® Revel Ultima ® Gem 2 Loudspeaker Owner’s Manual Harman Specialty Group 3 Oak Park Drive Bedford, MA 01730-1413 USA Tel 781-280-0300 Fax 781-280-0490 www.revelspeakers.com Customer Service Telephone: 781-280-0300 Sales Fax: 781-280-0495 Service Fax: 781-280-0499 Product Shipments: HSG/Revel Returns Dept. RMA # 801 S. 75th Avenue Phoenix, AZ 85043 Part No.
Introduction REVEL Ultima Gem2 DOCUMENTATION CONVENTIONS This document contains general safety, installation and operation instructions for the REVEL Ultima Gem2 Speaker. It is important to read this user guide before attempting to use the product. Pay particular attention to safety instructions.
Table of Contents ABOUT REVEL . . . . . . . . . . . . . . . . . . . . . . . 5 About Revel Ultima2 Loudspeakers . . . . . . . . . . . . . . . About the Gem2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Registration. . . . . . . . . . . . . . . . . . . . . . . . . . . . What’s in the Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . Wall Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ultima Gem2 Owner’s Manual
Congratulations and Thank You for purchasing your new Revel Ultima Gem® 2 Loudspeakers. Please take the time to read the following installation and setup information in order to optimize your enjoyment of your new loudspeakers. the standard-setting acoustic performance of the Ultima2 Series Loudspeakers. The attractive rounded shape of the loudspeaker cabinet design contribute to their superb off-axis response while their single-piece, nine-layer construction results in an extremely inert enclosure.
ABOUT THE GEM2 Incorporating all the latest advancements of the new Ultima2 series, the Gem2 provides unprecedented performance in such a small form factor. The Ultima Gem2 is a 3-way loudspeaker, which can either be wall-mounted or mounted on an optional pedestal. The low profile of the Gem2 when wall-mounted allows their use as state of-the-art flat panel display loudspeakers.
UNPACKING 7. Remove the cloth cover and carefully remove the tape from the red protective tweeter cover. The Gem2 requires special care and handling during unpacking. Pay particular attention to the precautions that appear in this section and throughout this owner’s manual. Caution Use caution not to touch or allow any object or liquid to come in contact with the Beryllium tweeter dome. Variations in its finish are normal.
LOUDSPEAKER OVERVIEW CABINET The Revel Gem2 Loudspeakers exemplify subtle elegance, which easily blend in with a wide variety of decors. Available in either a high-gloss mahogany veneer or a high-gloss black finish, Gem2 Series Loudspeaker will be a welcome compliment to any home. The Gem2 reduces cabinet-induced colorations with 1-inch (25mm) thick walls and extensive internal bracing.
Figure 2: Gem2 Loudspeaker (Pedestal Option) Figure 3: Gem2 Loudspeaker (Wallmount) 1 1 1 2 1 3 2 3 Driver Compliment 1. (1) 1-inch (25mm) Beryllium tweeter 2. (1) 4-inch (102mm) midrange 3.
FILTER NETWORK The Gem2 Loudspeakers utilize high-order networks which optimize both the on-axis and off-axis response. These sophisticated networks help to ensure smooth octave-to-octave balance and timbral accuracy. Separate woofer, midrange and tweeter filter boards prevent mutual interference between filter network components, dramatically reducing distortion over a wide dynamic range. Gold-plated binding posts and shorting straps accommodate single-wired, bi-wired, and bi-amplified connections.
Figure 4: Gem2 Front and Rear Panel Gem2 Front 1 2 4 4 5 5 4 4 3 Ultima Gem2 Owner’s Manual 11
INSTALLATION CONSIDERATIONS • Loudspeaker fidelity depends on the following three factors: 1. Loudspeaker accuracy For the best stereo imaging, place the loudspeakers at equal distances from the primary listening position and the side walls as shown in Figure 5. Figure 5: Loudspeaker Placement 2. Loudspeaker placement 3. Listening room acoustics LOUDSPEAKER ACCURACY The advanced Ultima2 design features allow the Gem2 to achieve exceptional acoustical precision.
• The Gem2 is magnetically shielded to minimize any effect on CRT video monitors. However, small, stray magnetic fields may affect large CRT monitors located in close proximity to the Gem2. These magnetic fields decrease rapidly with distance, so moving the loudspeakers farther away from the monitor will reduce interference. It is important to confirm that the Gem2 is suitable for use with the intended CRT monitor. . Note DLP, LCD, LCoS and Plasma display devices are not affected by magnetic fields.
ACOUSTIC TREATMENT MATERIALS As previously mentioned, the Gem2 Loudspeakers utilize high-order networks which optimize both the on-axis and off-axis response. Their optimized response minimizes sonic degradation that can occur in overly “live” rooms. Placing minimal acoustic treatment materials at primary reflection points will reduce these distortions even further.
MAKING CONNECTIONS The Gem2 features gold-plated binding posts and jumper straps that allow it to be configured for single-wired, bi-wired, or bi-amplified connections. Minimum Wire Gauge Gauge (AWG) Length (Feet) Length (Meters) 6 87 27 7 69 21 8 58 18 9 43 13 10 34 10 11 27 8 12 22 7 13 17 5 14 14 4 15 11 3 16 9 3 17 7 2 18 5 2 Caution Never make or break connections unless all system components are powered off.
• Vertical bi-amplified connections must be made with identical power amplifiers. Horizontal bi-amplified connections can be made with identical or non-identical power amplifiers with identical gain factors. • When making bi-amplified connections, both power amplifiers must receive identical input signals from the associated preamplifier. A “Y” adaptor is required if the associated preamplifier does not offer two connectors per output channel.
SINGLE WIRE CONNECTIONS Single-wired connections are the most common. These are made between one pair of the Gem2 input terminals and one power amplifier output channel as shown in Figure 6. Figure 6: Single-Wired Connections Gem2 Rear Panel To make single-wired connections: 1. Connect one pair of loudspeaker wires to the desired Gem2 input terminals. Then connect the same pair of loudspeaker wires to the desired power amplifier output channel. (The high frequency input terminals are recommended). 2.
BI-WIRED CONNECTIONS Figure 7: Bi-Wired Connections Bi-wired connections are made between both pairs of the Gem2 input terminals and one power amplifier output channel as shown in Figure 7. To make bi-wired connections: 1. Remove the jumper straps identified in Figure 4, page 11. 2. Connect one pair of loudspeaker wires to the high-frequency of Gem2 input terminals. Then connect the same pair of loudspeaker wires to the desired power amplifier output channel. 3.
VERTICAL BI-AMPLIFIED CONNECTIONS Figure 8: Vertical Bi-Amplified Connection Vertical bi-amplified connections are made between both pairs of Gem2 input terminals and two separate power amplifier output channels. Each speaker is connected to its own power amplifier. The power amplifiers must be identical. Vertical bi-amplified connections are shown in Figure 8. Note When making vertical bi-amplified connections, both power amplifiers must receive identical input signals from the associated preamplifier.
HORIZONTAL BI-AMPLIFIED CONNECTIONS Horizontal bi-amplified connections are made between both pairs of Gem2 terminals and two separate output channels on two separate power amplifiers. The high-frequency pair of Gem2 input terminals are connected to one power amplifier, while the low-frequency pair are connected to another power amplifier. 3. Connect another pair of loudspeaker wires to the low-frequency Gem2 terminals.
OPTIMIZING PERFORMANCE To optimize the Gem2 for best performance: 1. When the Gem2 is connected, begin with the Tweeter Level Switch set to 0. (Different listening rooms may require other High Frequency Level switch settings.) 2. Set the Low Frequency Compensation Switch to correspond with the Gem2 placement. This is the best starting point, and will typically result in the most neutral sound for a given application.
LOUDSPEAKER VOLUME LEVEL High-order filters include steep cut-offs to reduce potential damage from “out-of-band” frequencies. Combined with carefully designed transducers and filter networks, this approach helps the Gem2 to maintain its performance under extreme operating conditions. However, all loudspeakers have limits when it comes to continuous playback. To extend these limits, avoid playback at volume levels that distort or sound “strained”.
SPECIFICATIONS GEM2 SPECIFICATIONS Specifications Value Definition Sensitivity 86.4 dB SPL with 2.83 V @ 1m (4 π anechoic) Indicates the amount of power the associated power amplifier must deliver to drive the loudspeaker at reasonable volume levels. Conservatively rated specifications indicate high sensitivity, meaning that a massive power amplifier is not required to drive Revel loudspeakers to reasonable volume levels in large listening spaces.
SPECIFICATIONS GEM2 SPECIFICATIONS Specifications Value Definition Listening Window Response ±1.0 dB from 72 Hz to 20 kHz Indicates the on-axis response of the loudspeaker. An improved on-axis measurement, this specification reduces the visual confusion of inaudible interference. It retains full accuracy without using “spectral smoothing,” which results in significant data loss.
Gem2 Dimensions 6.09 inches (155 mm) 5.4 inches (137 mm) 4.42 inches (112 mm) 12 inches (305 mm) 24.2 inches (615 mm) Shipping Weight: 38 Pounds (17.2 kg) If using the optional Pedestal, the height is 46 inches (117 cm).
OBTAINING SERVICE Product Shipment Directions: To obtain warranty or non-warranty service, contact an authorized Revel dealer. The following information must be included when a loudspeaker is returned for service: Before returning a loudspeaker for warranty or non-warranty service, contact Harman Specialty Group Customer Service to determine the extent of the problem and to obtain a Return Material Authorization (RMA) number.
Appendix
WALL-MOUNTING INSTRUCTIONS The Ultima Gem®2 loudspeaker can be mounted to a wall or the optional pedestal. The following instructions provide detailed information regarding how to mount the loudspeaker on a wall in your listening room. Before beginning the installation, consider the best position to mount the loudspeaker for optimum performance. Refer to the Installation Considerations section for guidance on the best placement for the loudspeaker.
ULTIMA GEM® 2 PEDESTAL Thank you for purchasing the Ultima Gem®2 Pedestal for your Revel® Ultima Gem®2 Loudspeaker. Follow the instructions below to unpack the pedestal. UNPACKING Step 1: Place the packing carton down so that the long side of the carton that’s marked “Open this Side” is facing up. Step 6: Remove the Cardboard Sleeve and the Middle Pads. Step 2: Open both the outer box and inner box so that one side of the packaged pedestal is exposed. Step 7: Remove the cloth bag.
INSTALLATION Follow the instructions to install the Ultima Gem® 2 Loudspeaker to the pedestal. Back 1. Step 1: Lay the Ultima Gem®2 pedestal down, face up, on a soft non-scratch surface. Step 2: Find and remove the four Phillips pan-head screws from the accessories bag that was removed from the end pad during the unpacking procedure. Step 3: Remove the wall mount bracket from the loudspeaker accessories kit. This bracket is the matching half of the bracket that is installed on the back of the loudspeaker.
LIMITED WARRANTY A valid serial number is required for warranty coverage. This Revel warranty protects the original retail purchaser for a period of five (5) years (parts and labor) from any failure as a result of original manufacturing defects so long as: 1. The Revel products were purchased within the 50 United States, its territories, or Canada 2. The dealer from whom the Revel products were purchased was authorized to sell such products at the time of the original purchase. 3.
Harman Specialty Group, 3 Oak Park Drive, Bedford, MA, 01730-1413 USA | Telephone: 781-280-0300 | Fax: 781-280-0490 | www.revelspeakers.com Customer Service Telephone: 781-280-0300 | Sales Fax: 781-280-0495 | Service Fax: 781-280-0499 Product Shipments: HSG/Revel, Returns Dept., 801 S. 75th Avenue, Phoenix, AZ 85043 USA Part No.
