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S4/8 Owners Manual Ver 0.1 

 

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a b s o l u t e   f i d e l i t y

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A Quick Start Set-up Guide 

Now that you have your new Genesis ServoSub 4/8, 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 S4/8 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 S4/8 away from water 
and direct heat. 

Connections 

There are two common options for hooking-up the 
S4/8 to your existing system. For dedicated music 
systems and bass extension of satellite speakers, 
we recommend connecting the high-level speaker 
binding posts on the S4/8 to your power 
amplifier’s speaker outputs, or connect them to 
the “speaker through” binding posts on the 
associated speaker, using a short run of cable as 
a jumper. 

Please note that the binding post inputs on the 
S4/8 are high impedance inputs. This means that 
you can connect as many of them as you like to 
the output of a power amplifier, and the amp will 
never “see” the load. This also means that you 
should use an interconnect-type cable to connect 
the S4/8 even if you use the high level inputs. 
Speaker cables are designed for low-impedance 
connections. Hence, unless it is a very short 
jumper, a thin, small interconnect-type cable is a 
better choice than a thick speaker-type cable. 

The second option for connecting the S4/8 to your 
existing system is to hook it up to your preamp out 
using the line level inputs. In this case, if you have 

two outputs on your preamp, use one set for the power amp, and the 
second for the S4/8, avoiding a Y-connector if possible. 

You can use a single S4/8 to augment a pair of speakers, as it 
provides for two high-level inputs. 

 

Summary of Contents for ServoSub 4/8

Page 1: ...POSITIONING AND CONNECTING THE S4 8 6 LFE GAIN 7 LFE OUTPUT 7 POWER 8 SPEAKER LEVEL CONNECTIONS HIGH LEVEL INPUTS 8 LINE LEVEL CONNECTIONS 9 PHASE SWITCH 9 MAKING YOUR SYSTEM SOUND RIGHT 10 THE MAIN C...

Page 2: ...fast panel or electrostatic loudspeakers The S4 8 delivers bass frequencies as intended by the musical performer or as intended by the movie director This is what we call absolute fidelity In this ca...

Page 3: ...hem to the speaker through binding posts on the associated speaker using a short run of cable as a jumper Please note that the binding post inputs on the S4 8 are high impedance inputs This means that...

Page 4: ...the S4 8 is used to augment front main or center speakers in a multi channel system and would be placed near the center channel or in between two main front speakers In this case you should also conn...

Page 5: ...to turn it back on you may have overheated or over driven the amplifier It can take up to thirty minutes for the amplifier to cool down enough to turn back on Be patient The two most common causes for...

Page 6: ...is used to augment a stereo pair of speakers place it in between the two speakers and not too near the wall In general it is not advisable to place subwoofers symmetrically in a room We recommend tha...

Page 7: ...orates an active signal balancing device built in This means that if your processor has only single ended outputs but you can place an S4 8 close enough to use a single ended interconnect then the bal...

Page 8: ...ervoSub 4 8 is plugged into a wall outlet that is always on The S4 8 has an auto on feature and will automatically power up from stand by when it detects a signal and will switch itself to power savin...

Page 9: ...ced interconnects can be as long as you like If your preamplifier has only one set of balanced outputs and one set of unbalanced RCA type outputs choose your first preference of connection for the amp...

Page 10: ...iting as the roar of jet planes rumble through your living room and prehistoric creatures shake the earth Fine tuning an audio or video system is an art that takes time and patience It can be one of t...

Page 11: ...a single subwoofer to augment two different loudspeakers adjust the subwoofer with one speaker at a time Set the low pass filter to the 3dB frequency of your main speakers and the gain control to 6 an...

Page 12: ...position or alternately position the main speakers closer together in order to achieve better mid bass coupling between the main speakers If the overall sound is too fat turn the low pass filter down...

Page 13: ...st tone and a sound pressure meter set the LFE gain on the first subwoofer to 3dB down for 3 subwoofers 5dB down if using 5 subwoofers from the reference volume of the main speakers Write down the set...

Page 14: ...annel as well as to deliver the LFE channel The second subwoofer can be placed in the back of the room Daisy chain the LFE from the front subwoofer and use it also to augment the two rear or two surro...

Page 15: ...ker is very placement dependent Whether it is placed against a wall into a corner or on a pedestal will change its response and gain Hence it will be necessary to tune EACH subwoofer individually befo...

Page 16: ...to be slow to begin moving Once the cone is in motion the momentum of the cone causes it to keep moving even after the output signal of the amplifier has stopped The sonic result is overhang bloat lac...

Page 17: ...des extraordinary control with high damping and great thermal stability so that you can play the most demanding sources continuously at high volume The Transducers The transducer used in a servo syste...

Page 18: ...lbs 39 8 kg Inputs High level left and right with 5 way binding posts Low level left and right single ended RCA and balanced XLR LFE low level mono single ended RCA and balanced XLR Outputs LFE low l...

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