Altec Lansing 515-G User's Manual
Contents
1. ALTEC 515 G Series Low Frequency Loudspeakers KEY SPECIFICATIONS 16 0 inch 40 6 cm low frequency horn loudspeaker Type all models 515 86 515 166 515 8GHP Power Rating 75 watts 75 watts 200 watts 25 volts 35 volts 40 volts Frequency Response Enclosure 8286 50 to 4000 Hz 55to4000Hz 60 to 4000 Hz 816A 60 to 4000 Hz 65to4000Hz 70 to 4000 Hz 817A 55 to 4000 Hz 60to4000Hz 65 to 4000 Hz 210 211 40 to 4000 Hz 50 to 4000 Hz 50 to 4000 Hz Highest Recommended Crossover KEY FEATU RES Frequency all models 2500 Hz High Power Handling Sensitivity H Enclosure High Efficiency 8286 103dB 104 dB 104 5 dB Extended Response 816A 102dB 103 dB 103 5 dB 817A 104 5 dB 105 5 dB 106 dB 210 211 107 dB 108 dB 108 5 dB Impedance 8 ohms 16 ohms 8 ohms DESCRIPTION The Altec Lansing 515 G Series loudspeakers are designed for unsurpassed performance when used in low frequency horn and vented horn en closures They are the highest performance low frequency drivers that Altec produces When the ultimate in sound quality efficiency and response is needed the 515 G Series is the answer In depth research into the properties of low frequency horns and vented horns has produced three drivers which are optimum for hom applications When coupled with an appropriate horn the 515 G Series loudspeakers provide the best possible combination of wide response high efficiency low distortion and d2. E Baffle Opening Diameter 14 1 inches 35 9 cm F Bolt Hole Slots 0 25 inch 0 6 cm x 0 75 inch 2 0 cm 8 slots spaced 45 apart ARCHITECT S AND ENGINEER S SPECIFICATIONS The low frequency loudspeaker shall meet the follow ing criteria Power rating up to watts measured E R using a crest factorof 6 dB and band limited from 60 to 600 Hz Frequency response uniform from to 4000 Hz when used in the enclosure Pressure sensitivity dB SPL when measured in the free field at 4 0 foot 1 2 m on axis with 1 watt power E R of pink noise band limited from 100 to 1000 Hz Nominal impedance ohms Nominal free air cone reso ALTEcC nance 37 Hz The voice coil shall be 3 0 inches 7 6 cm diameter of edge wound aluminum ribbon driven by a 132 ounce 3 74 kgs ferrite magnet structure having a flux density of 15 000 gauss Dimensions 16 0 inches 40 6 cm diameter x 6 8inches 17 3 cm deep Weight 30 pounds 13 6 kgs The low frequency loudspeaker shall be the Altec Lansing Model _____ a MARK IV company P O BOX 26105 e OKLAHOMA CITY OK 73126 0105 U S A Phone 405 324 5311 or FAX 405 324 8981 1994 ALTEC LANSING CORPORATION PRINTED IN U S A 3 94 Revision 2 42 07 035667 e
3. inches 7 6 cm ferrite 132 oz 3 74 kgs 15 000 gauss edge wound aluminum ribbon Die cast aluminum 14 1 inches 38 4 cm 15 0 inches 44 0 cm 6 7 inches 17 0 cm 5 9 inches 14 9 cm 30 Ibs 13 6 kg AES power rating measured Power E R using Pink Noise with a crest factor of 6 dB and a band limit of 60 to 600 Hz Low frequency limit is the 3 dB down point using the particular cabinet and the Thiele Small parameters of the loudspeaker Measured in the free field at 4 0 feet 1 2 m on axis with one watt Power E R of pink noise band limited from 100 to 1000 Hz dB SPL 20 50 100 200 500 1000 2000 5000 10000 20000 Frequency Hz Figure 1 Frequency Response and Impedance of 515 16G in 828G Enclosure dB SPL 20 50 100 200 500 1000 2000 5000 10000 20000 Frequency Hz Figure 2 Frequency Response and Impedance of 515 16G in 816A Enclosure dB SPL 50 100 200 500 1000 2000 5000 10000 20000 Frequency Hz Figure 3 Frequency Response and Impedance of Two 515 16G s in 817A Enclosure 120 110 2 PETIERE Seah rte 9 INI 20 50 100 200 500 1000 2000 5000 10000 20000 Frequency Hz Figure 4 Frequency Response and Impedance of Two 515 16G s in 210A Enclosure A Loudspeaker Diameter 16 0 inches 40 6 cm B Bolt Circle Diameter 15 0 inches 38 1 cm C Depth When Rear Mounted 6 7 inches 17 0 cm K D C D Depth When Front Mounted 5 9 inches 14 9 cm
4. ar Volume Displacement V 22 4 in 367 1 cm Effective Piston Area of Driver Diaphragm S 131 5 in 848 4 cm Maximum Excursion Before Damage Peak to Peak 0 70 inches 1 8 cm Voice Coil Winding Depth 0 20 inches 0 51 cm Magnetic Gap Depth 0 47 inches 1 2 cm BI Factor T m 164 Voice Coil Inductance 0 58 mH Voice Coil Diameter 3 0 inches 7 6 cm Magnet Type ferrite Magnet Weight 132 oz 3 74 kgs Magnetic Flux Density 15 000 gauss Voice Coil Type edge wound aluminum ribbon Frame Die cast aluminum Mounting Information Baffle Opening Diameter 14 1 inches 38 4 cm Mounting Bolt Circle Diameter 15 0 inches 44 0 cm Loudspeaker Depth Rear Mounting 67 inches 17 0 cm Front Mounting 5 9 inches 14 9 cm Weight 30 Ibs 13 6 kg 515 166 11 3 ohms 37 Hz 0 215 5 0 0 225 12 2 ft 345 5 L 7 596 0 15 inches 0 38 cm 19 7 in 322 8 cm 131 5 in 848 4 cm 0 70 inches 1 8 cm 0 25 inches 0 64 cm 0 47 inches 1 2 cm 25 1 1 30 mH 3 0 inches 7 6 cm ferrite 132 oz 3 74 kgs 15 000 gauss edge wound aluminum ribbon Die cast aluminum 14 1 inches 38 4 cm 15 0 inches 44 0 cm 6 7 inches 17 0 cm 5 9 inches 14 9 cm 30 Ibs 13 6 kg 515 8GHP 5 6 ohms 37 Hz 0 187 45 0 195 12 1ft 342 6 L 8 676 0 12 inches 0 31 cm 15 8 in 258 9 cm 131 5 in 848 4 cm 0 85 inches 2 2 cm 0 31 inches 0 79 cm 0 47 inches 1 2 cm 19 1 0 68 mH 3 0
5. irectivity control i The 515 G Series loudspeakers incorporate Altec s largest magnet structure an edgewound aluminium flatwire voice coil a light cone assembly and a low distortion cloth suspension The 515 8G and 515 16G carry on the Altec Lansing 515 tradition The 515 8G provides extended bass response and extremely high lin earity for optimum performance in vented horn enclosures The 515 16G is intended for applica tions similar to those for the 515 8G but where 16 ohm impedance and increased sensitivity is needed as in dual loudspeaker enclosures such as the Altec 210 211 and 817A vented horns Both loudspeakers are constructed of materials simi lar to 515 s of earlier years to produce the sound made popular in theater and studio applications The 515 8GHP is the most efficient loud speaker Altec has ever produced This coupled with high power handling yields a speaker capable of very high sound pressure levels and good reliability The horn loaded design of the 515 G Series ensures that the 515 8GHP performs optimally in all vented horn enclosures SPECIFICATIONS continued 515 86 Thiele Small Parameters Voice Coil DC Resistance R 6 2 ohms Nominal Free Air Resonance f 37 Hz Total Q 0 0 269 Mechanical Q 0 5 0 Electrical Q Q 0 284 Equivalent Volume Compliance V 12 4 ft 351 1 L Reference Efficiency n 6 0 Peak Linear Displacement X 0 17 inches 0 43 cm Peak Line
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