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...
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.
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.
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.
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".
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"...
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.
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.
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:...
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.