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REVELL Performa B15a, Owner'S Manual, Page: 28 / 28

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REVELL Performa B15a Owner'S Manual Download Page 28

3 Oak Park, Bedford, MA, 01730-1413  USA  |  Telephone: 781-280-0300  |  Fax: 781-280-0490  |  www.revelspeakers.com

Customer Support:

Telephone: 781-280-0300  |  Sales Fax: 781-280-0495  |  Service Fax: 781-280-0499

Please contact Customer Suppor t for information about product shipments.

Part No.

352990-001

| Rev A | 01/04 

Summary of Contents for Performa B15a

Page 1: ...pments Part No 352990 001 Rev A 01 04 Revel Performa and the Revel logo are registered trademarks of Harman International Industries U S patent numbers and other worldwide patents issued and pending 2004 Harman Specialty Group All rights reserved This document should not be construed as a commitment on the part of Harman Specialty Group The information it contains is subject to change without noti...

Page 2: ...G TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead symbol within an equi lateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of elec tric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presen...

Page 3: ...ever use flammable or combustible chemicals for cleaning audio components 5 Never remove the rear panel No user serviceable parts inside 6 Never pour or spill liquids directly onto this unit 7 Never block air flow through ventilation slots or heatsinks 8 Never bypass any fuse 9 Never replace any fuse with a value or type other than specified 10 Never attempt to repair this product yourself If a pr...

Page 4: ...S 14 STEREO POWER AMPLIFIER 15 MULTI CHANNEL CONTROLLER USING THE CONTROLLER S CROSSOVER 16 MULTI CHANNEL CONTROLLER USING THE REVEL PERFORMA B 15a s CROSSOVER 17 MULTI CHANNEL CONTROLLER WITHOUT HIGH PASS CROSSOVER 18 MULTIPLE OPERATION 19 STEREO BASS 20 SYSTEM OPTIMIZATION 21 TROUBLESHOOTING 24 SPECIFICATIONS 25 SUBWOOFER 25 AMPLIFIER 26 OBTAINING SERVICE 26 REVEL PERFORMA B15a Owner s Manual 4 ...

Page 5: ...s This tremendous flexibility results in superb integration with any Revel loudspeakers or other manufacturers speakers ABOUT THE MANUAL AND WARRANTY To begin enjoying the Revel Performa B15a subwoofer first read and then perform the instructions in this owner s manual Maximum performance is dependent on following all instructions described here as well as those found in the owner s manuals of ass...

Page 6: ...ual laminated Kapton former for extraordinary power handling and freedom from compression Extremely long throw voice coil is capable of 2 5 inches 64 mm of peak to peak linear excursion and 3 inches 76 mm of maxi mum excursion for uncompressed reproduction of deep sustained bass notes A massive 130 ounce 3 7 kg magnet system produces 1 4 tesla of flux in the gap Ultra rigid Kevlar pulp and alloy c...

Page 7: ...he Revel Performa B15a cabinet is constructed of 1 inch 25 mm thick MDF wall optimally designed and internally braced with the aid of laser interferometry for reduced cabinet induced colorations Adjustable spike footing is attached to the bottom of the cabinet for optimal stability accommodating installations on tile hardwood and carpeted floors Refer to the Adjustable Spike Footing section on pag...

Page 8: ...edures may result in person al injuries and or loudspeaker damage When unpacking save all packing materials identified in Figure 4 at the bottom of the next page for possible future shipping needs Refer to the Obtaining Service section on page 26 for additional information 1 Set the packaged Revel Performa B15a subwoofer on a soft towel or carpeted surface in the upright position Open the top flap...

Page 9: ...justable spike footing is attached to the bottom of the cabinet for optimal stability accommodating installations on tile hardwood and carpeted floors The B15a is shipped with spike footing attached as shown on the left side of Figure 5 at the top of the next page with the round end protruding from the cabinet The protective cap is placed over the round end to protect tile and hardwood floors NOTE...

Page 10: ...t side of Figure 5 above 6 Reattach the locking ring rotating it clockwise to firmly secure the spike to the cabinet 7 Repeat steps 2 through 6 for the remaining three spikes 8 When all four spikes have been reversed stand the B15a in the upright position If needed repeat steps 1 and 6 to achieve a level balance REVEL PERFORMA B15a Owner s Manual 10 Locking Ring Round End Protective Cap Attached L...

Page 11: ...as to enhance performance Start with a corner placement for the B15a subwoofer This will provide the best results in most rooms especially in conjunction with the B15a s unique 3 band parametric equaliz er If you cannot measure the response in order to find the best location place the subwoofer in a front corner as shown in Figure 6 For very large rooms e g greater than around 4 000 to 5 000 cubic...

Page 12: ...s often dramatically improved by placing two or more subwoofers in carefully chosen asymmetrical locations If you plan to use two B15a subwoofers and you cannot make high resolution measurements see System Optimization on page 21 place both subwoofers together in a front corner side by side or stacked or place a subwoofer in each of the front corners See Figure 7 and Figure 8 below For best result...

Page 13: ...ely set a two way crossover point from 30 to 80Hz with symmetrical 24dB slopes or asymmetrical 24 12 or 48 12 dB slopes and low pass phase shift from 0 to 180 degrees 3 INPUT Use stereo XLR balanced connectors or RCA unbal anced jacks to connect from preamplifier outputs or front out puts of a multi channel decoder Both inputs are 0dBv nomi nal 20dBv maximum The XLR input is pin 2 high 4 AUX OUTPU...

Page 14: ...is no longer present the same circuits will instruct the subwoofer to enter the standby mode to conserve energy CONNECTIONS Audio interconnection to your main amplifier or home theater controller can be any combination of unbalanced or balanced terminations with full balanced connections offering the best noise rejection Please read the following six applications starting on the next page before p...

Page 15: ...TEREO POWER AMPLIFIER A common application is interconnecting the B15a subwoofer between a stereo preamplifier and the main power amplifier as shown in Figure 10 REVEL PERFORMA B15a Owner s Manual 15 B15a Rear Panel split view Preamplifier rear Left Output Right Output Main Amplifier rear To Main Speakers Left Input Left Right Right Input or or or or ...

Page 16: ...er s Manual 16 B15a Rear Panel split view To SUB LFE Output if using optional Y adapter To SUB LFE Output if using optional Y adapter Use L or R Input and Increase Low Pass Level Or Use Optional Y adapter If Desired NOTE Use AUX OUTPUT to connect to INPUT on another B15 Also see Figure 12 on page 19 Multi Channel Controller Decoder rear Left Output FRONT MAIN Right Output Left Output REAR Right Ou...

Page 17: ...15a subwoofer s internal crossover is used to interconnect a home theater multi channel controller as shown in Figure 12 REVEL PERFORMA B15a Owner s Manual 17 B15a Rear Panel split view Main Amplifier rear To Main Speakers Left Input Left Right Right Input Multi Channel Controller Decoder rear Left Output FRONT MAIN Right Output Left Output REAR Right Output Left Output SURROUND SIDE Right Output ...

Page 18: ...eeded your Revel dealer can help with the proper crossover settings If the B15a subwoofer will be used without a high pass crossover see Figure 13 contact your Revel dealer for help in setting the crossover controls so the main speakers and the B15a subwoofer s will produce an optimum combined response REVEL PERFORMA B15a Owner s Manual 18 NOTE Use Y adapters or Sub Outputs on Preamplifier if avai...

Page 19: ...controls for the same respective values REVEL PERFORMA B15a Owner s Manual 19 1 B15a Rear Panel split view 2 B15a Rear Panel split view Main Amplifier rear To Main Speakers Left Input Left Right Right Input Multi Channel Controller Decoder rear Left Output FRONT MAIN Right Output Left Output REAR Right Output Left Output SURROUND SIDE Right Output CENTER Output SUB LFE Output NOTE Set Controller o...

Page 20: ...al placement asym metrical placement also has advantages see Placement on page 11 REVEL PERFORMA B15a Owner s Manual 20 Right B15a Rear Panel split view Left B15a Rear Panel split view Main Amplifier rear To Main Speakers Left Input Left Right Right Input Multi Channel Controller Decoder rear Left Output FRONT MAIN Right Output Left Output REAR Right Output Left Output SURROUND SIDE Right Output C...

Page 21: ...ts However no electronic system alone can fully compensate for the dramatic effects of room acoustics Every room will have locations where nulls at specific frequencies occur These cancellations of the sound are like black holes which no amount of equalization can fill The best results are always achieved through careful placement of both the loudspeakers and the listening position Optimum place m...

Page 22: ...t in para metric equalization If you plan to use more than one subwoofer try placing them both in one corner or use a modeling program or trial and error measurements to determine locations that will further minimize response dips due to standing wave cancellation Placing other system loudspeakers in the listening room will also affect the way sound below 300Hz is reproduced Just as is the case wi...

Page 23: ...istening locations that are near the middle or at one quarter or three quarters of the room s length front to back where large cancellation dips often occur If the installation allows choose the prime listening position so it is away from the exact center of the room s width This will generally result in smoother low frequency sound Use care when locating the listening position away from the cente...

Page 24: ... likely in your electronics If it is only noticed in the subwoofer make sure that all connecting cables are correct and in proper working condition Make sure the subwoofer is plugged in and turned on If everything seems to be in good working order and the subwoofer still malfunctions contact an authorized Revel dealer for assistance see Obtaining Service on the next page Do not attempt to repair t...

Page 25: ...oducing music or film Revel Performa B15a specifications for the subwoofer and amplifier are as follows SUBWOOFER Low Frequency Extension 3 dB 18 Hz up to full rated power Frequency Response 20 Hz to fc 0 5 dB 3 dB 18 Hz True Linear Volume Displacement 275 in3 Overall Dimensions 20 1 16 H x 17 3 4 W x 18 5 16 D 510 mm H x 451 mm W x 465 mm D includes grille and spikes see Figure 16 below Weight 11...

Page 26: ...SERVICE Before returning a product for warranty or non warranty service contact Harman Specialty Group Customer Support to determine the extent of the problem and to obtain a Return Material Authorization RMA number No products will be accepted with out an RMA number issued from Harman Specialty Group If a Revel product must be returned for repair Harman Specialty Group will assume no responsibili...

Page 27: ...er a detailed description of the problem the preferred method of return shipment RMA number clearly marked on both the inside and outside of the package Do not return accessories such as power cord and owner s manu als unless instructed to do so To contact Harman Specialty Group Customer Support Telephone 781 280 0300 Service Fax 781 280 0499 Sales Fax 781 280 0495 www revelspeakers com REVEL PERF...

Page 28: ...ne 781 280 0300 Fax 781 280 0490 www revelspeakers com Customer Support Telephone 781 280 0300 Sales Fax 781 280 0495 Service Fax 781 280 0499 Please contact Customer Support for information about product shipments Part No 352990 001 Rev A 01 04 ...

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