Mackie HRS120 инструкция обслуживания

HIGH RESOLUTION HIGH RESOLUTION HRS1 20 HIGH RESOLUTION POWERED SUBWOOFER OW NER ’ S M A NU A L 120 VAC, 60 Hz, 575 WATTS POWER ON POLARITY (N/A) LFE GAIN SUBSONIC FILTER SUBSONIC FILTER CROSSOVER CONTROLS FILTER SELECT FILTER BYPASS STAND ARD SET TINGS NORMAL 80Hz SUB SAT INPUT SENSITIVITY THX PM3 SE T TINGS POLARITY LFE GAIN CROSSOVER CONTROLS [...]

2 9. Power Sources — This Mackie product should be connected to a power supply only of the type described in these operation instructions or as marked on this Mackie product. 10. Power Cord Protection — Power supply cords should be routed so that they are not likely to be walked upon or pinched by items placed upon or against them, paying parti[...]

3 Part No. 0006802 Rev. C 06/03 ©2003 Mackie Designs Inc. All Rights Reserved. INTRODUCTION • The amplifier is designed to provide maximum acoustic output from the speaker, yet minimize the danger of speaker damage due to overdriving. • The connecting wire between the amplifier output and the low-frequency driver is kept to an absolute minimum[...]

4 For stereo and surround sound applications: 4. Set the POWER switch on the rear panel to the ON position. The red POWER LED will turn on. 5. T urn on the power to the other components in the system. 6. Start your signal source (tape deck, CD, DA W , or whatever), but leave the master volume control on your mixer or preamp down. 7. Adjust the mast[...]

5 SM S L A VE /MAS TER SL A V E IN INPUT / OUTPUT INPUT / OUTPUT MAS TER OUT LE F T IN OUT RI G HT IN OUT FOOT SWIT CH *MA X OPEN CIRCUIT 24 V *MA X CLOSED CIRCUIT 1A OPEN - SUB ON, L/R BASS MANAGED CLOSED - SUB DEFEAT, L/R FULL R ANGE REMOTE INDICA TOR SUBSONIC FILTER FL AT 15 H z OFF NORMAL POL ARIT Y INPUT SENSIT IV IT Y 0 ° 18 0 ° FIL TER SEL[...]

6 Corner or Center Placement Placing the subwoofer in a corner (corner loading) excites the most room modes in the room, which tends to smooth the individual peaks and dips caused by each standing wave. Moving the subwoofer outward from the corner along the wall results in fewer standing waves, but may r esult in noticeable peaks at certain frequen[...]

7 Play music with a good strong bass line and crawl on the floor on your hands and knees until you find a spot wher e the bass sounds the best, with a smooth, tight r esponse. Y our ears need to be at the same height that the subwoofer’s driver will be when it is sitting on the floor . If you have access to a real-time analyzer (RT A), play pink [...]

8 REAR P ANEL DESCRIPTION FIL TER SELECT FIL TER SEL EC T VA R I A B L E 1 10Hz EL L IP T IC AL VA R I A B L E 1 10Hz EL L IP T IC AL This switch selects either the built-in 4th-order 24 dB/octave Linkwitz-Riley variable crossover or the 7th-order 42 dB/octave 110Hz elliptical low-pass filter for the subwoofer . Use the elliptical filter when mixin[...]

9 SM S L A VE / MASTER SL A V E IN INPUT / OUTPUT INPUT / OUTPUT MAS TER OUT LE F T IN OUT RI G HT IN OUT FOOT SWIT CH *MA X OPEN CIRCUIT 24 V *MA X CLOSED CIRCUIT 1A OPEN - SUB ON, L/R BASS MANAGED CLOSED - SUB DEFEAT, L/R FULL R ANGE REMOTE INDICA TOR SUBSONIC FILTER FL AT 15 H z OFF NORMAL POL ARIT Y INPUT SENSIT IV IT Y 0 ° 18 0 ° FIL TER SEL[...]

10 Frequencies below the crossover fr equency are sent to the subwoofer , and fr equencies above the crossover frequency ar e sent to the LEFT and RIGHT OUT puts, which ar e con- nected to the main/satellite speakers. Set the crossover fr equency to the lowest frequency r esponse rating of the main/satellite speakers. MASTER OUT/SLA VE IN Balanced [...]

11 HOOKUP DIAGRAM 120 VAC, 60 Hz, 575 WATTS POWER ON POLARITY (N/A) LFE GAIN SUBSONIC FILTER SUBSONIC FILTER CROSSOVER CONTROLS FILTER SELECT FILTER BYPASS STANDARD SE TTINGS NORMAL 80Hz SUB SAT INPUT SENSITIVITY THX PM3 SET TINGS POLARITY LFE GAIN CROSSOVER CONTROLS FILTER SELECT FILTER BYPASS NORMAL 80Hz SUB SAT INPUT SENSITIVITY RISK OF ELECTRIC[...]

12 PROTECTION CIRCUITS CONNECTIONS There ar e several protection mechanisms designed into the HRS120 to safeguard the loudspeaker and amplifier from inadvertent damage. Peak Limiter A peak limiter is located at the input to the power amplifier section. It monitors both the amplifier output signal and the power supply voltages to guard against clipp[...]

13 SER VICE INFO Bad Sound • Is the input connector plugged completely into the jack? • Is it loud and distorted? Reduce the signal level at the mixer . • If possible, listen to the signal source with headphones plugged into the preamp stage. If it sounds bad there, it’ s not the subwoofer . • T oo much bass or not enough bass? Move aroun[...]

14 Repair Service for the U.S. versions of the HRS120 is available only from our factory service center located in sunny W oodinville, W ashington. Ser- vice outside the United States can be obtained through local dealers or distributors. If your HRS120 needs service, follow these instructions: 1. Review the preceding troubleshooting suggestions. P[...]

15 TECHNICAL INFORMA TION HRS120 Block Diagram 2 3 1 RIGHT LINE INPUT 2 3 1 LEFT/MONO LINE INPUT CROSSOVER FREQ CROSSOVER FREQ FIL TER SELECT FIL TER BYP ASS 55Hz-110Hz 24 dB/OCT LINKWITZ-RILEY CENTER POSITION (80Hz) FOR THX 110Hz 42 dB/OCT ELLIPTICAL LPF (FOR AC-3/DTS) 15Hz 18 dB/OCT BUTTERWORTH LPF A B CTL OUT A B CTL OUT A B CTL OUT 2 3 1 LEFT/M[...]

16 Specifications Enclosure Materials: MDF construction with black oak veneer. Sides: 0.75 in/19 mm thick Top: 1.25 in/32 mm thick Bottom: 1.00 in/25 mm thick Internal Volume: 2.15 cubic feet/60.88 liters T ransducers Low-frequency driver: 12-inch/305 mm die-cast frame, oversized ferrite magnet structure, 4-inch/100 mm voice coil, and over 45 mm co[...]

17 Graphs -40 +10 -38 -36 -34 -32 -30 -28 -26 -24 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 -0 +2 +4 +6 +8 10 20k 20 50 100 200 500 1k 2k 5k 10k Hz dBr 55Hz 80Hz 110Hz HRS120 Crossover Filter Response -40 +10 -38 -36 -34 -32 -30 -28 -26 -24 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 -0 +2 +4 +6 +8 dBr 20 20k 50 100 200 500 1k 2k 5k 10k Hz HRS120 Ellipti[...]

18 COLOPHON The text is a compilation based on input from a number of sources including Cam Jones, T erry W etherbee, Marcelo V ercelli, and Keith Olsen. Dave Franzwa produced this manual usi ng the following tools: Initially written in Microsoft ® W ord 98 for the Macintosh, the text was imported into Adobe PageMaker ® 6.5. Illustrations were pr[...]

19 HRS120 LIMITED W ARRANTY G. Any Mackie product deemed eligible for repair or replacement under the terms of this warranty will be repaired or replaced within thirty days of receipt by Mackie. Mackie may use refurbished parts for repair or replacement of any product. Products returned to Mackie that do not meet the terms of this Warranty will be [...]

Mackie Designs Inc. 16220 W ood-Red Road NE • Woodin ville , W A 98071 • USA US and Canada: 800.898.3211 Europe , Asia, C entral and South America: 425.487.4333 Middle East and Africa: 31.20.654.4000 F ax: 425.487.4337 • www .mack ie.com E-mail: sales@mackie.com[...]