Musical Fidelity Home Theater System AMS35I User Manual

AMS35i  
ANTONY MICHAELSON SIGNATURE  
PURE CLASS A 35W INTEGRATED AMPLIFIER  
INSTRUCTIONS FOR USE  
Thank you for purchasing the Musical Fidelity AMS35i pure class A Integrated amplifier.  
The AMS35i Integrated uses a pure class A output stage to deliver the absolute best in audio  
quality with no listener fatigue and freedom from crossover distortion artefacts. This results in an  
astounding improvement in musicality and tonal neutrality. It also features a fully balanced input  
for the best in sound quality and dynamics.  
The AMS35i is designed to be partnered with present and future AMS series products. This  
combination yields one of the best high-fidelity systems available at any price.  
Used properly and carefully, it should give many years of outstanding musical reproduction.  
Dust regularly with a soft duster or soft brush, but be careful when using cleaning or polishing agents  
- they may harm the surface finish.  
If there are any questions about the audio system,  
please consult the dealer who is there to help and advise.  
 
SAFETY INFORMATION  
AMS35i  
IMPORTANT! (U.K. only)  
This unit is supplied in the U.K. with mains lead fitted with a moulded 13 amp plug. If, for any reason, it is necessary  
to remove the plug, please remove the fuse holder and dispose of the plug safely, out of reach of children.  
It must not be plugged into a mains outlet.  
The wires in the mains lead supplied with this appliance are coloured in accordance with the following code:  
Green and yellow..............Earth  
Blue................................Neutral  
Brown.................................Live  
WARNING - This appliance MUST be earthed  
As the colours of the wires of the mains lead of this appliance may not correspond with the  
coloured markings identifying the terminals in the plug, proceed as follows:  
The wire which is coloured green-and-yellow must be connected to the terminal in the plug which is marked with the  
letter E or coloured green or green-and-yellow, or by the earth symbol :  
The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured red.  
The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black.  
If connecting to a BS1363 plug, a 13 amp fuse must be used.  
WARNING:  
ANY MODIFICATIONS TO THIS PRODUCT NOT EXPRESSLY APPROVED  
BY MUSICAL FIDELITY WHO IS THE PARTY RESPONSIBLE FOR  
STANDARDS COMPLIANCE COULD VOID THE USER'S AUTHORITY TO  
OPERATE THIS EQUIPMENT.  
Issue 2  
Page 3 of 12  
 
GENERAL ADVICE  
AMS35i  
INSTALLATION PRECAUTIONS & USER INFORMATION  
This new AMS35i is designed and built to provide trouble-free performance, but as with all electronic devices it is  
necessary to observe a few precautions:  
Heed all warnings shown on the back of the product.  
Only connect the AMS35i to a mains outlet having the same voltage as marked at the back of the unit.  
Always ensure that when disconnecting and reconnecting your audio equipment the mains supply is switched  
off.  
Position the mains lead and signal interconnects where they are not likely to be walked on or trapped by items  
placed on them.  
Do not use near water, or place water-filled containers on the AMS35i, for example, a flower vase or potted  
plants. If water does spill inside, immediately pull out the mains plug from the wall socket and inform  
your dealer, who should then check the unit before further use. Entry of liquid into the AMS35i is  
dangerous, and may cause electric shock or fire hazard.  
Do not place the unit near direct heat sources such as radiators, direct sunlight or other equipment.  
Do not remove any covers or try to gain access to the inside. There are no internal adjustments or fuses you  
can replace yourself. Refer all service work to an authorised Musical Fidelity agent.  
Note: Unauthorised opening of the equipment will invalidate any warranty claim.  
Dust regularly with a soft cloth or soft brush but be careful when using cleaning or polishing agents - they may  
harm the surface finish.  
The electronics in modern hi-fi equipment is complex and may, therefore, be adversely affected or damaged by  
lightning. For protection of the audio system during electrical storms, remove the mains plugs and disconnect any  
aerial lead.  
If after-sales service is required, to help the dealer identify the AMS35i please quote the serial number located on the  
rear panel of the unit.  
Issue 2  
Page 4 of 12  
 
ITEM DISPOSAL INFORMATION  
AMS35i  
DISPOSAL  
AFVAL  
The crossed out wheeled bin label that appears on the  
back panel of the product indicates that the product must not be  
disposed of as normal household waste. To prevent possible harm  
to the environment please separate the product from other waste to  
ensure that it can be recycled in an environmentally safe manner.  
Please contact local government office or retailer for available  
collection facilities.  
Het label op de achterzijde van dit apparaat, een  
afvalbak op wielen met een kruis doorgehaald, geeft aan dat dit  
apparaat niet samen met gewoon huishoudafval mag worden  
weggegooid. Om mogelijke schade aan onze leefomgeving te  
voorkomen dient dit apparaat, gescheiden van gewoon  
huishoudelijk afval, te worden afgevoerd zodat het op een  
milieuvriendelijke manier kan worden gerecycled. Neem voor  
beschikbare inzamelplaatsen contact op met uw gemeentelijke  
reinigingsdienst of met uw elektronica leverancier.  
DISPOSITION  
La poubelle sur roulettes barrées X, qui apparaît en logo  
sur le panneau arrière du produit, indique que celui-ci ne doit pas  
être traité comme un déchet domestique commun. Afin de protéger  
l'environnement, ce produit électronique devra être géré  
séparément et donc recyclé selon les nouvelles normes  
Européennes Rohs concernant les déchets d'appareils électroniques.  
Prière de contacter les services concernés gouvernementaux ou  
votre point de vente pour l'élimination et l'enlèvement de déchets  
électroniques équipés de composants électroniques.  
HÄVITTÄMINEN  
Yliruksattua jäteastiaa kuvaava tarra tuotteen  
takalevyssä kertoo, että tuotetta ei saa käsitellä normaalina  
talousjätteenä. Ympäristön suojelemiseksi on tuote pidettävä  
erillään muusta jätteestä ja se on kierrätettävä ekologisesti  
kestävällä tavalla. Ota yhteyttä laitteen myyjään tai Pirkanmaan  
Ympäristökeskukseen lähimmän kierrätyskeskuksen löytämiseksi.  
AFSKAFNING  
DISPOSAL  
Logoet med en skraldespand med kryds over på bagsiden  
af apparatet indikerer at dette produkt ikke må kasseres som normal  
husholdningsaffald. For at forebygge mulig skade på miljøet, bedes  
De separere dette produkt fra andet affald, og sikre at det bliver  
genbrugt på en miljørigtig måde. Kontakt venligst de lokale  
myndigheder eller din forhandler for oplysning om nærmeste  
tilgængelige opsamlingssted for elektronikaffald.  
La etiqueta cruzada hacia fuera del compartimiento que  
aparece en el panel trasero del producto indica que el producto no  
se debe reciclarse como basura normal de la casa. Para prevenir  
daños posible al ambiente separe por favor el producto de otras  
basura para asegurarse de que puede ser reciclada de una manera  
ambientalmente segura. Entre en contacto por favor a su oficina  
gubernamental local o a su minorista para las instalaciones  
disponibles de la colección.  
∆ΙΑ∆ΙΚΑΣΙΑ ΑΠΟΡΡΙΨΗΣ  
ΤΟ  
ΤΡΟΧΗΛΑΤΟ ΚΑ∆Ο ΑΠΟΡΡΙΜΑΤΩΝ ΣΤΗΝ ΠΙΣΩ  
ΟΨΗ ΤΟΥ ΜΗΧΑΝΗΜΑΤΟΣ  
∆ΗΛΩΝΕΙ ΟΤΙ ΤΟ ΠΡΟΙΟΝ ΑΥΤΟ ∆ΕΝ ΠΡΕΠΕΙ ΝΑ  
∆ΙΑΧΕΙΡΙΣΘΕΙ ΣΑΝ ΣΥΝΗΘΙΣΜΕΝΟ ΟΙΚΙΑΚΟ ΑΠΟΒΛΗΤΟ.  
ΠΡΟΣ ΑΠΟΦΥΓΗ ΕΝ∆ΕΧΟΜΕΝΗΣ ΕΠΙΒΑΡΥΝΣΗΣ ΤΟΥ  
ΠΕΡΙΒΑΛΛΟΝΤΟΣ, ΞΕΧΩΡΙΣΤΕ ΤΟ ΠΡΟΙΟΝ ΑΠΟ ΤΑ  
ΑΛΛΑ  
ΣΗΜΑ  
ΜΕ  
ΤΟΝ  
∆ΙΑΓΕΓΡΑΜΜΕΝΟ  
RIFIUTI  
L'etichetta del cassonetto barrato riportato sul retro  
dell'apparecchio indica che il prodotto non deve essere smaltito  
tramite la procedura normale di smaltimento dei rifiuti domestici.  
Per evitare eventuali danni all'ambiente, separare questo prodotto  
da altri rifiuti domestici in modo che possa venire riciclato in base  
alle procedure di rispetto ambientale. Per maggiori dettagli  
sulle aree di raccolta disponibili, contattate l'ufficio govenativo  
locale od il rivenditore del prodotto.  
ΑΠΟΡΡΙΜΑΤΑ ΩΣΤΕ ΝΑ ΕΞΑΣΦΑΛΙΣΘΕΙ Η ΑΝΑΚΥΚΛΩΣΗ  
ΤΟΥ ΜΕ ΤΟΝ ΠΡΕΠΟΝΤΑ ΤΡΟΠΟ.  
ΠΑΡΑΚΑΛΟΥΜΕ ΝΑ ΕΠΙΚΟΙΝΩΝΗΣΕΤΕ ΜΕ ΤΗΝ ΤΟΠΙΚΗ  
FACHGERECHTE ENTSORGUNG:  
ΥΠΗΡΕΣΙΑ ΑΝΑΚΥΚΛΩΣΗΣ  
Η
ΜΕ ΤΟ ΚΑΤΑΣΤΗΜΑ  
Das auf der Geräterückseite angebrachte Label deutet  
darauf hin, dass das Produkt nicht mit konventionellem  
Hauskehricht entsorgt werden darf. Um Schäden und  
Verschmutzungen an Umwelt und Mensch zu vermeiden, muss das  
Produkt fachgerecht entsorgt und von anderem Abfall getrennt  
werden. Wenden Sie sich bei Fragen hierzu an Ihren Fachhändler  
oder an eine öffentliche Informationsstelle.  
ΑΓΟΡΑΣ ΓΙΑ ΠΕΡΙΣΣΟΤΕΡΕΣ ΛΕΠΤΟΜΕΡΕΙΕΣ.  
Issue 2  
Page 5 of 12  
 
INSTALLATION  
AMS35i  
INTRODUCTION  
POWER CONNECTIONS  
Congratulations on the purchase of the new AMS35i Class A  
Integrated amplifier. Great attention has been paid to internal  
layout, isolating each circuit section to prevent possible  
interaction.  
The AMS35i is supplied with a standard IEC mains cable  
which plugs into the IEC socket at the back of the unit (see  
P.7)  
The unit features a finely tuned and tweaked , for smooth  
sound coupled with low noise and virtually no distortion.  
The power amplifier consists of two monoblock class-A  
amplifier modules with separate supplies for the absolute best  
in separation and imaging. Generously rated, they are enough  
to drive even the most demanding loudspeakers with ease.  
Low distortion and very quiet they will deliver all music types  
exactly as the artist originally intended.  
The resultant performance achieved by this unit is among the  
best in the world. It has excellent signal to noise ratio, low  
distortion, wide bandwidth and dynamic range, with  
extraordinary resolution and fine detail.  
AUDIO CONNECTIONS  
RCA Inputs: Connect all RCA single-ended sources to  
relevant analogue inputs (see p.7 For more information). Use  
good quality fully connected (signal and ground) coaxial  
phono cables for all RCA signal connections.  
XLR Inputs: Connect all XLR balanced sources to relevant  
analogue inputs (see p.7 For more information). Use good  
quality fully connected (signals and ground) balanced XLR  
cables for all XLR signal connections.  
Outputs: Connect loudspeakers to the terminals on the back  
panel marked as LEFT and RIGHT SPEAKER outputs  
CLEANING  
Before cleaning the unit, switch off power at the mains switch  
and remove the mains plug from the wall socket.  
Clean the cabinet and remote control unit using a moist cloth.  
Using solvents, white spirit or thinners is not advised, as they  
could damage the surface finish.  
The TAPE output allows loop through of analogue signals  
for example, to pass on to recorder or monitor. It is also the  
ideal output to connect our headphone amps into.  
The PRE-OUT output allows analogue signals controlled by  
the volume, to pass on to a second amplifier. This is useful  
for bi-amping.  
INSTALLATION  
Position the AMS35i on a stable, horizontal surface where  
there is no risk of it being knocked, or subjected to vibration  
such as from loudspeakers.  
Important note:  
As a “CLASS A” amplifier, the unit dissipates a quantity of  
power at all times, and it is important that it is adequately  
ventilated. The top and bottom are perforated to allow the  
smooth flow of heat through the unit. It is therefore not  
recommended that the unit is enclosed in a cabinet or placed  
where the ventilation holes are impeded as this could result in  
the unit cutting out due to excessive heat build-up.  
The AMS35i must be protected from humidity - if the unit is  
moved from a cold place to a warm room, leave the unit for an  
hour or so to allow sufficient time for the moisture to  
evaporate.  
Issue 2  
Page 6 of 12  
 
FACILITIES & CONNECTIONS  
AMS35i  
FRONT PANEL  
1
2
3
4
5
1. ON/OFF Button  
4. VOLUME control  
2. IR RECIEVER lens  
3. TAPE MONITOR button  
5. ANALOGUE INPUT source selector buttons  
REAR PANEL  
6
7
8
9
10  
11  
6. LOUDSPEAKER OUTPUT Right  
7. BALANCED XLR right and left inputs  
9. PRE, TAPE OUTPUT RCA sockets  
10. IEC MAINS INPUT  
8. CD, TUNER, AUX/HT, TAPE INPUT RCA  
11. LOUDSPEAKER OUTPUT Left  
Sockets  
Issue 2  
Page 7 of 12  
 
REMOTE CONTROL  
AMS35i  
Remote control Handset (supplied with the battery already installed).  
The AMS35i remote control shown below enables functions from this unit to be operated from a convenient distance.  
Equivalent buttons on the remote control have the same functions as those on the front panel of the unit. Other  
functions are only available by remote control.  
As the handset uses an invisible infra-red light beam, the front edge must be pointed directly towards the receiver  
window at the front of the player, without visual obstruction between them.  
For reliable remote control operation, the AMS35i should also be positioned so that direct sunlight, fluorescent or  
other bright lights do not fall directly on the IR receiver lens (see P.7). Such light can interfere with remote control  
operation and/ or maximum operating range.  
If the range of the remote control greatly decreases, replace the battery, VARTA Lithium Li-Mn button type CR2450.  
Please dispose of used batteries in accordance to local regulations.  
Changing the Battery  
If the remote fails to operate the AMS35i  
functions correctly, or  
a
substantial  
reduction in range is observed, the  
battery may be exhausted.  
1. Remove the six screws in the base of  
the remote control.  
MUTE – Mutes outputs  
until pressed again  
VOLUME – increases  
volume  
VOLUME – decreases  
volume  
2. Remove the base to gain access to the  
battery holder in the bottom of the  
remote.  
3. Gently Lift the spent battery from the  
holder.  
4. Discard the spent battery according to  
local disposal regulations.  
5. Replace with a new VARTA CR2450  
Li-Mn battery. We do not recommend  
any other battery type.  
TAPE MONITOR –  
Selects tape input for  
monitoring  
If there are any problems with changing  
the battery please contact the dealer for  
assistance.  
BALANCED INPUT-  
Selects BALANCED input  
CD – Selects CD input  
RC5 codes used by this component  
TUNER – Selects TUNER  
input  
AUX – Selects AUX input  
HEX  
10  
DECIMAL  
16  
SYSTEM  
CODE FOR  
AMPLIFIER  
MUTE  
VOLUME  
VOLUME ▼  
BAL. INPUT  
CD  
TUNER  
AUX  
TAPE  
TAPE MON.  
TAPE – Select TAPE input  
0D  
10  
11  
01  
02  
03  
04  
05  
14  
13  
16  
17  
1
2
3
4
5
20  
Important notice- The remote control supplied is expensively machined from solid aluminium.  
Please take great care of this remote control as it would be costly to replace.  
Issue 2  
Page 8 of 12  
 
AMPLIFIER OPERATION  
AMS35i  
STARTING  
TAPE  
Once all connections are made, switch on the unit, using  
the POWER button front of the unit. The MUTE LED  
will light. Speaker outputs are muted for about 15  
seconds, so no sound will be heard from the speakers.  
Once the 15 seconds is up the MUTE LED goes out,  
indicating unit is settled, and ready for use.  
To use the TAPE input, connect external source to the  
TAPE input (see p.7). Select TAPE input by pressing  
the source up/down buttons until TAPE LED is lit.  
Selecting the TAPE input can also be achieved by  
pressing the corresponding button on the remote handset  
(see p. 8).  
VOLUME  
RECORDING AND TAPE MONITOR  
The volume should be adjusted for normal listening  
levels. This is done by turning the volume up/down  
knob on the front panel. Adjusting the volume can also  
be achieved using the remote handset, using the volume  
up/down buttons (see p. 9).  
To record to tape, (or alternatively CD recorder, DAT,  
minidisk or computer soundcard analogue input) connect  
the tape out to the tape recorder line in. Press the input  
selector button on the front panel or remote control. This  
source will now be routed to the AMS35i TAPE OUT  
for recording by tape deck.  
MUTE (remote only)  
The recording can be directly monitored through the  
loudspeakers by pressing the TAPE MONITOR button.  
Press again to return back to the input being recorded.  
On some 3 head tape decks there is an additional  
tape/source switch which should be in the tape position  
for this to work. If in doubt, please consult tape deck  
operating manual.  
The sound from the speakers may be muted by use of  
the MUTE button on the remote. Press once, and  
MUTE LED will light indicating muted state. No sound  
will be heard from the speakers.  
To return to listening; simply press the MUTE button  
again so MUTE LED is no longer lit.  
Note - adjustment of the volume control has no effect on  
the recording level.  
BALACED INPUT  
To use the balanced input, connect balanced source  
outputs to the balanced input XLR sockets (see p.7).  
Select BALANCED input by pressing the  
BALANCED INPUT button so BALANCED INPUT  
LED is lit.  
Selecting the BALANCED input can also be achieved  
by pressing the corresponding button on the remote  
handset, (see p. 8).  
CD  
To use the CD input, connect CD player outputs to the  
CD input RCA sockets (see p.7). Select CD input by  
pressing the CD button so CD LED is lit.  
Selecting the CD input can also be achieved by  
pressing the corresponding button on the remote  
handset, (see p. 8).  
TUNER  
To use the tuner input, connect tuner outputs to the tuner  
input RCA sockets (see p.7). Select TUNER input by  
pressing the TUNER button so TUNER LED is lit.  
Selecting the TUNER input can also be achieved by  
pressing the corresponding button on the remote  
handset, (see p. 8).  
AUX  
To use the tuner input, connect tuner outputs to the  
tuner input RCA sockets (see p.7). Select AUX input by  
pressing the AUX button so AUX LED is lit.  
Selecting the AUX input can also be achieved by  
pressing the corresponding button on the remote  
handset, (see p. 8).  
Issue 2  
Page 9 of 12  
 
AMPLIFIER PROBLEMS?  
AMS35i  
Basic problem-solving with an amplifier is similar to troubleshooting other electrical or electronic equipment. Always check the most obvious  
possible causes first, such as the following examples:  
Problem  
Probable Cause  
Remedy  
No power when POWER button is pressed  
Mains power plug is not fully inserted into  
rear socket  
Plug in securely.  
No sound  
Sound cut  
Mute function is still active  
Press the MUTE button on the remote control  
to cancel.  
Check audio input lead connections  
Wrong connections between input sources and  
the unit  
Speakers not connected, or incorrectly wired  
Check speaker cables  
Loose connection  
Check speaker and input connections  
Output overload or short circuit  
Switch unit off. Check speaker connections  
for shorting strands or wires. When all has  
been double-checked reduce volume and  
switch unit back on.  
N.B. Take great care when bi-wiring or bi-  
amping that speaker bass and treble linking  
straps are removed; see speaker manual for  
more information  
Sound is not precise, lacking in bass and  
stereo image  
Speakers are connected out of phase, i.e.,  
connections to one speaker (+ and -) are  
reversed  
Ensure speakers are connected with same  
polarity at amplifier and speaker ends.  
Hum  
Audio connector plug not fully pushed in  
Cable Fault  
Insert plug securely  
Check cable is connected at both ends.  
Unsuitable Cable  
N.B. Some esoteric cables have internal  
wiring intentionally disconnected/modified.  
For best results on all inputs analogue AND  
digital, please use good quality screened coax;  
signal and screens both separately connected  
at both ends.  
(e.g. cable grounds not connected)  
No audio output, or too low level output  
Remote control does not work  
Incorrect or missing connections  
Check connections and make sure they are  
secure.  
Amplifier’s POWER switch is set to off  
Set switch to on  
Unit overheated  
Check for excessive heat build-up.  
Insert batteries correctly  
One or more batteries fitted the wrong way  
round  
Change batteries for a new set  
Ensure there is no obstruction between the  
Batteries are flat  
Remote control is not pointed directly towards remote control and amplifier front.  
the front panel of the amplifier  
Lighting such as fluorescent, incandescent, or  
Interference from another source  
even sunlight contains large amounts of infra  
red radiation. Ensure such sources are not  
shining directly on the infra red window as  
this could swamp the signal from the remote  
control.  
Also check the system and any other nearby  
remotes for stuck buttons  
Remote control range has greatly reduced  
Batteries are running out  
Change batteries for a new set.  
If none of these actions affect a cure, please contact the dealer, or an authorised Musical Fidelity service agent. Remember; never open the case  
of the AMS35i, as this will invalidate the guarantee.  
Issue 2  
Page 10 of 12  
 
AMPLIFIER SPECIFICATIONS  
AMS35i  
Output:  
Power  
35 Watts per channel into 8 Ohms (15.5dBW),  
Voltage  
Voltage  
Current peak-to-peak  
Damping factor  
Output devices  
17 Volts RMS 20Hz to 20 kHz  
47 Volts Peak-to-peak  
20 Amps  
130  
2 pairs per channel  
Balanced Line input:  
THD+N  
< 0.014% unwtd, 20Hz to 20 kHz  
> 96dB ‘A’-weighted  
40k Ohms  
Signal / noise ratio  
Input impedance  
Frequency response  
10Hz to 50 kHz, +0, -1dB  
Connections:  
Line level inputs  
Line level outputs  
Speaker outputs  
1 pairs line level XLR (balanced) connectors  
4 pairs line level RCA connectors  
1 pair line level RCA connectors, constant level TAPE outputs  
1 pair line level RCA connectors, preamp outputs for e.g. biamping  
2 pairs 4mm banana plug/binding posts  
Power requirement:  
Mains voltages:  
115/230VAC 50/60Hz (factory pre-set)  
100VAC 50/60Hz (alternative)  
330 Watts continuous  
Consumption:  
Weight:  
28.3kg  
33kg  
62lbs  
72lbs  
unit only, unboxed  
in shipping carton  
Dimensions: 483mm,  
148mm,  
19”  
5”  
18¾”  
wide  
high including feet  
deep (front to back) including terminals  
475mm,  
Standard accessories:  
IEC type mains lead (10-Amp type),  
AMS35i remote control  
Varta CR2450 Li-Mn battery  
Musical Fidelity reserves the right to make  
improvements which may result in specification or  
feature changes without notice.  
Issue 2  
Page 11 of 12  
 
MANUAL REVISION  
AMS35i  
RELEASE  
DATE  
CHANGES  
Issue 1  
Issue 2  
03/07/09  
10/07/09  
1st issue.  
Remote control page  
updated  
Issue 2  
Page 12 of 12  
 

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