B/HD681
Headphone Demo Station
Superlux is now offering you a unique platform for headphone demonstrations and displays. It is a sales kit which allows customers to test and compare various models of headphones. One kit can accommodate up to three headphones simultaneously. Powered by two AA batteries or AC power, it is easy to use and easy to move anywhere you want to exhibit your products.
Features
General Features
• A sales kit for testing and comparison
• Battery powered or AC powered
• Port for iPod Nano for music demos
• HA3D headphones amp included (Mic pre-amp is an option)
• Built-in external audio source input jack
• Built-in extra headphone output jack , making it easy to bring your own headphones for comparison
• Can be hung on a wall with thief- and pulling-proof or placed on a table and even fixed in place with screws if desired
Application
• Demo Station
• Multi-Functional Display
Specifications
HA3D Compact Headphone Amplifier
Frequency Response: 10-50,000 Hz, ±1.0 dB, any input to any output, gain control set to 50%
Voltage Gain: Gain, Loop Out, Headphone output, Bal. Line: -3 dB, 34 dB, HP Input: -1 dB, 35 dB
Output Clipping Level: +18 dBu Minimum with 600 Ω load; +16 dBu Minimum with 300 Ω load
Headphone Output impedance: 200 Ω
Input Clipping Level: XLR3F: +24 dBu
Dynamic Range: ≥120 dB (Balanced line inputs)
THD + Noise: 0.03% maximum (10-22,000 Hz @ +10 dBu input and output level, 300 Ω load, 10-22,000 Hz filter bandwidth)
Inputs: XLR3F electronically balanced, 22,000 Ω impedance 1/4" unbalanced, 9,100 Ω impedance 1/8" unbalanced, 9,100 Ω impedance, Note: only one set of inputs (balanced or unbalanced) should be connected at a time
Loop Output: Unbalanced, 200 Ω output impedance
Internal Voltage Rails: ±15V, regulated
Power: Internal: 2 AA alkaline batteries, 12 hours life typical driving one 75 Ω headset; External: 5-17 V via threaded coaxial connector, (5.5 mm outer diameter, 2.1 mm inner diameter), pin positive, sleeve negative. Voltages above 17 VDC cause no damage to unit, but will open an internal poly fuse. Poly fuse will reset when voltage is removed.
Power LED: Green indicates power and good battery. Red indicates power with low batteries. LED turns red when approximately 4 hours of battery life remain.
Finish: Black
Dimensions: H43 × W94 × D140 mm (H1.69" × W3.7" × D5.51" in.)
Net Weight (Unit Only): 560 g (19.75 oz.)
HD681 Professional Monitoring Headphones
Types: Dynamic, Semi-open
Driver: Ø50 mm, Neodymium
Sensitivity: 98 dB SPL (1 mW)
Frequency Response: 10-30,000 Hz
Max. Input Power: 300 mW
Rated Impedance: 32 Ω (Copper-coated aluminium wire)
Earpads: Latherette
Cables: 2.5 meter (8.2 ft.) straight
Connector: Gold-plated stereo mini plug plus 3.5-to-6.3 adapter
Weight (w/o cable): 230 g (8.11 oz)