4 pcs.IMF HP18s vs. 2 pcs. SD18el

[mants]

mga sir ask ko lng sa mga nakasubok n ntong paudio model n ito ,halimbawa e lagay ntin ito sa WBIN - 4 wbin/imf hp18s 600 watts  kumpara sa 2 wbin/sd18el 1000 watts ,alin po dito ang maganda at malakas ...kc sa isang sd18el ay makakabili n ako ng 2 imf hp18s.... so ano sa palagay nyo mga sir..go ba ako sa 4 n IMF hp18 or sa 2 SD18el,  next project ko kc ito  ....kung kayo mga sir ang papipiliin alin po dito ang pipiliin nyo ,, thanks

[lighttech]

i would go for 4pcs IMFs.. the effect of 4 wbins (mutual coupling) is significant. kahit sa simpleng direct radiator ported boxes, 4 IMFs have more active area than 2pcs of SD18els.

[king_james]

i would go for 4pcs IMFs.. the effect of 4 wbins (mutual coupling) is significant. kahit sa simpleng direct radiator ported boxes, 4 IMFs have more active area than 2pcs of SD18els.

+1 bro. Mga friends ko tried the IMF HP18 as direct replacements on their old 18" drivers and they recommend these affordable yet good sounding drivers.  Very efficient kaya hindi hard-driven.  Some of them are still using Konzert k10 amps and ok naman daw ang response ng IMF. 

[Max_C]

PASOK ANG IMF KUNG ANG AMP MO PANG SUB AY DI GAANONG KALAKASAN.  SA TUNOG SASABAY SA FANE COLOSSUS XB ITONG IMF. 

[mants]

thanks mga bossing sa reply at sa mga mag rereply pa   mukhang panalo itong IMF ah

[smarty]

so what amps are compatible with a pair of imf? thanks

[tjlimjoco]

so what amps are compatible with a pair of imf? thanks

B0z kahit 800 waTTs/chan maGanda resp0nse ng IMF.  Ganit0 nga main suBs namin sa MB manif0ld dual18.  LivebaNd set-up pa 

[smarty]

B0z kahit 800 waTTs/chan maGanda resp0nse ng IMF.  Ganit0 nga main suBs namin sa MB manif0ld dual18.  LivebaNd set-up pa 

specific models/brand sana? thanks

[tjlimjoco]

specific models/brand sana? thanks

Mer0n ak0ng Crell Ca20 daTi per0 naibenTa na.  Based sa speCs ng Crell, nasa 1200 wattS stere0 8 0hms it0.  NakaBili yunG frend k0 sa MusicPhile ng 2nD hand na Cr0wn MT2400 at naibenTa sakin.  520 watts lang p0 it0 per channel per0 mas s0lid ang bass resp0nse nya isama m0 na din anG linis pa ng 0utput c0mpared sa Crell CA20 namin daTi. 

http://www.crownaudio.com/pdf/legacy/136733.pdf

[ryanbairan]

Tamang Tama my 2400 na din ako yung IMF HP 18 n lng

[mants]

Mer0n ak0ng Crell Ca20 daTi per0 naibenTa na.  Based sa speCs ng Crell, nasa 1200 wattS stere0 8 0hms it0.  NakaBili yunG frend k0 sa MusicPhile ng 2nD hand na Cr0wn MT2400 at naibenTa sakin.  520 watts lang p0 it0 per channel per0 mas s0lid ang bass resp0nse nya isama m0 na din anG linis pa ng 0utput c0mpared sa Crell CA20 namin daTi. 

http://www.crownaudio.com/pdf/legacy/136733.pdf

sir di nyo pa ba na try sa lps 2500 itong IMF.kc kung kinaya ng MT2400 na 520 wtts/channel eh baka kakayanin din ng LPS2500 kc nsa 550 wtts/channel ang LPS2500 ,,kya nga lang 8 ohms operation lng kc kung sa 4 ohms na dna pwede..at mataas ang damping factor ng MT2400 nsa 1000 kya solid kung mag bass not like LPS na 300 lng damping factor nya,,

[smarty]

sir di nyo pa ba na try sa lps 2500 itong IMF.kc kung kinaya ng MT2400 na 520 wtts/channel eh baka kakayanin din ng LPS2500 kc nsa 550 wtts/channel ang LPS2500 ,,kya nga lang 8 ohms operation lng kc kung sa 4 ohms na dna pwede..at mataas ang damping factor ng MT2400 nsa 1000 kya solid kung mag bass not like LPS na 300 lng damping factor nya,,

anyone who tried this set up? pair of imf sa lps 2500 stereo?

[eirol_99]

mga sir ask ko lng sa mga nakasubok n ntong paudio model n ito ,halimbawa e lagay ntin ito sa WBIN - 4 wbin/imf hp18s 600 watts  kumpara sa 2 wbin/sd18el 1000 watts ,alin po dito ang maganda at malakas ...kc sa isang sd18el ay makakabili n ako ng 2 imf hp18s.... so ano sa palagay nyo mga sir..go ba ako sa 4 n IMF hp18 or sa 2 SD18el,  next project ko kc ito  ....kung kayo mga sir ang papipiliin alin po dito ang pipiliin nyo ,, thanks

imf hp18 is 97 dB@1m sensitivity.. sd 18el is 98dB@1m sensitivity
4 pcs of imf hp18 will be at 103dB SPL@1m @ 1w input per speaker
2 pcs of sd18el will be at 101dB SPL@1m @ 1w input per speaker

imf hp18 @ rated power = 97dB + 28 dB= 125dB still @ 1 meter (less than 28dB<rounded ko na lang> is the power difference of 1w and 600w in decibels)
sd 18el @ rated power = 98dB + 30dB = 128 dB still @ 1 meter (30dB is the power difference of 1w and 1000 w in decibels)

4 pcs imf hp18 @ rated power will be 131 db-SPL ( amplifier power at rated will be 600w per speaker)
2 pcs sd18el @ rated power will be 131 dB-SPL   ( amplifier power at rated will be 1000w per speaker )

hirap na magdecide nyan, 

[mants]

imf hp18 is 97 dB@1m sensitivity.. sd 18el is 98dB@1m sensitivity
4 pcs of imf hp18 will be at 103dB SPL@1m @ 1w input per speaker
2 pcs of sd18el will be at 101dB SPL@1m @ 1w input per speaker

imf hp18 @ rated power = 97dB + 28 dB= 125dB still @ 1 meter (less than 28dB<rounded ko na lang> is the power difference of 1w and 600w in decibels)
sd 18el @ rated power = 98dB + 30dB = 128 dB still @ 1 meter (30dB is the power difference of 1w and 1000 w in decibels)

4 pcs imf hp18 @ rated power will be 131 db-SPL ( amplifier power at rated will be 600w per speaker)
2 pcs sd18el @ rated power will be 131 dB-SPL   ( amplifier power at rated will be 1000w per speaker )

hirap na magdecide nyan, 

haha ,salamat sa pag compute mo sir now think very deeply

[eirol_99]

response would of course be diffenrent if 4 pcs imf hp18 in w-bins vs 2 pcs sd 18el also in w-bins, lamang na dito ang 4 pcs imf..

[mants]

response would of course be diffenrent if 4 pcs imf hp18 in w-bins vs 2 pcs sd 18el also in w-bins, lamang na dito ang 4 pcs imf..

thanks sir.now alam ko na kung ano  ang pipiliin ko,

[eirol_99]

thanks sir.now alam ko na kung ano  ang pipiliin ko,

pag ako in this scenario 4pcs imf vs 2pcs sd18el in same box, i'll go for the imf. sa expense na lng ng additional 2 w-bins ang added expense but im sure it will be covered by the better response of the system. mas kuntento na ako sa impact ng bass ng 4 w-bins vs 2 w-bins..

[mants]

pag ako in this scenario 4pcs imf vs 2pcs sd18el in same box, i'll go for the imf. sa expense na lng ng additional 2 w-bins ang added expense but im sure it will be covered by the better response of the system. mas kuntento na ako sa impact ng bass ng 4 w-bins vs 2 w-bins..

saka sir kung mag sesetup sa area n may stage ,pag pinag hiwalay mas may porma 2 per side na wbin tapos may nakapatong na dual mid/high 1 per side mas maganda tingnan kay sa 1 per side n wbin with 1 dual mid/high on top,,,,,,,,aabangan ko din yong bagong labas na IMF baka mas maganda yon hehe....

[eirol_99]

saka sir kung mag sesetup sa area n may stage ,pag pinag hiwalay mas may porma 2 per side na wbin tapos may nakapatong na dual mid/high 1 per side mas maganda tingnan kay sa 1 per side n wbin with 1 dual mid/high on top,,,

yes di lang mas maganda tingnan mas maganda pa tunog..

[mants]

yes di lang mas maganda tingnan mas maganda pa tunog..

thanks again sir , now lista ko na ito 4 IMFs..

[tjlimjoco]

sir di nyo pa ba na try sa lps 2500 itong IMF.kc kung kinaya ng MT2400 na 520 wtts/channel eh baka kakayanin din ng LPS2500 kc nsa 550 wtts/channel ang LPS2500 ,,kya nga lang 8 ohms operation lng kc kung sa 4 ohms na dna pwede..at mataas ang damping factor ng MT2400 nsa 1000 kya solid kung mag bass not like LPS na 300 lng damping factor nya,,

B0z mants iba resp0nse ng MT2400 sa LPS2500. Mas s0lid mag bass ang MT2400 dahiL nga cgur0 sa hiGh dampinG fact0r nt0.  

anyone who tried this set up? pair of imf sa lps 2500 stereo?

B0z smarty may nakatRy na sa tr0pa namin at 0k anG resp0nse ng IMF.  HinDi hard driveN kasi di tulAd ng T&T na ayAw gumaLaw sa LPS2500.  

imf hp18 is 97 dB@1m sensitivity.. sd 18el is 98dB@1m sensitivity
4 pcs of imf hp18 will be at 103dB SPL@1m @ 1w input per speaker
2 pcs of sd18el will be at 101dB SPL@1m @ 1w input per speaker

imf hp18 @ rated power = 97dB + 28 dB= 125dB still @ 1 meter (less than 28dB<rounded ko na lang> is the power difference of 1w and 600w in decibels)
sd 18el @ rated power = 98dB + 30dB = 128 dB still @ 1 meter (30dB is the power difference of 1w and 1000 w in decibels)

4 pcs imf hp18 @ rated power will be 131 db-SPL ( amplifier power at rated will be 600w per speaker)
2 pcs sd18el @ rated power will be 131 dB-SPL   ( amplifier power at rated will be 1000w per speaker )

hirap na magdecide nyan,  

GalinG nit0 b0z.  

response would of course be diffenrent if 4 pcs imf hp18 in w-bins vs 2 pcs sd 18el also in w-bins, lamang na dito ang 4 pcs imf..

DepenDe b0z kunG gamiT m0 ay malakIng amp tulad nG 3600vz at 5000vz dahiL iba talaGa kunG ganit0 ang amp m0 sa l0ws at SD 18el l0aded pa. K0nting b0xes per0 s0lid ang tun0g.  

[eirol_99]

depenDe b0z kunG gamiT m0 ay malakIng amp tulad nG 3600vz at 5000vz dahiL iba talaGa kunG ganit0 ang amp m0 sa l0ws at SD 18el l0aded paK0nting b0xes per0 s0lid ang tun0g.  

sir same amps sa 4 pcs imf hp18 at 2 pcs sd 18 el at same type of box, then check natin response using SMAART. 

[Max_C]

so what amps are compatible with a pair of imf? thanks

http://www.qscaudio.com/products/amps/mx/mx.htm

BRAD MERON KAMING QSC MX3000 AT MAGANDA ANG BASS NG IMF SA AMP NA ITO.  MAS OK PA NGA ANG POWER NG IMF SA FANE COLOSSUS 18XB. MAS DINIG MO YUNG BUONG TONO NG KICK DRUM SA IMF.

[smarty]

http://www.qscaudio.com/products/amps/mx/mx.htm

BRAD MERON KAMING QSC MX3000 AT MAGANDA ANG BASS NG IMF SA AMP NA ITO.  MAS OK PA NGA ANG POWER NG IMF SA FANE COLOSSUS 18XB. MAS DINIG MO YUNG BUONG TONO NG KICK DRUM SA IMF.

kaya 2 pares ng imf?

[eirol_99]

kaya 2 pares ng imf?

kayang kaya nyan sir, eksakto 1200 W @ 4 ohms. ok na rin yan, conservatively rated naman mga qsc products eh.