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1. HIGH INPUT RCA s for connection to your CD player or other line level inputs STEREO HEADPHONE OUTPUTS 1 4 stereo and 1 8 stereo jacks for connection to stereo headphones HIGH LOW SELECTOR SWITCH This switch selects be tween the HIGH INPUT or LOW INPUTS HEADPHONE LEVEL This volume control is for the STE REO HEADPHONE OUTPUT LEVEL VDC For connection to the included power supply WARN ING USE ONLY THE FACTORY SUPPLIED POWER SUP PLY USING A IMPROPERLY POLARIZED OR WRONG VOLTAGE SUPPLY MAY DAMAGE THE HA540 POWER For turning the power on or off to the HA540 pwr When lit indicates that power is supplied to the HA540 HIGH LOW EXPLANATION The LOW is a more sensitive input to pick up the output of devices that have a lower level like an Ipod or Zune players These devices usually run off an internal battery and have a lower output than traditional line level The HIGH level is designed to be used with CD players Phonograph Preamps or other equipment that has a proper line level output These devices tend to be higher in level than an Ipod or other battery operated device and would work better when using the HIGH INPUT Again it is best to use the HIGH or LOW input that sounds best for your application Let your ears be the judge not product specs FAQ Your HA540 will buzz when you listen to headphones with nothing plugged into the input selected The unit needs something to be plugged into the input that is selected to com
2. ONS HIGH VOLTAGES EXIST INSIDE THE UNIT EVEN WHEN THE UNIT IS NOT POWERED ON ALL WARRANTIES ARE VOID IF ANY INTERNAL COMPONENTS ARE DAMAGED DUE TO USER ERROR Bellari Bellari is a division of Rolls Corporation Salt Lake City UT WWW ROLLS COM 6 10 DUE HA540 Class A Headphone Amp oo oun Oke LOW HIGH STEREO HEADPHONE INPUTS INPUT OUTPUTS Bellari D Ure lass 7 Headphone Amplifier HA540 www rolls com HEADPHONE HIGH LEVEL LOW oom INPUT SELECTOR OFF Mil vty ON oo NOTE THIS GUIDE ASSUMES THE USER HAS A WORKING KNOWLEDGE OF AUDIO ELECTRONICS AND PROPER SIGNAL LEVEL SETTING QUICK START OPERATION GUIDE INTRODUCTION Thank your for your purchase of the Bellari HA540 Pure Class A Head phone Amplifier The HA540 is a stereo headphone amplifier with sepa rate high and low level inputs INSPECTION WARRANTY 1 Unpack and inspect the HA540 box and package Your HA540 was carefully packed at the factory in a protective carton Nonetheless be sure to examine the unit and the carton for any signs of damage that may have occurred during shipping If obvious physical damage is noticed contact the carrier immediately to make a damage claim We suggest saving the shipping carton and packing materials for safely transporting the unit in the future 2 Please visit our web site at www rolls com and click on the Register Your Warranty Here text Fill out the warranty information to ensure cov
3. WARNING USING THIS SYSTEM AT EXCESSIVE VOLUMES CAN CAUSE PERMANENT HEARING DAMAGE USE AS LOW A VOLUME AS POSSIBLE In order to use this system safely avoid prolonged listening at excessive sound pressure levels Please use the following guidelines established by the Occupational Safety Health Administration OSHA on maximum time exposure to sound pressure levels before hearing damage occurs 90 dB SPL at 8 hours 95 dB SPL at 4 hours 100 dB SPL at 2 hours 105 dB SPL at 1 hour 110 dB SPL at 1 2 hour 115 dB SPL at 15 minutes 120 dB SPL avoid or damage may occur CAUTION Plugging a mono 1 4 or 1 8 TS plug into the Stereo Headphone Outputs on the HA540 will cause permanent damage to the unit because one side would be shorted to ground Never plug a mono plug into any of the Headphone Outputs THE HA540 WILL BE PER MANENTLY DAMAGED This is a TRS or This is a MONO stereo jack that Tip jack and should is compatible Ring never be plugged with the HA540 Sleeve into the Head Headphone ground phone Output of Outputs a HA540 WARNINGS THE MINIMUM HEADPHONE IMPEDANCE FOR THE HA540 IS 16 OHMS THE MAXIMUM HEADPHONE IMPEDANCE IS 2000 OHMS IF YOU CONNECT AND USE THE HA540 WITH A LOWER HEADPHONE IMPEDANCE THAN LISTED ABOVE YOU WILL DAMAGE THE UNIT AND POSSIBLY OTHER EQUIPMENT THAT IS CONNECTED TO THE HA540 DO NOT OPEN THE HA540 REMOVING THE UNITS COVER COULD POTENTIALLY DAMAGE THE UNIT OR CAUSE HARM TO UNQUALI FIED PERS
4. erage of your new Rolls product SPECIFICATIONS Input Impedance 47k ohms Output Impedance 16 ohms Max Output Level 15dBv 1kHz at 1 dist THD 05 1KHz S N Ratio gt 80 dB unweighted Indicator 1 Power LED Max Output Power up to 500 mW side 1 W Stereo 16 Ohms Frequency Response 5 Hz 30 kHz Phase Shift In to Out 0 db Crosstalk 75 dB Headphone impedance 16 Ohms to 2000 Ohms Max Input Level 15 dBV Input Connectors LOW RCA 1 8 3 5mm Stereo HIGH RCA Outputs 1 1 4 TRS Stereo jack 1 1 8 3 5 mm TRS Stereo jack PWR 15 VDC 700mA Size 6 w x 2 5 h x 5 4 d Weight 2 lb Disclaimer Training and operation is the dealers responsibility At Bellari we do not sell directly to customers We have factory authorized dealers and it is the dealers responsibility to gather your equipment list and recommend proper products to the consumer Do not call the Bellari factory and ex pect help with your setup We rely on our dealers to do such work There is only so much that can be done over the phone so PLEASE CONTACT YOUR LOCAL DEALER WITH QUESTIONS If you have purchased your item online or used you are on your own WE HIGHLY RECOM MEND THAT IF YOU ARE NOT FAMILIAR WITH SUCH PRODUCTS TO PLEASE BUY THEM FROM A REPUTABLE FACTORY AUTHORIZED DEALER THAT OFFERS CUSTOMER SUPPORT DESCRIPTION CONNECTION LOW LEVEL INPUTS RCA s or 1 8 stereo input for con nection to Ipod or other low line level inputs
5. plete the circuit Without a device connected to the selected input the HA540 WILL BUZZ AND GENERATE A VERY UNPLEASANT SOUND THRU THE HEADPHONES IT IS RECOMMENDED THAT YOU CONNECT ALL THE INPUTS AND OUTPUT BEFORE POWERING ON THE UNIT AGAIN IT IS NORMAL OPERA TION TO BUZZ WITHOUT AN INPUT

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