF +ve

Using Passive Loudspeakers with Subwoofers

TXD series subwoofers are equipped with internal passive crossover networks which enable a system of, for example, TXD-121 and TXD-115 units to be configured together as a full-range system without the need for external electronic crossovers or additional power amplifiers. The subwoofer’s internal crossover filters high frequency signals out of the subwoofer cabinet to ensure a clean transition.

Amplifier considerations

TXD speaker enclosures should be driven by high quality power amplifiers designed for true professional use. Amplifiers should be capable of delivering long term broadband power equal to the loudspeaker’s program power rating at the stated nominal impedance. Always operate your power amplifiers at maximum gain for the best headroom and signal/noise ratio, controlling the overall system volume from the mixing console. The use of under-powered amplifiers must be avoided as heavily clipped signals can cause permanent loudspeaker damage.

RECOMMENDED AMPLIFIER POWER RATING

The amplifier’s rated r.m.s. continuous power output (20Hz – 20kHz, each channel)

should be equal to the loudspeaker’s program power handling at its nominal impedance.

TXD Quick Start Guide - Page - 1

Turbosound TXD-215, TXD-118, TXD-081, TXD-115, TXD-218 User Manual

Quick Start Guide

TXD series

System Controllers

The Turbosound LMS-D24 is a high quality 2-in, 4-out digital crossover designed and pre-configured for use with TXD loudspeakers. This enables you to assemble sound reinforcement systems ranging from a simple two-channel live performance rig or monitor system up to a multi-zone nightclub or entertainment venue.

Passive systems without sub-bass

FROM MIXER

L

R

L

EQ

R

POWER AMPLIFIER

TXD-121

Connect the left and right mixer outputs, via a graphic equaliser if required, to one channel each of a stereo power amplifier. Connect a TXD speaker to each amplifier channel with suitable speaker cable terminated with a Speakon NL4 connector. A second TXD speaker (shown with a dotted line) can be connected to each amplifier channel via the loudspeaker’s parallel link connector up to a maximum of two per channel.

Passive systems with sub-bass

FROM MIXER

L

 

 

 

R

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EQ

R

POWER AMPLIFIER

TXD-115

TXD-151

Low frequency enclosures can be used to extend system low frequency response, without the need for additional amplifier channels or external electronic crossovers. A full range system consisting of, for example, TXD-151 and TXD-115 enclosures can be powered from a single stereo power amplifier as shown. Connect first to the bass cabinets and then link out to the top cabinets via the parallel link connector.

TXD Quick Start Guide - Page - 2

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