Mackie TH-18S manual

OWNER’S MANUAL 18” P ower ed Subwoofer TH-18s[...]

2 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 a 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[...]

Part No. SW0786 Rev . A 01/10 ©2010 LOUD T echnologies Inc. All Rights Reserved. 3 Wha t? Me re ad a manual? Before you begin, please make sur e you r ead the Safety Instructions on page 2 and Getting Started on page 4. Y our new Mackie TH-18s powered subwoofers are designed to set up quickly and operate easily . W e know it’s often seen as a si[...]

4 Getting Started The following steps will help you set up your subwoofer(s) quickly . INITIAL SETTINGS: 1. T urn the LEVEL control on the rear panel all the way down. 2. T urn the POWER switch OFF . CONNECTIONS: 1. Connect the line-level signal from a mixer (or other signal source) to the INPUT jack on the TH-18s rear panel (XLR connector). If you[...]

5 Introduction Thank you for choosing the Mackie Thump TH-18s subwoofer . Mackie’s Thump Series powered loudspeakers achieve the perfect balance of power , portability , and most importantly , value. Designed by the same team that produced the best-selling Mackie SRM450v2, Thump Series loudspeakers deliver real power in a design that is extremely[...]

6 Main P A System with two subwoofers and two powered loudspeakers MO N MAIN 4 3 2 15 /6 7/ 89 /1 01 1/12 TH-18s TH-18s Right Main Powered Loudspeaker (Mackie SRM450v2 shown) Left Main Powered Loudspeake r (Mackie SRM450v2 shown) Pole Mount High Pass O utput Pole Mount High Pass O utput F rom Mixe r Left Output F rom Mixe r Right Output Mixing Cons[...]

7 Daisy-chaining two subwoofers MO N MAIN 4 3 2 15 /6 7/ 89 /1 01 1/12 TH-18s TH-18s F rom Mixe r Output TH-18s Subwoofer 1 Full-Rang e Output TH-18s Subwoofer 2 Mixing Console (Mackie P roFX12 shown) 123 4 TH-18s TH-18s TH-18s TH-18s F rom Mixe r Left Output F rom Mixe r Right Output TH-18s Left Subwoofer 1 TH-18s Left Subwoofer 2 TH-18s Right Sub[...]

8 M a c k i e T H - 1 8 s F e a t u r e s 2. POWER Press up on this switch to turn the TH-18s subwoofer on. The power LED [11] above the LEVEL knob [7] illuminates when the POWER switch is on and AC power is available at the linecord socket. Press the bottom of this switch to put the subwoofer into standby mode. It will not function, but the circui[...]

9 3. INPUTS Balanced XLR female connectors ar e provided for the left and right inputs. Connect the full-range line-level signal from the mixer or other signal source to these input jacks. If you are connecting a single subwoofer output, or LFE (low-frequency effects) output to the subwoofer , you may use either the A or B input connector . CAUTION[...]

10 7. LEVEL The LEVEL control adjusts the overall signal level at the input to the built-in power amplifier . It ranges from -6 dB to +6 dB (maximum gain), with unity gain at the center position (12 o’clock). The control has no effect on the level of the high- pass outputs [5] or the full-range outputs [4]. 8. THERMAL LED The TH-18s is equipped [...]

11 The Ins and Outs of Polarity Mackie’s Thump TH-18s subwoofer includes a switch that allows you to quickly invert the polarity of the sub- woofer’s output r elative to the input signal it is receiving from the mixer or other sound source. But what exactly does that mean? A subwoofer works by literally pumping air as the woofer cone moves in a[...]

12 Placement The TH-18s subwoofer is designed to sit on the floor or stage. It is not designed to be pole-mounted or suspended. When pole-mounting loudspeakers, be sure that the TH-18s subwoofers are stabilized and secur ed from falling over or being accidentally pushed over . For stacked scenarios, it is highly suggested that straps are utilized.[...]

13 Appendix A: Ser vice Information If you think your Mackie product has a problem, please check out the following troubleshooting tips and do your best to confirm the problem. Visit the Support section of our website (www .mackie.com/support) to get some ideas or contact our technical support heroes. Y ou may find the answer to the problem witho[...]

14 Noise/Hum • Checkthesignalcablebetweenthemixerand the subwoofer . Make sure all connections ar e secure. These problems usually produce crackling noises or hum. • Ifyouareusingtwoormor eTH-18spowered  subwoofers, try plugging them all into the same AC outlet panel or outlet st[...]

15 A p p e n d i x B : Connections XLR Connectors The TH-18s has two female XLR input jacks that accept balanced li n e- le ve l s i gn al s. Whe n c on ne c ti ng a b al an ce d signal, be sure it’ s wired per AES (Audio Engineering Society) standards: XLR Pin 1 – Shield (Ground) Pin 2 – Hot (+) Pin 3 – Cold (–) Y ou should use high-qual[...]

16 Appendix C: TH-18s Specifications Construction F eatur es Basic Design: T rapezoidal Material: V oid-free plywood Finish: T ext ured blac k cat alyze d polyurethane paint Handles: One on each side Grille: Perforated metal Physical Pr operties Height: 24.1 in / 612 mm Front W idth: 20.2 in / 513 mm Rear W idth: 15.1 in / 383 mm Depth: 25.3 in / [...]

17 TH-18s 24.1 in / 612 mm 25.3 in / 643 mm 20.2 in / 513 mm W E I G H T 73 lb 33.1 kg 15.1 in / 383 mm Correct Disposal of this product: This symbol indic ates t hat thi s prod uct sh ould n ot be d ispose d of w ith you r hous ehold waste, accor ding to the W EEE Dire ctive ( 2002/9 6/EC) and you r nati onal l aw. Thi s prod uct sh ould b e hande[...]

16220 W ood-Red Road NE • Woodinville, W A 98072 • USA United States and Canada: 800.898.3211 Europe, Asia, Central and S outh America: 425.487 .4333 Middle East and Africa: 31.20.654.4000 F ax: 425.487 .4337 • www .mackie.com E -mail: sales@mackie.com[...]