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Black Hydra products are warranted against defects concerning materials and their manufacturing under 

normal functioning conditions.

While the product is under warranty, defective parts will be repaired or replaced at the manufacturer’s 

discretion. The defective product, along with notification about it, must be returned to the dealer from which it 

was purchased together with the warranty certificate duly filled in, complete with the original packaging. If the 

product is no longer under warranty, it will be repaired at the current costs.

Our company does not undertake any liability for damages due to transportation. Our company does not 

take any responsibility for costs or loss of profit due to the impossibility to use the product, other accidental 

or consequential costs, expenses or damages suffered by the customer. Warranty according to laws in force. 

For more information visit our website and carefully read warranty card. The manufacturer reserves the right 

to change design and specification without prior notice.

WARRANTY SERVICE 

INFORMATION ON DISPOSAL OF THE ELECTRICAL AND ELECTRONIC EQUIPMENT

(FOR THE EUROPEAN COUNTRIES WITH SEPARATE WASTE COLLECTION)

Items  marked  “crisscrossed  wheeled  bin”  are  not  allowed  to  be  disposed  of  together  with  usual 

household waste. These electrical and electronic products should be disposed of in special reception centers, 

equipped  for  recycling  such  products  and  components.  For  information  about  the  location  of  the  nearest 

disposal / recycling spot and the rules of delivery of waste, please contact your local municipal office. Recycling 

and proper disposal helps to protect the environment and prevent harmful effects on health.

MAINTENANCE AND UTILIZATION

Summary of Contents for HGS-2521

Page 1: ...1...

Page 2: ...2 3 4 5 6 7 8 9 10 RU...

Page 3: ...3 HGS 2521 1...

Page 4: ...4 BLACK HYDRA Black Hydra Black Hydra Black Hydra HGS 2521 SQ 24 JUST ENJOY...

Page 5: ...5 1 2 3 4 5 6 7 5 40 8 9 10 11 12...

Page 6: ...6 1 1 1 2 1 2...

Page 7: ...7 40 80 50 Subsonic 5 30 Subsonic 25 LPF 63 80 bassboost 0...

Page 8: ...8 HGS 2521 10 RMS 230 MAX 450 2 Impedance 4 Re 3 8 SPL 84 15 Xmax 10 Fs 30 78 Vas 23 Qts 0 308 BL 17 64 HGS 2521...

Page 9: ...9 HGS 2521 2 1...

Page 10: ...10 BLACK HYDRA w...

Page 11: ...11 BOX CONTENTS 12 INTRODUCTION 13 SAFETY INSTRUCTIONS 14 WIRING DIAGRAMS 15 HOW TO USE 16 SPECIFICATIONS 17 UNITS DIMENSIONS 18 MAINTENANCE AND UTILIZATION 19 CONTENTS EN...

Page 12: ...12 BOX CONTENTS Subwoofer HGS 2521 1 pc...

Page 13: ...ht cone from a rigid cellulose composite Powerful die cast frame basket eliminates any possibility of parasitic sounds appearance even in extreme usage modes of the speaker The frame of the voice coil...

Page 14: ...TENTION The product may be operated at 5 to 40 C In case of moisture condensation let the product to dry 8 When performing plumbing drilling or cutting works with the car make sure that there is no wi...

Page 15: ...15 WIRING DIAGRAMS Option 1 Fig 1 1 Option 2 Fig 1 2 Amplifiers crossovers and acoustic systems are not included in package and are sold separately...

Page 16: ...p at the beginning of operation Be extra careful when warming up the parts Warm up the subwoofer using musical material for 40 hours at medium power If during operation at maximum volume you feel stra...

Page 17: ...MAX 450 W Voice coil size 2 Voice coil wire CCA Spider Nomex Impedance 4 Ohm Re 3 8 Ohm SPL 84 15 dB Xmax 10 mm Fs 30 78 Hz Vas 23 L Qts 0 308 BL 17 64 This specified sensitivity is not directly conn...

Page 18: ...18 Subwoofer HGS 2521 Fig 2 1 UNITS DIMENSIONS...

Page 19: ...tal or consequential costs expenses or damages suffered by the customer Warranty according to laws in force For more information visit our website and carefully read warranty card The manufacturer res...

Page 20: ...http blackhydra audio...

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