EasyManua.ls Logo

Violectric DHA V226 User Manual

Violectric DHA V226
32 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
HEADPHONE AMPLIFIER
with D/A onverter
Violectric DHA V226
USER´s MANUAL
Question and Answer IconNeed help?

Do you have a question about the Violectric DHA V226 and is the answer not in the manual?

Violectric DHA V226 Specifications

General IconGeneral
BrandViolectric
ModelDHA V226
CategoryAmplifier
LanguageEnglish

Summary

Violectric Equipment Development

Violectric Equipment Manufacturing

Violectric Product Distribution

Violectric Warranty and Support

Important Safety Warnings

Water, Liquids, Moisture

Appliance should not be used near water or liquids to prevent damage.

Power Sources

Connect the appliance only to the specified power supply type.

Grounding

Ensure the appliance is operated only with proper grounding.

Power Cord

Guidelines for routing power cords to prevent damage or hazards.

U.K. Mains Plug Warning

Warning about the unsafety of cut-off moulded UK mains plugs.

Mains Fuse Information

Switchable Power Supply

Service and Repair Policy

Electromagnetic Compatibility (EMC)

Earth and Grounding Concept

General Ground-Lift Jumper

Explains the ex-works LIFT position and its effects on grounding and frequency bleed-off.

EMC Emission Warning

Warning about potential EMC emission if jumpers are not in ex-works position.

General Information and Features

Violectric DHA V226 Case Construction

Ground and Protective Earth Connection

Power Supply Details

Mains Fuse Specification

Violectric DHA V226 Block Circuitry

Power Switch Operation

Analogue Signal Inputs

Digital Signal Input (USB-C)

Pre-Gain Settings

Input Selection and Activation

Digital to Analogue Converter (D/A)

Amplifier Design and Performance

Understanding Pre-Gain Method

Pre-Gain Solution for Volume Matching

Optimizing Pre-Gain Settings

Headphone Amp Pre-Gain Setting

Volume Control and Output Caution

Volume Attenuator Operation

Deactivating and Activating Outputs

Balanced Headphone Output Connectors

Unbalanced Headphone Connector

Unbalanced Line Outputs

Signal Pre/Post Fader Setting

Error Reporting and Protection

Understanding Headphone Amplification

Rationale for Headphone Amplifier Design

Why significant effort is needed to design effective headphone amplifiers for diverse models.

Headphone Parameters: Impedance & Sensitivity

Discusses headphone diversity, impedance, and sensitivity as key operational parameters.

Op-Amps in Low-Level Signal Processing

Rationale for Pre-Gain Function

Frequency Bandwidth Limiting Rationale

Importance of Volume Attenuator

Importance of Low Output Impedance

Importance of High Supply Voltages

Rationale for Amplifier Design

Function of Output Relay

Product Disposal Information

Technical Specifications

Dismantling and Jumper Settings

General Ground-Lift Jumper Adjustment

Visual guide to adjusting the general ground-lift jumper for different grounding configurations.

AC Voltage Selector Adjustment

Visual guide to adjusting the AC voltage selector for different voltage inputs (115V/230V).

EC Conformity Statement

Warranty Information

Related product manuals