Martin Audio – MA2.8s Amplifier
ENGLISH
5
!
6 . On in dica tor
T he two bo tto m gree n L ED ’s in dicate tha t th e o utp ut circuits are re ceivin g th e corre ct ra il vo lta ge .
7 . Fa n g rille filte rs
T wo g rille s w ith fo a m filte rs a re lo cated o n the fron t p an el to p re ven t d ust fro m en terin g the a m plifie r. Th e g rille s are
rem ovab le fo r e asy cle an ing o f the filters b y sim ply pu lling th em o ff. T h e fo am filte rs sho u ld a lwa ys b e u se d .
8 . Po we r s witch
T urns m a in s p ow er o n o r o ff.
(Se e pa g e 1 0 an d 1 4
)
4 .3 R e a r Pa n e l
CH . B CH . AINPUT INPUTCH . A L I NKCH . B L I N K
GA IN
41dB
38dB
35dB
32dB
29dB
26dB
23dB
20dB
678
123
GAIN
CH . B
GAI N
CH.A
LINK/ BRIDGE A+B
ON
OF F
Cu rrent consumption: 5.2A
230-240V 50-60Hz
1+ CH.B+
1- CH.B-
Ser. No :
OU T PUT CH . A
Clip Limi t er A
O
n
Off
STEREO
1+ CH.A+
1- CH.A-
2+ CH.B+
2- CH.B-
BRIDG E
Pin 1 + Spk+
2- Spk-
Pa t entsSE 9003426
EP 0483094
US 5 2 00 711
Cl ip Li mi t er B
On
O
ff
0
-2
-4
-5
MLS switch
dB
MLS switch
OUTPUT CH.B
STEREO
Must be grounded
XLR
Pin 1 Scrn Sleeve
2 Pos Tip
3 Neg Ring
1/4“
Made in t h e EEC by
MA 2.8s
1 . Ou tp u t / S pe ak er co nn e ctor
T he S pe akon co nn e ctor from N eu trik ma y b e un fa m ilia r to so m e use rs. A full d escrip tio n is fo un d in the o pe ratio n
section . (Se e p ag e 1 3).
2 . Minim um lo ad s ele ctor (M LS ) s witc h
T he se sw itch e s are u se d to se le ct th e m axim u m ou tpu t po w er. (Se e 9).
3 . Clip limiter s witch
T urns th e clip limiter ”O N” (sw itch IN po sitio n) or “OF F ” (sw itch O U T po sitio n). (Se e p ag e 15).
4 . In pu t s ig n al X LR . N eu trik C om b i j a c k f e a t u r e s a lso _” T RS ph on e jacks. (Pin 2 is “ho t”, see p a ge 1 2).
5 . Link In pu t. X LR m a le co nn ecto r con n ecte d in pa ralle l to th e fem ale for linkin g the ch an ne l to a no th er in pu t.
6 . Ga in sw itc h ch an n el B . T hree of th e sw itche s in th e D IP -switch se le cts the m a ximu m g ain o f th e cha nn e l to b e
e ithe r 2 0, 2 3 , 26 , 2 9, 3 2 , 36 , 3 9 or 41 d B. (S ee pa ge 6 ).
7 . Link an d P olarity rev e rs e sw itc h. T wo o f the sw itch e s in th e DIP -switch a re used fo r Lin k an d B ridg e o pe ratio n.
(Se e pa g e 6 ).
8 . Ga in sw itc h ch an n el A . T hree of th e sw itche s in th e D IP -switch se le cts the m a ximu m g ain o f th e cha nn e l to b e
e ithe r 2 0, 2 3 , 26 , 2 9, 3 2 , 36 , 3 9 or 41 d B. (S ee pa ge 6 ).
9 . AC M a in s c ab le . W AR NING !
A lab el ju st be lo w the m a in s ca b le o n the re ar o f the a m plifier ind ica te s the s e le cte d AC m a in s
o pe ra tin g vo lta ge . C on ne c t th e m ains ca ble o nly to th e A C so u rc e re ferre d to on th e lab el.
All material © 2007. Martin Audio Ltd. Subject to change without notice.
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