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integrated amplifier
OBELISK Si
Users Manual
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!
Your Heed Obelisk Si integrated amplifier is designed to offer the finest performance
available by 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.
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Related Manuals for HEED OBELISK Si
Summary of Contents for HEED OBELISK Si
- Page 1 Users Manual 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.
- Page 2 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.
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Page 3: Front Panel
front panel Volume Knob Position and on/off indicator LEDs Input Selector Switch Infrared sensor rear panel Power on/off switch No. 5. Line level input right channel Mains connector and fuse socket assy No. 4. Line level input left channel Auxiliary Power Supply connector No. -
Page 4: Installation
We believe that a Heed Audio component should be, optimally, installed by an approved Heed 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 / reseller in your country (see our website >... -
Page 5: Loudspeaker Connections
(pre-amplifier output) Your Obelisk Si has a pre-out (RCA) connection (12,13). Here you can connect an additional Heed Audio Obelisk PAS stereo power amplifier for bi-amplification, or, alternately, make use of this facility to connect your Obelisk Si to an analog recording device (tape or CD recorder), or headphone amplifier, ideally our Heed Audio CanAmp. -
Page 6: Upgrade Options
(moving-magnet) of your turntable. Alternatively, upon installation of the Heed Audio Dactil-1 DAC module, your Obelisk will be able to take the digital signal of a CD-Transport or a CD-Player (or any other source with a digital co-axial output) and convert it into a line-level analogue signal. - Page 7 OBELISK X-2 power supply The Obelisk X-2 is an optional auxiliary power supply which not only increases the output power of the Obelisk Si integrated amplifier but also dramatically improves its sonic performance. In this enhanced 2-box configuration, the Obelisk X-2 will support the power amplifier stage of your Obelisk Si integrated amplifier while the built-in power supply will continue to support the Si's pre-amplifier stage alone.
- Page 8 5 kg WARRANTY If within three years of the purchase date your Heed OBELISK Si proves to be defective for any reason other than accident, misuse, neglect, unauthorised modification or fair wear and tear, Heed Audio Ltd. will, at its discretion, replace the faulty parts without charge for labour.This factory warranty is valid only for units sold into countries with no appointed Heed distributor.
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