Generally PDF files can be viewed in the browser but it is probably better to,
right click and download then for your future off-line reference

Components and Parts

BC184C - Fairchild Semiconductor
BC546/7/ 8 - Philips Semiconductor
BC549_550 - Philips Semiconductor
BD139 - Fairchild Semiconductor

2N3904 -Symmetry Design Systems
2N4401 - Fairchild Semiconductor

2N5457/8/9 - Fairchild Semiconductor
2N5459 - Fairchild Semiconductor

uA7800 positive reulators
uA7900 negative regulators
TL783 adjustable regulator (high voltage)

INA217 - Texas Instruments (Burr-Brown)
INA163 - Texas Instruments (Burr-Brown)
LM833 - National Semiconductor Corporation & Application notes
NE5532 A - Fairchild Semiconductor
NE5532 B - Texas Instruments
NE5532/3/44 C - Philips Semiconductors application note AN142 Audio circuits using the NE5532/3/4
OPA6204 - Texas Instruments (Burr-Brown)
OPA2134 - Texas Instruments (Burr-Brown)
SSM2017 - Analog Devices - Self contained Microphone pre-amp
SSM2019 - Analog Devices - Self contained Microphone pre-amp
SSM2142 - Analog Devices - Balanced Line Driver
SSM2143 - Analog Devices - Balanced Line Receiver

Manufacturers Application Notes and Tech Bulletins

sboa031.pdf - Texas Instruments (Burr-Brown)
DOUBLE THE OUTPUT CURRENT TO A LOAD WITH THE DUAL OPA2604 AUDIO OP AMP

Manuals

LA4 User Manual - Urei ( United Recording Electronics Industries )

Auditronics 501 - Son of Grand
Draft 1 - A draft copy of the re-typed, main text section of the manual
Draft 2 - Section 6 - just a short list of the main schematics

1178 - Urei
Neve BCM10
Neve 24 input mixer
Neve 5524E
2254ep11.txt - set up page 11 - here temporarily, so be fast
2254ep12.txt - set up page 12 - here temporarily, so be fast
Neve 33609c

these manuals are a work in progress and as with all things ... it takes time and effort

Mods

LA3a Mods - Ed Evans Circa 1991, update 2003

Midi Info
A simple Music MidiFfile that illustrates what midi is, perhaps not the best example but this will show might might be achieved.
( the 007 theme ) midi file
A very old information sheet from Roland that helps to explain what Midi is. Roland Midi Basics

PDF Files
PDF files can be viewed in the browser
but it is probably better to right click and download for your future off-line reference
Roland Midi Basics
simple circuit for passive monitoring
simple pasive circuit to add to a VU meter
John Hardy's 990 discrete op-amp (please do visit John's site)
Sowter 8751 wiring colour code
Sowter 9002 wiring colour code
Sowter 9160 wiring colour code
Sowter 9165 wiring colour code
Great River Opamp 2 - many thanks to Dan Kennedy
Some of Kev's favourites - a collection bits and pieces and their part numbers

The Burnley Files
Tips and tricks from Mark Burnley
Getting your DIY projects working - Signal Tracing
Getting to know electronic components - Resistors !
Typical transformer connections - very helpful to all

Schematics
Schematic of the Green-Pre MkI drawn by Pete C.
simple power supply schematic to power Neve Clones from a single 24V AC adapter - many thanks to TeeKay
Mic-pre with an INA103KP from Tom J Schum
430 service folder (zip)
Amek 9098 mic-pre - thanks Danielle

Tube data
6L6GC
6V6GT
12AT7
12AX7
5881
7025
ECC81
ECC83
EL34

The Jones Files
various schematics which include the
GEMINI EASY RIDER
ADR COMPEX
and other related material

home

what is the
DIY Factory ?

data

projects

parts and part numbers

Shop

factory partners