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Custom 40
&
Custom 80
Owner's Manual
DC Developments
Musical Equipment Design & Development
Unit 13 Rosshill Industrial Park, Southend-on-sea, Essex SS2 5PZ England
Tel/Fax +44 (0)1702 610964
www.dc-developments.com
© 2000-2007 CORNELL Musical Equipment Design & Development
1

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Summary of Contents for Cornell Custom 40

  • Page 1 Custom 40 & Custom 80 Owner’s Manual DC Developments Musical Equipment Design & Development Unit 13 Rosshill Industrial Park, Southend-on-sea, Essex SS2 5PZ England Tel/Fax +44 (0)1702 610964 www.dc-developments.com © 2000-2007 CORNELL Musical Equipment Design & Development...
  • Page 2: Table Of Contents

    No user serviceable parts inside. Refer servicing to qualified personnel only. This unit must be earthed. Use the correct mains cord. If you require any further information regarding the Custom 40 or Custom 80 amplifier, or any other CORNELL products, please do not hesitate in contacting us (details on front page).
  • Page 3: Introduction

    Introduction Thank you for choosing a Cornell Custom 40 / Custom 80 amplifier. Your amplifier employs valve technology, and is hand built to the highest standards. Only top quality components are used in our amplifiers, so that you can enjoy years of trouble-free use.
  • Page 4: Technical Design

    Technical Design The Pre-amplifier The Custom 40 / Custom 80 is designed to be simple in use, and yet produce the wide range of sounds that the musician of today expects from a professional amplifier. The BASS and TREBLE controls work over the entire frequency range of your guitar, allowing for increased amounts of low and high frequency adjustment.
  • Page 5: Controls

    After switching off the amp, it takes a few seconds for the thermistor to cool down and to return to its initial, protective resistance value. © 2000-2007 CORNELL Musical Equipment Design & Development...
  • Page 6: Specifications

    Custom 80 ....... 230 Volt AC, 50Hz, 280 Watts 115 Volt AC, 60Hz, 280 Watts FUSES Custom 40 ......1 Amp, 240v Slo-blow for the 230v model 2 Amp, 120v Slo-blow for the 115v model Custom 80 ......2 Amp, 240v Slo-blow for the 230v model 4 Amp, 120v Slo-blow for the 115v model INPUT IMPEDANCE ......
  • Page 7: Valve Replacement

    The Custom 40 amplifier has three pre-amp valves (12AX7/ECC83) and two power valves (6L6). The Custom 80 has the same pre-amp valves and four 6L6 output valves.
  • Page 8: Block Diagram

    Connect 2 to C&F (Black/Brown) Orange) Join C & D (Black/Red) (T 4 Amp Fuse) B & E (Yellow/Orange) B&E (Yellow/Orange) C&F (Black/Brown) - no connection - no connection - no connection © 2000-2007 CORNELL Musical Equipment Design & Development...

This manual is also suitable for:

Custom 80

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