Sound Devices HX-3 Bruksanvisning

Sound Devices mottagare HX-3

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HX-3
Headphone Distribution Amplifier
User Guide and Technical Information
Sound Devices, LLC
E7556 State Rd. 23/33 • Reedsburg, WI • USA
+1 (608) 524-0625 • fax: +1 (608) 524-0655
Toll-Free: (800) 505-0625
www.sounddevices.com
support@sounddevices.com
HX-3 User Guide and Technical Information
2
Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
The HX-3 from Sound Devices is a portable, stereo headphone amplifier designed for critical audio
monitoring. The audiophile-quality headphone amp is ideal for adding headphone feeds for portable
and studio applications.
The HX-3 provides three independent headphone feeds from balanced or unbalanced, line sources. Each
headphone output has its own level control, peak LED, and ¼-inch output connector. With its extended
bandwidth and high drive capability the HX-3 can drive headphones of various impedances to high
levels with very low distortion, important for monitoring in high SPL environments. It is powered from
two-AA batteries or external DC.
The HX-3 will provide years of superb audio performance under the most punishing field conditions.
High Performance Headphone Amplifier
• Three independent headphone outputs with individual volume controls.
• Dynamic range exceeding 120dB.
• 10 Hz to 50 kHz audio bandwidth.
• Capable of driving headphones to high levels with very low distortion.
• Peak indicators show overload of each headphone feed.
• Stereo / Mono switch.
Flexible Inputs / Outputs
• Two balanced XLR line level inputs or unbalanced ¼-inch and 1/8-inch stereo inputs.
• Loop output to connect additional HX-3’s in series for extra headphone outputs.
Flexible Powering
• Internal battery power (two AA) for convenient, low cost power.
• Excellent battery life - greater than 10 hours (nominal drive level with alkaline batteries).
• External 5-17 VDC powering.
Durable Mechanical Construction
• High strength aluminum chassis withstands punishing field conditions.
• Strap loops on each side for easy mounting or wearing.
• Panel-mounted connectors for strength and reliability.
• Easy access battery compartment for quick battery changes.
HX-3 User Guide and Technical Information
3
Frequency Response: 10 Hz – 50 kHz, +/-1.0 dB, any input to any output, gain control set to 50%
Voltage Gain: Gain Loop Out Headphone Output (1,2,3)
Bal. Line –3 dB 34 dB
HP Input –1 dB 35 dB
Output Clipping Level: +18 dBu minimum with 600 ohm load
+16 dBu minimum with 300 ohm load
Headphone Output Impedance: 200 ohms
Input Clipping Level: XLR: +24 dBu minimum
Dynamic Range:
(Balanced line inputs)
120 dB minimum
THD + Noise: 0.03% maximum (from 10 Hz – 22 kHz @ +10 dBu input and output level, 300 ohm load, 10 Hz – 22
kHz filter bandwidth)
Inputs: 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 (balanced or unbalanced) should be connected at a time.
Loop Output: Unbalanced, 200 ohm output impedance
Internal Voltage Rails: ±15 V and –15V, regulated
Power: Internal: 2 AA alkaline batteries, 12 hours life typical driving one 75 ohm headset.
External: 5–17 VDC 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 inter-
nal 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.
Operating Temperature Range: 0 to 70 C °
32 to 160 F °
Dimensions: 43 mm x 94 mm x 140 mm (h x w x d)
(1.7” x 3.7” x 5.55”)
Weight: (unit only) 0.56 kg, 1.24 lbs.
Included Accessories: 1/4-inch to 1/8-inch
Tip-Ring-Sleeve interconnect cable
rubber feet (4)

Produktspecifikationer

Varumärke: Sound Devices
Kategori: mottagare
Modell: HX-3

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