Trinity Amps Overdrive Special Design Manuals

Manuals and User Guides for Trinity Amps Overdrive Special Design. We have 1 Trinity Amps Overdrive Special Design manual available for free PDF download: Builder's Manual

Trinity Amps Overdrive Special Design Builder's Manual

Trinity Amps Overdrive Special Design Builder's Manual (126 pages)

Overdrive Special Design

Brand: Trinity Amps | Category: Amplifier | Size: 4 MB

Table of Contents

Table of Contents
3
Table of Contents
5
Introduction
7
Acknowledgements
7
Warning
8
- Please Read this Information Carefully
  8
Version Control
9
About the OSD
11
Guitar Amplifier Basics
12
- Dumble Tone Stack - from Merlin
  15
General Amplifier Operation
17
- Some DO NOTS
  17
- Some Dos
  17
Introduction to Vacuum Tubes and Common Terms
18
Building an Amp
21
- Introduction
  21
- Switches and Wire
  21
- Physical Layout
  21
- Grounding
  21
- Insulated Jacks
  22
- Minimizing Transformer Interference
  22
- Wiring
  22
Assembling the Amp
23
- Before You Begin
  23
- Tools
  23
- Soldering
  23
- Tube Pin Numbering
  24
Check Your Kit
25
OSD Build Steps Summary
25
Install All the Hardware
26
Install Terminal Strips
30
Install Terminal Strip Components
35
Install Components on the Send Return Jacks and Bias Points
38
Install the Ground Bus
39
Connect Components to the Ground Bus
40
Build the RELAY Board
44
Install the Power Transformer and Output Transformer
47
- Wire the Output Transformer
  47
- Wire the Impedance Selector and Output Jacks
  49
Wiring the Power Transformer Primary Leads
50
- Mains
  50
- Mains
  51
  - Test the Power Transformer
    52
  - Test the Overdrive RELAY Board
    54
Build the Eyelet Board. Install It in the Chassis
55
- Eyelet Board General Assembly Notes
  57
  - Eyelet Board Assembly
    59
Connect Eyelet Board Ground Points
66
Connecting the Eyelet Board to Tube Sockets
67
Connecting the Eyelet Board to the Controls
72
- Shielded Cable
  72
Wire the RELAY Board to the Foot Switch Chassis Socket
80
Complete the Power Transformer Secondary Wiring
82
Complete Output Transformer Wiring
85
Wire the Heaters
87
Double Check
89
Build the Footswitch Box, Cable and DIN Connector
90
Start-Up Procedure
91
- Making a Voltage Measurement
  91
- Discharging the Power Supply
  91
Quick OSD Setup
94
Using the OSD Controls
95
Trinity Amps OSD OSD 6V6 Voltage Chart
96
Trinity Amps OSD 6L6 Voltage Chart
97
Warning
98
- Read this Information Carefully
  98
Troubleshooting
99
- Hum
  99
- Volume Test
  99
- Faulty Tube
  100
- Severely Unmatched Output Tubes in a Push Pull Amplifier
  100
- Faulty Power Supply Filter Caps
  100
- Faulty Bias Supply in Fixed Bias Amplifiers
  101
- Unbalanced or Not-Ground-Referenced Filament Winding
  101
- Defective Input Jack
  101
- Poor AC Grounding
  101
- Induced Hum
  101
- Poor Internal Wire Routing
  102
- Poor AC Chassis Ground at Power Transformer
  102
- Defective Internal Grounding
  102
- Hiss
  102
- Metal Film Resistor Substitutions
  102
- Squealing/Feedback
  103
- Radio Interference
  103
- Scratchy Sounds on Potentiometer(S)
  103
- Amp Buzz or Rattle When Installed in Cabinet
  103
Tone Tweaking
106
- General Tips for Fine Tuning Your Amp
  106
Appendix 1 - Running 6L6 Tubes in the OSD
108
- Calculating Power Tube Bias
  108
Appendix 2 - Installing the Buffered Effects Loop
109
Appendix 3 - How to Read Resistor Color Codes
112
- First the Code
  112
- How to Read the Color Code
  112
Appendix 4 - How to Read Capacitor Codes
113
Appendix 5 - FAQ
115
Appendix 6 - Cliff Jacks Explained
117
Appendix 7 - Additional Mains Wiring Schematics
118
Appendix 8- OSD Bill of Materials
120
Addendum - Footswitch - Relay Board Connection
124
Trinity Amps Schematics and Layouts
126

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