HEED OBELISK Si User Manual

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.
integrated amplifier
OBELISK Si
Please read them carefully.
u

HEED OBELISK Si Specifications

General

Brand	HEED
Model	OBELISK Si
Category	Amplifier
Language	English

Summary

Precautions

General Safety and Environmental Precautions

Covers advice on water, ventilation, heat, power, lightning, and object entry to ensure safe operation.

Service and Damage

Details conditions requiring professional service and warnings against self-repair or modification.

Electrical Precautions

Addresses grounding, polarization, and steps to mitigate radio interference.

Rear Panel Connections

Rear Panel Connectors and Ports

Installation

Connecting to Mains Supply

Input Connections

Loudspeaker Connections

Loudspeaker Connection Guidelines

Pre-out Connection

Pre-amplifier Output Usage

Operation

Getting Started and Listening

Guides users through initial setup, source selection, volume adjustment, and warm-up for optimal listening.

Upgrade Options

Installing MM Phono and DAC Modules

Module Installation Steps

OBELISK X-2 Power Supply

Connecting the X-2 Power Supply

Provides step-by-step instructions for connecting the optional Obelisk X-2 power supply.

OBELISK PAS Stereo Power Amplifier

Connecting the PAS Amplifier