Blackstar HT-20R MkII User Manual

11
Owner’s Manual
Blackstar Amplification Ltd, Beckett House, 14 Billing Road, Northampton, NN1 5AW, UK
For the latest information go to: www.blackstaramps.com
Whilst the information contained herein is correct at the time of publication, due to our policy of constant improvement
and development, Blackstar Amplification Ltd reserves the right to alter specifications without prior notice.
Designed and Engineered by
Blackstar Amplification UK
126400M-1 01/19
HT-5R MkII / HT-5RH MkII
HT-20R MkII / HT-20RH MkII

Blackstar HT-20R MkII Specifications

General

Wattage	20W
Channels	2
Effects	Reverb
Effects Loop	Yes
Tubes	2 x ECC83, 2 x EL84
Inputs	1 x 1/4"
EQ Controls	Bass, Middle, Treble
Footswitch	Optional
Outputs	1 x 1/4" (Speaker), 1 x 1/4" (Emulated Output)

Summary

Owner's Manual

Important Safety Instructions

General Safety Guidelines

Essential safety guidelines for operating the apparatus safely, covering water, heat, and ventilation.

Electrical Safety and Servicing

Instructions on plug types, power cord handling, servicing, and avoiding electrical hazards.

Amplifier Operational Warnings

Usage Precautions

Precautions regarding internal voltages, cleaning, condensation, and unauthorized modifications.

Hearing Protection and Noise Exposure

Guidance on noise exposure limits and the necessity of hearing protection at high volumes.

Introduction and Features Overview

Product Introduction

Welcome and overview of the Blackstar HT MkII amplifier series and design philosophy.

Key Amplifier Features

Description of the two-channel design, ISF, reverb, power scaling, and USB connectivity.

Front Panel Controls - Channels

Clean Channel Controls

Details the Input, Volume, Voice Switch, and Tone controls for the Clean Channel.

Overdrive Channel Controls

Explains OD Select, Gain, Voice Switch, Volume, and EQ for the Overdrive Channel.

Front Panel Master Controls and Rear Panel Inputs

Master Section Controls

Controls for Reverb, Volume (HT-20R/RH MkII), Power Switch, and Power Indicator.

Rear Panel Inputs and Fuses

Information on Mains Fuse, Mains Input, H.T. Fuse, and Speaker Outputs.

Rear Panel Outputs and Connectivity

Emulated Outputs and Cabinet Switch

Details on XLR/Jack emulated outputs, cabinet emulation, and headphone use.

Effects Loop and Footswitch Connection

Guidance on Effects Loop levels, return, send, and footswitch for external control.

Technical Specifications

Model-Specific Specifications

Detailed specs for HT-5R/RH MkII and HT-20R/RH MkII models including power, valves, dimensions, and weight.

Additional Connections and Security

MP3/Line In and Effects Loop

Instructions for connecting external audio devices and effects units.

Footswitch and Kensington Lock

Guidance on using the footswitch and securing the amplifier with a Kensington Lock.