Esoteric Car Amplifier A 100 User Manual

D00968120A  
-
A 100  
Stereo Tube Power Amplifier  
OWNER’S MANUAL . . . . . . . . . . . . . . . 2  
MANUEL DU PROPRIÉTAIRE . . . 15  
 
For U.S.A.  
Contents  
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  
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. 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:  
• Reorient or relocate the equipment and/or 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.  
Thank you for choosing Esoteric. Read this manual  
carefully to get the best performance from this unit.  
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Before use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Speaker connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Connection example (Connecting speakers) . . . . . . . . . . . . . . . 6  
Other connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Connection (Direct). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Front panel features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
Remote control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Protection circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
CAUTION  
Changes or modifications to this equipments not expressly  
approved by TEAC CORPORATION for compliance will void the  
user’s warranty.  
CAUTION Regarding Placement  
To maintain proper ventilation, be sure to leave a space  
around the unit (from the largest outer dimensions including  
projections) equal to, or greater than, shown below.  
Left and Right Panels: 20 cm (8”)  
Rear Panel: 10 cm (4”)  
Top Panel: 5 cm (2”)  
For European customers  
Disposal of your old appliance  
1. When this crossed-out wheeled bin symbol is  
attached to a product it means the product is  
covered by the European Directive  
2002/96/EC.  
2. All electrical and electronic products should be disposed of  
separately from the municipal waste stream via designated  
collection facilities appointed by the government or the  
local authorities.  
3. The correct disposal of your old appliance will help prevent  
potential negative consequences for the environment and  
human health.  
4. For more detailed information about disposal of your old  
appliance, please contact your city office, waste disposal  
service or the shop where you purchased the product.  
3
 
Before use  
What’s in the box  
Placement of the unit  
Please confirm that the following accessories are in the box  
when you open it.  
High-quality hardened tool stainless-steel is used for the pin-  
point feet attached to the bottom of the component.  
Although the outer feet may appear loose, the weight of the  
unit causes them to become firm and secure. The design  
effectively damps and reduces vibration.  
Power cord x 1  
Remote control unit (RC-1156) x 1  
Batteries (AA, R6, SUM-3) x 2  
Felt pads x 3  
Owner’s manual x 1  
Warranty card x 1  
< To protect the supporting furniture surface, you may stick the  
felt pads supplied with the unit to the bottom of the metal  
feet.  
Stainless-steel  
Pin-point foot  
Read this before operation  
< Place the unit in a stable location near the stereo system that  
you will use.  
< Be careful to avoid injury when moving the unit due to its  
weight. Get someone to help you if necessary.  
Cover foot  
Cover foot retaining screws  
< To protect easily scratched furniture, you may stick the felt  
pads supplied with the unit to the feet.  
< As the unit may become warm during operation, always leave  
sufficient space around the unit for ventilation.  
The ventilation holes should not be covered. Make sure there  
is at least 20 cm (8”) of space above and at least 5 cm (2”) of  
space on each side of the unit. Do NOT place anything such  
as CD, CD-R, cassette tape etc. on top of the unit.  
< The voltage supplied to the unit should match the voltage as  
printed on the rear panel. If you are in any doubt regarding  
this matter, consult an electrician.  
< Choose the installation location of your unit carefully. Avoid  
placing it in direct sunlight or close to a source of heat. Also  
avoid locations subject to vibrations and excessive dust, heat,  
cold or moisture.  
< Do not open the cabinet as this might result in damage to the  
circuitry or electrical shock. If a foreign object should get into  
the unit, contact your dealer or service company.  
< When removing the power plug from the wall outlet, always  
pull directly on the plug, never yank the cord.  
< Do not attempt to clean the unit with chemical solvents as  
this might damage the finish. Use a clean, dry cloth.  
< Keep this manual in a safe place for future reference.  
< Specially selected tubes are used for this unit. Special  
measurement is necessary to adjust the tubes at the time of  
replacement. DO NOT replace the tubes by yourself.  
Maintenance  
If the surface of the unit gets dirty, wipe with a soft cloth or  
use diluted neutral cleaning liquid. Be sure to remove any  
fluid completely. Do not use thinner, benzine (naphtha) or  
alcohol as they may damage the surface of the unit.  
4
 
Speaker connection  
About the speaker cable  
About the speaker terminal  
< Use commercially available speaker cables.  
When your speaker cable is bare wire:  
Twist the strands of the stripped wires tightly together.  
< Use the same length of speaker cables for the left and right  
speakers. Minimizing excess speaker cable length may allow  
an improvement in sound quality.  
< The thickness of wires should be less than 4 mm (1/8”).  
Connection method  
Connect the unit’s + terminal to the speaker’s + terminal,  
and the unit’s – terminal to the speaker’s – terminal.  
When your speaker cable has spades:  
< This unit is equipped with WBT's speaker terminals. Turn the  
terminal cap counterclockwise to loosen and clockwise to  
tighten.  
Loosen the terminal cap and insert the spade into the  
terminal. Then turn the terminal cap clockwise to tighten it.  
< The inside diameter of spades should be 8 mm or more.  
< The metal portions of the two separate wires (Positive and  
negative), should not touch or an electrical short can occur.  
Shorted wires can create a fire hazard or induce a failure in  
your equipment.  
< Generally, the + side of the speaker cable is marked to make  
it distinguishable from the – side of the cable. Connect this  
marked side to the + terminal and the unmarked side to the  
black – terminal.  
CAUTION:  
Connection using speaker cables with  
banana plugs  
< Switch off the power to all equipment before making  
connection.  
Tighten the terminal cap and insert a banana plug.  
< Read the instructions of each component you intend to use  
with this unit.  
For European customers  
In accordance with European safety regulations, it is not  
possible to connect banana plugs into the speaker terminals  
on European models.  
The holes into which banana plugs are inserted have been  
covered with black caps. Connect the speakers using spades  
or bare wires.  
If the black caps become separated from the terminals, return  
them to their original position.  
5
 
Connection example (Connecting speakers)  
$
When 4 speakers are connected  
Right speaker  
Left speaker  
$
$
$
When 6 , 8 or 16 speakers are connected  
Right speaker  
Left speaker  
Q
Note:  
< Connect to a terminal which corresponds to the impedance of the speaker.  
To connect 4 speakers to the unit, connect the unit’s 4 terminals to the speaker’s + terminals.  
To connect the speakers of 6 , 8 , 16 or higher, connect the unit’s 8 terminals to the speaker’s + terminals.  
Connect the unit’s COM terminal to the speaker’s – terminal.  
6
 
$
When biwiring 4 speakers  
Right speaker  
Left speaker  
$
$
$
When biwiring 6 , 8 or 16 speakers  
Right speaker  
Left speaker  
Q
Note:  
< To biwire this unit and speaker, use either one of the 8  
terminal or 4terminal.  
Do not connect the 4 terminal to a tweeter, 8 terminal to a woofer, etc.  
7
 
Other connections  
AUDIO OUT  
AUDIO OUT  
R
L
L
R
AUDIO OUT  
LINE OUT  
L
R
R
L
A
B
C
D
F
E
8
 
A
D
Analog audio input terminals [LINE IN]  
Fuse holder  
Used for the input of analog 2-channel audio signals.  
The fuse used in this unit is 250V5A slow blow. Do not use  
other fuses.  
Connect these terminals to a Super Audio CD player  
(Example: SA-10, X-01SE, etc), DVD player, cassette tape  
deck, tuner, etc. using commercially available XLR or RCA  
audio cables. Connect the unit’s R terminal to the player’s R  
terminal, and the unit’s L terminal to the player’s L terminal.  
< Unplug the power cord when you replace the fuse.  
< If the fuse blows out even if you replace it, consult your  
dealer.  
To use line input, set the LINE IN/DIRECT IN switch to “LINE  
IN”. Select an input with the INPUT button on the front  
panel and adjust the volume with the VOLUME control  
knob. The remote control can also be used in this “LINE IN”  
(Integrated amplifier), setting.  
E
AC inlet  
Use only the supplied Esoteric power cord. Use of other  
power cords may result in fire or electric shock. Unplug the  
power cord when you are not going to use the unit for an  
extended period of time.  
< Push in the XLR balanced plug until the lever is locked. To  
remove the balance plug, hold the lever and pull out the  
plug.  
< XLR connector pin assignment:  
F
SIGNAL GND connection  
Use a commercially available PVC-covered cord to connect  
the signal ground terminal on the unit to the player’s signal  
ground.  
< Note that this is NOT an electrical safety ground (earth).  
B
BIAS switch  
It is possible to select the bias current for the KT-88 output  
tube with this switch.  
A bias current is a current that continues to flow to a tube  
when there is no input signal. Depending on preset values, a  
bias current can cause distortions in sound quality. The  
standard setting is B. The bias current will decrease when set  
to A, and depending on the compatibility between the tube  
and the system it is connected to, sound quality may  
become slightly more delicate. There is a tendency to use  
this setting when playing classical music.  
Depending on the accompanying machine, changes can be  
difficult to detect on the A setting. Please set to B if you  
cannot detect audible changes on the A setting.  
C
Volume control motor cover  
This covers the motor that drives the volume control. This is  
not an operational control. Do not remove this cover.  
9
 
Connection (Direct)  
AUDIO OUT  
L
R
G
H
When using an external preamplifier, use the DIRECT terminal,  
G
H
DIRECT terminal  
Connect to an external preamplifier’s output port using an  
RCA audio cable.  
and set the LINE IN/DIRECT IN switch to “DIRECT IN”.  
(This setting allows you to use this device as a direct power  
amplifier bypassing it‘s pre-amplifier stage.)  
< Your remote control cannot be used in this setting.  
LINE IN/DIRECT IN switch  
This switch changes between LINE IN and DIRECT IN.  
< The “LINE IN” setting allows this amplifier to operate as an  
integrated amplifier.  
10  
 
Front panel features  
A
B
E
D
C
When the LINE IN/DIRECT IN switch on the rear panel is set to “DIRECT IN”, the front panel buttons will not work except for the  
POWER switch. This is normal for DIRECT mode operation.  
D
Note: The following 3 controls will only work in the “LINE IN”  
(Integrated amplifier) mode.  
POWER  
Use this switch to turn the unit on and off.  
A
INPUT  
The indicator lights in red once when you turn on the unit.  
Then the indicator lights in blue after 1 minute and audio is  
output. The indicator lights in red also when the protection  
circuit is operating (page 14).  
Select the terminal to which the equipment to play is  
connected.  
< Once the unit is turned off, wait for at least 5 minutes to turn  
it on again in order to protect the tubes.  
B
C
MUTING  
Use this button to mute the sound.  
E
Remote control sensor  
VOLUME  
Receives signals from the remote control unit. Point the  
remote control unit at this sensor when operating the remote  
control unit (This works in the rear panel “LINE IN” setting  
only).  
Turn this knob to adjust the volume.  
11  
 
Remote control unit  
Notes on use  
< Point the remote control unit at the amplifier’s remote sensor  
within seven meters (23 feet) of the amplifier. There should  
not be any obstacles between the amplifier and the remote  
control unit.  
< Do not allow direct sun or other light to shine on the remote  
sensor part of the amplifier. This may cause the remote  
control unit to work incorrectly.  
< Note that other units with remote controls may operate  
incorrectly because of infrared light “overspill” when you  
operate this remote control unit.  
< To use the remote control unit, set the LINE IN/DIRECT IN  
switch on the rear panel to “LINE IN”.  
A
Remote control sensor  
B
C
The remote control unit RC-1156 is used in common with  
Esoteric digital amplifiers and certain CD/DVD players (other than  
P-01/D-01).  
When configured as an integrated amplifier, you can use the  
following buttons for A-100:  
VOLUME, INPUT, MUTING  
< The remote control unit is available only when the LINE  
IN/DIRECT IN switch on the rear panel is set to “LINE IN”.  
A
B
C
VOLUME  
Use these buttons to adjust the volume.  
INPUT  
Use these buttons to select an input.  
MUTING  
Use this button to mute the sound. Note that A, B and C  
above only operate in the “LINE IN” (Integrated amp), mode.  
12  
 
Protection circuits  
In order to protect the output level to the tubes, this unit is  
equipped with a protection circuit to detect overcurrents.  
How to insert the batteries  
Remove the cover of the remote control unit with a  
screwdriver. After checking the polarity (+/_) of two AA  
batteries, insert the batteries, replace the cover and replace  
the screws.  
When an overcurrent is detected, the protection circuit will shut  
off the output tube’s current and continue to do so until the  
power is switched off.  
< Take care not to pinch cables with the battery case.  
Presumably, the main cause of a protection circuit activating is  
when the speaker cord connected to the output port short  
circuits. The protection circuit may also activate when it is  
connected to a speaker with lower impedance than allowed,  
resulting in a large input that creates an overcurrent.  
When the protection circuit has activated, look at the output  
port and the speaker it is connected to and remove the cause of  
the overcurrent. Following this action, wait 5 minutes and then  
turn the power back on. Should the protection circuit continue  
to activate even after removing the cause of the overcurrent,  
please contact your dealer or contact TEAC for service  
instructions.  
When a large signal is input while a protection circuit is  
functioning, a very slight electrical noise from the current may be  
heard. This is not cause for alarm. This is the circuit maintaining  
its protection of the output tubes.  
Battery Replacement  
If the distance required between the remote control unit and  
main unit decreases, the batteries are exhausted. In this case  
replace the batteries with new ones.  
Precautions concerning batteries  
< Be sure to insert the batteries with correct positive “+” and  
negative “_” polarities.  
< Use batteries of the same type. Never use different types of  
batteries together.  
< Rechargeable or non-rechargeable batteries can be used but  
not mixed together. Refer to the precautions on their labels.  
< When the remote control unit is not to be used for a long  
time (more than a month), remove the batteries from the  
remote control unit to prevent them from leaking. If they  
leak, wipe away the liquid inside the battery compartment  
and replace the batteries with new ones.  
< Do not heat or disassemble batteries and never dispose of old  
batteries by throwing them in a fire.  
13  
 
Troubleshooting  
Specifications  
If you experience any problem with this unit, please take the  
time to look through this chart and see if you can solve the  
problem yourself before you call your dealer.  
General  
Power supply  
Europe model. . . . . . . . . . . . . . . . . . . . . AC 230 V, 50 Hz  
U.S.A./Canada model . . . . . . . . . . . . . . . AC 120 V, 60 Hz  
Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . 200 W  
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 kg (88 4/5 lb)  
External dimensions (W x H x D)  
382 x 252 x 486 mm (15 1/16” x 9 7/8” x 19 1/16”)  
Operating temperature . . . . . . . . . . . . . . . . . . +10˚C - +30˚C  
Operating humidity . . . . . . . . 5% to 85% (no condensation)  
Storage temperature . . . . . . . . . . . . . . . . . . . . –20˚C - +55˚C  
General  
No power  
e Check the connection to the AC power supply. Check and  
make sure the AC source is not a switched outlet and that,  
if it is, the switch is turned on.  
e Insert the power cord into the AC inlet of this unit.  
Remote control doesn’t work.  
e Press the POWER switch of the main unit to turn it on (page  
13).  
e If the batteries are dead, change the batteries (page 12).  
e Use remote control unit within the range (7m/23ft) and  
point at the front panel (page 12).  
e Set the LINE IN/DIRECT IN switch on the rear panel to “LINE  
IN” (page 10). The remote control for this amplifier will only  
work in the “LINE IN” (Integrated amp), mode.  
Amplifier Section  
Maximum useful output power . . . . . . . . . . . . 45 W + 45 W  
(1 kHz, 8 ohms/4 ohms, JEITA)  
Total Harmonic Distortion . . . 0.1 % (at 1 W, 1 kHz, 8 ohms)  
Frequency Response . . . . . . . . . . . . . . . . . . . . 20 Hz to 60 kHz  
(at 1 W, 8 ohms, +1/–3 dB)  
Signal-to-Noise Ratio . . . . . . . . . . . . more than 98 dB (JEITA)  
Input Sensitivity (maximum output at maximum volume)  
400 mVrms/45W (8  
, DIRECT IN: 1 M  
)  
Input impedance. . . . . . . . . LINE IN: 10 k  
There is no sound or only a very low-level sound is heard.  
e Press the POWER switch to turn on the unit, your external  
pre-amplifier (If any), and disc player, etc.  
Tube Section  
e Make sure a signal is output from a pre-amplifier or a player,  
etc.  
First stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12AT7 x 2  
Drive stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12AU7 x 4  
Bottom stage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . KT88 x 4  
e Check if the pre-amplifier, speakers and source components  
are secure connected.  
e Select input setting of the pre-amplifier correctly.  
e Adjust the pre-amplifier volume.  
e The protection circuit is in operation when the color of the  
indicator ring of the POWER switch changes from blue to  
red. Turn off the unit immediately if this indicator is red and  
solve the cause of problem.  
e The speaker cord may be shorted out. Check your speaker  
connections.  
Accessories  
Power cord x 1  
Remote control unit (RC-1156) x 1  
Batteries (AA, R6, SUM-3) x 2  
Felt pads x 3  
Owner’s manual x 1  
Warranty card x 1  
Unstable sound.  
e Speaker polarity (+/_) is reversed. Check all speakers for  
correct polarity.  
• Design and specifications are subject to change without  
notice.  
If normal operation cannot be obtained, unplug the power  
cord from the outlet, wait about 60 seconds and plug it  
again. This resets the internal micro-computer which can  
be disturbed during electrical storms, power interruptions,  
etc.  
• Weight and dimensions are approximate.  
• Illustrations may differ slightly from production models.  
14  
 
382mm  
486mm  
252mm  
15  
 
1-47 Ochiai, Tama-shi, Tokyo 206-8530, Japan Fax: (042) 356-9240 e-mail: [email protected]  
TEAC ESOTERIC COMPANY  
TEAC AMERICA, INC.  
7733 Telegraph Road, Montebello, California 90640 Phone: (323) 726-0303 e-mail: [email protected]  
5939 Wallace Street, Mississauga, Ontario L4Z 1Z8, Canada Phone: (905) 890-8008  
TEAC CANADA LTD.  
TEAC MEXICO, S.A. De C.V  
TEAC UK LIMITED  
Campesinos N°184, Colonia Granjas Esmeralda, Delegacion Iztapalapa, CP 09810, México DF Phone: (525) 581-5500  
Unit 19 & 20, The Courtyards, Hatters Lane, Watford, Hertfordshire, WD18 8TE, U.K. Phone: (0845) 130-2511  
Bahnstrasse 12, 65205 Wiesbaden-Erbenheim, Germany Phone: 0611-71580  
TEAC EUROPE GmbH  
This appliance has a serial number located on the rear panel. Please record  
the model number and serial number and retain them for your records.  
.
Model number  
Serial number  
1207 MA-1313A  
 

EarthQuake Chainsaw CS3814 User Manual
EverFocus Security Camera EZ750 User Manual
Extron electronic Intercom System IPI 100 User Manual
Fellowes Paper Shredder 69Cb User Manual
Firstech LLC Automobile Alarm SHF 2W AS User Manual
Friedrich Humidifier D50D User Manual
GE Air Conditioner ASV14AK User Manual
GE Clothes Dryer DBB5000 User Manual
Gemini Stereo Amplifier PA 702 User Manual
Generac Pressure Washer 1537 0 User Manual