Topaz Systems Musical Instrument Amplifier AM10 User Manual

Integrated Amplifier  
User’s manual  
2
AM10  
Your music + our passion  
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AM10  
Important safety instructions  
For your own safety please read the following important safety instructions  
carefully before attempting to connect this unit to the mains power supply.  
They will also enable you to get the best performance from and prolong  
the life of the unit:  
1. Read these instructions.  
2. Keep these instructions.  
3. Heed all warnings.  
The lightning flash with the arrowhead symbol within an equilateral  
triangle is intended to alert the user to the presence of un-insulated  
‘dangerous voltage’ within the product’s enclosure that may be of  
sufficient magnitude to constitute a risk of electric shock to persons.  
4. Follow all instructions.  
The exclamation point within an equilateral triangle is intended to alert the  
user to the presence of important operating and maintenance instructions  
in the service literature relevant to this appliance.  
5. Do not use this apparatus near water.  
6. Clean only with a dry cloth.  
WEEE symbol  
7. Do not block any ventilation openings. Install in accordance with the  
manufacturer's instructions.  
The crossed-out wheeled bin is the European Union symbol for  
indicating separate collection for electrical and electronic  
equipment. This product contains electrical and electronic  
equipment which should be reused, recycled or recovered and  
should not be disposed of with unsorted regular waste. Please return the  
unit or contact the authorised dealer from whom you purchased this  
product for more information.  
8. Do not install near any heat sources such as radiators, heat registers,  
stoves, or other apparatus (including amplifiers) that produce heat.  
9. Do not defeat the safety purpose of the polarized or grounding-type  
plug. A polarized plug has two blades with one wider than the other. A  
grounding-type plug has two blades and a third grounding prong. The  
wide blade or the third prong are provided for your safety. If the  
provided plug does not fit into your outlet, consult an electrician for  
replacement of the obsolete outlet.  
CE mark  
This product complies with European Low Voltage  
(2006/95/EC), Electromagnetic Compatibility (2004/108/EC) and  
10. Protect the power cord from being walked on or pinched, particularly  
at plugs, convenience receptacles and the point where they exit from  
the apparatus.  
Environmentally-friendly  
design  
of  
Energy-related  
Products  
(2009/125/EC) Directives when used and installed according to this  
instruction manual. For continued compliance only Cambridge Audio  
accessories should be used with this product and servicing must be  
referred to qualified service personnel.  
11. Only use attachments/accessories specified by the manufacturer.  
12. Use with only the cart, stand, tripod, bracket, or table  
specified by the manufacturer, or sold with the apparatus.  
When a cart is used, use caution when moving the cart/  
apparatus combination to avoid injury from tip-over.  
C-Tick mark  
This product meets the Australian Communications Authority’s  
Radio communications and EMC requirements.  
13. Unplug this apparatus during lightning storms or when unused for  
long periods of time.  
Ross Test Stamp  
14. Refer all servicing to qualified service personnel. Servicing is required  
when the apparatus has been damaged in any way, such as the  
power-supply cord or plug having been damaged, liquid has been  
spilled or objects have fallen into the apparatus, the apparatus has  
been exposed to rain or moisture, does not operate normally, or has  
been dropped.  
This product meets Russian electronic safety approvals.  
FCC regulations  
NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR  
TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS  
EQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER AUTHORITY  
TO OPERATE THE EQUIPMENT.  
WARNING  
– To reduce the risk of fire or electric shock, do not expose this unit to  
rain or moisture.  
This equipment has been tested and found to comply with the  
limits for a Class B digital device, pursuant to Part 15 of the  
FCC Rules. These limits are designed to provide reasonable  
– Batteries (battery pack or batteries installed) shall not be exposed to  
excessive heat such as sunshine, fire or the like.  
protection against harmful interference in a residential installation. This  
equipment generates, uses and can radiate radio frequency energy and,  
if not installed and used in accordance with the instructions, may cause  
harmful interference to radio communications. However, there is no  
guarantee that interference will not occur in a particular installation.  
The unit is of Class 1 construction and must be connected to a mains  
socket outlet with a protective earthing connection.  
The unit must be installed in a manner that makes disconnection of the  
mains plug from the mains socket outlet (or appliance connector from the  
rear of the unit) possible. Where the mains plug is used as the disconnect  
device, the disconnect device shall remain readily operable. Only use the  
mains cord supplied with this unit.  
If this equipment does cause harmful interference to radio or television  
reception, which can be determined by turning the equipment off and on,  
the user is encouraged to try to correct the interference by one or more of  
the following measures:  
Please ensure there is ample ventilation. We recommend that you do not  
place the unit in an enclosed space; if you wish to place the unit on a  
shelf, use the top shelf to allow maximum ventilation. Do not put any  
objects on top of this unit. Do not situate it on a rug or other soft surface  
and do not obstruct any air inlets or outlet grilles. Do not cover the  
ventilation grilles with items such as newspapers, tablecloths, curtains,  
etc.  
– Re-orient or relocate the receiving antenna.  
– Increase the separation between the equipment and receiver.  
– Connect the equipment into an outlet on a circuit different from that to  
which the receiver is connected.  
– Consult the dealer or an experienced radio/TV technician for help.  
This unit must not be used near water or exposed to dripping or splashing  
water or other liquids. No objects filled with liquid, such as vases, shall be  
placed on the unit.  
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Limited warranty  
Cambridge Audio warrants this product to be free from defects in  
materials and workmanship (subject to the terms set forth below).  
Cambridge Audio will repair or replace (at Cambridge Audio's option) this  
product or any defective parts in this product. Warranty periods may vary  
from country to country. If in doubt consult your dealer and ensure that  
you retain proof of purchase.  
Ventilation  
IMPORTANT - The unit will become hot when in use. Do not stack multiple  
units on top of each other. Do not place in an enclosed area such as a  
bookcase or in a cabinet without sufficient ventilation.  
Ensure that small objects do not fall through any ventilation grille. If this  
happens, switch off immediately, disconnect from the mains supply and  
contact your dealer for advice.  
To obtain warranty service, please contact the Cambridge Audio  
authorised dealer from which you purchased this product. If your dealer is  
not equipped to perform the repair of your Cambridge Audio product, it  
can be returned by your dealer to Cambridge Audio or an authorised  
Cambridge Audio service agent. You will need to ship this product in either  
its original packaging or packaging affording an equal degree of  
protection.  
Positioning  
Choose the installation location carefully. Avoid placing it in direct sunlight  
or close to a source of heat. No naked flame sources, such as lighted  
candles, should be placed on the unit. Also avoid locations subject to  
vibration and excessive dust, cold or moisture. The unit can be used in a  
moderate climate.  
Proof of purchase in the form of a bill of sale or receipted invoice, which is  
evidence that this product is within the warranty period, must be  
presented to obtain warranty service.  
This unit must be installed on a sturdy, level surface. Do not place in a  
sealed area such as a bookcase or in a cabinet. Do not place the unit on  
an unstable surface or shelf. The unit may fall, causing serious injury to a  
child or adult as well as serious damage to the product. Do not place other  
equipment on top of the unit.  
This Warranty is invalid if (a) the factory-applied serial number has been  
altered or removed from this product or (b) this product was not  
purchased from a Cambridge Audio authorised dealer. You may call  
Cambridge Audio or your local country Cambridge Audio distributor to  
confirm that you have an unaltered serial number and/or you purchased  
from a Cambridge Audio authorised dealer.  
Due to stray magnetic fields turntables or CRT TVs should not be located  
nearby due to possible interference.  
This Warranty does not cover cosmetic damage or damage due to acts of  
God, accident, misuse, abuse, negligence, commercial use, or  
modification of, or to any part of, the product. This Warranty does not  
cover damage due to improper operation, maintenance or installation, or  
attempted repair by anyone other than Cambridge Audio or a Cambridge  
Audio dealer, or authorised service agent which is authorised to do  
Cambridge Audio warranty work. Any unauthorised repairs will void this  
Warranty. This Warranty does not cover products sold AS IS or WITH ALL  
FAULTS.  
Electronic audio components have a running in period of around a week  
(if used several hours per day). This will allow the new components to  
settle down, the sonic properties will improve over this time.  
Power sources  
The unit should be operated only from the type of power source indicated  
on the marking label. If you are not sure of the type of power-supply to your  
home, consult your product dealer or local power company.  
REPAIRS OR REPLACEMENTS AS PROVIDED UNDER THIS WARRANTY ARE  
THE EXCLUSIVE REMEDY OF THE CONSUMER. CAMBRIDGE AUDIO SHALL  
NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES  
FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY IN THIS  
PRODUCT. EXCEPT TO THE EXTENT PROHIBITED BY LAW, THIS WARRANTY  
IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS AND IMPLIED  
WARRANTIES WHATSOEVER INCLUDING, BUT NOT LIMITED TO, THE  
WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PRACTICAL  
PURPOSE.  
To turn the unit off, switch off at the front panel. If you do not intend to  
use this unit for a long period of time, unplug it from the mains socket.  
Overloading  
Do not overload wall outlets or extension cord as this can result in a risk  
of fire or electric shock. Overloaded AC outlets, extension cords, frayed  
power cords, damaged or cracked wire insulation, and broken plugs are  
dangerous. They may result in a shock or fire hazard.  
Some countries and US states do not allow the exclusion or limitation of  
incidental or consequential damages or implied warranties so the above  
exclusions may not apply to you. This Warranty gives you specific legal  
rights, and you may have other statutory rights, which vary from state to  
state or country to country.  
Be sure to insert each power cord securely. To prevent hum and noise, do  
not bundle the interconnect leads with the power cord or speaker leads.  
Cleaning  
To clean the unit, wipe its case with a dry, lint-free cloth. Do not use any  
cleaning fluids containing alcohol, ammonia or abrasives. Do not spray an  
aerosol at or near the unit.  
For any service, in or out of warranty, please contact your dealer.  
Battery disposal  
Please dispose of any discharged batteries according to local  
environmental/electronic waste disposal guidelines.  
Plug Fitting Instructions (UK Only)  
Loudspeakers  
The cord supplied with this appliance is factory fitted with a UK mains plug fitted  
with a 3 amp fuse inside. If it is necessary to change the fuse, it is important that  
a 3 amp one is used. If the plug needs to be changed because it is not suitable for  
your socket, or becomes damaged, it should be cut off and an appropriate plug  
fitted following the wiring instructions below. The plug must then be disposed of  
safely, as insertion into a mains socket is likely to cause an electrical hazard.  
Should it be necessary to fit a 3-pin BS mains plug to the power cord the wires  
should be fitted as shown in this diagram. The colours of the wires in the mains  
lead of this appliance may not correspond with the coloured markings identifying  
the terminals in your plug. Connect them as follows:  
Before making any connections to loudspeakers, make sure all power is  
turned off and only use suitable interconnects.  
Servicing  
These units are not user serviceable, never attempt to repair, disassemble  
or reconstruct the unit if there seems to be a problem. A serious electric  
shock could result if this precautionary measure is ignored. In the event  
of a problem or failure, please contact your dealer.  
The wire which is coloured BLUE must be  
connected to the terminal which is marked  
with the letter ‘N’ or coloured BLACK.  
The wire which is coloured BROWN must be  
connected to the terminal which is marked  
with the letter ‘Lor coloured RED.  
The wire which is coloured GREEN/YELLOW  
must be connected to the terminal which is  
marked with the letter ‘E’ or coloured GREEN.  
If a 13 amp (BS 1363) plug is used, a 3 amp fuse must be fitted, or if any other  
type of plug is used a 3 amp fuse must be fitted, either in the plug or adaptor, or  
on the distribution board.  
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AM10  
Rear panel connections  
Ground  
D V  
Designed and engineered in London, England  
Power AC  
Topaz AM10 Integrated Amplifier  
x u  
L e f  
M P 3 / A  
C D  
B A  
n u e T r / D  
P h o n o  
B D / D  
c e O R u t  
t
Left  
Right  
Left  
5
1
Mains Voltage Selector Switch 115V/220-230V AC  
~
50/60Hz  
R i g h t  
Right  
Rated Power Consumption: 260W  
MP3 /Aux  
CD  
Tuner/DAB  
Phono  
BD /DVD  
Rec Out  
6
Loudspeaker Terminals  
Impedance 4–8 ohms  
2
3
4
1
Audio inputs  
These inputs are suitable for any ‘line level’ source equipment such as the  
audio outputs of CD players, BD/DVD players, etc.  
2
Phono input  
This input has a built in phono stage. Record players fitted with Phono  
Cartridges of the Moving Magnet (MM) or high output Moving Coil (MC)  
type (between 2-6mV output and 30-50k load impedance) can be used.  
Low output Moving Coil types (<1mV and usually 10-1000 ohm load  
impedance) cannot be directly connected and will require a matching  
transformer or head amp. Please consult your dealer for details.  
Note: The ‘Ground’ terminals on both the record player and the AM10  
should be connected (where possible) with a ground wire for lowest  
noise/hum pickup.  
3 Rec Out  
Connect to the recording input of a tape deck, CD recorder input, etc.  
4
Loudspeaker terminals  
Connect the wires from your left channel loudspeaker to the Left positive  
and negative terminals, and the wires from the right channel loudspeaker  
to the Right positive and negative terminals. In each case, the red terminal  
is the positive output and the black terminal is the negative output.  
Care should be taken to ensure no stray strands of wire are shorting  
speaker outputs together. Please ensure that the loudspeaker terminals  
have been tightened adequately to provide a good electrical connection.  
It is possible for the sound quality to be affected if the screw terminals are  
loose.  
5
Voltage select switch  
For servicing use only.  
6
AC power socket  
Once all connections are complete, plug the AC power cable into an  
appropriate mains socket and turn the unit on.  
5
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Front panel controls  
AM10  
Integrated  
Amplifier  
6
8
On/Off  
Phones  
MP3 In  
7
MP3 / Aux  
CD  
TunAB  
5
Phono  
BD / DVD  
Menu  
1
2
3
4
Volume  
1
Power On/Off  
Switches the unit on or off.  
2
Headphones socket  
Allows for the connection of stereo headphones with a ¼ inch jack plug.  
Headphones with an impedance of between 32 and 600 ohms are  
recommended.  
Note: Plugging in headphones will automatically mute the loudspeaker  
outputs.  
3
Infrared sensor  
Receives IR commands from the supplied remote control. An  
unobstructed line of sight between the remote control and the sensor is  
required.  
4
MP3 input socket  
This source input allows you to connect a portable audio device such as  
an MP3 player directly into the front of the unit using a 3.5mm stereo-jack.  
Once plugged in, this input is automatically selected, although other  
inputs can still be selected once a stereo-jack is plugged in. The MP3/AUX  
button on the front of the unit will select this input whilst a stereo-jack is  
plugged in.  
Note:  
– Plugging a source into the front panel MP3 input overrides the Aux input.  
Simply remove the jack from the front panel to automatically re-enable  
the Aux input.  
– Also note that as the output level of MP3 players tends to be quite low,  
the AM10 adds 10dB to the current volume setting when (and only  
when) the MP3 input is selected.  
5
Input source buttons (MP3/Aux, CD, Tuner/DAB,  
Phono, BD/DVD)  
Press the relevant source button to select the desired input source.  
6
Display  
Used to display information such as the selected input source, volume and  
tone/balance levels.  
Note: When first purchased, the display will have a protective film over the  
top. Peel this off for a clear display.  
7
Menu button  
Pressing this once will select the Bass option. Pressing a second time will  
select the Treble option and pressing a third time will select the Balance  
option. When one of these options is selected, the volume control will  
adjust the level. If nothing is pressed for a while, the source will be  
displayed and the volume control will go back to controlling the volume  
level.  
8
Volume control  
Use to increase or decrease the level of the sound from the outputs of the  
unit. This controls the volume level of the loudspeakers and headphones.  
It does not affect the level of the ‘Rec Out’ output. The volume control will  
also change the level of bass, treble and balance in the menu options.  
6
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AM10  
Remote control  
The Topaz AM10 is supplied with a remote control that operates this unit  
and its built-in tuner. In addition, the buttons with Blue coloured icons can  
operate a matching Topaz CD5 or CD10 player.  
CD5/CD10  
Always use Alkaline batteries.  
CD5/CD10 (Blue coloured icons)  
To operate the Topaz CD5 or CD10 players only. For more information,  
refer to the Topaz CD5 and CD10 user’s manual.  
Mute  
Mutes audio on the unit. Press again to cancel mute.  
Volume  
Increases or decreases the volume of the unit. Also used to change the  
bass, treble and balance settings when these are selected.  
Prog  
Prog  
Clear  
Menu  
Toggles between Bass, Treble and Balance options. Use the volume  
buttons to change the level of the selected option.  
Source buttons (CD, Tuner, BD/DVD, MP3/Aux, Phono)  
Press the relevant button to select the desired music source.  
Menu  
Random  
Repeat  
Remain  
CD  
Tuner  
BD/DVD  
MP3/Aux  
Phono  
7
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Connections  
Loudspeakers  
Check the impedance of your speakers. When using a pair of speakers,  
you can use types with an impedance of between 4 and 8 Ohms.  
The red coloured speaker terminals are positive (+) and the black speaker  
terminals are negative (-). Make sure correct polarity is maintained at  
each speaker connector or the sound can become weak and “phasey”  
with little bass.  
Note: All connections are made using standard loudspeaker cable.  
Basic connection  
The diagram below shows the basic connection of your unit to a  
CD player and a turntable and a pair of loudspeakers.  
Using bare wire connections  
Prepare the speaker cords for connection by stripping off approximately  
10mm (3/8”) or less of the outer insulation. More than 10mm could  
cause a short circuit. Twist the wires tightly together so there are no loose  
ends. Unscrew the speaker terminal, insert the speaker cable, tighten the  
terminal and secure the cable.  
Right  
speaker  
Left  
speaker  
Black  
Red  
Black  
Red  
Black  
Red  
Red  
Black  
Ground  
D V  
AM10  
Power AC  
x u  
M P 3 / A  
C D  
B A D / r e n T u  
P h o n o  
B D / D  
c e O R u t  
t
Left  
Rit  
MP3 / Aux  
CD  
Tuner / DAB  
Phono  
BD / DVD  
Rec Out  
Loudspeaker Terminals  
Impedance 4–8 ohms  
CD player  
Turntable  
L
R
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AM10  
Operating instructions  
Technical specifications  
After making any connections to your unit, activate the Topaz AM10 by  
pressing the On/Off button on the front of the unit.  
Power output  
35 watts (into 8Ω)  
THD (unweighted)  
<0.01% @ 1kHz, 80% of rated power  
<0.15% 20Hz - 20kHz, 80% of rated power  
Setting the source  
Press the Source button on the front of the unit corresponding to your  
desired source. Alternatively, you may use the appropriate button on the  
remote control.  
Frequency response (-3dB)  
S/N ratio (ref 1W)  
5Hz - 50kHz  
>82dB (unweighted)  
47k ohms  
>50  
Input impedances  
Power Amp damping factor  
Max. power consumption  
Bass/Treble controls  
260W  
Shelving, ultimate boost/cut  
+/- 10dB @ 100Hz and 10kHz  
FM/ AM  
CD  
BD / DVD  
MP3 / Aux  
Phono  
Speaker A/ B  
Dimensions  
Weight  
76 x 430 x 340mm  
(3.0 x 16.9 x 13.4”)  
Adjusting the volume  
Use either the Volume Up/Down buttons on the remote control, or the  
Volume control on the front of your unit system to change the volume  
level. The newly selected level will be indicated briefly on the front display.  
5.6kg (12.3lbs)  
The volume is displayed in minus dB where 0dB is the highest level.  
Troubleshooting  
A progressively larger negative number indicates the volume is being  
reduced.  
There is no power  
Ensure the AC power cord is connected securely.  
Ensure the plug is fully inserted into the wall socket and is switched on.  
Check fuse in the mains plug or adaptor.  
Adjusting the audio settings  
Adjustments to the bass, treble and balance can be made as follows:  
Check the power is on at the front of the unit.  
1. To enter the audio menu. Press either the Menu button on the front of  
the unit or on the remote control.  
There is no sound  
Check the correct input is selected.  
Check that the speakers are connected correctly.  
Check the unit is not in mute mode.  
2. Step through the available settings by pressing the Menu button. The  
settings available are in order Bass, Treble and Balance.  
The sound is distorted  
Check speaker connections.  
3. When you wish to make an adjustment for bass, treble or balance,  
simply rotate the Volume control or use the Volume control buttons on  
the remote control.  
There is a hum coming from the speaker  
Ensure that all cable connections are secure, particularly ground/shield  
connections for turntables.  
There is unwanted background noise and interference  
Move the unit away from other electrical equipment that is likely to cause  
interference.  
4. To exit, wait for five seconds, until the unit returns to normal mode.  
Ensure that all cable connections are secure, particularly ground/shield  
connections for turntables.  
The remote handset will not function  
Check that the batteries have not expired.  
Ensure that nothing is blocking the remote sensor.  
In the event that the above solutions do not remedy your problem, please  
consult our frequently asked questions (FAQ) section on our website:  
For all servicing, in or out of warranty, please contact your dealer.  
9
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Cambridge Audio is a brand of Audio Partnership Plc  
Registered Office: Gallery Court, Hankey Place,  
London, SE1 4BB, United Kingdom  
Registered in England No. 2953313  
© 2010 Cambridge Audio Ltd  
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