Emotiva LPA-1 manuale d’uso

USER’S GUIDE[...]

T able of Contents Safety Precautions 4 NEC (National Electrical Code) Standards 6 A Note for the Cable T elevision (CA TV) Installer 6 Antenna Grounding Outside the House 6 Thank Y ou for your LP A-1 Purchase 7 Unpacking the LP A-1 8 Inventory 8 Recording the Serial Number 8 Emotiva LP A-1 Seven Channel Ampli er Emotiva LP A-1 Seven Channel Amp[...]

Series 19 Parallel 19 T echnical Note about Multiple Speaker Connections 20 T roubleshooting Guide 21 No Sound (from one or more speakers connected to the LP A-1) 21 The amplifier shuts down often or the line circuit breaker trips often 21 Poor Bass Performance From Full Range Speakers connected to the LP A-1 21 T urn-on and turn-off thumps 22 “H[...]

Page 4 Page 4 Safety Precautions Read this User ’s Guide thoroughly before attempting to install and configure the Emotiva LP A- 1 Amplifier . All the safety and operation instructions should be read before any operation of the component(s) begin. After successful installation and configuration of the Emotiva LP A-1 Amplifier , be sure to retain [...]

Page 5 The user should not attempt to service the LP A-1 Amplifier beyond the means described in this Owner ’s Guide. All other servicing should be referred to qualified service personnel. T o prevent electric shock, do not use this polarized plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to preven[...]

Page 6 Page 6 NEC (National Electrical Code) Standards A Note for the Cable T elevision (CA TV) Installer This reminder is to call the CA TV system installer ’ s attention to Article 820-40 of the NEC that provides guidelines for proper grounding and in particular , specifies that the cable ground shall be connected to the grounding system of the[...]

Page 7 Thank Y ou for your LP A-1 Purchase Dear Home Entertainment Enthusiast, Thank you for purchasing the Emotiva LP A-1 Amplifier . W e sincerely believe that it offers you outstanding performance and value. Emotiva products are engineered and produced with the highest quality materials and incorporate the latest technology . We think you will f[...]

Page 8 Page 8 Unpacking the LP A-1 The Emotiva LP A-1 Amplifier should reach you in flawless condition. If you notice any shipping damage or other issues upon unpacking the unit, please contact your Emotiva Retailer immediately . Inventory Included with your LP A-1 amplifier should be an IEC Class 1, 2 prong power cord, and this User ’s Guide. Pl[...]

Page 9 Emotiva LP A-1 Seven Channel Ampli er Professional 750 W att Amplifier Features • Audiophile quality seven channel multi-channel power ampli er . • Six 125 watt channels of ampli cation (one channel is con gurable for two channel operation) • Low noise 1.2 KV A torrid power transformer • Complementary , discrete power amp[...]

Page 10 Page 10 Rear Panel Layout RCA Audio Inputs These inputs provide the signal information for each channel on the LP A-1. Simply connect them to the appropriate output of the preamplifier/processor or other preamp level audio device. Channels 6 and 7 (far left) can be used as a bridged output, in which case it only requires an input from chann[...]

Page 1 1 Installation and Connections AC Power Considerations Ensure that the unit is plugged into an outlet capable of supplying the correct voltage and current specified for your model. Remember to account for the electrical power that other components will require if they share a common wall socket or electrical circuit. The majority of househol[...]

Page 12 Page 12 Input Connection Considerations Whenever possible, keep preamp level audio cables away from electrical power cords by at least a few inches. It’s more important with amplifiers as the AC power cords are carrying much more current than other source and preamplifier components, which means there is a larger degree of noise or “hum[...]

Page 13 Connection Diagrams Connecting a 7.1 Preamp/Processor Connection using a 7 channel preout to LP A-1 When connecting the LP A-1 to drive a 7.1 system, you can use channels 1-5 for the “Main” speakers as you wish, but Emotiva recommends using channels 6 and 7 as the “Rear Back” surround channels so that the power is distributed correc[...]

Page 14 Page 14 Connecting a 5.1 Preamp/Processor Connection using a 5.1 channel preout to LP A-1 (including LFE Channel) This configuration shows the LP A-1 driving five full range channels and using channels 6 and 7 in a bridged configuration for a non powered subwoofer . This type of configuration is ideal for enthusiasts who have (or will) make[...]

Page 15 Connecting a 5.1 and Second Zone System Connection 5 main channels plus a second (2 channel) zone This configuration shows the LP A-1 driving five full range channels and using channels 6 and 7 for a second zone that is fed from the Zone 2 preamp output of the main preamplfier/processor . This type of configuration is ideal for enthusiasts [...]

Page 16 Page 16 Connecting Multiple Zones Connection of up to 3 distinct (2 channel) zones This configuration shows the LP A-1 three independent zones of audio through a “multi- zone controller”. The source units connect into the multi zone controller , as do the application specific keypads. From there, the preamp outputs for each zone connect[...]

Page 17 Connecting an Expanded Second Zone System VCR or DVR CD or DVD Player Cassette or DA T Player Powered 5.1 Home Theater Receiver Emotiva LP A-1 Audio Distribution Device (Niles A VDA-3 or similar) Please note that if the receiver does not provide a separate volume control capability for the Zone 2 output, or if it is simply “split” from [...]

Page 18 Page 18 12V T rigger Connections The 12 VDC trigger connection shown can be used to turn the amplifier on when the preamplifier turns on. This trigger will actually trigger with any switched DC V oltage from 5-12 VDC, however the majority of home theater components use a standard 12 VDC trigger connection for this function. This is the pref[...]

Page 19 Series and Parallel Speaker Connections Whenever connecting more than one speaker per channel to an amplifier (regardless of the brand), you must consider the way in which the amplifier will be impacted by adding the additional speaker(s). Additionally , speakers with dual voice coils also apply to this consideration. T wo voice coils in a [...]

Page 20 Page 20 • The negative output terminal of the right channel connects to the negative input post of the  rst speaker and to the negative post of the second speaker . and to the negative post of the second speaker . and The total impedance of equal speakers in parallel is found by dividing the impedance of one speaker by the number of sp[...]

Page 21 T roubleshooting Guide The Emotiva LP A-1 is expertly designed and built to provide years of trouble-free performance. Most problems that occur can usually be solved by checking your setup or making sure that the audio and video components connected to the amplifier are on and fully operational. The following information will help you deal [...]

Page 22 Page 22 • Check that the speaker wires have been connected correctly: Make sure that the positive of each speaker connects to a positive output of the ampli er , and the negative of each speaker connects to a negative output. If one speaker is wired incorrectly , than it will be “out of phase” with the others, resulting in poor bas[...]

Page 23 Ground loop isolators are available for audio lines and video devices. If you need assistance, contact your Emotiva Dealer . Although this is not always an ideal solution, the grounding dif ferences between certain home entertainment components sometimes require ground loop isolators. This is the exception rather than the rule. Other Probab[...]

Page 24 Page 24 LP A-1 T echnical Speci cations Rated Power Output: (All Channels Driven @ 1Khz, 120V AC/ 60HZ supply , THD noted) Channels 1-5 125 W atts into 8 Ohms (0.04%THD) 225 W atts into 4 Ohms (0.04%THD) Channels 6-7 50 W atts into 8 Ohms (0.05%THD) 95 W atts into 4 Ohms (0.05%THD) Frequency Response: 20-20Khz: +/-0.1dB 10-100Khz: +/-1.0[...]

Page 25 Limited W arranty The Emotiva LP A-1 has been created to perform flawlessly for many years. As a result of this quality and craftsmanship, Emotiva offers the following warranty to owners of the LP A-1. Emotiva Audio warrants the LP A-1 to be free from defects in materials and workmanship for a period of  ve years from the original date o[...]

Rev 1.06 4/2006 Emotiva 106 Mission Court, Suite 101 Franklin, TN. 37067 T oll Free - (877) EMO-TECH Website - www .emotivaaudio.com Distributed Exclusively in the US by: A V123 2150 W . 6th A ve, Suite L Broomfield, CO 80020 T oll Free - (877) 543-7500 Website - www .av123.com e-mail - info@av123.com[...]