Altec Lansing 1224A User's Manual
Contents
1. Bass Amplifier Treble Amplifier POWER REQUIREMENTS INPUT SENSITIVITY ACOUSTIC OUTPUT AT MAXIMUM GAIN SETTINGS INPUT IMPEDANCE FREQUENCY RESPONSE CROSSOVER FREQUENCY SYSTEM COMPONENTS ENCLOSURE DIMENSIONS WEIGHT INPUT CONNECTORS SOUND PRODUCTS DIVISION 1515 5 MANCHESTER AVE ANAHEIM CALIFORNIA 92803 60 watts 30 watts 160 watts at full output 0 5V rms 120 dB SPL measured at 4 on axis with 0 5V rms input of pink noise from 100 Hz to 10 kHz 15 000 ohms 22 35 Hz to 20 000 Hz 800 Hz with 12 dB octave slope 1 418 8H type Low Frequency Musical Instrument Loudspeaker 18118 High Frequency Sectoral Horn 1 807 8B High Frequency Driver 1 1224A Electronic Crossover Biamplifier Bass reflex type 3 4 plywood construction with resilient epoxy finish Recessed handles and removable front cover 304 Hx 28 W x 1934 D 76 8 cm Hx 71 1 cm Wx 50 2 cm D 123 pounds 55 8 kg 1 Cannon XL 3 pin female wired in parallel to 1 Cannon XL 3 pin male AL 18402. 110B Mesonen System and 3 1224A Biamplifier 1219B Biamplified Speaker System and 1224A Biamplifier The Altec 1219B a new standard of performance in clean high level sound reinforcement The Altec 1224A a rugged new biamplifier designed to take road abuse And it s dependable for continuous hassle free performance The 1219B features our time proven Voice of the Theatre type components a 418 type high power bass driver in a bass reflex enclosure and an 811B horn with an 807 8B driver The Voice of the Theatre components and systems have reached a level of fame second only to the performers who use them and the 1219B continues this tradition And the tough epoxy finished cabinet has a removable cover for portability and protection We ve tied the components together with our new a biamplifier Super stable and rugged Low distortion Reliability The result is a high level powered speaker sys tem which is super clean portable and dependable The biamp concept results in an efficiency of power transfer not possible in conventional systems And the 1224A is avail able separately for use with other systems you may wish to convert to the biamp advantage New from Altec The 1219B powered speaker system and the 1224A biamplifier 1224A POWER OUTPUT Bass Amplifier Treble Amplifier INPUT SENSITIVITY TOTAL HARMONIC DISTORTION INTERMODULATION DISTORTION CROSSOVER F
3. REQUENCY FREQUENCY RESPONSE SIGNAL TO NOISE RATIO INPUT IMPEDANCE MINIMUM LOAD IMPEDANCE CONTROLS CONNECTORS Input Jumper Output POWER REQUIREMENTS DIMENSIONS Overall Panel Cutout WEIGHT ACCESSORIES SPECIFICATIONS 100 watts continuous 4 ohms 60 watts continuous 8 ohms 50 watts continuous 4 ohms 30 watts continuous 8 ohms 0 5V rms direct for rated output gain controls at full boost Less than 0 15 at rated output into 8 ohms Unmeasurable by normal IHF method 500 800 or 1500 Hz with 12 dB octave rolloff 20 Hz to 20 000 Hz 1 dB composite output 88 dB 15 000 ohms direct 15 000 ohms with 15335A transformer 600 ohms with 15095A transformer 2 ohms 1 amplifier gain control continuously variable 3 dB to 15 dB 1 high frequency control continuously variable 9 dB to 20 dB 1 electronic crossover frequency selector switch 500 800 or 1500 Hz 1 press to reset pushbutton circuit breaker 1 Cannon XL 3 pin female 1 Cannon XL 3 pin male to connect to another amplifier 4 slip on type lugs high frequency low frequency 120V ac 50 60 Hz 160 watts at full output 64 Hx9 Wx9 D 16 5 cm Hx 25 1 cm Wx 22 9 om D 5167 Hx 9157 W 14 cm H x 24 1 cm W 16 pounds 7 3 kg Altec 15335A Line Bridging Transformer 15 000 ohms balanced Altec 15095A Line Matching Transformer 600 ohms balanced 1219B POWER OUTPUT 1224A
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