Turbosound TSB-212 Manuel utilisateur

TSB-212

SUB-BASS LOUDSPEAKER

QUICK START GUIDE

Turbosound Ltd.

Star Road, Partridge Green

West Sussex RH13 8RY England

Tel: +44 (0)1403 711447 Fax: +44 (0)1403 710155

web: www.turbosound.com

Version 1.0 ©Turbosound 4/05

quick start

TSB-212

TSB-212 quick start guide

Page 2

The TSB-212 is a general purpose band-pass subwoofer designed to add low frequency

reinforcement to Turbosound loudspeakers from the IMPACT, TCS, TXD, and TQ ranges.

It utilises two very high excursion 12” low frequency drivers connected in parallel to give a

combined impedance of 4 ohms. These drivers are housed in a 15mm (5/8”) birch plywood

enclosure with stacking feet, multiple M10 internal rigging points and a perforated steel grille.

Input and link connections are provided via a pair of Speakon NL4 connector located on a recessed

panel at the rear of the cabinet.

Amplifier considerations

Turbosound speaker enclosures should be driven by high quality power amplifiers designed for

true professional use. Such amplifiers will have balanced inputs, DC and RF fault protection, and

well designed cooling systems for reliability. Turbosound power amplifiers such as the T-45 and T-

25 are recommended for this purpose.

The program power listed in the loudspeaker’s technical specification is the best guide to the size

of amplifier required for general purpose applications. The amplifier should therefore be capable

of delivering long term broadband power equal to the loudspeaker’s program power rating at the

loudspeaker’s stated nominal impedance. This approach allows sufficient headroom to generate

good dynamic range.

In general, the more powerful the amplifier, the better it will sound, provided that it is not driven

into sustained clipping. It should be understood that overdriving an insufficiently powered

amplifier is more likely to cause loudspeaker damage – the total energy in a heavily clipped signal

is far higher than in an unclipped signal – than operating a more powerful amplifier within its

ratings.

RECOMMENDED AMPLIFIER POWER RATINGS:

The amplifier's rated r.m.s. continuous power output (20Hz – 20kHz, per

channel) should be equal to the program power handling of the

loudspeaker at its nominal impedance.

The TSB-212 is rated at 800 watts r.m.s., 1600 watts program and the impedance is 4 ohms. It

should be used with an amplifier capable of delivering long term power of 1600 watts at 4 ohms.

Crossovers

The TSB-212 should be used with a professional quality external electronic crossover providing a

24dB/octave low-pass filter at 125Hz and a 24dB/octave high-pass Butterworth filter at 30Hz, and

limiting functions. Turbosound LMS series loudspeaker management systems are recommended

for this purpose.

quick start

TSB-212

TSB-212 quick start guide

Page 3

Placement

Single TSB-212 units can generally be placed

inconspicuously virtually anywhere in a room, and

in particular can be concealed under seating or in

custom-built enclosures. Locating the subwoofer

against a wall or in a corner is recommended.

When using multiple subwoofers it is preferable

to stack these in a block in order to take advantage

of mutual coupling between units, which will

result in improved bass response and a lower cut-

off frequency. Speakon cable interconnects are

neatly routed at the rear of the box, allowing a

stack to be placed directly against a wall.

Speakon pin connections

The Speakons are wired as shown below

Technical Specifications

Dimensions 420mm x 1000mm x 470mm (16.5” x 39.4” x 18.5”)

Net Weight 47kgs (103.4lbs)

Frequency Response 38Hz to 200Hz @±4dB (useful to 30Hz)

Power Handling 800 watts r.m.s., 1600 watts program

Impedance 4 ohms nominal

Sensitivity 100dB, 1 watt @ 1 metre

Calc Max SPL 132dB continuous, 138dB peak

Recommended Crossover 24dB/ocatve low-pass at 125Hz, 24dB/octave Butterworth

high-pass at 30Hz

Construction 15mm (5/8”) birch plywood

Rigging 16 x M10 internal rigging points

Options TurboBlue or white semi-matt textured paint

Spares & Accessories LS-1220 12” LF driver

RC-1220 recone for LS-1220

FrontBack

Speakon pin wiring

Pin 1+ positive

Pin 1- negative

Pin 2+ N/C

Pin 2- N/C

bass amplifier

mid-high amplifier

bass amplifier

quick start

TSB-212

TSB-212 quick start guide

Page 4

WARRANTY

Limited Warranty

This Turbosound loudspeaker product is warranted to the original end-user purchaser and all

subsequent owners for a period of two (2) years for loudspeakers from the original date of

purchase.

Warranty Coverage

Warranty coverage includes defects in materials and workmanship. It does not include:

•damage caused by accident, misuse, abuse, neglect or modification by any person other

than an authorised Turbosound representative,

•damage caused by failure to operate the product in accordance with the instructions

contained in the user manual,

•damage occurring during shipment in transit,

•claims based on any misrepresentation by the seller,

•products which do not have the original components as specified in the product

engineering information,

•products on which the serial number has been removed or defaced.

Shipping

Should any fault develop with a component of your Turbosound system, please return the

product, freight pre-paid, in its original packing carton, along with proof of purchase such as the

original bill of sale or receipted invoice, and a description of the suspected fault to Turbosound

Ltd. (Att: Customer Service), or your local authorised Turbosound representative. The product

serial number must be quoted in all correspondence relating to the claim. Insurance is

recommended, as Turbosound or its representatives are not liable for loss or damage in transit.

Turbosound will pay for return freight costs should repairs be covered under warranty.

Turbosound Ltd., Star Road, Partridge Green, West Sussex RH13 8RY UK

t: +44 (0)1403 711447 f: +44 (0)1403 710155 www.turbosound.com

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