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Summary of Contents for Monoprice 27222
- Page 1 MONOPRICE Pure Tube Stereo Amplifier with Bluetooth, Line-in, and Phono Inputs PID 27222 User's Manual...
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Page 2: Table Of Contents
CONTENTS SAFETY WARNINGS AND GUIDELINES ................................3 INTRODUCTION ............................................5 FEATURES ..............................................5 CUSTOMER SERVICE ........................................... 6 PACKAGE CONTENTS ........................................6 CONTROLS AND CONNECTIONS ..................................... 7 Front Panel ............................................7 Rear Panel .............................................. 7 CABLE PREPARATION ........................................8 Speaker Wires............................................ 8 RCA Cables ............................................ -
Page 3: Safety Warnings And Guidelines
SAFETY WARNINGS AND GUIDELINES After receiving the product and before applying power, install the tubes by SETUP following the instructions in the section, and ensure that they are properly seated in their sockets. Do not turn on the amplifier without first connecting a pair of 4~8 ohm speakers. ... - Page 4 Unplug this device from the power source if it will go unused for a long period of time. Prior to operation, check the unit and power cord for physical damage. Do not use if physical damage has occurred. ...
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Page 5: Introduction
INTRODUCTION Thank you for purchasing this tube amplifier from Monoprice! This amplifier uses vacuum tubes for both the preamplifier section and the power amplifier stage. The advantage of listening to a sound system utilizing tubes is a warmth and depth of sound not possible with systems that are only digital or analog solid state. -
Page 6: Customer Service
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 during normal business hours (Mon-Fri: 5am-7pm PT, Sat-Sun: 9am-... -
Page 7: Controls And Connections
CONTROLS AND CONNECTIONS Front Panel 1. POWER: Toggles power on/off. When power is on, the LED above the power button is illuminated. 2. TREBLE: Adjusts the high frequency response from -6dB to +6dB. 3. BASS: Adjusts the low frequency response from -6dB to +6dB. 4. -
Page 8: Cable Preparation
9. PHONO: Phono-level left and right RCA jacks for input from a turntable with phono- level output. Warning! Do not connect a line-level source to this input. Ensure that you are only connecting a phono-level turntable! 10. PRE OUT: Left and right line-level RCA jacks for connecting another power amplifier or powered speakers. -
Page 9: Rca Cables
cannot accept 10 or 12 AWG wire, you can use banana or pin plugs to connect the wire to the speaker terminals. Whichever speaker wire you get, make sure that it has marks to identify one conductor from another. Most speaker wire uses a colored stripe to identify one of the conductors. The identified conductor is usually used for the positive (+/red) connection and the other for the negative (-/black) side. -
Page 10: Speaker Connections
Use gloves when handling the vacuum tubes to prevent oil residue from your fingers accumulating on the glass, thereby preventing premature tube failure. 2. Position the tube inside one of the four large tube cages. Align the pins to match the pattern in the tube socket, with the large gap closest to the rear of the amp. -
Page 11: Source And Power Connections
wires to the binding posts is to use banana plugs. If using bare speaker wire, carefully inspect each connection to ensure that there are no stray wire strands. 8. Connect the other end of this speaker wire to the inputs on your left-channel speaker, taking care to match the polarity. -
Page 12: Bluetooth Connection
19. Open the Bluetooth settings on your mobile device and initiate a scan for nearby Bluetooth devices. 20. Locate and select the MP TUBE 27222 entry. If prompted for a passcode, enter four zeroes (0000). Congratulations! Your amplifier is now properly setup and ready for use! MAINTENANCE Note that after years of use, vacuum tubes will not perform as well as when they are new. -
Page 13: Specifications
EL84 and 6N3 Bluetooth Version 4.0 with aptX™ audio codec Bluetooth Range Up to 32 feet (10 meters) Bluetooth ID MP TUBE 27222 Dimensions 10.7" x 5.9" x 12.4" (272 x 150 x 315 mm) Weight 16.1 lbs (7.3 kg) -
Page 14: Regulatory Compliance
(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. -
Page 15: Radio Notice For Fcc
This FCC Part 15 radio device operates on a non-interference basis with other devices operating at this frequency. Any changes or modification to said product not expressly approved by Monoprice, including the use of non-approved antennas, could void the user’s authority to operate this device.
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