JDS Labs ATOM AMP Manuel utilisateur
OPERATING INSTRUCTIONS | AMPLIFIER
ATOM AMP
SUPPORT
ONLINE BY TELEPHONE BY MAIL
314-252-0936
9:30AM-6PM CST,
MONDAY THROUGH FRIDAY
JDSLABS.COM/SUPPORT
909 N BLUFF RD
COLLINSVILLE, IL 62234
UNITED STATES
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SECTION 1
QUICK SETUP
STEP 01 STEP 02
STEP 03 STEP 04
STEP 05
Connect AC power adapter to rear power jack,
then connect power adapter to wall outlet.
Connect a cable from your audio player to the
RCA or 3.5mm input jack. Press the front
“INPUT” button to select 3.5mm input, or
depress to select RCA.
Turn the volum knob clockwise to power on.Connect headphones to the front headphone
output jack.
Slowly raise the volume knob to an
approporiate listening level.
See “Listening Tips” on pg. 5.
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SECTION 2
CONFIGURATION
Connectivity
Atom Amp provides two inputs. Press the “INPUT” button to select 3. 5mm, or depress for RCA.
RCA Preamp Outputs are only active while headphones are unplugged. Set the “GAIN” button
to low gain (depressed) when using RCA output. The volume knob adjusts RCA output.
Gain Setting VRMS (dBU)
Maximum RCA Analog Input Level (High Gain): 2.10 VRMS (+8.6 dBU)
Maximum RCA Analog Input Level (Low Gain): 8.65 VRMS (+20.1 dBU)
Setting Gain
Press the gain button to toggle between low or high gain amplication. Always use the lowest
gain necessary.
Switch to high gain only when you’re unable to achieve desired listening volume at low gain.
Source Safety
Atom Amp is DC coupled for maximum signal quality and requires an input source with <
4.5mV of DC oset for safe operation. All JDS Labs DACs and consumer audio sources are safe
to use.
If you experience warm headphones, a loud pop when changing gain, or severe rustling sounds
while adjusting volume, immediately power o and contact the manufacturer of your audio
source to ensure DC oset is below 4mV.
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Headphones Connected
Preamp-output functionality
Headphones Disconnected
The volume knob adjusts RCA preamp output. Use Low Gain. Be sure to
reduce volume level before connecting headphones
HEADPHONE
AMPLIFIER
AUDIO TO
HEADPHONES
RCA JACKS
(LINE-OUTPUT)
SPEAKERS
MUTE
EXTERNAL
AUDIO
RCA JACKS
(LINE-INPUT)
HEADPHONES
MUTE
HEADPHONE
AMPLIFIER
AUDIO TO
SPEAKERS
EXTERNAL
AUDIO
INPUT JACKS
(RCA or 3.5mm)
RCA JACKS
(OUTPUT)
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Listening Tips
Operating Care
Listen safely to conserve your hearing:
www.hearingloss.org
Atom Amp uses a high current, linear
power supply and runs warm to the touch.
Atom Amp can be safely powered on 24/7.
Do not turn knob beyond its limits or
press buttons with excessive force.
Use gentle force when inserting or
removing cables.
To ensure an optimal noise oor,
always position headphone ampliers as
far away as possible from wireless devices.
Inputs vs. Outputs
Your audio sources connect to your amp’s
Input. These are common audio sources.
Your headphones or speakers connect to
your amp’s output.
Output
Input
Troubleshooting
Amplier does not turn on
Cause: Disconnected, damaged, or incorrect power adapter
Solution: Please ensure AC adapter is rmly connected to power jack and wall outlet
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POWER ADAPTERS
Attention: Incorrect power adapters can result in capacitor
explosion hazards and device damage. Only use the power adapter
included with your Atom Amp:
Type: AC-to-AC Transformer Output Voltage: 16 VAC
Current: Minimum 1000mA Connector: 2.1x5.5mm (ID x OD)
Amplier does not turn on
Cause: Disconnected, damaged, or incorrect power adapter
Solution: Please ensure AC adapter is rmly connected to power jack and wall outlet
Amplier does not turn o (light remains on)
Cause: On rare occasion, mechanical relays can stick. Most common after shipment
Solution: Firmly knock top left corner of enclosure, near power jack, to disengage
No sound, but light is on
Cause: Wrong input mode selected, or cable/source problem
Solution: Input button must be depressed for RCA input, or pressed for 3.5mm input
Audio plays in only one channel
Cause: Bad cable or adapter, or incorrect source setup
Solution: Try another input cable, and headphones with a native 1/4” connector
For more help, please visit: www.jdslabs.com/troubleshooting
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Application for Council Directives 2004/108/EC, 2006/95/EC, 2002/95/
EC.Conformity declared for EN55022:2011, EN611000-3-2, EN61000-3-3,
EN55024-2
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.
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