HA3D Headphones Distribution Amplifier User Guide and Technical Information
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.
Specifications Frequency Response: 10Hz-50 kHz,+/-1.0dB, any input to any output, gain control set to 50% Voltage Gain: Gain Loop Out Headphone output (1,2,3) Bal. Line -3 dB 34dB HP Input -1 dB 35 dB Output Clipping Level: +18dBu minimum with 600 ohm load +16dBu minimum with 300 ohm load Headphone Output impedance: 200 ohms Input Clipping Level: XLR:+24 dBu Dynamic Range: ≥120 dB (Balanced line inputs) THD + Noise: 0.
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 Switch Powers the unit from either Internal batteries, or External DC.
Input Panel connecters 1.XLR Line Inputs Line level, balanced inputs. 2.1/4- Inch and l/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.
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 additional HA3D amplifiers with the included Link cable. The headphone outputs of portable audio electronics can be connected to the HA3D for additional headphone feeds.
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 damage. Powering the HA3D The HA3D operates on two AA alkaline cells for approximately 8 hours into 56 ohm head- phones (at nominal levels).
Headphones Headphones 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.
FIELD MIXER Stereo condenser mic Related Products While the public enjoy the music through headphones and speakers, making music/recording/video taping seems far away from the daily living. Vocal Mic Ribbon Mic 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.
LIMITED WARRANTY Superlux Enterprise warrants all materials and workmanship under use as instructed by 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.
marketing and sales Superlux, Taiwan +886-2-26931323 sales@superlux.com.tw manufacturing & logistics. Superlux Enterprise Development(Shanghai)Co., Ltd. superlux.tw 2009, SUPERLUX Inc. LB100HA3D02EN (Rev.
