Electro harmonix metal muff owner manual

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- OPERATION AND WARNINGS - Power, from the internal 9-volt battery or external battery eliminator, is activated by plugging into the input. The input cable should be removed when the unit is not in use to avoid running down the battery. The input im pedance presented at the Input Jack is 1Mohm. The output impedance at the Output J ack is 600 ohms. The barrel connector on the front of the METAL MUFF is for a 9-volt battery eliminator capable of delivering 100 mA of current. The inner ring of the 9-volt battery eliminator must be negative, the outer ring positive. The units battery may be left in or taken out when the eliminator is in u se. To achieve its biting distortion, the METAL MUFF ha s very high maximum gain. This requires that both the pickups and cables be well s hielded and properly grounded to avoid excessive hum when high sustain control setti ngs are used. To change the 9-volt battery, you must remove the 4 screws on the bottom of the METAL MUFF. Once the screws are removed, you can take off the bottom plate and change the battery. Please do not touch the circuit board while the bottom plate is off or you may damage a c omponent. The optional 9V power supply from Electro-Harmonix is US96DC-200BI (same as used by Boss ™ & Ibanez™) 9.6 volts/DC 200ma. The barrel connector on the front of the METAL MUFF is for the 9-volt battery e liminator capable of delivering 100 mA of current. The inner ring of the 9-volt battery eliminator must be negative, the outer ring positive. The units battery may be left in or taken out when the eliminator is in use. - WARRANTY INFORMATION - Please register online at http://www.ehx.com/produc t-registration or complete and return the enclosed warranty card within 10 days of purchase. Electro-Harmonix will repair or replace, at its discretion, a product tha t fails to operate due to defects in materials or workmanship for a period of one year f rom date of purchase. This applies only to original purchasers who have bought their product from an authorized Electro-Harmonix retailer. Repaired or replaced uni ts will then be warranted for the unexpired portion of the original warranty term. If you should need to return your unit for service within the warranty period, please contact the appropriate office listed below. Custom ers outside the regions listed below, please contact EHX Customer Service for info rmation on warranty repairs at info@ehx.com or +1-718-937-8300. USA and Canadian c ustomers: please obtain a Return Authorization Number (RA#) from EHX Customer Service before returning your product. Include with your returned unit: a w ritten description of the problem as well as your name, address, telephone number, e- mail address, and RA#; and a copy of your receipt clearly showing the purchase d ate. United States & Canada EHX CUSTOMER SERVICE ELECTRO-HARMONIX c/o NEW SENSOR CORP. 55-01 2ND STREET LONG ISLAND CITY, NY 11101 Tel: 718-937-8300 Email: info@ehx.com Europe JOHN WILLIAMS ELECTRO-HARMONIX UK 13 CWMDONKIN TERRACE SWANSEA SA2 0RQ UNITED KINGDOM Tel: +44 179 247 3258 Email: electroharmonixuk@virginmedia.com This warranty gives a purchaser specific legal righ ts. A purchaser may have even greater rights depending upon the laws of the juris diction within which the product was purchased. To hear demos on all EHX pedals visit us on the web at www.ehx.com Email us at info@ehx.com