~ÄëçäìíÉ=Ñ áÇÉäáíó™ Owners Manual and Set-up Guide: Genesis Surround ServoSub™ 2/12t Contents A QUICK START SET-UP GUIDE SAFETY TIPS CONNECTIONS PLACEMENT OF THE SUBWOOFER ADJUSTING THE CONTROLS SETTING-UP THE S2/12T POSITIONING AND CONNECTING THE S2/12T LFE GAIN LFE OUTPUT POWER SPEAKER-LEVEL CONNECTIONS: HIGH LEVEL INPUTS LINE-LEVEL CONNECTIONS PHASE SWITCH MAKING YOUR SYSTEM SOUND RIGHT THE MAIN CONTROLS TUNING THE SYSTEM IN LOW BASS TUNING FOR LOW FREQUENCY EFFECTS (LFE) THE TECHNOLOGY THE SERVO ADVAN
~ÄëçäìíÉ=Ñ áÇÉäáíó™ A Message from Genesis Congratulations! You are now the owner of one of the finest subwoofers available for music and home theater systems. The Genesis Surround ServoSub™ 2/12t is a unique subwoofer with two 12” woofers that is designed for applications requiring corner or sidewall placement, and is universally installation friendly. The unique shape of the S2/12t makes it an ideal partner to surround or rear loudspeakers in a multi-channel music or home theater system.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ A Quick Start Set-up Guide Now that you have your new Genesis Surround ServoSub 2/12t, we realize that you are eager to hook it up and start listening! Nevertheless, please read this quick start guide NOW before you begin setting it up. Safety Tips The S2/12t is a powered subwoofer with a built-in amplifier: it needs to be connected to a power socket that is always on. Make sure that you are providing the correct voltage, and keep the S2/12t away from water and direct heat.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ Placement of the Subwoofer One of the most common reasons to buy a subwoofer is to augment your existing loudspeakers when they do not provide enough bass for your liking. In general, the S2/12t is used to augment surround or rear channel speakers in a multi-channel system, and would be placed in a room corner closest to the surround/rear channel that you are going to augment.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ Setting-up the S2/12t While it is relatively easy to add a subwoofer into your system and hear more bass, it is not as easy to integrate a subwoofer well into your system. The Genesis ServoSub 2/12t makes system integration far easier than most other subs because the servo system makes the S2/12t’s bass quick, clean and articulate. This means that no matter which main speakers you use, the S2/12t will integrate well with them; even fast electrostatic or magnetic planar speakers.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ Two Surround Subwoofers - 5.1 System In a dual subwoofer 5.1-channel system, place one S2/12t in each rear corner of the room, and connect the speaker-level inputs to the nearest surround speaker thru connectors. Connect the LFE-input of one S2/12t to the LFE/Subwoofer output of the processor, and its LFEoutput to the LFE-input of the other S2/12t. Several Genesis loudspeakers and subwoofers can be daisy-chained in this manner. Two Surround Subwoofers - 7.1 System If you have a 7.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ LFE Input The Low Frequency Effects (LFE) input allows the S2/12t to be used for augmentation of the surround speakers as well as for the LFE of your home theater system. The LFE input blends the low frequency effects signal from the home theatre processor into the normal input signal on the subwoofer. We call this our LFE Blend™ technology. The LFE input bypasses the internal crossover, and hence uses the home theatre processor’s crossover.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ LFE Gain The S2/12t has a control for LFE GAIN that is separate from BASS GAIN. This allows you to have the S2/12t augment your surround speakers as well as deliver LFE around the room at the same time without conflicts. The usual way to control the level of the LFE output is to set the LFE gain to 6 – the twelve o’clock position – and then use the home theatre processor’s level control to dial in the level.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ 1200Watts from your power supply, so make sure that whatever you plug your subwoofer into can handle it! Speaker-level connections: High Level Inputs Using a good quality speaker cable, connect the output of your power amplifier to the binding posts on the back of the S2/12t. You may also connect the S2/12t to the binding posts on the back of your loudspeaker terminals if this is more convenient. Make sure that you maintain proper polarity.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ Do not connect BOTH single-ended and balanced inputs to the S2/12t at the same time. You could over-drive the built-in amplifier, and void the warranty. Phase Switch There are many power amplifiers that invert the phase of the incoming signal. If you have one of these, and you are also using the line-level inputs from your preamp, you will have to invert the phase of the S2/12t. Push the switch down to 180º.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ Making your system sound right The ServoSub 2/12t subwoofer is perfect for use in 2-channel or multichannel music and video applications. The setup for either is very similar and the goals should be quite the same too. In our opinion, the end goal of adding a high-end subwoofer should be to not “hear” the subwoofer work, but rather to add the appropriate amount of low bass that is currently missing in your system.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ The Main Controls The S2/12t subwoofer has two controls that you will use to make your system (and that includes the room), sound right. The first is the gain control of the woofer amplifier. This adjusts the volume at which the subwoofer plays. The gain can be adjusted from 1 to 11. The second control is the low pass filter. This adjusts the crossover frequency for the built-in 12dB per octave variable crossover.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ to experiment with increasing or decreasing the low pass filter control. This control will raise or lower the frequency cutoff point of the woofer. If you find that the sound is “thin” or lacking in mid bass, and that turning the gain control up to “thicken” the sound creates too much low bass, this is a good indication that you may want to turn the low pass filter up to a higher frequency instead.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ Tuning for Low Frequency Effects (LFE) The LFE input has a separate gain structure and bypasses the crossover in the subwoofer. Hence, it should be set-up separately from the main speaker augmentation function. A simple way to set up the S2/12t for LFE is to use the test and level signal available in most home theater processors and multi-channel players, and test discs. Many DVD’s include a THX calibration option that has a set of test tones for speaker level adjustment.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ The Technology The Servo Advantage Very few loudspeakers use servo drive, either because most designers think that it is too difficult to design, too expensive, or because of the extraordinary demands a servo system makes on the amplifier and the transducer. However, the Chief Scientist of Genesis, Arnie Nudell, first introduced the servo system in the legendary Infinity Servo Statik One in 1968(!) – so we know how to design and build servo systems.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ The best amplifier for this application is a Class-D switching amplifier. One of the reasons a Class-D amplifier is optimum for this application is that it has a dramatically increased efficiency, especially at lower frequencies. A typical Class A/B amplifier is only 50% efficient. A Class-D amplifier, on the other hand, can be 90% efficient. A Class-D amp also puts out more power with less heat and less power consumption; ideal for use as a subwoofer amplifier.
~ÄëçäìíÉ=Ñ áÇÉäáíó™ Specifications Dimensions: 31” x 21” x 16” (w x h x d) (533mm x 787mm x 406mm) Frequency Response: 20Hz to 120Hz +/- 1dB 16Hz to 180Hz -3dB, +2dB Weight: 83.
