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Andrews Amplification Spectraverb 16 Operation Manual

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OPERATION MANUAL
16
01/10/16

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Summary of Contents for Andrews Amplification Spectraverb 16

  • Page 1 OPERATION MANUAL 01/10/16...
  • Page 3 Thank you for purchasing an Andrews Amplifier. The Spectraverb name signifies a full spectrum of tones and reverberation. As with all Andrews amps, these models are built to the highest standards of craftsmanship and are finely tuned for the ultimate tone. This manual will help you to get the most from your new amp.
  • Page 4 FEATURES; • CLASSIC TUBE TONE WITH LUSH SPRING REVERB - Featuring tube driven spring reverb with an innovative reverb drive limiter control. • HAND-WIRED CONSTRUCTION – Also sometimes called “point-to-point” wiring, the Spectraverb amps utilize a very high quality turret board made of super- tough G10 composite.

  • Page 5: Warnings And Precautions

    Warnings and Precautions During operation, vacuum tubes can reach temperatures over 400 degrees F. Do not touch hot tubes. Insure plenty of ventilation behind the amp. Keep the amp away from children as well as curtains and other flammable objects. Do not expose your amplifier to rain.

  • Page 6: Front Panel

    Front Panel 1. INPUT JACKS – For maximum versatility, we have provided two input jacks (labeled High and Low). The High jack provides a bit more drive and sensitivity. The Low jack provides a slight (6dB) attenuation and is useful when a cleaner and slightly darker tone is desired, especially with high output pickups.
  • Page 7 7. REVERB LIMITER CONTROL – An Andrews Exclusive! When the LIMIT control is turned fully clockwise, the reverb functions as it would on other amps with spring reverb. At this setting, you are operating without any limiting. This will provide maximum drive to the spring unit resulting in a very lush, long lasting reverberation.

  • Page 8: Rear Panel

    Standby mode is most useful for silencing the amp during breaks/. 4. SPEAKER JACKS – The Spectraverb 16 is equipped with 3 speaker jacks labeled 4, 8 and 16. These provide properly matched output impedances for 4, 8 and 16 ohm speaker cabinets.

  • Page 9: Tube Replacement

    FOR TECHNICAL TYPES We have provided this information for those who have a technical interest, proper equipment and a DIY attitude. CAUTION! GUITAR AMPLIFIERS CONTAIN LETHAL VOLTAGES. If you have any doubt about your ability to safely perform this procedure, refer the job to a qualified technician! TUBE REPLACEMENT Precautions: Always unplug the amplifier and allow the tubes to cool completely before...
  • Page 10 Bias Adjustment Procedure: Precautions: • Lethal voltages are present inside the chassis and at the tube pins. Do not open the chassis or insert any objects into any openings other than where directed by these instructions. The entire procedure can be accomplished without opening the amp.

  • Page 11: Limited Warranty

    LIMITED WARRANTY – Valid in USA and Canada only Andrews Amp Lab Inc. warrants this product to be free of defects in materials and workmanship for a period of five (5) years from the original date of purchase to the original purchaser.

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