spl2000

Her er noen ''FÅ'' detaljer: Test Report Table from February 1998 issue of Car Audio and Electronics magazine MODEL P706 QA-8900 USA6300 MSRP $600 $499 $400 Measurements taken at 12.5 volts with all channels driven into 4-ohm loads at 1,000 Hz unless otherwise noted. Bold type indicates superior performance. High-pass channels: Max. Power @ 1 % THD (dBW/Watts/Specified) 16.2/42/60 16.6/46/50 17.2/52/50 At 14.4 volts 17.8/60/60 18.0/63/50 17.2/53/50 At 2-ohms and 12.5 volts 17.6/58/80 18.3/68/65 18.6/72/75 Low-pass channels: Max. Power @ 1 % THD 16.7/47/60 16.6/46/50 17.2/52/50 At 14.4 volts 18.1/65/60 18.0/63/50 17.2/53/50 At 2-ohms and 12.5 volts 18.5/71/80 18.3/68/65 18.6/72/75 At 1-ohm and 12.5 volts 21.4/138/110 19.3/86/85 20.8/121/NS Max. power into three bridged 4-ohm loads 20.8/120/160 21.3/135/110 21.6/144/150 Max. power into one 2-ohm bridged load on low-pass channels with 2-ohm loads on remaining 4 channels 24.4/275/160 22.4/172/170 23.8/242/NS Overall frequency response (dB down at 20/20,000 Hz) -0.1/-0.6 -0.6/-1.1 -4.5/-0.2¹ Low-pass filter: Measured -3 dB freq. (Hz) 42 to 400 90 or 140 30 to 150 Specified 50 to 500 80 or 120 40 to 200 High-pass filter: Measured -3 dB freq. (Hz) 90 to 6,800 200 or 5,000 60 to 6,600 Specified 55 to 4,200 120 or 5,000 45 to 5,000 Midrange low-pass filter: Measured -3 dB freq. (Hz) 180 to 2,800 90 40 to 1,800 Specified 55 to 4,200 80 45 to 2,300 Stereo separation (dB) 54 dB 76 dB 78 dB Signal-to-noise-ratio @ max./min. gain (dB) 88/102 100/100 88/110 THD+N @ rated power 0.03% 0.1% 0.3% @ 10W 0.05% 0.025% 0.02% Input voltage range for rated output power (volts) 0.12 to 7.9 0.30 to 2.5 0.11 to 8.0 Input impedance (ohms) 9,200 22,000 22,500 Damping factor @ 50 Hz >100 80 30 Gain control tracking for each channel pair (dB) 0.7 0.5 0.4 Idle current (amperes) 0.8 0.7 1.0 Filter cutoff slopes: High/Low/Sub (dB per octave) 12/12/18 12/12/12 12/12/12 - 24² Turn-on noise None None Soft Click Turn-off noise Very soft click None Soft thump Turn-on delay (seconds) 1.0 3.5 7.0 Fuses 40A in-line 2x30A plug-in 40A in-line Power and Speaker connections Stacked term. Stacked term. Stacked term. Size: Length (each + is an extra inch required for wiring) 17 + + 17 + + 16 ¾ + Width 9 9 8 d Height 2 d 2 ½ 2 c ¹ The USA6300 has an infrasonic filter that rolls of channels 5 and 6 by 3 dB at 25 Hz. ² The USA6300 subwoofer low-pass filter is 12 dB per octave in stereo mode and 24 dB per octave in mono mode. Manufacturer Planet Audio Select Corp./ Qupix USAcoustics Model P706 QA-8900 USA6300 Parameter Max. Points Sound quality 60 58 58 56 4-ohm power 50 47.5 48 50 2-ohm power 20 19 19.5 20 1-ohm power 20 20 18 19.5 Measurements 20 18 17.5 17 Separate inputs for all six channels 5 0 5 0 Filter characteristics/ performance 30 25 18 27 Total 210 187.5 184 189.5 Rank 2 3 1

http://store5.yimg.com/I/discave_1796_5848481 : Her er en link til en side m bilde av subben. noen opplysninger om:SPL #ELF-10 10" 500 Watt Subwoofer • 500 watts power handling • 55 oz. magnet • 1.5” kapton voice coil • Dual 4 ohm voice coil • Chrome plated basket • Polypropylene cone • Chrome front & back plate • Foam rubber slant surround • Black spider • Chrome push terminals • SPL 91 dB • Sealed box: .5 cu. ft. • Ported box: 1.6 cu. ft. • Tuning: 35 Hz • Port size: 3” (dia) x 7.75” (length) • # of ports: 1 pris: 40$

hei lurer på en liten ting. Hvor stor burde en bass kasse som inneholder en spl subb på 250w rms, 500w max, 10 tommer burde være? ka noen reffere til en bra side eller ett programm som kan rene dette ut for meg?