aion SKYWAVE Handbuch - Seite 2

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1 Project Overview

2 Introduction & Usage

INTRODUCTION

The Skywave Germanium Drive is an adaptation of the Hudson Electronics Broadcast, a germanium

preamp/overdrive pedal based on vintage broadcast consoles from the 1960s. It uses a hybrid of silicon

and germanium transistors in class-A configuration, plus a transformer at the output that saturates on

higher drive levels.

The Broadcast was originally released in 2015, and has since had a few new variants including one that

runs on 24V and another with a second footswitchable gain mode with its own level control. (There was

also a limited-run version that combined both of these features into one.)

The Skywave is primarily based on the original Broadcast, but it adds a voltage-tripler circuit to allow

selectable 18V or 24V power from a standard 9V supply. It also incorporates a 3-way gain switch, adding

an extra position adapted from the 24V version of the Broadcast.

USAGE

The Skywave has three knobs, one toggle, and one internal slide switch:

• Gain sets the amount of feedback from the germanium transistor stage that is fed back into the

initial silicon transistor stage.

• Low Cut cuts the bass frequencies as it's turned up, going from mushy or flabby to tight, with the

right mix of fullness somewhere in between.

• Level is an output volume control.

• Gain Mode (toggle) selects between three gain ratios for the first transistor stage-low, medium

and high-which affect the range of the Gain knob.

• Voltage (slide switch) selects between 9V, 18V and 24V supply voltages.

SKYWAVE GERMANIUM DRIVE

11 Licensing

TABLE OF CONTENTS