Music Hall Stereo Amplifier A702 User Manual

music hall  
a70.2  
integrated amplifier  
music hall  
 
6. Climate  
The unit has been designed for use in moderate climates. Do not attempt to use  
below 41 degrees Fahrenheit (5 degrees Celsius) or above 95 degrees Fahrenheit  
(35 degrees Celsius).  
7. Rack and Stands  
Place the unit on a fixed, level surface strong enough to support its weight. Do  
not place it on a moveable cart that could tip over. We recommend only using  
stands approved for use with audio equipment.  
8. Cleaning  
Unplug the unit from the mains supply before cleaning. The case should  
normally require only a wipe with a soft lint-free cloth.  
9. Power Sources  
Only connect the unit to a power supply of the type and voltage described in the  
operating instructions or specified on the rear panel of the unit.  
10. Power cord protection  
Connect the unit to the power outlet only with the cord supplied. Do not modify  
the supplied cable in any way. Do not attempt to defeat grounding and/or  
polarization provisions. Do not use extension cords. Do not route the power  
cord where it will be crushed, pinched, bent at severe angles, exposed to heat,  
or damaged in any way.  
11. Non-use periods  
If the unit is to be left unused for a long period of time, the power cord should  
be unplugged from the wall outlet.  
12. Damage Requiring Service  
Stop using the unit immediately and have it inspected by an authorized music  
hall service center whenever:  
1. The power supply cord or plug has been damaged.  
2. Liquid has been spilled into the unit.  
3. The unit has been exposed to rain.  
4. The unit does not operate properly.  
5. The unit has been dropped or damaged.  
6. Smoke or any unusual smell is detected from the unit.  
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO  
NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE.  
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.  
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Getting Started  
Thank you for purchasing the music hall a70.2. The a70.2 is a classic two-  
channel integrated amplifier designed for the music lover. We chose a select  
group of technologically advanced components to create this powerful 125  
watt/channel integrated amplifier. When used in a top-end audio system, your  
music hall integrated amplifier will provide years of enjoyment.  
A Few Precautions  
Please read this manual carefully. In addition to installation and operating  
instructions, it provides valuable information that will help you get optimum  
performance from your system. Please contact your authorized music hall dealer  
for answers to your questions. In addition, all of us at music hall welcome your  
questions and comments. Save the shipping carton and all enclosed packing  
material for future use. Shipping or moving the unit in anything other than the  
original packing material may result in severe damage that is not covered by the  
warranty. Be sure to keep the original sales receipt. It is your best record of the  
date of purchase, which you will need in the event warranty service is required.  
Placement  
Use common sense when placing the a70.2. Always place it on a firm, level  
surface. Make sure that the shelf or cabinet can support the weight. Ensure that  
there is adequate ventilation around all sides of the unit. Avoid placing the a70.2  
where it may be subject to excessive heat, such as near a heat register. Do not  
place anything on top of it. For best performance, avoid placing the a70.2 where  
it may be subject to vibration, such as near a speaker.  
Connecting Source Components to the a70.2  
The a70.2 has 4 standard analog inputs, one balanced analog input, one moving  
magnet phono input, and a home theater bypass (AV Direct In).  
Connect your source components to the appropriate inputs on back of the a70.2.  
Pay careful attention to match the right (red) and left (black) outputs from your  
source components to the right (red) and left (black) inputs on the a70.2.  
Connect to the ipod input on the front using a 3.5mm stereo mini-plug.  
When connecting a turntable to the phono input, connect the RCA’s as described  
above. Connect the turntable’s ground wire to the ground screw (GND). The  
phono input is for use with moving-magnet and some high output moving-coil  
cartridges.  
If unsure whether your cartridge will work, consult the literature accompanying  
the cartridge or your dealer.  
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Bypass  
This input bypasses the pre-amp section of the a70.2. It is a home-theater  
bypass also known as an AV direct amplifier input. It is only for use with an  
external component that has a volume control (i.e. home theater processor).  
Select BYPASS using the input selector to activate. Use with Caution: The  
component connected to this input will be directly connected to the amplifier.  
Pre Out  
This output is always active and can be used to connect the a70.2 to a  
subwoofer or an additional power amplifier. Simply connect this output to the  
input on your subwoofer or amplifier.  
Speaker Outputs  
To avoid damage to the a70.2, make sure it is NOT plugged into an AC outlet  
while connecting up or disconnecting speaker wire to the speaker outputs. The  
a70.2 has two sets of speaker outputs labeled A and B. Connect the right  
speaker to the right speaker output A and the left speaker to the left speaker  
output A. Match the positive (red) and negative (black) terminals on your  
speakers to the positive (red) and negative (black) terminals on back of the  
a70.2. If you plan to use an additional set of loudspeakers, connect them to the  
speaker B outputs. You can choose to play speakers A, B, or A+B.  
Connecting to the Mains - Plugging In  
Check that the Power button on front of the a70.2 is in the off position. Push  
the plug (IEC line socket) of the power cable supplied with the a70.2 into the  
socket (AC IN) on back of the unit. Make sure it is pressed in firmly. Plug the  
other end of the power cable into an AC wall outlet.  
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Using the a70.2  
power - on/off  
Push this button on the front of the a70.2 to turn the unit on. When the a70.2  
is on the display will show the input that is currently selected and the volume  
level. Pushing it again will switch the a70.2 off.  
ipod  
Use this input for an iPod, mp3 player, or any device with a mini-plug output.  
phones  
Use this input for headphones. When headphones are in use the speaker output  
is automatically muted.  
input knob  
Turn the input knob to the right or left to select the desired input.  
speakers – a/b  
Speaker selector a, b, or a + b.  
volume  
Turn the volume knob to the right to adjust the volume up. Turn the knob  
toward the left to decrease volume. The volume control has 80 different settings  
from MIN (00) to MAX (80).  
Using the Remote Control  
Note: Install the two AAA batteries, if they haven’t been factory installed. To  
install/change the batteries; slide the battery cover on the back of the remote  
control, off. Install/change the batteries, replace the battery cover and begin  
use.  
The supplied remote control (ir2.0) is a standard system remote and therefore  
not all buttons will function with the a70.2. The remote controls the a70.2 and  
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some other music hall components. For information on using the remote control  
with other music hall components, please refer to the appropriate manual.  
Do not place anything in front of the display area of the unit, or the remote  
control may not work.  
open/close  
This button does not function with the a70.2.  
speaker A/B/A+B  
Allows you to select the speaker pair you’d like to listen to.  
input  
Allows you to toggle through the inputs.  
muting  
Mutes the amp's output. The display will read MUTING when the control is  
active. Press the button again and muting is turned off.  
dimmer  
Dims the display. Press the dimmer button repeatedly to toggle through the  
settings.  
volume   
Pushing volume increases the volume. Pushing volume decreases the  
volume. Holding the button increases or decreases the volume rapidly.  
Technical Specification  
Amplifier  
Maximal power output (no distortion): 125W/8Ω  
180W/4Ω  
Minimal impedance: 2Ω  
S/N: 100dB (A-weighted)  
Frequency Response: 10Hz - 30KHz ±0.5dB  
Distortion (THD+N): <0.008(1kHz)  
Input Sensitivity: 320mV/47kΩ  
Phono MM input sensitivity: 320mV/47kΩ  
Power Consumption: <460W  
Power supply: AC115V/50Hz - 60Hz/200W  
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Physical  
Dimensions: 17.1W x 15.9D x 6.1H in. (435 x 403 x 154mm)  
Weight: 31lbs. (14kg)  
Supplied Accessories: Mains Lead, Remote Control, 2 x AAA Batteries, Owner’s  
manual  
USA - This product complies with FCC requirements.  
Guarantee  
This entitles you to have the music hall a70.2 repaired or replaced, at our  
discretion, free of charge for one year after purchase, at any authorized music  
hall dealer, provided the unit was purchased from an authorized dealer. Your  
original sales receipt is used as proof of purchase date. Music hall can take no  
responsibility for defects arising from accident, misuse, abuse, wear and tear,  
neglect or through unauthorized repair and or adjustment. Neither can music  
hall accept responsibility for damage or loss occurring during transit to or from  
the person claiming under the guarantee.  
Warranty  
Your music hall a70.2 warranty covers parts and labor costs for one year from  
the purchase date. After one year, you must pay for both parts and labor costs.  
The warranty does not cover transportation costs at any time.  
Claims under guarantee  
The unit should be packed in the original packing and returned to the dealer  
from whom it was purchased, or to an authorized music hall service center. It  
should be sent by a reputable carrier, carriage prepaid. Do not send the unit via  
USPS (United States Postal Service). No responsibility can be accepted for the  
unit while in transit to the dealer, customer, or authorized service agent,  
therefore, customers are advised to insure the unit against loss, damage, or theft  
while in transit.  
For further details contact Music Hall LLC:  
108 Station Road  
Great Neck, NY 11023  
T: 516.487.3663  
F: 516.773.3891  
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