HEED OBELISK Si Manual 

Dear Music Lover, Dear Music Lover, Dear Music Lover, Thank you for choosing our product! In designing the Heed Obelisk Si, our objective was to produce an integrated amplifier that conveys all the emotional content and immediacy of your recordings faithfully, allowing the atmosphere, tension, and excitement of the original performance to shine through in an organic, true-to-life fashion. We sincerely hope that you will agree, and that your Obelisk will provide you with many years of impeccable, trouble-free operation. Happy listening! The Heed Team The Heed Team The Heed Team The Heed Team Your Heed Obelisk Si integrated amplifier is designed to offer the finest performance possible avoiding compromise wherever possible. This detailed guide contains advice specifically related to using this amplifier and its optional auxiliary X-2 power supply, as well as more general warnings about the use of domestic audio components. Please read them carefully. precautions Instructions — All safety and operating instructions should be read and adhered to exactly as written here or as depicted on the unit. Please retain for future reference. Water and Moisture — The unit should not be used near water - that is, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or swimming pool, etc. Ventilation — The unit should be situated so that its location or position does not interfere with its ventilation. For example, the unit should not be placed on a bed, sofa, rug, or similar surface, that may block the ventilation openings; or placed in a built-in installation, such as bookcase or cabinet that may impede the flow of air through the ventilation openings. Heat — The unit should be situated away from heat sources such as radiators, stoves, or other appliances that produce heat. Power Sources — The unit should be connected to a power supply only of the type described in the operating instructions or as marked on the unit. Power-Cord Protection — Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the unit.

for long periods of time, unplug the unit from the wall outlet. This will prevent damage to the product due to lightning and power-line surges. Object and Liquid Entry — Care should be taken so that objects do not fall into and liquids are not spilled into the inside of the unit. For this reason,no objects filled with liquid, such as vases or drinking glasses should be placed on the equipment Damage Requiring Service — The unit should be serviced by qualified service personnel when: — The power-supply cord or the plug has been damaged; — Objects have fallen, or liquid has been spilled into the unit; or the unit has been exposed to rain respectively; — The unit does not appear to operate normally or exhibits a change in performance; — The unit has been dropped, or the cabinet damaged. The Obelisk Si integrated amplifier, just like the optional X-2 power supply unit do not have any user serviceable parts. It is essential that repairs and updates are only carried out by our authorised trade partners – distributors and dealers – , or at the factory by Heed Audio itself. Many components are custom made, tested or matched and appropriate replacements are often unobtainable from other sources. Therefore, users should not attempt to service the units beyond those means described in the operating instructions, or under any circumstances allow anyone to modify them. Unauthorised repairs or modifications will invalidate the guarantee of the units. Grounding or Polarization — Precautions should be taken so that the grounding or polarization is not defeated. Radio interference — All Heed components are designed to provide reasonable protection against harmful interference in a domestic installation. However, there is no guarantee that interference will not occur in a particular installation. If your Obelisk does cause harmful interference to radio or television reception, which can be determined by turning off and on, you are encouraged to try to correct the interference by one or more of the following measures: — Reorient or relocate the receiving antenna; — Increase the separation between amplifier and receiver (radio tuner, television set, etc.); — Connect the equipment into a power outlet on a circuit different from that to which the receiver is connected; — Consult your Heed dealer or an experienced radio/TV technician for help. Maintenance / Cleaning — It is recommended to dust the equipment from time to time with a soft dry cloth. Do not use cleaning solvents or abrasives for cleaning! Always switch off and unplug the unit from the power supply when cleaning!

2 Input Selector Switch 4 Infrared sensor back panel 5 Power on/off switch 15 No. 5. Line level input left channel 6 Mains connector and fuse socket assy. 16 No. 4. Line level input right channel 7 Auxiliary Power Supply connector 17 No. 4. Line level input left channel 8 Loudspeaker right channel “+” connector 18 No. 3. Line level input right channel 9 Loudspeaker right channel “-” connector 19 No. 3. Line level input left channel 10 Loudspeaker left channel “+” connector 20 No. 2. Line level input right channel 11 Loudspeaker left channel “-” connector 21 No. 2. Line level input right channel 12 Pre-out right channel connector 22 No. 1. Line level input right channel 13 Pre-out left channel connector 23 No. 1. Line level input left channel 14 No. 5. Line level input right channel 2 1 4 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 3

dealer. Nevertheless, the procedure is straight-forward enough that you may install your new Obelisk Si yourself by following the instructions contained herein. Should any problems be experienced which are not covered here, contact your local dealer. If you are unable to do so, or problems persist, however, do not hesitate to contact our distributor/trade partner in your country (see our website > www.heedaudio.com > "worldwide distributors" for details), or us directly at Heed Audio …we’re here for you! placement In common with all high-quality audiophile equipment, the Obelisk Si performs optimally when positioned on its own individual mounting surface, ideally a light rigid structure. There are many proprietary purpose-built examples readily available from all better dealers. Always allow adequate ventilation with sufficient airflow around the unit, do not mount on soft surfaces, for example, carpets or soft fabrics. connection to mains supply Before performing any connections or disconnections ensure that the power on/off switch (5) of the unit is in "off" position. Always check that the voltage and frequency of the mains supply corresponds to the specifications as labled on the unit! 1. Connect the power cord's IEC type plug into the power inlet connector (6) of the Obelisk. 2. Connect the power cord's mains plug to your power outlet. input connections The Obelisk has 5 pairs of high quality RCA (cinch) input connections. Number 1 input (22, 23) is a line level connection in a standard configuration. This input, however, can be optionally equipped with the Heed Audio vinyl-1 MM phono module for connecting a turntable, or with the Heed Audio dactyl-1 D-to-A converter module for connecting a CD-transport (or a CD-Player via its digital output respectively), computer music server, or any other source with a digital co-axial output. Number 2 to 5 inputs (14-21) are standard line level inputs. See specifications section for sensitivity data of the inputs. loudspeaker connections The Obelisk is equipped with high quality loudspeaker connectors suitable for 4mm banana plugs, max. 4mm diameter bare wire or x mm spades. When connecting the loudspeaker cables ensure that the speakers are phased correctly i.e. "+" (red) to "+" and "-" (black) to "-".