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MANTIS SERIES AMPLIFIERS
Operations Manual
For
Mantis 89 / Mantis Jr models
Fuchs Audio Technology®
407 Getty Ave, Clifton, NJ 07015
(973) 772-4420 (fax) 973-772-4460
Website: www.fuchsaudiotechnology.com
Email:
info@fuchsaudiotechnology.com
2000-2021 Fuchs Audio Technology. All
rights reserved.
12-01-2021-AMF Rev-1.1
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Summary of Contents for Fuchs Audio Technology Mantis Series
- Page 1 MANTIS SERIES AMPLIFIERS Operations Manual Mantis 89 / Mantis Jr models Fuchs Audio Technology® 407 Getty Ave, Clifton, NJ 07015 (973) 772-4420 (fax) 973-772-4460 Website: www.fuchsaudiotechnology.com Email: info@fuchsaudiotechnology.com 2000-2021 Fuchs Audio Technology. All rights reserved. 12-01-2021-AMF Rev-1.1...
- Page 2 Welcome to the Fuchs family, Andy Fuchs President Fuchs Audio Technology LLC Fuchs Audio Technology 407 Getty Ave, Clifton, NJ 07011 (973) 772-4420 (fax) 973-772-4460 Website: www.fuchsaudiotechnology.com Email: info@fuchsaudiotechnology.com (“Fuchs Audio Technology” & all product names are registered trademarks of Fuchs Audio Technology)
- Page 3 Please Read before powering up your amp Diagrams- FRONT/REAR panels, Tube bias diagram Front Panel Controls, Inputs & Functions Rear Panel Controls, Inputs/Outputs Biasing The Amplifier Power Tubes, Warnings and Technical Information Warranty/repair information & mail-in warranty form 2000-2021 Fuchs Audio Technology. All rights reserved.
- Page 4 AMPLIFIERS ™ Having become one of Fuchs Audio Technology’s bestselling amplifiers, the Mantis 89® Series series ™ brings the premium build quality and breathtaking tones people expect of Fuchs products into an affordable price range. The Mantis 89® Series are based on a three 12AX7 preamp stage, and each model has its own unique power stage.
- Page 5 2. PLEASE READ BEFORE POWERING UP YOUR AMPLIFIER. NOTE: Please see Panel Diagrams in Section 3 for assistance. 1) Inspect to make sure power & pre-amp tubes are intact & snuggly seated in their sockets. 2) Make certain a speaker (load) is plugged into speaker input jack on the back of the amplifier.
- Page 6 3. DIAGRAMS OF FRONT & REAR PANELS, TUBE BIAS DIAGRAM Front Panel Rear Panel Tube Bias Diagram...
- Page 7 PREAMP TUBES AND THEIR FUNCTIONS: V-1 12AX7 (nearest to input jack). Main input preamp, first clean and overdrive preamp (premium tube recommended) V-2 12AX7 (middle tube) Gain stage/ tone stack V-3 V-3 12AX7 Phase inverter/driver tube 4. FRONT PANEL CONTROLS, INPUTS & THEIR FUNCTIONS Input Jack: Input jack is a 1/4"...
- Page 8 Low Control: Adjust the Low control to taste, it adjusts the low frequency spectrum of your amplifier. 800 Master: The 800-Master sets the volume for the 800 channel. This control pulls out to switch to the 900 channel manually. The footswitch is disengaged when the control is pulled. 900-Master: The 900-Master controls the volume of the amp in channel-2 (high gain) mode.
- Page 9 Refer servicing to the factory or to someone with experience servicing these types of amplifiers. DISCLAIMER: Fuchs Audio Technology, LLC®, its subsidiaries, affiliates and/or agents shall have no responsibility for, nor shall they be held liable for any harm of any kind to any person/s or property (including damage to this amplifier) as a result of improper and/or unauthorized service, repair or internal adjustments made to this amplifier.
- Page 10 FCC COMPLIANCE STATEMENT: This equipment has been tested and found to comply with the limits of Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
- Page 11 DISCLAIMERS: Δ Read, retain, and follow all instructions. Heed all warnings. Δ Only connect the power supply cord to an earth grounded AC receptacle in accordance with the voltage and frequency ratings listed under INPUT POWER on the rear panel of this product. Δ...
- Page 12 Δ CAUTION: No user serviceable parts inside, refer servicing to qualified personnel only. Δ Fuchs ® amplifiers and loudspeaker systems are capable of producing very high sound pressure levels which may cause temporary or permanent hearing damage. Use care when setting and adjusting volume levels during use.
- Page 13 Your warranty form/information must be returned to Fuchs Audio Technology within 30 days of purchase, or your warranty will not be in effect. Fuchs Audio Technology reserves the right to suspend or terminate the above warranty at our sole discretion, should damage from any of the above limitations and or exclusions be detected upon examination.
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Page 14: Warranty Registration Form
WARRANTY REGISTRATION FORM This completed form must be returned to Fuchs Audio Technology or the (Fuchs distributor where you are located) within 30 days of purchase along with a copy of your receipt from your authorized dealer. Keep a copy for your records and you may send a copy to Fuchs US so we may add you to our customer e-mail list. - Page 15 All Fuchs Products are Distributed in the EU through Audiowerk Distribution and Logistics. AUDIOWERK e.Kfm.| Schulstrasse 30 | 55595 Hargesheim - Germany | Tel +49 (0) 671 - 2135420 | Fax +49 (0) 671 - 2135419 www.audiowerk.eu | info@audiowerk.eu Thank you for choosing Fuchs! Fuchs Audio Technology. 2000-2021 All rights reserved.