Monoprice 38360 User manual

25-Watt Stereo Hybrid Tube Amplifier
P/N 38360
User's Manual

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SAFETY WARNINGS AND GUIDELINES
Please read this entire manual before using this device, paying extra attention to these
safety warnings and guidelines. Please keep this manual in a safe place for future reference.
•This device is intended for indoor use only.
•Do not expose this device to water or moisture of any kind. Do not place drinks or
other containers with moisture on or near the device. If moisture does get in or on
the device, immediately unplug it from the power outlet and allow it to fully dry
before reapplying power.
•Do not touch the device, the power cord, or any other connected cables with wet
hands.
•Do not expose this device to excessive vibration.
•Do not subject the product to extreme force, shock, or fluctuations in temperature
or humidity.
•Do not expose this device to excessively high temperatures. Do not place it in, on,
or near a heat source, such as a fireplace, stove, radiator, etc. Do not leave it in
direct sunlight.
•Do not place or install this device in an area where it can be exposed to excessive
amounts of dust, humidity, oil, smoke, or combustible vapors.
•Use only in a well-ventilated area. Do not use in close, confined spaces.
•Prior to operation, check the unit and power cord for physical damage. Do not use if
physical damage has occurred.
•Before plugging the unit into a power outlet, ensure that the outlet provides the
same type and level of power required by the device.
•Disconnect the unit from the power source when replacing the fuse. Replace the
fuse only with the same type.
•Unplug this device from the power source when not in use.

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•Take care to prevent damage to the power cord. Do not allow it to become
crimped, pinched, walked on, or become tangled with other cords. Ensure that the
power cord does not present a tripping hazard.
•Never unplug the unit by pulling on the power cord. Always grasp the connector
head or adapter body.
•Ensure that power is turned off and disconnected before making any electrical
connections.
•Clean using a soft, dry cloth only. Do not use chemical cleaners, solvents, or
detergents. For stubborn deposits, moisten the cloth with warm water.
•This device has no user serviceable parts. Do not attempt to open, service, or
modify this device.
•Use gloves when touching the tubes. The oil from your fingers can reduce tube life.
CUSTOMER SERVICE
The Monoprice Customer Service department is dedicated to ensuring that your ordering,
purchasing, and delivery experience is second to none. If you have any problem with your
order, please give us an opportunity to make it right. You can contact a Monoprice
Customer Service representative through the Live Chat link on our website
www.monoprice.com or via email at [e-mail]. Check the website for
support times and links.
PACKAGE CONTENTS
Please take an inventory of the package contents to ensure you have all the items listed
below. If anything is missing or damaged, please contact Monoprice Customer Service for a
replacement.
1x Tube Amplifier
1x Line In Cable
1x User's Manual

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PRODUCT OVERVIEW
Front Panel
1. POWER: Press the button to turn the amplifier on or off.
2. USB: USB port for use with a USB flash drive with audio files.
3. HEADPHONES: 3.5mm TRS headphone jack. The speaker output is disabled when
headphones are plugged in.
4. CONTROL: Playback control for use with the USB and Bluetooth® inputs. Press the
control to pause or resume playback. Turn the control counterclockwise to skip back
to the previous track. Turn the control clockwise to skip forward to the next track.
5. TREBLE: Adjusts the output level of the high frequencies.
6. BASS: Adjusts the output level of the low frequencies.
7. VU Meter: Analog VU meter displays the overall output level.
8. INPUT: Input selector. If a USB flash drive is connected, the BT/USB selection will
playback audio files from the USB drive. If no USB drive is connected, the amplifier
will search for Bluetooth enabled devices and automatically enter Bluetooth mode.
The amplifier's USB audio player is compatible with WAV, MP3, WMA, APE, and
FLAC audio files.
9. BT LED: The LED flashes when in Bluetooth pairing mode. It illuminates solid when
connected to a Bluetooth device.
10. VOLUME: Adjusts the overall volume level.

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Rear Panel
1. AUDIO INPUT CD/DVD: A set of stereo RCA line level input jacks.
2. BASS OUTPUT GROUP 2: A set of stereo RCA line output jacks for connecting a
powered subwoofer.
3. OPTICAL/COAXIAL: Slide switch for selecting the OPTICAL or COAXIAL digital audio
input.
4. OPTICAL INPUT: Optical digital audio input connector.
5. COAXIAL INPUT: Coaxial digital audio input connector.
6. IMPEDANCE 4~16Ω: Stereo speaker output connectors.
7. FUSE F2A: Fuse holder.
8. AC IN: AC power cord.
IMPORTANT TUBE NOTE
It is possible for the tubes to work themselves loose in the tube socket during shipping.
Prior to installation, ensure that the tubes are firmly seated in their sockets.
Note: Wear gloves when handling the tubes. The oil from your fingers can reduce tube life
and cause premature failure.

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SAMPLE CONNECTION DIAGRAM
BLUETOOTH® PAIRING
Perform the following steps to pair your mobile device with the amplifier.
1. Press the POWER button on the front panel to turn the amplifier on.
2. Ensure that there is no USB drive connected to the front panel USB input.

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3. Place the INPUT selector in the BT/USB position. The BT LED will begin flashing,
indicating that the amplifier is in Bluetooth® pairing mode.
4. Open the Bluetooth settings on your mobile device and scan for nearby Bluetooth
devices.
5. Locate and select the AMP-T150 entry. If prompted for a passcode, enter 0000 (four
zeros).
Notes:
•If the pairing fails the first time, turn off the amplifier, then repeat the above steps.
•The amplifier will remember the last Bluetooth pairing and will automatically
reconnect to your mobile device. If it does not automatically reconnect, open your
Bluetooth settings, select the AMP-T150 entry, then select the CONNECT option.
•If your device cannot reconnect, delete the pairing, then repeat the above steps to
recreate the connection.
TECHNICAL SUPPORT
Monoprice is pleased to provide free, live, online technical support to assist you with any
questions you may have about installation, setup, troubleshooting, or product
recommendations. If you ever need assistance with your new product, please come online
to talk to one of our friendly and knowledgeable Tech Support Associates. Technical
support is available through the online chat button on our website www.monoprice.com
or through email by sending a message to [email protected]. Check the website for
support times and links.

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SPECIFICATIONS
Model
38360
Inputs
1x stereo RCA line, 1x digital optical,
1x digital coaxial, 1x Bluetooth®, 1x USB
Output Power (RMS)
25 watts/channel
Frequency Response
22Hz ~ 17kHz
Total Harmonic Distortion
≤ 0.02%
Signal-to-Noise Ratio
≥ 86dB
Input Impedance
47kΩ
Input Sensitivity
300mV
Speaker Output Impedance
4~16Ω
Headphone Output Impedance
4~8Ω
Bluetooth Version
2.1 + EDR
Bluetooth Pairing Name
AMP-T150
Maximum Bluetooth Range
32 feet (10 meters)
Supported USB File Formats
WAV, MP3, WMA, APE, FLAC
Maximum USB Drive Capacity
64GB
Supported USB Drive Formatting
FAT32
Input Voltage
100 ~ 120/220~240 VAC, 50/60 Hz
Dimensions
10.6" x 10.2" x 5.1" (270 x 260 x 130 mm)
Weight
6.6 lbs. (3.0 kg)

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REGULATORY COMPLIANCE
Notice for FCC
This device complies with Part 15 of the FCC rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired
operation.
Modifying the equipment without Monoprice's authorization may result in the equipment
no longer complying with FCC requirements for Class B digital devices. In that event, your
right to use the equipment may be limited by FCC regulations, and you may be required to
correct any interference to radio or television communications at your own expense.
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 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.

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Notice for Industry Canada
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
The Bluetooth® word mark and logos are registered trademarks of Bluetooth SIG, Inc.