User manual ALTEC LANSING A7

[. . . ] Replacement parts and installation instructions will be mailed to you along with a pre-paid shipping box for returning the malfunctioning parts. This one-year warranty does not cover cabinet cosmetics not reported to ALTEC during the first 30 days after receipt. IF YOU ARE HAVING TROUBLE Your ALTEC loudspeaker is a precision instrument, responding with high accuracy to the variations in electric current produced by other components in your system. [. . . ] (1975 Altec Lansing Federal Product Catalog) A7 Owner's M anual s 1 unpacking IMPORTANT: PROTECT THE LOUDSPEAKER The loudspeaker cone assemblies are fragile and should not be touched. STEP 1: Before removing the protective shipping material, look for obvious signs of shipping damage such as severely crushed corners or deep punctures that may have marred the speaker cabinet. If severe damage has occurred, immediately contact the shipping company to file a claim. Using a knife, carefully cut away any plastic which is holding the cardboard-encased speaker on the pallet. Use metal snips to cut the metal straps holding the cardboardencased speaker on the pallet. Using a knife, carefully cut on the dotted line printed along one corner of the cardboard. Remove the protective cardboard, foam, and plastic packaging material. STEP 2: STEP 3: STEP 4: STEP 5: STEP 6: IMPORTANT: USE CAUTION WHEN MOVING THE LOUDSPEAKER Because each A7 weighs approximately 200 pounds, use caution when moving the loudspeaker to avoid personal injury. Use multiple people or a dolly and protective blankets when moving the loudspeaker off of the pallet and to its final location. IMPORTANT: RETAIN THE PALLET AND PACKAGING MATERIAL If there is a need to return the loudspeaker under warranty conditions, you will need the pallet and packaging material to properly repackage the loudspeaker for transit. 2 s A7 Owner's M anual components The following components are contained in the A7 loudspeaker's shipping container. CABINET -- MODEL 828 This A7 Loudspeaker cabinet is hand made from 13 layer Baltic Birch and covered with a durable black splatter finish. The prime reason for an enclosure or baffle is to separate the sound radiated from the rear of a low frequency loudspeaker diaphragm or cone so that it does not cancel the radiation generated by the front of the cone. A properly designed cabinet cannot make a poorly designed loudspeaker operate satisfactorily, nor can a well designed loudspeaker perform efficiently when housed in an inferior enclosure. HIGH FREQUENCY SECTORAL HORN - MODEL 511B 90° X 40° Sectoral Horn. Non-magnetic, billet Brass, short binding post, Rhodium over Silver plate. [. . . ] Tighten the nut down securely. STEP 3: Insert the bare end of the second wire into the hole in the negative (-) speaker terminal post. Tighten the nut down securely. STEP 4: Lay out the wire over to the amplifier. STEP 5: Connect the other end of the marked wire (refer to step 2) to the positive (+) 8 terminal on the amplifier. STEP 6: Connect the second wire to the negative (-) 8 terminal on the amplifier. STEP 7: Power up the amplifier and enjoy the great ALTEC sound. A7 Owner's M anual s 5 specifications FREQUENCY RESPONSE ±10 dB LOW FREQUENCY ROLL-OFF -3 dB SYSTEM POWER CAPACITY Rating based on test signal of continuous pink noise, per IEC spectrum for two hours duration. [. . . ]