Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Practical Devices XM5
Summary of Contents for Practical Devices XM5
- Page 1 Headphone Amplifier User’s Manual...
- Page 2 We’ve worked very hard to provide you with what may be one of the most advanced, feature packed, and best sounding headphone amplifiers on the market today. The XM5 is designed to be durable, flexible, easy to use, practical, and above all, sound great. Each unit is carefully manufactured, and then rigorously tested for performance, durability, and sound quality.
-
Page 3: Table Of Contents
Table of Contents XM5 Block Diagram ....4 Connecting Your XM5 ....6 USB ..........7 Power Button Functions ....8 Crossfeed Controls......9 Bass, Treble, Gain Boost...10 75 output, Voltmeter....11 Disassembling the Unit....12 Re-assembling the Unit .....13 Battery Power Systems .....14 Frequently-Asked Questions ..15 Troubleshooting......16... -
Page 4: Xm5 Block Diagram
XM5 Block Diagram Switch Gain Boost Switch IN position: 75 output impedance IN position: +10db extra boost OUT position: 0 output impedance OUT position: + 0db extra boost Treble +2.5dB Crossfeed Enable Switch Power Button IN position: XFeed enabled. Press button:... -
Page 5: Interior View
Source is USB DAC Crossfeed, from near-stereo to 100% mono. OUT position: Source is FrontPanel input Power Connector USB Connector: Used to power and recharge the XM5. Mates with Mini-USB only the AC adapter supplied from Practical type B 5-pin plug. Devices. -
Page 6: Connecting Your Xm5
2. Connect a suitable source to the input jack, as pictured. Sources may be MP3 or CD players, iPods, or any line-level devices. Alternatively, you may connect the XM5’s rear-panel USB port. Be sure to set the rear-panel source-select switch (switch-out selects front panel input;... -
Page 7: Usb
USB. Failure to do so can cause USB hang-ups. Driver Support (Windows XP and Windows Vista): Windows XP and Windows Vista have built-in drivers to support the XM5. The first time you plug in the XM5, the drivers will automatically install: You may have to choose the XM5 to be the default audio device ( Start->Settings-... -
Page 8: Power Button Functions
3 presses: Turn unit on for three hours. 6 presses: Turn unit on for six hours. 7 presses: Turn unit on. The XM5 will not turn itself off. Press and hold: Turn unit off. The unit will respond to button presses by flashing the blue LED once for each hour it will stay on. -
Page 9: Crossfeed Controls
Crossfeed Enable Switch Crossfeed Adjuster Only works when switch is enabled. The XM5’s Active Crossfeed circuit simulates the sound stage of loudspeakers, through your headphones. Press the Switch IN to activate Crossfeed. • Leave the button OUT for full stereo operation, •... -
Page 10: Bass, Treble, Gain Boost
Treble Boost enabled Gain Boost With the volume knob at full, your XM5 will deliver +12dB of gain. Additionally, you can enable the gain boost switch, which will give you an extra +10dB of gain, for a total of approximately +22dB. -
Page 11: Output, Voltmeter
Testing the Battery The XM5 also acts as a battery tester. When the XM5 is turned on, the amber LED will display the battery voltage by flashing. For example, if the voltage is 8.5 volts, the LED will flash 8 times, then 5 times. -
Page 12: Disassembling The Unit
Disassembling the Unit FOR ADVANCED USERS ONLY! If you want to replace the amplifier or buffer chips, you will need to disassemble the unit. Here's how: 1. Turn the unit off, and remove the external power adapter if connected. 2. Remove the two screws on the rear panel, and the two screws on the front panel, using the included 7/64”... -
Page 13: Re-Assembling The Unit
Re-assembling the Unit Battery cable To re-assemble the unit: should be 1. Slide the unit together (make sure the neatly under circuit board slides smoothly on the battery case's guide rails). When sliding, ensure the following: Fig. 1 2. Battery should be oriented such that battery clip is toward FRONT of unit (Fig 1) 3. -
Page 14: Battery Power Systems
Battery Systems Your XM5 was equipped with one of the following battery systems: 1. Lithium-Ion FastCharge™ System, including a rechargeable battery, and an AC adapter/recharger. 2. Alkaline battery Lithium Battery FastCharge™ System If your XM5 came equipped with the optional... -
Page 15: Frequently-Asked Questions
Frequently-Asked Questions Can I use a line-level input to the XM5, such as from a CD/DVD player or VCR? Yes, the XM5 will accept a line-level input. Can I use the XM5 to drive speakers? Usually, no. The XM5 was designed as a headphone amp, and will usually not do a good job of driving speakers, even small ones (most speakers have impedances of around eight ohms). -
Page 16: Troubleshooting
Troubleshooting Here are some common problems, and their solutions: USB doesn’t work: Unplug the USB connector, wait 10 seconds, then plug it back in, • and restart your multimedia application. Remember: plugging in the AC adapter while USB is connected •... -
Page 17: Warranty And Guarantee
Practical Devices stands behind its products with a full no-risk warranty and money-back satisfaction guarantee. Practical Devices offers a 30-day money-back guarantee on all of our products. If, for any reason whatsoever, you are unsatisfied with your purchase, you may return it for your money back, including your original shipping cost. -
Page 18: Technical Specifications
Specifications Description: Portable Audio Headphone Amplifier Weight: 157 grams (5.5 oz) Power Source: Optional Lithium-Ion Rechargeable • System, or 9-volt Alkaline, or • 9.6V Lithium non-rechargeable • External Power Supply: Optional Lithium-Ion charger Battery Charge Time Lithium FastCharge System: 1.5 hours Battery Life (approximate): Alkaline: 50 hours... - Page 19 Specifications (Continued) Dynamic Range 103dB (20-20,000Hz, typical): Bass Boost (approx.) +6dB @ 100Hz Treble Boost (approx.) +3dB @ 10kHz Active, user-adjustable from mono to Crossfeed stereo using potentiometer; User can bypass using pushbutton. Auto Power-OFF User selects between 1, 3, or 6 hour poweroff interval, or unit can be set to stay on indefinitely Status Indicators...
- Page 20 XM5r6_v39 ©2008 www.practicaldevices.com...
Need help?
Do you have a question about the XM5 and is the answer not in the manual?
Questions and answers