Electro-Voice TL806AX User's Manual
Contents
1. 1000 Hz TL806AX 1 8 TL806DX 0 6 Third Harmonic 100 Hz TL806AX 1 0 TL806DX 1 4 1000 Hz TL806AX 1 8 TL806DX 16 Distortion 0 01 Full Power Input see Figures 11 and 12 Second Harmonic 100 Hz TL806AX 0 5 TL806DX 06 1000 Hz TL806AX 0 6 TL806DX 0 1 Third Harmonic 100 Hz TL806AX 0 5 TL806DX 0 6 1000 Hz TL806AX 1 09 TL806DX 1 3 Transducer Complement Electro Voice a gulan company FREOVENCY IN HERIZ FIGURE 2 8060 TLBOGAX B0GDK Low Frequency Speaker System TL806AX 1 DL12X TL806DX 2 DL12X Box Tuning Frequency Normal TL806AX 80 Hz TL806DX 80 Hz Step Down 6 60 Hz TL806DX 60 HZ Impedance Nominal TL806AX 8 ohms TL806DX 4 ohms Minimum TL806AX 8 ohms TL806DX 4 ohms Input Connections Screw Terminals 48 32 on barrier strip Enclosure Materials and Finish Black vinyl clad particle board Mounting Hanging via six 4 20 T nuts Dimensions Height 6 54 6 cm 21 5 TL806DX 85 1 cm 33 5 Width TL806AX 35 9 cm 14 1 TL806DX 42 2 cm 16 6 Depth TL806AX 25 9 cm 10 2 TL806DX 27 7 cm 10 9 Net Weight TL806AX 19 5 kg 43 Ib TL806DX 35 4 kg 78 Ib Shipping Weight TL806AX 21 8 kg 48 10 TL806DX 39 9 kg 88 10 TL806AX Axial Frequency Response 4 Volts 10 Feet TL806DX Axi2. PTT ATT em soo ee wm Gs A WINS NIC m CH UE LE LET T S cdd LLLI z E Ie AT 3 LL i riii pnr gt MU T WAHL TL gt ael 4 AR UL LE LULA Lu e AAA LT LT ZANDA LUN C18 M T LE TNI iia Hime n FIGURE 9 FIGURE 10 TL806AX Harmonic Distortion 0 1 Rated Power TL806DX Harmonic Distortion 0 1 Rated Power Input 30 Watts 10 Feet on Axis Input 60 Watts 10 Feet on Axis L LETUHE P E C TTHBD T yoo 1 T RLTTIT T net LLLI Le Le ST sod titt B ul gt gt Lu b rr E gt LLL LE EE ETE E EIL Li gt TRAT gt uj 4 JM Ld CT hay tt For mi HE E mu 9 RE M ARA CARDI LANO FIGURE FIGURE 12 TL806AX Harmonic Distortion 0 01 Rated Power TL806DX Harmonic Distortion 0 01 Rated Power Input 3 Watts 10 Feet on Axis Input 6 Watts 10 Feet on Axis FIGURE 13 Vertical amp Horizontal Mounting Methods for the 806 amp TL806DX using the T nuts Provided DESCRIPTION The Electro Voice TL806AX and TL806DX are direct radiator bass speaker systems with no boom bass superior to that of conven tional front loaded horn systems Designed according to the analysis of A N Thiele both models provide h
3. shaping filter produces spectrum whose 3 dB down points are at 100 Hz and 1200 Hz with a 3 dB per octave slope above 1200 Hz This shaped signa is sent to the power amplifier with the con tinuous power set at 300 watts into the 6 9 ohms EIA equivalent impedance for the TL806AX and 600 watts into the 3 5 ohms EIA equivalent impedance for the TL806DX 45 5 volts true RMS Amplifier clipping sets instantaneous peaks at 6 dB above the con tinuous power or 1200 watts peak for the TL806AX and 2400 watts peak for the TL806DX 91 0 volts peak This procedure provides a rigorous test of both thermal and mechanical failure modes STEP DOWN The TL806AX has a low frequency 3 dB down point of 72 Hz and the TL806DX has an f3 of 73 Hz The supplied port cover for the TL806AX and TL806DX may be attached to the port using the pilot holes and screws provided This lowers the box tuning step down mode from 80 Hz to 60 Hz With appropriate electronic boost provided by an underdamped second order high pass filter tuned to 60 Hz an fs of 52 Hz for both the TL806AX and the TL806DX may be ob tained This is a beneficial extension for many applications The proper electronic boost for the TL806AX and TL806DX is provided in the Electro Voice XEQ 2 electronic crossover MOUNTING T nuts and V4 20 bolts are provided for three point suspension mounting of the TL806AX and TL806DX either in the vertical or horizontal position The locat
4. First we use a random noise input signa because it contains many frequencies simultaneously just like real voice or instru ment program Second our signal contains more energy at extremely high and low fre quencies than typical actual program adding an extra measure of reliability Third the test signal includes not only the overall long term average or continuous level which our ears interpret as loudness but also short duration peaks which are many times higher than the average just like actual program The long term average level stresses the speaker thermally heat The in stantaneous peaks test mechanical reliability cone and diaphragm excursion Note that the sine wave test signals sometimes used have a much less demanding peak value relative to their average level In actual use long term average levels exist from several second on up but we apply the long term average for several hours adding another extra measure of reliability Specifically tne TL806AX and TL806DX are designed to withstand the power test described in EIA Standard RS 426A The EIA test spectrum is applied for eight hours To obtain the spectrum the output of a white noise generator white noise is a particular type of random noise with equal energy per bandwidth in Hz is fed to a shaping filter with 6 dB per octave slopes below 40 Hz and above 318 Hz When measured with the usual constant percentage analyzer one third octave this
5. TL806AX SPECIFICATIONS Frequency Response 10 Feet on Axis Swept One Third Octave Pink Noise Half Space Anechoic Environment see Figures 1 and 2 TL806AX 72 5 200 Hz TLB806DX 70 5 200 Hz Low Frequency 3 dB Down Point TL806AX 72 Hz TL806DX 70 Hz Usable Low Frequency Limit 10 dB down point TL806AX 56 Hz TL806DX 53 Hz Half Space Reference Efficiency TL806AX 4 5 TL806DX 909 Long Term Average Power Handling Capacity per EIA Standard 5 426 see Power Handling Capacity section TL8086AX 300 watts TL806DX 600 watts Maximum Acoustic Output TL806AX 13 5 watts TL806DX 54 0 watts Sound Pressure Level at 1 Meter 1 Watt Input Anechoic Environment Band Limited Pink Noise Signal 100 800 Hz TL806AX 98 dB TL806DX 101 dB Dispersion Angle Included by 6 dB Down Points on Polar Responses Indicated One Third Octave Bands of Pink Noise 400 800 Hz Horizontal see Figures 5 and 6 TL806AX 148 35 TL806DX 139 30 400 800 Hz Vertical see Figures 5 and 6 TL806AX 123 4 12 TL806DX TLBOGDX 52 18 Directivity Factor 400 800 Hz Median see Figures 7 and 8 TL806AX 4 3 TL806DX 7 3 Directivity Index D 400 800 HZ Median see Figures 7 and 8 TL806AX 6 3 dB TL806DX 8 6 dB Distortion 0 1 Full Power Input see Figures 9 and 10 Second Harmonic 100 Hz TL806AX 1 0 TL806DX 1 696
6. al Frequency Response 4 Volts 10 Feet SA N EN Y te ite 1 I e e wes S Lr 5 LW 2 P NS f SSO FES z C 67777 B RE I E 27 i 2 Pa SEEK EN Y ii AR f SS 152712 117 FIGURE 4 TL806DX Polar Response 16 Octave 4 Volts 10 Feet HORIZONTAL TETALI AI 5 Pun T zo 1L I ze E a 63 E Pc n m m ee Y P BEGEEF 2002 E S BEBRGESB g rs 4 FIGURE 5 FIGURE6 TL806AX Beamwidth vs Frequency TL806DX Beamwidth vs Frequency Whole Space Anechoic Whole Space tr c 100 20 ye o 100 20 E D 5 5 oT T m E LLLI Le 44 ES E tex UU T ES 5 g a FREQUENCY N MERTZ a a FREQUENCY N HERTZ a FIGURE 7 FIGURE 8 TL806AX Directivity vs Frequency TL806DX Directivity vs Frequency Whoie Space Anechoic Whole Space Anechoic LT ELLE EET TT PE LE LLL NE T nep im
7. igh efficiency low distortion and excellent low frequency performance in a notably small enclosure size The low frequency limit of each model may be extended approximately one half octave by covering one port and applying low frequency equalization see Step Down The TL806AX employs a DL12X cone speaker in a 1 2 cubic foot enclosure while the TL806DX uses two DL12X speakers in 2 4 cubic foot enclosure Both the TL806AX and TL806DX models have sturdy metal grill screens and are constructed of black vinyl clad particle board with thicknesses of in and 34 in respectively T nuts and 4 20 bolts are provided for three point suspen sion ceiling mounting Screw terminals are located in a recessed panel at the back of each enclosure APPLICATIONS The TL Series bass speaker is ideal for any large installation where professional sound is required In music stage systems as per manent installation systems in auditoriums arenas and stadiums the TL806AX and TL 806DX work well with the Electro Voice HR Series horns and DH Series drivers The Electro Voice XEQ 2 electronic crossover is a companion to the 806 and the TL806DX and provides the equalization necessary for extended low frequency opera tion of these products see Step Down units may be stacked for greater output capability or for a narrower beamwidth Every time units are doubled approximately 6 dB output is gained 3 dB for double powe
8. ion of the T nuts and the recommended mounting method is shown in Figure 13 For safety reasons do not hang any TL enclosure with a direct outward pull on any surface WARRANTY Limited Electro Voice Professional Sound Reinforce ment Loudspeakers and Accessories are guaranteed for five years from date of original purchase against malfunction due to defects in workmanship and materials If such malfunction occurs unit will be repaired or replaced at our option without charge for materials or labor if delivered prepaid to the proper Electro Voice service facility Unit will be returned prepaid Warranty does not cover finish or appearance items or malfunc due to abuse of operation at other than specified conditions Repair by other than Electro Voice or its authorized service agen cies will void this guarantee For shipping address and instructions on return of Electro Voice products for repair and locations of authorized service agencies please write Service Department Electro Voice Inc 600 Cecil Street Buchanan Michigan 49107 Phone 616 695 6831 or Electro Voice West 8234 Doe Avenue Visalia California 93277 Phone 209 651 7777 Electro Voice also maintains complete facilities for non warranty service Service and repair address for this product Electro Voice Inc 600 Cecil St Buchanan Michigan 49107 Specifications subject to change without notice Part Number 530458 431 a Gult
9. on cousa ELECTRO VOICE Inc 600 CECIL ST BUCHANAN MICH 49107 MANUFACTURING PLANTS AT B BUCHANAN MICH ll NEWPORT TENN B SEVIERVILLE TENN B GANANOQUE ONT B LITHO IN U S A
10. r handling and 3 dB for resultant higher Q FREQUENCY RESPONSE Frequency response data was measured in an anechoic environment at 10 feet on axis with swept one third octave pink noise The frequency response curves for the TL806AX and TL806DX are shown in Figures 1 and 2 DIRECTIVITY The directional characteristics of the TL806AX TL806DX were measured running a set of polar responses in EV s large anechoic chamber at selected one third octave band center frequencies The test signal was one third octave band width limited pseudo random pink noise centered at the frequencies indicated in Figures 3 and 4 The curves show horizontal side to side dispersion when the enclosure s long axis is vertical The vertical up and down polar responses are also shown Additional typical information is provided in Figures 5 and 6 which show 6 dB down beamwidth versus frequency Figures 7 and Gulton Industries Inc 1984 8 show the directivity factor and directivity index versus frequency DISTORTION Following AES Audio Engineering Society recommended practice plots of second and third order harmonic distortion for 0 1 rated input power are shown in Figures 9 and 10 Additionally plots are shown for 0 01 rated input power in Figures 11 and 12 POWER HANDLING CAPACITY To our knowledge Electro Voice was the first U S manufacturer to develop and publish a power test closely related to real life conci tions
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