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All material © 2

 

3.1 

For about fo

 

3.2 

A short circ
stressful loa
will be illum
for normal u
seconds un
 

3.3 

The MA 2.0
response to
the "TEMP"
temperature
heatsink ha
until the tem
power. 
 

3.4 

If DC or ex
mute both c
improving th

 
 

3.5 

An ultrason

 

 

2010 Martin Aud

Turn-On

our seconds 

Short c

cuit protectio

ads. It is com

minated. The 

use after 2 s

til the short i

Therma

0 amplifier u

o the amplifie

" LED illumin
e rises above

as cooled be

mperature  h

DC faul

xcessive sub

channels of 

he damping f

Input / O

ic network de

dio Ltd. Subject

n-Turn-Off

after turn-on

ircuit prot

n system sa

mpletely inau

amplifier pro

seconds. If t

s removed.  

al protectio

uses a contin

er's cooling 

nates and the

e 85°C the th

elow 85°C th

has dropped 

t protectio

bsonic energ

the amplifier

factor and re

Output pro

ecouples RF

 

t to change with

f muting 

n, and immed

tection 

afeguards the
udible when i

otection has 

the short circ

on 

nuously varia

requirements

e output pow

hermal sensi

he amplifier w

to 75°C. It

on 

gy appears a

r. The ampli

eliability of th

otection 

F from the ou

hout notice      

 

Prote

 

diately at turn

e amplifier's 

inactive. In th

an auto res

cuit is still pr

able speed f

s). If the hea

wer is reduce

ing circuitry w
will automati

is possible 

at a channe

fier shutdow
e MA2.0. 

utputs and ke

 

 

                

ection 

n-off, the am

output trans

he event of a

et mode wh

resent the a

fan to assist

atsink tempe

ed to prevent

will mute eac

ically un-mut

to reduce th

l output, an 

wn is used in

eeps the amp

                

plifier output

sistors under

a short circu

ich will attem
mplifier will a

t cooling (the

erature reach

t damages to

ch channels 

te but the T

he temperat

instantaneo

nstead off of 

plifier stable w

                

ts are muted

r short circui

it condition, 

mpt of reset 

attempt to re

e fan speed

hes approxim

o the output 

power sectio

TEMP LED w

ture reducing

ous protectio

speaker rel

with reactive

           12

.  

ts and other

the red LED

the amplifier

eset every 2

d changes in

mately 75°C,

stage. If the

on. Once the

will remain lit

g the output

n circuit will

ays, thereby

e loads. 



Summary of Contents for MA2.0 -

Page 1: ...The Martin Experience MA2 0 High Performance Amplifier User Guide All material 2010 Martin Audio Ltd Subject to change without notice...

Page 2: ...lo The Spe Tec dio Ltd Subject s and oper packing unting erating Pre Main con nnecting I nnecting O ettings roduction e LED indi ort circuit ermal prot fault prote nance aning rvice st remova otes ck...

Page 3: ...sted e product f 000 3 2 E omestic env ired to take and found safety requi and found to ules These l n the equipm can radiate r manual may residential a ct the interfe hout notice s remove the ctions...

Page 4: ...drip atus sively by ear his fundame nel red responsi k verify that th ection is cap quids into or ectrical powe emoving the ch like lighte dinary and e e among the ower than ma ifier and to u e for d...

Page 5: ...d volume ock hazar r is capable o aker wiring w important i carefully b aler t to change with use amplifie rd of producing while the amp information efore opera hout notice ers of this p hazardous o...

Page 6: ...y M technology reliability sm ler converti to the audio pling frequen fer incredibly ace and wei against ever aximum pow e design sta hout notice troducti er technolog fiers come c ions in heat can be...

Page 7: ...nsing circ ts circuit to c e rear of the allow the air are using a r f the rack for between un hout notice allation a r any noticea ed and inspec otify the ship inspection 19 rack Fou hese should syst...

Page 8: ...any in the gain co evel at the in uild them yo y faulty cabl e free reliab tion mains be sur a the IEC typ that your AC ve load for t The system portant to c hout notice nd is the sam improper AC nput...

Page 9: ...he s the connect must consider d in the rear tor to carry s t to change with ts 3 pin XLR fe tion of analog r that unbala panel is for d signal to othe hout notice emale on the g input for ba anced lo...

Page 10: ...o Speakon sho se internally nnel A is run power supply ower bandwid n all measur e mode the trols of both hout notice dspeaker co efore conne on connector ctor losses in o mode for e ould be treat y c...

Page 11: ...oduc right shows plifier panel contro tal control an status of th es a logarith nstructions n the man dio Ltd Subject 2 ction the front pa ols and indic nd detailed i he amplifier hmic scale fr below...

Page 12: ...wer due to an t to change with ors nel of the MA nding channe the signal is cates that th hen lit indica n over heated hout notice A2 0 The cli el The signa present in th e start up tim ates that the...

Page 13: ...equirements e output pow hermal sensi he amplifier w to 75 C It on gy appears a r The ampli eliability of th otection F from the ou hout notice Prote diately at turn e amplifier s inactive In th an au...

Page 14: ...repair moval nvironments ou may use r more comp t to change with AC main sou in your MA2 contact you the front fi compressed prehensive c hout notice User Ma urce first us 2 0 amplifier ur Martin Aud...

Page 15: ...ange with 5 gainst manuf riginal purcha udio will at i uct is returne butor responsible f ment weather e instructions ther warranty hout notice Warra facturing def ase its discretion ed in its origin...

Page 16: ...All material 2 7 1 The diagram 2010 Martin Aud Block d m below show dio Ltd Subject diagram ws the ampli t to change with 7 T ifier block dia hout notice Technica agram 1 Ch al notes annel shown n 15...

Page 17: ...0 N A N A amplifier sw y must includ ent the risk o t to change with tion Martin AC Ma 230V AC 0 13 0 2 Ampe 1 1 5 N A 1 8 2 9 N A witched off is de a bleed of shock from hout notice n Audio M ains 11...

Page 18: ...put signal pr t to change with eutrik 4 pole rmal protec system clip resence LED hout notice 0 Balance e Speakon co ction short p limiter an D 115 2 0 05 from 0 05 from 0 02 from 1 ed to ground 10 onn...

Page 19: ...All material 2 7 4 2010 Martin Aud Technic dio Ltd Subject cal Drawin t to change with g hout notice 18...

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