Crate CR-1 User Manual

Crate CR-1 User Manual

Limited edition guitar amplifier

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CR-1
LIMITED EDITION
GUITAR AMPLIFIER
USER'S GUIDE

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Summary of Contents for Crate CR-1

  • Page 1 CR-1 LIMITED EDITION GUITAR AMPLIFIER USER’S GUIDE...
  • Page 2: Table Of Contents

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER Table of Contents: What Were We Thinking?..............3 The Front Panel................4,5 The Rear Panel ..................5 Important Information About Tubes and Tube Products A Brief History Of The Tube ............6 Tube Types and Usage..............6,7 The Nature of Tubes: Why (and When) to Replace Them ..7,8 The Importance of Proper Biasing..........8...
  • Page 3: What Were We Thinking

    This limited edition CR-1 embodies a great mix of the old and the new. The timeless wooden crate, built like a tank and uniquely different, has been given the new soul of a pure tube preamp and the loudest, most toneful 5 watt Class A tube power amp imaginable.
  • Page 4: The Front Panel

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER The Front Panel: 1. Input: Connect your instrument here by means of a shielded signal cable. 2. Gain: This control is only active when the Gain On/Off switch (#3) is depressed. Use the Gain control to boost the gain of the input sig- nal.
  • Page 5: The Rear Panel

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER The Front Panel (continued): 6. Line Out: Use this jack to send a line level signal from the amplifier to a mixing board, external amplifier or powered monitor, or a recording device. WARNING: Do not attempt to use headphones in the Line Out jack! 7.
  • Page 6: Important Information About Tubes And Tube Products

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER Important Information About Tubes and Tube Products: A Brief History Of The Tube: In 1883, Edison discovered that electrons would flow from a suspended filament when enclosed in an evac- uated lamp. Years later, in 1905, Fleming expanded on Edison's discovery and created the "Fleming Valve".
  • Page 7: The Nature Of Tubes: Why (And When) To Replace Them

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER Important Information About Tubes and Tube Products (continued): "looser" low-end response and produces more harmonics at mid and high frequencies ("creamier" sound). These differences become more noticeable at higher volumes. The EL84 and 6L6 tubes produce a big low-end thump and have a very good dynamic range. They offer a more traditional "American Rock"...
  • Page 8: The Importance Of Proper Biasing

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER Important Information About Tubes and Tube Products (continued): You can check your preamplifier tubes for microphonics by turning the amplifier on, turning up the gain and tapping lightly on each tube with the end of a pencil or a chop stick (my favorite). You will be able to hear the tapping through your speakers, which is normal.
  • Page 9: Survival Tips For Tube Amplifiers

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER Important Information About Tubes and Tube Products (continued): Survival Tips For Tube Amplifiers: To prolong tube life, observe these tips and recommendations: • Match the impedance of your speaker cabinet(s) to your amplifier. Improper impedance matching will con- tribute to early tube degradation and may cause premature tube failure.
  • Page 10: Suggested Settings

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER Suggested Settings CLEAN SOUND: CRUNCHY ROCK: PICK ATTACK: CHOCOLATE: CHUNKS: 1 1 0 0...
  • Page 11: System Block Diagram

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER System Block Diagram: 12AX7A 12AX7A EL84 SPEAKER INPUT VOLUME TONE GAIN LINE OUT Declaration Of Conformity #35, Effective 01-01-2001 Manufacturer’s Name: SLM Electronics Production Facility: 11880 Borman Drive, St. Louis, MO 63146, USA Production Facility:...
  • Page 12: Technical Specifications

    SIZE AND WEIGHT 17-14” H x 15-1/4” W x 9”D; 21 lbs. Crate continually develops new products, as well as improves existing ones. For this reason, the specifications and information in this Crate manual are subject to change without notice.

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