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Crate V18-112 manual

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Table of contents for the manual

  • Page 1

    V1 8 - 112 V1 8 - 21 2 T ube Guitar Amplifier with Rev erb Owner’ s Manual[...]

  • Page 2

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 2 IMPORT ANT SAFETY INSTRUCTIONS • READ, FOLLOW , HEED, AND KEEP ALL INSTRUCTIONS AND WARNINGS. • DO NOT OPERA TE NEAR ANY HEA T SOURCE AND DO NOT BLOCK ANY VENTILA TION OPENINGS ON THIS APP ARA TUS. FOR PROPER OPERA TION, THIS UNIT REQUIRES 3” (75mm) OF WELL VENTILA TED SP ACE AROUND HEA [...]

  • Page 3

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 3 Intr oduction Congratulations! Y ou are now the pr oud owner of a Crate V18-112 or V18-212 tube guitar amplifier . This combo amplifier packs a whole lot of vintage tube sound and classic spring r everb into its compact cabinet, providing you with an amp that is portable and easy to oper- ate,[...]

  • Page 4

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 4 The Fr ont Panel 1. INPUT: Use this jack to connect your guitar to the amplifier using a shielded instrument cable. 2. GAIN: Use this to adjust the gain for the channel’ s Over drive. W ith the contr ol turned counter-clockwise, the gain is low and very little distortion is present. As you r[...]

  • Page 5

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 5 The Rear Panel 11. AC LINE CORD: The gr ounded power cor d should only be plugged into a gr ounded power outlet that meets all applicable electrical codes, and is compatible with the voltage, power , and fr equency requir ements stated on the V50-112 r ear panel. Do not attempt to defeat the s[...]

  • Page 6

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 6 A Brief History Of The T ube: In 1883, Edison discover ed that electrons would flow fr om a suspended filament when enclosed in an evacuated lamp. Y ears later , in 1905, Fleming expanded on Edison’ s discovery and cr eated the “Fleming Valve.” Then, in 1907, Dr . Lee de Forest added a t[...]

  • Page 7

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 7 The power tubes ar e the lar gest tubes used in an amplifier . These tubes conver t the low-level, conditioned signal fr om the preamplifier into a level that is sufficient to drive the speakers. Ther e are several types of power tubes available, each of which offers a different perfor- mance/[...]

  • Page 8

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 8 Whenever you r eplace the power tube(s): • Always have the amplifier’ s bias voltage checked by a qualified service center . Impr oper bias voltage will cause degradation in performance and possibly damage the tubes and/or the amplifier . (See “The Importance of Proper Biasing”, below [...]

  • Page 9

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 9 Important Information About T ubes and T ube Pr oducts (continued): Survival Tips For T ube Amplifiers: T o pr olong tube life, observe these tips and recommendations: • Match the impedance of your speaker cabinet(s) to your amplifier . Impr oper impedance matching will contribute to early t[...]

  • Page 10

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 10 System Block Diagram GUITAR INPUT OVERDRIVE GAIN REVERB LEVEL REVERB IN 8 OHM INTERNAL SPEAKER LINE OUT REVERB OUT OVERDRIVE LEVEL 12AX7A V1A 12AX7A V1B 12AX7A V2A 12AX7A V2B PHASE SPLITTER EL84 EL84 12AX7A V3A 12AX7A V3B BASS TREBLE MID[...]

  • Page 11

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 11 Declaration Of Conformity Manufacturer: LOUD T echnologies Inc. 16220 Wood-Red Rd. NE Woodinville, W A 98072, USA Product Name: Crate V18-1 12/V18-212 Product T ype: Audio Amplifier Complies with Standards: L VD: 92/31/EEC, 93/68/EEC, & 73/23/EWG Safety: EN60065 EMC: EN55013, EN55020, EN5[...]

  • Page 12

    V18- 112/V18-2 12 T ube Guitar Amplifier with Rev erb 12 www .crateamps.com @2007 LOUD T echnologies Inc. 16220 Wood-Red Road NE • W oodinville, W A 98072 Part No. 0024535 Rev . A1 04/07 V18-112/V18-212 TECHNICAL SPECIFICA TIONS Output Power Rating 18 W rms @ 5% THD, 8 ohm load, 120 VAC Signal-to-Noise Ratio 42 dB, T ypical Gain 98 dB, all contr [...]