Superlux HD669 Manual De Instrucciones página 2

HD669
Extended frequency response for
Studio
accurate reliable sound reproduction
Use as monitoring headphones in a
Standard
noisy environment
Broadcast and TV applications
Headphones
Film and theatre applications
Recording applications
Instruction Manual
The HD669 is a closed-back dynamic
headphones. Sound quality meets the
demanding professional recording studio.
Patented sturdy structure provides long-lasting
durability even in challenge condition. Light
weight and optimized mechanical pressure
provides long-term wearing comfort. 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
requires. Included cable clip can secure
detachable cable from pulling out by incident.
g 1
Features
y
Professional monitoring headphones
y
High resolution drivers
y
Precision tuned acoustic chamber
y
Extended bass response
y
Patented durable structure
y
Comfort autio fit head pads
y
Comfortable, long-lasting ear pads
y
Detachable, single side cable
y
Optimized headband pressure
y
Light weight
y
Cable clip included
Technical data
Frequency response
10 – 30,000Hz
Acoustic principle
Dynamic, closed-back
Nominal impedance
56 Ω
Sound pressure level at 1KHz
98dB SPL (1mW)
Long-term max. input power
200 mW
THD
≤0.3%
Headphone caliper pressure
Approx. 5N
Weight (without cable)
225g / 7.9oz
Plug
3.5 mm stereo gold coated plug
Adapter
3.5mm to 6.3 stereo gold coated plug
Connecting cable Detachable
1M and 3M, straight, Φ3.5
Attention
Hearing Damage
Avoid using headphones with the volume
turned up for an extended period of time.
Following are guide line by Occupational
Safety and Health Administration and
CDC, NIOSH:
Occupational NIOSH
dB SPL noise exposure and CDC
1991 2002
85 8 hours
88 8 hours (90dB SPL) 4 hours
91 6 hours (92dB SPL) 2 hours
94 4 hours (95dB SPL) 1 hour
97 3 hours 30 min
100 2 hours 15 min
103 1.5 hours (102dB SPL) 7.5 min
106 1 hour (105dB SPL) < 4 min
109 30 min (110dB SPL) < 2 min
112 ~ 1 min
115 15 min ~ 30 sec
g
2