Martin Audio MA2.8s handleiding
Handleiding
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Martin Audio – MA2.8s Amplifier
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T his is be ca u se the co il is d riven w ith p ositive vo ltag e a t o ne p ole a nd an e qu iva le n t ne ga tive volta ge at th e othe r
p ole. S o , if an 8 o h ms lo ad is con ne cte d in brid g ed m od e , on e cha nn e l sh a re s on e 4 o h ms p art o f the loa d , an d the
o th er ch an ne l sha re s the othe r 4 o hm s p art. Th e p ow er in to 4 oh ms from a n M A 2.8 s (M L S at 0 d B) is 1 50 0W . S o, th e
total b rid ge d p ow er in to th e 8 o hm s loa d will be 2 x 15 0 0W = 30 00 W.
5 .4 I m p e d a n c e ma t c h in g ( M L S s w i t c h )
T p8-he M LS sw itche s are loca te d on th e rea r pa n el o f the a m plifier. Th e M LS (M in im u m Lo a d Se le ct) sw itch es offe r
imp ed an ce/po w er m atching , so th a t yo u can d rive the M A 2 .8 s into 2 o hm s w itho ut in cre ased h e at lo ss. Th e MA 2 .8s
can d elive r 1 50 0 wa tts in to b oth 2 a n d 4 oh m s. U se h ig p8-he r M LS sw itch p o sitio ns w he n con n ecting to lo we r
imp ed an ces a s sho wn in T a ble 1. As ca n be se en from T ab le 1, th e MA 2.8s ca n pro du ce ou tp ut po we rs in e xce ss of
1 50 0 wa tts.
M LS po sitio ns ca n be se t diffe re ntly fo r e ach cha nn e l, a nd a va rie ty o f com b in atio n s ca n b e ach ie ve d (se e T ab le 2).
T ab le 2 provide s th e sim p le st w a y to find th e be st ML S p osition for yo ur ap plica tion . T he re is n o risk o f da m ag in g the
a mp lifie r, a s it is we ll protected (e ve n do w n to 0.3 oh m s). If yo u a re u n su re , o r wh e re tim e d oe s n ot p e rm it
e xp erim e ntation , use the de fa ult p osition s.
T p8-he M A2 .8s a m plifie r is a p ow er co nve rter, a nd b y selectin g M LS p osition s you a re allocatin g a p o rtio n o f th e 3 40 0
w atts o f p ow e r
M A2.8s
M LS S WI TCH S ETTIN G
LOA D C ON FI GU R ATIO N - 5 dB - 4 dB - 2 dB 0 d B
1 6 oh ms S tereo ( 2 cha nn el) 1 60 w 2 00 W 3 40 W 5 20 W
8 o hms S tereo ( 2 cha nn el) 3 00 W 4 00 W 7 00 W 1 10 0 W
4 o hms S tereo ( 2 cha nn el) 6 00 W 7 50 W 1 30 0 W 1 50 0 W
2 o hms S tereo ( 2 cha nn el) 1 20 0 W 1 40 0 W 1 55 0 W 1 70 0 W [ 1]
1 90 0 W [2 ] 3 00 0 W [ 2]
1 6 oh ms Brid ged mon o 6 00 W 8 00 W 1 40 0 W 2 20 0 W
8 o hms Brid ged mon o 1 20 0 W 1 50 0 W 2 60 0 W 3 00 0 W
4 o hms Brid ged mon o 2 40 0 W 2 80 0 W 3 10 0 W 3 10 0 W [ 1]
[ 1] C omp on en t t olera nce d ep en den t
[ 2] C on t in uo u s po wer, on e cha nn el driv en or p eak p o wer bo t h ch a nn els d riven .
(Therma l p ro t e c t i o n m a y o c c u r a t h i g h c o n t i n u o u s p o w e r ) .
Pow er in w at t s (EIA 1 kH z, 1% TH D)
T ab le 1 .
All material © 2007. Martin Audio Ltd. Subject to change without notice.
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Productinformatie
| Merk | Martin Audio |
| Model | MA2.8s |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 3876 MB |
