Altec Lansing 601-8D User's Manual
Contents
1. 601 8D DUPLEX ALTEC LOUDSPEAKER SYSTEM SOUND PRODUCTS DIVISION DESCRIPTION The ALTEC 601 8D Duplex Loudspeaker System is a two way loudspeaker with high and low frequency speakers coaxially mounted in a single frame The dual magnet structures allow each speaker to be magnetically electrically and mechanically independent Coaxial driver arrangement also provides the effect of an inte grated source of full range sound All frequen cies are propagated through a common window to ensure good stereo imagery when multiple 601 8D s are used The high frequency section has a voice coil of edge wound aluminum ribbon attached to an aluminum diaphragm and loaded with a sturdy exponentially expanded multicellular horn The low frequency cone is driven by a voice coil of edge wound aluminum ribbon and is sup ported by a high compliance cloth surround The 601 8D is a fine loudspeaker for general purpose sound reproduction applications It is designed to operate in enclosures as small as 2 5 cubic feet and its relatively small physical size permits excellent wide range performance in environments which would otherwise utilize lower quality single driver speakers LITHO IN U S A SPECIFICATIONS Duplex coaxial loudspeaker system with dividing network Type Power Rating 40 watts of continuous pink noise 20 20 000 Hz Frequency Response 30 to 20 000 Hz in appropriate enclosure 99 dB SPL at2. 4 measured on axis with 1 watt input of pink noise band limited from 500 to 3000 Hz with speaker mounted in 614D enclosure Pressure Sensitivity Impedance 8 ohms Nominal Free Air LF Cone Resonance 39 Hz Distribution Pattern 40 V x 90 H Voice Coils LF 3 diameter edge wound aluminum ribbon HF 34 diameter edge wound aluminum ribbon Magnets LF Alnico 1 8 pounds 10 400 gauss flux density HF Alnico 0 188 pound 10 000 gauss flux density ARCHITECT S AND ENGINEER S SPECIFICATIONS The loudspeaker system shall be a two way coaxial with a separate magnet structure for each section and a dual full section dividing network The HF section shall have an aluminum diaphragm and shall be loaded with an exponentially expanded multicellular horn The loudspeaker system shall meet the follow ing criteria Power rating 40 watts of continuous pink noise band limited from 20 20 000 Hz Fre quency response 30 20 000 Hz Pressure sensitivity 99 dB SPL at 4 when measured on axis in enclosure with 1 watt input of pink noise band limited from 500 3000 Hz Impedance 8 ohms Nominal free air Structurally reinforced die cast aluminum Frame Dividing Network furnished Dual full section with 3000 Hz crossover frequency 12 dB octave slope and continuously variable HF shelving control with 10 dB range 121 30 8 cm diameter 55 14 3 cm deep Dimensions Finish Gray enamel Mount
3. ing Data 11 28 3 cm front or rear mount Baffle Opening Mounting Bolt Centers 8 or 4 bolts equally spaced on 11 29 4 cm diameter circle Recommended Enclosure ALTEC 614D Speaker Cabinet Shipping Weight 18 pounds 8 2 kg Actual Weight 15 pounds 6 8 kg includes dividing network LF cone resonance 39 Hz Distribution pattern 40 V x 90 H Crossover frequency 3000 Hz with 12 dB octave slope Voice coils 3 diameter of edge wound aluminum ribbon LF 3 4 diameter of edge wound aluminum ribbon HF Magnets Alnico 1 8 pounds LF 0 188 pound HF Flux density 10 400 gauss LF 10 000 gauss HF Dimensions 121 diameter x 558 deep Weight 15 pounds The loudspeaker system shall be the ALTEC Model 601 8D 7 el i a SOUND PRODUCTS DIVISION 1515 SOUTH MANCHESTER AVENUE ANAHEIM CALIFORNIA 92803 875 5K AL 1412 12
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