MC2 Audio S1400 User manual

S Series
Signature Reference Power Amplifiers
MC
S1400/S800
Operating Instructions
MC
www.mc2-audio.co.uk
Tel. [phone] Fax. [phone]
MC AUD O | Units 6-8 Kingsgate | Heathpark ndustrial Estate
Honiton | Devon | England | EX14 1YG
2

Page 2 S Series – S1400/800 Operating Instructions

S Series – S1400/800 Operating Instructions Page 3
CONTENTS
DECLARATION OF CONFORMITY........................................................................ 4
THANKS............................................................................................................... 5
INTRODUCTION................................................................................................... 5
IMPORTANT SAFETY INSTRUCTIONS ................................................................ 6
INSTRUCTIONS DE SECURITE IMPORTANTES ...................................................7
Ins alling Your Amplifier: Elec rical Considera ions......................................... 8
Ins alling Your Amplifier: Mechanical Considera ions...................................... 9
Connec ing To Your Amplifier: Inpu s and Link Ou s .......................................10
Connec ing To Your Amplifier: Speaker Ou pu s...............................................11
Connec ing To Your Amplifier: Bridged (Mono) Opera ion................................11
Opera ing Your Amplifier: Fron Panel Con rols and Indica ors......................12
Opera ing Your Amplifier: No es and Swi ching On .........................................13
Opera ing Your Amplifier: Rear Panel Socke s and Swi ches .........................14
Looking Af er Your Amplifier: Main enance ..................................................... 15
Looking Af er Your Amplifier: Warran y ...........................................................15
Performance Of Your Amplifier: Specifica ions ...............................................16

Page 4 S Series – S1400/800 Operating Instructions
DECLARATION OF CONFORMITY
We, he manufac urer:
MC
2
Audio,
Units 6-8 Kingsgate
Heathpark Industrial Estate
Honiton, Devon
England
E 14 1YG
acknowledge our responsibili y ha he following produc s:
Kind of equipment: Audio amplifier
Commodity Code: 8518408990
Type Designation: T500, T1000, T1500, T2000, T3500, T4-250
Ti500, Ti1000, Ti1500, Ti2000, Ti3500, Ti4-250
E15, E25, E45, E90, E100, E475
S800, S1400
and all OEM variants of these models
are manufac ured:
in accordance wi h EMC Direc ive 2004/108/EC,
in compliance wi h he following norm(s) or documen (s):
Technical Regulations: EN55103-1:1996, EN55103-2:1996
and
in accordance wi h he Low Vol age Direc ive 2006/95/EC,
in compliance wi h he following norm(s) or documen (s):
Technical Regulations: EN/IEC60065:2002 7
th
Edition
Signed: ……………………………………………………………………
Name: Alex Cooper
Posi ion: Research and Developmen Manager
Da e: January 2012

S Series – S1400/800 Operating Instructions Page 5
THANKS
Thank you for choosing an S Series amplifier for your applica ion.
Please spend a li le ime reading hrough his manual, so ha you ob ain he bes possible
performance from he uni and become familiar wi h i s opera ing requiremen s.
All MC
2
produc s are carefully designed and engineered for cu ing-edge performance and
world-class reliabili y. If you would like fur her informa ion abou his or any o her MC
2
produc , please con ac us.
We wish you many years of service from his amplifier and look forward o hearing from you
in he near fu ure.
INTRODUCTION
Designed for use in he bes s udio moni oring environmen , bu equally a home in any
applica ion where ransparency and “no compromise“ performance are he focus,
he S Series amplifiers deliver he sound quali y and reliabili y expec ed from MC
2
.
These amplifiers u ilise he bes complimen ary AB bipolar ou pu s ages, combined
wi h he unique MC
2
curren driven floa ing drive s age along wi h analogue level con rols for
minimal signal degrada ion.
Sophis ica ed “side-chain” limi ers preven dis or ion and speaker damage, bu are ou -of-
circui un il he onse of clipping so do no compromise he signal pa h under normal working
condi ions. A bespoke high fideli y shielded oroidal power supply combined wi h in elligen
low noise fan con rol provide op imum condi ions for he ou pu s ages, ensuring he only
hing you will ever hear is your sound.
Cri ical par s have been selec ed hrough a series of lis ening es s for op imum sonic
performance and approved by some of he mos well respec ed personnel in he indus ry.
The amplifiers of course include full DC, hermal and shor circui pro ec ion o ensure
rouble-free service.

Page 6 S Series – S1400/800 Operating Instructions
IMPORTANT SAFETY INSTRUCTIONS
CAUTION: RISK OF ELECTRIC SHOCK.
DO NOT OPEN
WARNING: Appara us wi h CLASS I cons ruc ion shall be connec ed o a MAINS socke ou le wi h a pro ec ive
ear hing connec ion.
WARNING: To preven injury, his appara us mus be securely a ached o he rack in accordance wi h he
ins alla ion ins ruc ions.
Read hese ins ruc ions.
Keep hese ins ruc ions.
Heed all warnings.
Follow all ins ruc ions.
Do no use his appara us near wa er.
Clean only wi h a dry clo h.
Do no block any ven ila ion openings, ins all in
accordance wi h he manufac urer’s ins ruc ions.
Do no ins all near any hea sources, such as
radia ors, hea regis ers, s oves or o her appara us
(including amplifiers) ha produce hea .
Pro ec he power cord from being walked on or
pinched par icularly a plugs, convenience
recep acles and he pin where hey exi from he
appara us.
The mains circui breaker shall remain readily
accessible.
Only use a achmen s/accessories specified by he
manufac urer.
Use only wi h he car , ripod, bracke or able
specified by he manufac urer, or sold wi h he
appara us. When a car is used, use cau ion when
moving he car /appara us combina ion o avoid injury
from a ip over.
Disconnec his appara us during ligh ning s orms or
when unused for a long period of ime.
Refer all servicing o qualified service personnel.
Servicing is required when he appara us has been
damaged in any way, such as if he power-supply cord or
plug is damaged, liquid has been spilled or objec s have
fallen in o he appara us, he appara us has been
exposed o rain or mois ure, does no opera e normally,
or has been dropped.
Do no expose his equipmen o dripping or splashing
and ensure ha no objec s filled wi h liquids, such as
vases, are placed on he equipmen .
To comple ely disconnec his equipmen from he AC
mains, disconnec he power cord from he mains circui
breaker.
Where he amplifier is moun ed in a rack and
permanen ly connec ed o he mains, hen he rack
should be ins alled wi h a readily accessible connec or
or an ALL POLE circui breaker wi h 3mm breaking
dis ances.
This uni is fi ed wi h a 3-wire power cord. For safe y
reasons, THE EARTH LEAD SHOULD NOT BE
DISCONNECTED IN ANY CIRCUMSTANCE.
The cooling fans suck cool air in hrough he fron and
blow ho air ou a he rear of he uni hrough he
ven ila ing grills. The fron and rear of he amplifier
should have free exposure o he air (i.e. in a rack leave
he fron and rear doors off), wi h 2cm air gap a he
sides and op. IF AIR IS NOT ALLOWED TO ESCAPE
FROM THE REAR, OVER-HEATING WILL OCCUR. Take
care when moun ing o her equipmen in he same rack.
The mains swi ch on he amplifiers only swi ches one
pole of he mains supply, herefore for uni s wi h a
de achable cord o be fully disconnec ed from he
mains, he mains disconnec device (ie mains plug or
mains coupler) should remain readily operable. For
uni s wi h a fixed mains lead he ex ernal all pole circui
breaker wi h 3mm breaking dis ances is he disconnec
device and herefore he ins alla ion of he amplifier
shall be carried ou in accordance wi h all he applicable
ins alla ion rules.
The ligh ning f
lash wi h arrowhead
symbol wi hin an equila eral riangle is
in ended o aler he user o he presence
if uninsula ed “dangerous vol age” wi hin
he produc ’s enclosure ha may be of
sufficien magni ude o cons i u e a risk
of elec ric shock o persons.
The exclama ion poin wi hin an
equila eral riangle is in ended o aler
he user of impor an opera ing and
main enance (servicing) ins ruc ions in
he li era ure accompanying he
appliance.

S Series – S1400/800 Operating Instructions Page 7
INSTRUCTIONS DE SECURITE IMPORTANTES
ATTENTION: RISQUE DE CHOC ELECTRIQUE.
NE PAS OUVRIR
ATTENTION: Appareils de cons ruc ion de CLASSE I doi ê re raccordé au réseau élec rique via une prise de couran
reliée à la erre.
ATTENTION: Pour évi er ou e blessure, ce appareil doi ê re solidemen fixé à la or ure, conformémen aux
ins ruc ions d'ins alla ion.
Lisez ces ins ruc ions.
Gardez ces ins ruc ions.
Fai es a en ion à ous les aver issemen s.
Suivez ou es les ins ruc ions.
N'u ilisez pas ce appareil près de l'eau.
Fai es le ménage seulemen avec un issu sec.
Ne bloquez pas d'ouver ures de ven ila ion, ins allez
conformémen aux ins ruc ions du fabrican .
N'ins allez près d'aucunes sources de chaleur,
comme les radia eurs, les regis res de chaleur, les
cuisinières ou d'au re appareil (en incluan des
amplifica eurs) qui produisen la chaleur.
Pro égez la corde de pouvoir d'ê re marché sur ou
pincé par iculièremen aux prises de couran , les
récep acles d'avan age e la pin e où ils sor en de
l'appareil.
Le disjonc eur de condui e principale res era sans
hési er accessible.
U ilisez seulemen des a achemen s/accessoires
spécifiés par le fabrican .
U ilisez seulemen avec le chario , le répied, la
paren hèse ou la able spécifiée par le fabrican , ou
vendu avec l'appareil. Quand un chario es u ilisé,
u ilisez la prudence en déplaçan la combinaison de
chario /appareil pour évi er la blessure d'un bou .
Débranchez ce appareil pendan les empê es de
foudre ou quand neuf pendan un long erme de
emps.
Renvoyez ou l'en re ien au personnel de service
qualifié. L'en re ien es exigé quand l'appareil a é é
nui de ou e façon, comme si la corde de pouvoir
provision ou la prise de couran son nuis, le liquide a
é é déversé ou les obje s son ombés dans l'appareil,
l'appareil a é é exposé pour pleuvoir ou l'humidi é,
n'opère pas normalemen , ou a é é baissé.
N'exposez pas ce équipemen au fai de omber gou e
à gou e ou au fai d'éclabousser e garan issez
qu'aucun obje rempli des liquides, comme les vases,
n'es placé sur l'équipemen .
Pour complè emen débrancher ce équipemen de la
condui e principale de couran al erna if, débranchez la
corde de pouvoir du disjonc eur de condui e principale.
Où l'amplifica eur es mon é dans un égou oir e en
permanence raccordé à la condui e principale, alors
l'égou oir devrai ê re ins allé avec un connec eur sans
hési er accessible ou TOUT le disjonc eur de PÔLE avec
3 millimè res cassan des dis ances.
Ce e uni é es correspondue avec une corde de pouvoir
de 3 fils. Pour les raisons de sécuri é, l'AVANCE DE
TERRE NE DEVRAIT ÊTRE DÉBRANCHÉE DANS
AUCUNE CIRCONSTANCE.
Les ven ila eurs englou issen l'air frais par le fron e
soufflen l'air chaud à l'arrière de l'uni é par les grils
aéran s. Le fron e l'arrière de l'amplifica eur devraien
avoir l'exposi ion libre à l'air (c'es -à-dire dans un
égou oir ome en les por es de devan e arrière), avec
le rou aérien de 2 cen imè res aux cô és e au hau . Si
on NE PERMET PAS QUE D'AIR S'ÉCHAPPE DE
L'ARRIÈRE, LE FAIT DE SURCHAUFFER SE PRODUIRA.
Fai es a en ion en mon an d'au re équipemen dans le
même égou oir.
L'in errup eur principal sur les amplifica eurs ne coupe
qu'un pôle de l'alimen a ion sec eur. le cordon IEC
perme ra de déconnec er l'appareil de l'alimen a ion
sec eur, pour ce e raison l'accès à ces fiches (fiche
mâle ou femelle) doi ê re facili és.
Pour les appareils avec un câble d'alimen a ion fixe
sans fiche sec eur, le disposi if de coupure omnipolaire
ayan une dis ance d'ouver ure de con ac d'au moins
3mm, sera le disposi if perme an la déconnexion
complè e de l'appareil.
Pour ce e raison l'ins alla ion e le raccordemen de
l'amplifica eur devra ce faire conformémen au
réglemen a ion en vigueur.
Le symbole repr
é
sen an un éclair fl
é
ch
é
dans un riangle équila éral a pour bu
d’aler er l’u ilisa eur de la présence
d’une “ ension dangeruese” non isolée à
l’in érieur du boi ier, pouvan ê re d’une
force suffisan e pour cons i uer un risqué
d’élec rocu ion.
Le poin d’exclama ion dans un riangle
équila éral a pour bu d’aler er
l’un ilisa eur de la présence
d’ins ruc ions impor an es concernan le
fonc ionnemen e la main enance, dans
la documen a ion qui accompagne
l’appariel.

Page 8 S Series – S1400/800 Operating Instructions
Ins alling Your Amplifier: Elec rical Considera ions
The amplifier has been manufac ured o comply wi h your local power supply requiremen s,
bu before connec ing he uni o he supply, ensure ha he vol age (prin ed on he rear
panel) is correc .
The amplifier is fi ed wi h ei her a 100/120V or 220/240V apped ransformer according o
cus omer requiremen s.
Make sure power ou le s conform o he power requiremen s lis ed on he back of he uni .
Damage caused by connec ing o improper AC vol age is no covered by he warran y.
SAFETY WARNING
Where a MAINS plug or appliance coupler is used as he disconnec device, i should remain
readily operable.
Where he amplifier is moun ed in a rack and permanen ly connec ed o he mains, hen he
rack should be ins alled wi h a readily accessible connec or or an ALL POLE circui breaker
wi h 3mm breaking dis ances.
This uni is fi ed wi h a 3-wire power cord.
For safe y reasons,
THE EARTH LEAD SHOULD NOT BE DISCONNECTED IN ANY CIRCUMSTANCE.
If ground loops are encoun ered consul he sec ion on connec ing your amplifier on page 10.
The wiring colours are:
230V AREAS: EARTH = GREEN AND YELLOW 120V AREAS: EARTH = GREEN
NEUTRAL = BLUE NEUTRAL = WHITE
LIVE = BROWN LIVE = BLACK
DO NOT USE THE UNIT IF THE ELECTRICAL POWER CORD IS FRAYED OR BROKEN. The
power supply cords should be rou ed so ha hey are no likely o be walked on or pinched by
i ems placed upon or agains hem, paying par icular a en ion o cords and plugs and he
poin where hey exi from he appliance.
ALWAYS OPERATE THE UNIT WITH THE AC GROUND WIRE CONNECTED TO THE ELECTRICAL
SYSTEM GROUND. Precau ions should be aken so ha he means of grounding of a piece of
equipmen is no defea ed.
DO NOT REMOVE THE LID. Removing he lid will expose you o po en ially dangerous
vol ages. There are no user serviceable par s inside.

S Series – S1400/800 Operating Instructions Page 9
Ins alling Your Amplifier: Mechanical Considera ions
To ensure ha his equipmen performs o specifica ion, i should be moun ed in a sui able
rack or enclosure as described below. Like all high power amplifiers, i should be kep away
from o her equipmen which is sensi ive o magne ic fields. Also, his amplifier may suffer a
subs an ial reduc ion in performance if i is subjec ed o, or moun ed close o equipmen
which radia es high RF fields.
Warning: To preven injury, his appara us mus be securely a ached o he rack in
accordance wi h he ins alla ion ins ruc ions
When moun ing he amplifier in a rack or enclosure:
Be aware ha …
THE FRONT PANEL IS NOT CAPABLE OF SUPPORTING THE UNIT ON ITS OWN.
Make sure ha he rear of he uni is adequa ely suppor ed. The bracke s which are supplied
fi s andard 19 inch (483mm) rack moun ing sys ems.
ENSURE THERE IS ADEQUATE VENTILATION.
The cooling fans suck cool air in hrough he fron and blow ho air ou a he rear of he uni
hrough he ven ila ing grills. The fron and rear of he amplifier should have free exposure o
he air (i.e. in a rack leave he fron & rear doors off), wi h 2cm air gap a he sides.
IF AIR IS NOT ALLOWED TO ESCAPE FROM THE REAR, OVER-HEATING WILL OCCUR.
Take care when moun ing o her equipmen in he same rack.
Make sure ha he rack uni has a separa e ear h connec ion ( echnical ear h).
Please also see he no es regarding main enance on page 15.

Page 10 S Series – S1400/800 Operating Instructions
Connec ing To Your Amplifier: Inpu s and Link Ou s
Inpu s and Links - The inpu and link ou pu s are made via 3-pin XLR connec ors, which are
elec ronically balanced and should be connec ed via a high grade win core screened cable,
as follows:
PIN1: Screen (see no e)
PIN2: Ho (signal +)
PIN3: Cold (signal -)
The amplifier is designed o opera e wi h fully balanced equipmen and ground loops or loss
of performance may be experienced if connec ed o unbalanced sources. If i is unavoidable
however, he following wiring should be used. The cable should s ill be win core plus screen.
PIN1: Screen - connec ed o he chassis of he unbalanced equipmen - or lef disconnec ed
a he unbalanced end.
PIN2: Ho (signal +)
PIN3: Cold (ground 0V)
NOTE: This amplifier is wired o he la es indus ry recommenda ions. PIN1 is connec ed
direc ly o he chassis/mains ear h. If ground loops (mains hum) are encoun ered remove he
screen connec ion from he o her end of he cable and leave i open circui . If problems
persis , consul your dealer/supplier.
DO NOT TAMPER WITH OR ALTER ANY GROUND (EARTH) CONNECTIONS INSIDE THE
AMPLIFIER.
For bridged opera ion inpu should be made o channel A only and he rear panel swi ch se
for bridged mode.
For link ou pu s he following wiring should be used:
PIN1: Screen (see no e)
PIN2: Ho (signal +)
PIN3: Cold (signal -)
No e ha link ou pu s are purely passive and are hardwired across he inpu s, so will
con inue o func ion even if he amplifier is urned off.
L
R
F
E
M
A
L
E
L
R
M
A
L
E

S Series – S1400/800 Operating Instructions Page 11
Connec ing To Your Amplifier: Speaker Ou pu s
The speaker ou pu s are via Neu rik Speakon connec ors. 2 pole (NL2FC) or 4 pole (NL4FC)
connec ors can be used.
Pin 1+: Ho
Pin 1-: Cold
Addi ionally Channel A Speakon connec or carries Channel B ou pu on Pins +2 & -2 o allow
easy bi-amping or bridged opera ion using a single NL4 connec or.
Pin 2+: Ho Ch. B
Pin 2-: Cold Ch. B
There must be no shared connections between channels.
As he curren s involved are very high, and o ensure bes performance, he speaker cables
should be kep as shor as possible and conform o he following minimum requiremen s:
S800, 12A in o 4 Ohm speaker loads
S1400, 16A in o 4 Ohm speaker loads
When opera ing he amplifier in o loads of less han 4 Ohms, be aware ha he curren
capaci y of he speaker cables will need o be increased above he values quo ed here.
Do no connec he inpu s/ou pu s o any o her vol age source such as a ba ery, mains source
or power supply, regardless of whe her he amplifier is urned on or off.
Do no run he ou pu of any amplifier channel back in o ano her channel’s inpu and do no
parallel or series-connec an amplifier ou pu wi h any o her amplifier ou pu .
Connec ing To Your Amplifier: Bridged (Mono) Opera ion
Supply signal o Channel A inpu only and push in he rear panel swi ch marked “Bridged
Mono”.
Use Channel A Ou pu Speakon connec or and connec as follows:
Pin 2+: Ho
Pin 1-: Cold
When opera ing in bridged mode, he minimum impedances are doubled.
The minimum load in bridged mode is 4 ohms.
S
P
E
A
K
O
N
N
L
2
&
N
L
4

Page 12 S Series – S1400/800 Operating Instructions
Opera ing Your Amplifier: Fron Panel Con rols and Indica ors
1: Limi LEDs: The amplifiers incorpora e signal limi ers, which are prese o preven
clipping wi h high levels of drive. The amber LEDs on he fron panel illumina e o indica e
opera ion of he limi ers.
2: Signal LEDs: These are ac ive from a minimum ou pu level of approxima ely 10 Wa s and
are an indica ion only of signal presence.
3: A enua ion Con rols: These are analogue con rols allowing precise level se ings. No e
ha in ‘BRIDGED’ mode only ‘channel A’ con rol is ac ive.
4: A/P (Audio Pro ec ) LED: If he ou pu s are shor ed or if DC is presen , he pro ec ion
circui will disengage he ou pu s and he A/P LED will illumina e. The amplifier will con inue
o be moni ored and depending on he ype of faul , will ei her rese af er he faul has cleared
or require manual rese ing by swi ching off a he mains swi ch and hen on again af er a few
seconds.
Tempera ure rela ed faul s will rese if he uni has cooled sufficien ly.
Ou pu shor circui s will require manual rese af er clearing he faul .
5: Bridge LED: This indica es he posi ion of he swi ch on he rear panel and is illumina ed
when bridged mode is selec ed wi h he swi ch pressed in.
6: Power LED: This indica es when he amplifier is ac ive — his does NOT indica e he
presence of a mains supply when he power swi ch is OFF.
7: Power Swi ch: This single pole swi ch urns he amplifier fully off (bu does no isola e i
from he mains supply).

S Series – S1400/800 Operating Instructions Page 13
Opera ing Your Amplifier: No es and Swi ching On
Read all documen a ion before opera ing your equipmen and re ain all documen a ion for
fu ure reference.
Do no spill wa er or o her liquids in o or on he uni and do no opera e he uni while
s anding in liquid.
Do no block fan in ake or rear ven ila ion ou le s or opera e he uni in an environmen ha
could impede he free flow of air around he uni .
If he uni is used in an ex remely dus y or smoky environmen , i should be cleaned of any
collec ed debris a regular in ervals. Please also see he no es regarding main enance on
page 15.
I is impor an ha he power ou pu of your amplifier is ma ched o he power handling
capaci y of your loudspeaker. If no , damage o he loudspeaker could occur.
Swi ching On…
A ‘swi ch-on’ he pro ec ion circui will ini ially ac iva e whils he circui s s abilise.
Assuming no faul s are de ec ed af er a few seconds only he Power LED (and Signal
indica ors if signal is applied) will illumina e.

Page 14 S Series – S1400/800 Operating Instructions
Opera ing Your Amplifier: Rear Panel Socke s and Swi ches
1: Fan ou le s: The variable speed fans suck air in hrough he fron ven s and ou hrough
he back of he amplifier. Please see main enance on page 15 for recommenda ions on how
o clean hese and he fron foam sec ions.
2: Link ou XLR socke s: These are passively connec ed direc ly o heir respec ive inpu s o
allow for parallel inpu connec ions o o her amplifiers. As such, hey will func ion even if he
amplifier is urned off.
3: Inpu XLR socke s: Connec signal inpu s o hese socke s, wired pin 2 ho , 3 cold, 1
ground. For sensi ivi y and impedance of hese inpu s, please see he specifica ions on page
16. When running in bridged (mono) mode, only inpu A is used.
4: Bridged (Mono) swi ch: Depress his swi ch o run he amplifier in bridged mode. No e
ha he ou pu mus be aken from channel A’s ou pu Speakon connec or, on pins 2+ ho , 1-
cold.
5: Channel A ou pu Speakon socke : Normal ou pu is on pins 1+ ho , 1- cold. Channel B’s
ou pu is also wired o his socke o enable a single NL4 o provide bo h channels and o
facili a e easier wiring in bridged mode. Channel B is wired pins 2+ ho , 2- cold.
6: Channel B ou pu Speakon socke : Normal ou pu is on pins 1+ ho , 1- cold.
Input / Link
Pin1 GND
Pin2 +VE
Pin3 -VE
Stereo Mode
Channel A & B Outputs
1+ = +VE
1- = -VE
Class 2 Wiring
on Outputs
To reduce the risk of fire
or electric shock, do not
expose this apparatus to
rain or moisture.
All vents on the front and
rear of the unit must not
be obstructed.
MC
2
Made in England
Serial No.
L
i
n
k
I
n
p
u
t
L
i
n
k
I
n
p
u
t
Bridged
Mono
Stereo
Channel B
Channel A
Bridged Mono Mode
Use Channel A Output
2+ = +VE
1- = -VE
Channel B O/P Channel A O/P
CAUTION
This equipment
must be earthed.
123
4
6 5

S Series – S1400/800 Operating Instructions Page 15
Looking Af er Your Amplifier: Main enance
Before any rou ine main enance, please ensure ha your amplifier is disconnec ed from he
mains supply!
The fil er behind he air in ake aper ures on he fron of your amplifier should be cleaned or
replaced periodically, e.g. 12-24 mon hs. (Fil ers in amplifiers loca ed in more 'dir y'
a mospheres may require more frequen main enance).
The fil er should be 'dry' cleaned, using a vacuum cleaner preferably. Running he uni
wi hou a fil er is no recommended unless i is wi hin a 'clean room'. Replacemen fil er
ma erial is available.
If he fan ven s on he rear of he amplifier develop a build-up of dus /debris on he finger
guards, hey can be cleaned wi h a dry pain brush and a vacuum cleaner.
The casework of he amplifier may be cleaned wi h a ligh ly dampened clo h — do no use any
solven s as hey will damage he pain finish and could remove prin ing.
If you have any doub s abou carrying ou main enance, please refer o a service engineer or
con ac your local dealer.
Looking Af er Your Amplifier: Warran y
Your amplifier is guaran eed for a period of five (5) years from he da e of purchase. We hope
ha i gives you many more years of reliable service han his, bu should any hing go wrong,
please con ac us o advise you abou repairs or any spares you migh require.
Please do no a emp o repair he amplifier yourself as doing so will invalida e he warran y.
Our con ac de ails are:
MC
2
Audio,
Uni s 6-8 Kingsga e
Hea hpark Indus rial Es a e
Honi on, Devon
England
EX14 1YG
Tel: [phone]
Fax: [phone]
email: sal[email protected].uk for general enquiries
Our websi e is a grea place o ge s ar ed if you have any ques ions regarding he general use
of your amplifier or need copies of his manual in digi al form, or da ashee s and
pho ographs. The da ashee s also con ain archi ec ’s and engineer’s specifica ions.
www.mc2-audio.co.uk

Page 16 S Series – S1400/800 Operating Instructions
Performance Of Your Amplifier: Specifica ions
Main Specifica ions
Parame er (Uni s) S1400 S800
Ou pu Power per channel [Cres Fac or = 4.8] (Wa s)
8 Ohms
775 475
4 Ohms
1500 950
2 Ohms
1800 1550
Ou pu Power per channel bridged [Cres Fac or = 4.8] (Wa s)
8 Ohms
3000 1900
4 Ohms
3600 3100
THD+N, 4 Ohms (%)
@1kHz, 1dB below max ou pu power <
0.008 0.007
@20Hz - 20kHz, 1dB below max ou pu power <
0.03 0.03
Gain Op ions (dB) 32 / 36 32 / 36
Sensi ivi y Op ions for max power (dBu) 8.0 / 4.0 5.5 / 1.5
Sensi ivi y Op ions for max power (Vol s) 2.0 / 1.2 1.4 / 0.9
Frequency Response, +0/0.5dB (Hz) 20 — 20000 20 — 20000
Power Consump ion, Nominal @ 240V, 4 Ohms (A) 3.2 2.1
Power Consump ion, Nominal @ 120V, 4 Ohms (A) 6.4 4.2
Dimensions H x W x D (mm)
Amplifier
88 x 482 x 428 88 x 482 x 428
Boxed
230 x 580 x 560 230 x 580 x 560
Boxed Shipping — all excep UK
250 x 610 x 600 250 x 610 x 600
Weigh (kgs)
Amplifier
23.25 20.5
Boxed — shipping
25 22.25
Addi ional Specifica ions
Parame er (Uni s) S1400 S800
Inpu Impedance — Ac ive Balanced (Ohms) 20k 20k
Inpu CMRR (dB) > 60 > 60
SNR (dB) 106 106
Damping Fac or, 1kHz, 8 ohms > 400 > 400
Signal Limi ers Presen Yes Yes
Pro ec ion Presen — Shor Circui / DC Ou pu / Tempera ure Yes Yes
Mains In-rush Con rol Presen Yes Yes
Ou pu Power per channel, 8 Ohms (Wa s)
Sine Wave @ 1kHz
650 450
Con inuous music [Cres Fac or of 2.8 or 9dB]
725 475
Con inuous music [Cres Fac or of 4.8 or 14dB]
775 475
Con inuous music [Cres Fac or of 7.8 or 18dB]
775 500
Ou pu Power per channel, 4 Ohms (Wa s)
Sine Wave @ 1kHz
1250 800
Con inuous music [Cres Fac or of 2.8 or 9dB]
1450 900
Con inuous music [Cres Fac or of 4.8 or 14dB]
1500 950
Con inuous music [Cres Fac or of 7.8 or 18dB]
1500 1000
Ou pu Power per channel, 2 Ohms (Wa s)
Sine Wave @ 1kHz
1300* 1300
Con inuous music wi h Cres Fac or of 2.8 [9dB]
1675 1500
Con inuous music wi h Cres Fac or of 4.8 [14dB]
1800 1550
Con inuous music wi h Cres Fac or of 7.8 [18dB]
1900 1700
Due o con inuing produc improvemen he above specifica ions are subjec o change.
*Power ou pu is au oma ically limi ed o his value on he S1400 model.

S Series – S1400/800 Operating Instructions Page 17
Performance Of Your Amplifier: Specifica ions
Power Consump ion and Thermal Emissions — S1400
Mains
(V)
Load
(R)
Curren Draw
(A)
Thermal Emissions
(W)
No Sig’l Light Average Heavy No Sig’l Light Average Heavy
240 8
0.6 1.1 1.9 4.0 144 173 223 343
240 4
0.6 1.5 3.2 7.3 144 200 296 543
240 2
0.6 1.8 3.7 8.4 144 214 327 605
120 8
1.2 2.2 3.8 7.9 144 173 223 343
120 4
1.2 3.1 6.4 14.6 144 200 296 543
120 2
1.2 3.6 7.3 16.7 144 214 327 605
Power Consump ion and Thermal Emissions — S800
Mains
(V)
Load
(R)
Curren Draw
(A)
Thermal Emissions
(W)
No Sig’l Light Average Heavy No Sig’l Light Average Heavy
240 8
0.5 0.8 1.3 2.7 120 139 168 251
240 4
0.5 1.1 2.1 4.7 120 157 216 368
240 2
0.5 1.6 3.1 7.4 120 183 277 533
120 8
1.0 1.6 2.6 5.4 120 139 168 251
120 4
1.0 2.2 4.2 9.3 120 157 216 368
120 2
1.0 3.1 6.3 14.9 120 183 277 533
No Sig’l = Quiescen , Ligh = Cres Fac or of 7.8(18dB),
Average = Cres Fac or of 4.8(14dB), Heavy = Cres Fac or of 2.8(9dB)
For de ails of measuremen me hods please refer o he Technical Suppor area of our websi e.