Headphones Distribution Amplifier User Guide and Technical
Contents
1. Related Products While the public enjoy the music through headphones and speakers making music recording video taping seems far away from the daily living Low cost yet high performance audio recording and video taping camcorder are becoming popular with very easy file transfer through flash card reading Powerful computer hardware and software allow efficient audio and video editing in every home Home video and corporate video grows with popular a iets on line services such as Podcast and Youtube everyone could be the broadcaster and director that produce high quality media that transmit to half globe away in seconds Superlux provides the same high quality yet humble price audio products for professionals as well as entry level There are FMX42D a 4 channels field mixer with battery and DC operation Phantom power supply to professional microphones Balanced output for professional equip ments and un balanced output for amature consumer equipments There are extended line of microphones professional stu dio condenser microphones strong and durable dynamic microphones and camcorder microphones For applications such as home video school events ra concerts church services corporate training seminar J promotion Find it online at superlux tw As LIMITED WARRANTY Superlux Enterprise warrants all materials and workmanship under use as instructed by2. Superlux Headphones Distribution Amplifier User Guide and lechnical Information SY OFR gt We Ii i D Coral General Description Superlux HA3D is a portable stereo headphone amplifier designed for demanding and critical audio monitoring This audiophile quality headphone amp is ideal for adding headphone feeds for portable studio and audio enthusiast applications The HA3D provides 3 independent headphone feeds from balanced or unbalanced line sources Each headphone output is controlled by the associated level control equipped with independent peak LED and 1 4 inch output connector With its extended bandwidth and high current voltage drive capability the HA3D can drive headphones of various impedances to high levels with very low distortion important for monitoring in high SPL environments It can be powered from two AA batteries or external DC The HA3D will provide years of Superb audio performance under the most demanding field condi tions Features e 3 independent headphone outputs with individual volume controls e Frequency response from 10 Hz to 50 kHz gt 120dB dynamic range e High power driving capability drives headphones to high levels with very low distortion e individual peak indicators show overload of each headphone feed e Master Stereo Mono switch Dual Power e internal battery power 2 x AA for convenient low cost power e Long battery life more than 10 hours
3. struction provides long lasting durability even in chanllenge condition Light weight and optimised mechanical pressure provides long term wearing comfortness Equipped with 2 straight cables short one is 1 meter long for palm size sound source on the move applications Long one is 3 meter long for professional monitoring applications Inter connect both cables for even more distant requiries The HD669 is aclosed dynamic headphones Sound quality meets the demanding professional record ing studio Patented sturdy struction provides long lasting durability even in chanllenge condition Light weight and optimised mechanical pressure provides long term wearing comfortness Same cables as HD668B for convenience The HD681 is a semi open headphones with 3 sound styles Presence Flat and Bass enhanced These sound style re flects different sound stage impression Presence sound puts the listener on the Stage as if the performers are next to the listener Flat sound puts the listener at the front row and the whole stage is up front to the listener Bass enhanced sound puts the listener in the hall as a happy audience The HD381 is a in ear style headphones There re also 3 sound styles as HD681 and HD662 Presence Flat and Bass enhanced User can easily fit himself herself with the sound style he she preferred Not only the sound style but also the ear plug adapter with different sizes to fit as well oe
4. the user s manual of this product for a period of one year from the original date of purchase Warranty period might be different by each area Please contact your local dealer for more information If any defects are found in the materials or workmanship or if the product fails to function properly during the applicable warranty period Superlux Enterprise at its option will repair or replace the product This warranty applies only to equipment sold and delivered by Superlux Enterprise s authorized distributors or dealers However the following are not covered Damage caused by accident misuse abuse product modification or neglect damage occurring during shipment damage resulting from failure to follow instructions contained in your Instruc tion manual damage resulting from the performance of repairs by someone not authorized by Superlux claims based upon any misrepresentations by the seller any Superlux product on which the serial number has been defaced modified or removed Service and repairs of Superlux products are to be performed only at a factory authorized facility or authorized distributors or dealers Unauthorized service repairs or modification will void this warranty To obtain repairs under warranty you must have a copy of your sales receipt from the authorized Superlux dealer where you purchased the product It is necessary to establish purchase date and determine whether your Superlux product is within the warranty per
5. Alkaline batteries nominal drive level e External 5 17VDC powering Flexible Inputs outputs e 2 balanced XLR line level inputs or unbalanced 1 4 inch and 1 8 inch stereo inputs e Loop output to connect additional HA3D s in series for extra headphone outputs Durable Mechanical construction e High strength aluminum chassis withstands challenging field conditions e Strap loops on side panels for easy mounting or wearing e Panel mounted connectors for strength and reliability e Easy access battery compartment for quick battery changes Specifications Frequency Response Voltage Gain Output Clipping Level Headphone Output impedance Input Clipping Level Dynamic Range THD Noise Inputs Loop Output Internal Voltage Rails Power Power LED Operating Temperature Range Dimensions Weight unit only Included Accessories 10Hz 50 kHz 1 0dB any input to any output gain control set to 50 Gain Loop Out Headphone output 1 2 3 Bal Line 3 dB 34dB HP Input 1 dB 35 dB 18dBu minimum with 600 ohm load 16dBu minimum with 300 ohm load 200 ohms XLR 24 dBu gt 120 dB Balanced line inputs 0 03 maximum from 10Hz 22kHz 10 dBu input and output level 300 ohm load 10 Hz 22khz filter bandwidth XLR electronically balanced 22k ohm input impedance 1 4 inch unbalanced 9 1k ohm impedance 1 8 inch unbalanced 9 1k ohm impedance Note only one set of inputs balanc
6. ch Powers the unit from either Internal batteries or External DC Seamless switchover from each power source O Z Ya STEREOILOOP IN K o E R X UNEINPUTS Input Panel connecters 1 XLR Line Inputs Line level balanced inputs 2 1 4 Inch and 8 inch Tape Level Inputs Unbalanced stereo Tip Ring Sleeve inputs 3 Loop Output Output connection enabling interconnection of multiple HA3D s Loop Out is T R S unbalanced stereo connection Output Panel Connectors 1 HEADPHONE OUTPUTS Panel mounted headphone jack for each output Output 1 has 1 8 inch jack in parallel with 1 4 inch jack 2 BATTERY Compartment Requires two AA batteries for operation Insert positive end of battery first 3 DC Input Locking coaxial DC input accepts voltages from 5 to 17 VDC ape Hn ik e7 SOROD o L ea X UWUS STEF REOILOOP IN EN Connection Diagrams The HA3D can be used in a variety of headphone applications Below are a few examples of interconnection setups using the HA3D One or more units can be added and daisy chained for additional headphone feeds from a mixing console Loop ad ditional HA3D amplifiers with the included Link cable The headphone outputs of portable audio electronics can be connected to the HA3D for additional headphone feeds The popular 4 inch to 1 8 inch can be used to connect the line out or headphone outpu
7. ed or unbalanced should be connected at a time Unbalanced 200 ohm output impedance 15V regulated Internal 2 AA alkaline batteries 12 hours life typical driving one 75 ohm headset External 5 17 VDC via threaded coaxial connector 5 5mm outer diameter 2 1 mm inner diameter pin positive sleeve negative Voltages above 17 VDC cause no damage to unit but will open an inter nal poly fuse Poly fuse will reset when voltage is removed Green indicates power and good battery Red indicates power with low batteries LED turns red when approximately 4 hours of battery life remain 0 to 70 C 32 to 160 F 43 mmx 94mm x 140mm hx wx d 1L Xar x555 0 56 kg 1 24 Ibs 1 4 inch to 1 8 inch 1M lenght Tip Ring Sleeve interconnect cable Rubber feet 4 Locking DC plug 1 ASD HEADPHONE QACPUAER Bar CFF Cir tA 6 POWER ig an gt ve s O maene as ie m Annag ae soe TS g l mee we se mrana tee cork ate RN a Eae N EANET ANE AS a Front Panel 1 Stereo Mono Switch Sums stereo and 2 channels audio Program to mono for mono or single muff headphone monitoring 2 Headphone Gain Controls Volume of each headphone output 3 Headphone Peak LED illuminates 3 dB before clipping to indicate onset of headphone distortion 4 POWER LED Bi color LED illuminates green when the unit is powered and changes to red when approximately 4 hours of battery life remain 5 POWER Swit
8. iod To obtain factory authorized service please contact authorized distributors dealers or mail to sales super ux com tw a e Superlux marketing and sales Superlux Taiwan 886 2 26931 323 Sales superlux com tw manufacturing amp logistics Superlux Enterprise Development Shanghai Co Ltd 2009 SUPERLUX Inc LB100HA3DO2EN Rev 1
9. t to the HA3D xN ms i Y RJ UNENPUTS ST Operational Notes Headphone outputs The HA3D uses independent drive circuits for each of its three isolated headphone circuits Because of the bi polar power supply the HA3D can provide high levels of power to each headphone feed The HA3D is capable of driving headphones to harmful sound pressure levels Take precautions to prevent hearing dam age Powering the HA3D The HA3D operates on two AA alkaline cells for approximately 8 hours into 56 ohm head phones at nominal levels The audio performance of the HA3D does not vary throughout the life of the batteries Several factors affect battery life including battery chemistry ambient temperature of operation headphone impedances headphone drive levels and the number of headphones in use The chart below can be used as a Starting point to estimate battery life Experimentation is recommended to determine battery life for each individual setup Battery Type Operational Characteristics Battery Life Popular alkaline powered idle Approx 15 hrs Popular alkaline driving 1 56 ohm headphones at nominal level Approx 8 hrs Popular alkaline driving 3 56 ohm headphones at high levels Approx 8 hrs Test conditions 25 C Battery Information Superlux recommends use alkaline or lithium batteries with HA3D for their higher capacity Lithium provides more capac ity longer operation hours better low temperat
10. ure ability and lighter weight Nickel Cadmium batteries are not recommended in the HA3D since these batteries have lower capacity per cell than other types and will result in very short service and the benefit of higher rush current from these batteries are not needed to operate HASD Headphones EOW Choose 9 Superlux provides wide selection of headphones Around the ears and in ear open semi open and closed Various sound styles for user to choose according to their preference A good headphones shall 1 Sound quality wide and uniform frequency respone 2 Clearity high sensitivity and low distortion 3 Comfortable light weight and optimised pressure around the ear and good head rests 4 Sound isolation for closed type Provides sound isolation for in the field application or in studio for fold back monitoring 5 Easy to use auto adjust to the best wearing position 6 Durable even handle brutally 7 Convenience easily change plug adapter easy to change long and short cable cable extension capability carrying pouch Superlux design manufacture and test the headphones with above considerations The cables can Sustained 35 000 times twisting test Patent head bend structure provides very strong support with very light weight for wearing comfort The HD668B is a Semi open dynamic headphones Sound quality meets the demanding professional record ing studio Patented sturdy
Download Pdf Manuals
Related Search