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Gryphon Commander User Manual

Gryphon Commander
40 pages
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Gryphon Commander Specifications

General IconGeneral
BrandGryphon
ModelCommander
CategoryAmplifier
LanguageEnglish

Summary

The Gryphon Name

The Gryphon Genetic Code

You Have Arrived

Creating an Icon

The Man behind the Brand

The Gryphon Story

Gryphon Design Fundamentals

Dual Mono Configuration

Explains the dual mono design for eliminating crosstalk and providing infinite channel separation.

Power Supply and Circuit Design

Details regulated multi-stage power supplies, PCB trace thickness, and zero negative global feedback.

Engineering Excellence and Build Quality

Chassis Resonance Control

Describes the mechanical design for minimal chassis resonance and vibration-proof environments.

Signal Path Purity

Focuses on bypassing tone controls, optimizing ground paths, and ensuring the shortest conceivable signal path.

Aesthetics and Manufacturing

Timeless Beauty and Aesthetic Perfection

Emphasizes Gryphon's exquisite styling, user-friendliness, and synthesis of form and function.

Bespoke Manufacture for Heirloom Quality

Details the meticulous control over development, production, and quality assurance in Danish facilities.

The Gryphon Commander Preamplifier

Design Philosophy and Evolution

Explains the Commander's design, built on Gryphon's constant pursuit of sonic perfection and advanced engineering.

Commander Preamplifier Features

Advanced Construction and User Interface

Highlights the constrained-layer-damped bottom plate, premium components, and 4.3" TFT capacitive touch display.

Operational Guidelines

Placement and Ventilation

Provides instructions on where to place the component to ensure proper ventilation and avoid overheating.

AC Voltage and Polarity

Advises on correct AC voltage usage and the importance of proper plug polarity for performance.

Care and Maintenance

Offers simple instructions for cleaning metal and acrylic surfaces without damaging the finish.

Cabling Recommendations

Choosing Interconnects and Speaker Cables

Guides users on selecting cables for sonic neutrality, low capacitance, and wide bandwidth to match amplifier performance.

Getting Started

Unpacking and Setup

Refers to a separate document for detailed unpacking and setup instructions.

Critical Safety Instructions

Alerts users to hazardous live AC power and directs them to important safety information.

Installation Procedure

Connecting Preamplifier and Power Supply

Details the connection sequence using DC cables (DC77, DC4) and AC power cords.

Initial Operation

Burn-in and Warm-up Period

Explains the expected performance improvement during the initial hours of use and warm-up time.

Mains Switch Operation

Describes the location and function of the main ON/OFF switches and the ON/STB indicator.

User Interface and Controls

Power and Standby Control

Explains the ON/STB button and indicator for power management.

Display Modes and Operation

Details the two display modes (Operation, Distance) and their behavior.

Commander Functions

Core Controls (Volume, Mute, Input, Monitor)

Explains the functions of Volume, Mute, Input Selection, and Monitor buttons.

Menu Access and Navigation

Guides users on how to enter and navigate the main menu.

Menu Activated Functions: Volume & Display

Volume Settings (Start, Max, Balance)

Details how to adjust start volume, max volume, and inter-channel balance via the menu.

Output Level and Display Brightness

Explains the Output Level option and controls for display intensity, including Auto Dim and Auto Off.

Menu Activated Functions: Bias, IR & Inputs

Green Bias Configuration

Describes how to set Green Bias for power amplifiers based on preamplifier volume control.

IR Source and PSU Options

Covers selecting IR receiver source and enabling/disabling Analog PSU 2.

Input Level Matching

Explains how to trim input gain levels for consistent volume across sources.

Menu Activated Functions: Naming & Restore

Input Naming and AV Input

Guides on naming inputs and configuring a Unity Gain AV input for home theater systems.

Restore Factory Settings

Details the process of resetting all custom settings back to factory defaults.

Remote Control System

Remote Functions and Operation

Explains the functions of ON/STB, MONITOR, MUTE, DISPLAY, VOLUME, and INPUT buttons on the remote.

RC-5 Communication Codes

Lists the specific RC-5 system 16 codes used for controlling the Gryphon Commander.

Battery Replacement Procedure

Provides step-by-step instructions for replacing the remote control's coin cell battery.

Commander Preamplifier Rear Panel

Balanced and Single-Ended Outputs

Describes the balanced and single-ended preamplifier outputs for connecting power amplifiers.

Input Connections

Details the XLR and RCA input connectors for balanced and single-ended sources.

Commander Rear Panel Connections Explained

Link, PSU and Grounding

Covers 12V Link IN/OUT, Analog PSU/Digital PSU inputs, and chassis ground connection.

Service Panel Reminder

Warns against removing the small service panel, which is for service purposes only.

Power Supply Rear Panel Connections

Analog and Digital Power Outputs

Lists the Analog PSU outputs for the preamplifier and other components, and digital DAC supply.

Control Interface and Mains Input

Describes control interface outputs, mains input sockets, and AC fuse holder details.

Green Bias Technology

Automatic Class A Bias Control

Explains how Green Bias links to volume control for automatic Class A bias adjustment in compatible power amplifiers.

Key Product Features

Design and Electronics

Highlights features like exterior design, electronics design, dual mono, zero negative feedback, and relay volume attenuator.

Component Quality and Construction

Details premium capacitors, PCB traces, custom transformers, massive capacitor banks, and linear power supplies.

Advanced Features and Build

User Interface and Connectivity

Covers the 4.3" TFT touch screen, USB firmware upgrades, and connectivity options.

Chassis Design and Efficiency

Mentions separate chassis, decoupled bottom plate, and low standby current consumption.

Technical Specifications

Electrical Performance Metrics

Lists input/output impedance, bandwidth, gain, THD+N, output levels, and power consumption.

Menu Functionality Summary

Summarizes menu-controlled functions including volume, balance, output level, display intensity, and bias setup.

Preamplifier Dimensions

Power Supply Unit Dimensions

Warranty and Support Information

Warranty Terms and Conditions

Outlines the 5-year warranty period, validity, transferability, and conditions that void the warranty.

Warranty Registration and Contact

Explains how to register the warranty online or by mail and directs users to local representatives for support.

Important Safety Instructions & Warnings

General Safety Precautions

Provides essential safety guidelines for operating the apparatus, including electrical safety and environmental considerations.

Battery Safety Warnings

Details warnings related to battery explosion danger and chemical burn hazards from swallowing batteries.

User Notes Area

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