JL Audio Fathom IWSv2-SYS-113 Owner'S Manual Download Page 1 | Manualshive

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IWSv2-SYS-113

IWSv2-SYS-213

Owner’s Manual

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Summary of Contents for Fathom IWSv2-SYS-113

Page 1: ...IWSv2 SYS 113 IWSv2 SYS 213 Owner s Manual ...

Page 2: ...t sources such as radiators heat registers stoves fireplaces or other devices which produce heat Do not place candles on top of or near the subwoofer or amplifier 10 Power sources The subwoofer should only be connected to a power supply of the type described in the operating instructions or as marked on the product 11 Power Cord Protection Power supply cords should be routed so that they are not l...

Page 3: ...ged b objects have fallen or liquid has been spilled into the subwoofer c the subwoofer has been exposed to rain d the subwoofer does not appear to operate normally or exhibits a marked change in performance e the subwoofer has been dropped or the cabinet has been damaged f the subwoofer driver s cone and or suspension has been physically damaged 17 Servicing The user should not attempt to service...

Page 4: ...e As a company we are intensely committed to core research into high performance loudspeaker and amplifier technologies JL Audio s long excursion subwoofer driver designs are widely considered as reference standards for linear behavior and high output We have also focused our efforts to create powerful amplifier and signal processing technologies specifically aimed at delivering exceptional low fr...

Page 5: ...e pressures created by the Fathom driver we utilized CNC cut cabinet grade baltic birch plywood with extensive internal bracing features and advanced assembly techniques Your listening room is the other enclosure that affects the way your bass will sound All rooms create a specific sonic signature which must be effectively managed to achieve well balanced low frequency performance To aid in this p...

Page 6: ...our listening seat can be in a peak or dip region so can your subwoofer When placed in a room corner a subwoofer maximally excites the room s mode structure creating the strongest output with the fewest dips When the subwoofer is pulled away from a corner or wall the room modes are excited less which can alter the sound at your listening seat Be sure to experiment with both your listening seat pos...

Page 7: ... Results in weaker uneven bass performance BEST SEATING POSITIONS Most accurate bass performance COMPROMISED SEATING POSITIONS More intense but less accurate bass performance WORST SEAT CENTERLINE OF ROOM APPROX 1 3 OF TOTAL ROOM LENGTH AWAY FROM BACK WALL CLOSE TO BACK WALL OF ROOM Recommended Subwoofer Placement Options for One Fathom IWSv2 Enclosure ...

Page 8: ...hat replace the rack ears and rubber feet are included with the IWSv2 amp To use the amp on a table top simply remove the hex screws that attach the rack ears and then install the covers The rubber feet screw into threaded holes in the bottom of the amplifier case WARNING The rubber feet attach using M6 1 0 x 10mm screws If lost or misplaced only replace with the same type and length of screws Usi...

Page 9: ...long the front wall near the front left and right speakers or at the center points of opposing walls as shown at right Experimentation with listener placement is recommended to achieve the best results the benefits can be substantial High resolution measurements and professional system calibration are recommended for the best possible results system performance ...

Page 10: ...oothest bass response for a large listening area can be achieved using four subwoofers placing one at the midpoint of each of the four walls although using two or three subwoofers can be almost as good Experimentation with subwoofer and listener placement is recommended to achieve the best results the benefits can be substantial High resolution measurements and professional system calibration are ...

Page 11: ... page 12 Input Mode page 14 Level Mode page 14 Master Level page 14 Lights page 14 LP Filter page 15 LP freq Hz page 15 e l f trim dB page 15 phase deg page 16 Polarity page 16 Balanced Inputs page 17 Unbalanced Inputs page 18 IEC Style AC Connector page 22 Output to Slave Connector page 20 Master Slave Switch page 19 Subwoofer Outputs page 21 Isolated Grounded Switch page 19 FUSE F U S E 12V Turn...

Page 12: ...e Lights switch Note In the unlikely event that the Auto feature is not sensitive enough for a particular system use a Y cable adaptor to split the incoming signal into both RCA or XLR inputs on the Fathom IWSv2 This will increase the input sensitivity by 6 dB Please be aware that if the Auto sensitivity is too high or if there is significant noise on the input cable the Fathom IWSv2 may not turn ...

Page 13: ...fic to the supplied microphone The calibration sequence will not operate when a different microphone is connected or if no microphone is connected Demo Button The Demo button triggers a 20 second long tone sequence that briefly demonstrates the sound of the Fathom IWSv2 subwoofer The Demo function is useful for showcasing the output capability of the Fathom IWSv2 and to verify that the Fathom IWSv...

Page 14: ... primarily be controlling the subwoofer level via your receiver or preamplifier processor For those of us with small children or overenthusiastic teenagers this mode of operation will prevent direct manipulation of the Master Level Variable In this mode the Master Level control knob determines the output level of the Fathom IWSv2 subwoofer This mode is also useful when level matching the Fathom IW...

Page 15: ...wise to 130 Hz full clockwise This knob does not affect the input signal in any way if the LP Filter switch is set to Off 80 Hz is a commonly used filter frequency and usually serves as a good starting point for adjustments E L F Trim The Extreme Low Frequency e l f trim knob allows the user to apply a certain amount of signal equalization at 23 Hertz extremely low bass At full counterclockwise ro...

Page 16: ...output relative to the main speakers The Phase control will primarily affect the small frequency range around the crossover point between your subwoofer and satellite speakers The Phase control s labels are referenced to 80 Hz since this is the most common crossover point between satellite speakers and a subwoofer Phase settings between 0 degrees full counter clockwise rotation and 270 degrees ful...

Page 17: ...ate left and right input jacks are provided for systems without a dedicated mono subwoofer connection This typically applies to two channel audio equipment Appropriate balanced cables are available from your JL Audio dealer and are not included with the Fathom IWSv2 Technical Notes Do not use the balanced inputs with unbalanced signals via adaptors The unbalanced inputs of the Fathom IWSv2 are pre...

Page 18: ...el receivers and preamplifier processors Separate left and right RCA type input jacks are provided for systems without a dedicated mono subwoofer connection This typically applies to two channel audio equipment Technical Notes When balanced outputs are not available on the signal source you must use the RCA type unbalanced inputs Fathom IWSv2s feature ground isolation circuitry on the unbalanced i...

Page 19: ...tion any further If your installation incorporates two or more Fathom IWSv2 amplifiers you will designate one Fathom IWSv2 as the Master and all others in the system as Slave via the Master Slave switch on the rear amplifier panel of each Fathom IWSv2 LED s on the front panel of the Fathom IWSv2 are provided to indicate whether the Master or Slave mode is selected for a given subwoofer From the Fa...

Page 20: ...IWSv2 Technical Notes The Output to Slave signal carries any signal processing selected on the Master Fathom IWSv2 including the Master Level setting and D A R O processing to further Fathom IWSv2s operating in Slave mode From Fathom IWSv2s operating in Slave mode the Output to Slave signal is an exact buffered replica of the balanced input signal making this method of signal distribution preferab...

Page 21: ...8 turn counter clockwise to remove Receptacles in each plug accept 12 AWG to 16 AWG speaker wire Each wire attaches to the terminals marked 1 and 1 shown below To attach wires insert the speaker cable through the strain relief and chuck Strip inch 12 mm of insulation from the end of each wire then use a small Philips screwdriver to back out the set screws Insert the bare wire into the receptacle s...

Page 22: ...thorized JL Audio Retailer or Distributor Fuse Specifications Model Fuse Type Fuse Size SAv2 1kW 120V version 0 25 x 1 25 inch fast acting 8A 120V SAv2 1kW 240V version 5mm x 20mm fast acting 5A 240V SAv2 2kW 120V version 0 25 x 1 25 inch fast acting 12A 120V SAv2 2kW 240V version 5mm x 20mm fast acting 8A 240V IEC Style AC Connector The IEC style AC cord receptacle receives the heavy gauge 6 ft 1...

Page 23: ...alanced RCA type connector Balanced connections provide superior noise rejection and ensure proper grounding between components If your receiver or processor has balanced outputs we highly recommend that you use them In the connection diagram at left balanced connections are shown as solid lines unbalanced connections are shown dotted You will only use one of these input connection methods not bot...

Page 24: ...puts we highly recommend that you use them to connect to the Fathom IWSv2 designated as the master In the connection diagram at right balanced connections are shown as solid lines unbalanced connections are shown dotted You will only use one of these input connection methods for the Fathom IWSv2 designated as the master not both The remaining Fathom IWSv2s in the system will be configured as Slave...

Page 25: ...frequencies out of the signals driving the main speakers resulting in better performance If you are not using an active crossover and are comfortable running your main speakers full range you can split your preamplifier s output signals using appropriate Y connectors in place of the active crossover shown in the diagram Two connection types are available for connecting the Fathom IWSv2 to your two...

Page 26: ...m Two connection types are available for connecting the Fathom IWSv2s to your two channel audio system balanced XLR or 1 4 inch TRS connector and unbalanced RCA type connector Balanced connections provide superior noise rejection and ensure proper grounding between components If your preamplifier or active crossover offers balanced outputs we highly recommend that you use them In the connection di...

Page 27: ...to the primary listening seat including the subwoofer s distance Use a tape measure to determine these distances time coherence is important If multiple Fathom IWSv2s are being used average their distances to the primary listening seat and use that number to set the subwoofer distance 3 Subwoofer Level Set the subwoofer level in the receiver or preamp processor 0 or its middle position 4 Tone Cont...

Page 28: ...at the unit connected directly to your receiver or preamp processor is indicating Master on its Input Mode lights and that all other units are indicating Slave on their Input Mode lights If not you will need to access the Input Mode switches on the rear panels of the Fathom IWSv2s 3 Level Mode Switch Flip the master Fathom IWSv2 s Level Mode switch to the REF position 4 LP Filter Switch If your ho...

Page 29: ...he subwoofer at your primary listening seat and apply a powerful 18 band equalizer to tame the peaks caused by room modes resulting in smoother more accurate bass performance If you are using multiple Fathom IWSv2s in a master slave configuration you will only need to address the unit designated as Master to perform D A R O calibration for the entire subwoofer system Note that all front panel sign...

Page 30: ... Demo sequence to end and try again You can perform a new calibration by following the normal procedure outlined above 2 Level Setting Using familiar music or movie material with deep bass content adjust the subwoofer level to blend with the other speakers using your receiver or preamp processor s subwoofer level control This method is more immune to tampering than using the Fathom IWSv2 s Master ...

Page 31: ...f boost at 24 Hertz and is particularly useful when using a Fathom IWSv2 or two in a small to medium sized home theater Since smaller enclosed spaces help to boost the level of the lowest bass frequencies smaller theaters can be overwhelmed by the strong low bass output of the Fathom IWSv2 subwoofer This can create a thick or bloated character in the lower bass region Turning down the e l f trim k...

Page 32: ...s detected on the inputs When powered down only housekeeping circuits remain on which draw negligible amounts of power from the wall less than 10 watts Should I unplug my subwoofer during a thunderstorm or extended absence YES You should unplug your Fathom IWSv2 during or before thunderstorms This will prevent any possible damage from voltage spikes due to lightning In these conditions it s a good...

Page 33: ...ses from your Fathom IWSv2 1 See Input Mode Switches section on page 19 of this manual especially if any upstream components cables etc have recently changed 2 Turn off the Fathom IWSv2 disconnect all its input and output signal cables turn the Fathom IWSv2 back on If the noise disappears the noise is being caused elsewhere in your system reconnect cables one at a time to help locate the problem B...

Page 34: ... Fathom IWSv2 Page 34 This page is intentionally left blank ...

Page 35: ... not allow limitations on implied warranties therefore these exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state If you need service on your JL AUDIO product All warranty returns should be sent to JL AUDIO freight prepaid through an authorized JL AUDIO dealer and must be accompanied by proof of purchase a c...

Page 36: ... of 20k Ohms Output To Slave Balanced one male XLR jack Speaker Outputs Neutrik speak On 2 Pole Connectors uses Neutrik part NL2FX Input Modes Master or Slave Level Modes Reference fixed gain or Variable from full mute to 15dB over reference gain Power Modes Off On or Automatic Signal Sensing or 12V Trigger Light Modes Off On or Dim Low Pass Filter Mode Off 12 dB per octave or 24 dB per octave Low...

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