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Crate Amplifiers CR-1 manual

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Table of contents for the manual

  • Page 1

    LIMITED EDITION GUITAR AMPLIFIER CR-1 USER ’ S GUIDE[...]

  • Page 2

    T able of Contents: What Were W e Thinking? ...................................................................3 The Front Panel ................................................................................4,5 The Rear Panel ....................................................................................5 Important Information About T ubes a[...]

  • Page 3

    CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER What W ere We Thinking? The year was 1978 - the first CR-1 was introduced to fill the needs of musi- cians looking for a great sounding, indestructible guitar amplifier that was easy to use, affordable, and loud. Crate was “an original” back then, and throughout our history , originality and innovatio[...]

  • Page 4

    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. The maximum amount of additional gain available is 30dB with this control rotated fully clockwise. 3. Gain On/O[...]

  • Page 5

    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. W ARNING: Do not attempt to use headphones in the Line Out jack! 7. Power: Use this switch to turn the amplifier on (toggled down) and off (toggled up). The red lamp[...]

  • Page 6

    6 6 Important Information About T ubes and T ube Products: A Brief History Of The T ube: In 1883, Edison discovered that electrons would flow from a suspended filament when enclosed in an evac- uated lamp. Y ears later , in 1905, Fleming expanded on Edison's discovery and created the "Fleming V alve". Then, in 1907, Dr . Lee de Fores[...]

  • Page 7

    7 7 Important Information About T ubes and T ube 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 of fe[...]

  • Page 8

    8 8 Important Information About T ubes and T ube Products (continued): Y ou 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). Y ou will be able to hear the tapping through your speakers, which is normal. It is n[...]

  • Page 9

    9 9 Important Information About T ubes and T ube Products (continued): Survival T ips For T ube Amplifiers: T o 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

    1 1 0 0 Suggested Settings CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER OUT OUT IN IN IN CLEAN SOUND: CRUNCHY ROCK: PICK ATTACK: CHOCOLATE: CHUNKS:[...]

  • Page 11

    1 1 1 1 System Block Diagram: CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER INPUT GAIN ON/ OFF VOLUME TONE SPEAKER LINE OUT 12AX7A V1A 12AX7A V1B EL84 V2 Declaration Of Conformity #35, Effective 01-01-2001 Manufacturer ’ s Name: SLM Electronics Production Facility: 1 1880 Borman Drive, St. Louis, MO 63146, USA Production Facility: 700 Hwy 202 W , Y[...]

  • Page 12

    ©2003 Crate Amplifiers • A division of St. Louis Music 1400 Ferguson Avenue • St. Louis, MO 63133 CRATE CR-1 LIMITED EDITION GUITAR AMPLIFIER T echnical Specifications: OUTPUT POWER RA TING 5 W RMS @ 10%THD, 8 ohm load, 120 V AC INPUT IMPEDANCE 1 M ohm MAX. SIGNAL ACCEPTED 2v peak-to-peak SIGNAL TO NOISE RA TIO 70dB typ GAIN 60dB w/ Gain switc[...]