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楼主 |
发表于 2006-2-14 10:36:23
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比较一下:
K 701: Specifications
System: dynamic
Design: circumaural, open
Audio bandwidth: 10– 39,800 Hz
Efficiency: 105 dB SPL / V
Max. input power: 200 mW
Rated impedance: 62 ohms
Weight (without cable): ~ 235 g (8.3 oz.)
Cable: bi-wiring, 99.99% OFC, 3 m (10 ft.)
Stereo adapter: 6.3/3.5 mm (1/4 to 1/8)
k601
Specifications
Type Open−back, dynamic headphones
Efficiency 101 dB/V
Frequency range 12 Hz to 39,5 kHz
Rated impedance 120 ohms
Max. input power 200 mW
Cable single−sided, 99.99% oxygen−free cable, 3 m (10 ft.)
Connector 1,4" hard gold plated
Net weight (without 235 g (8.3 oz.)
hd650
Technical data
Frequency response 16 – 30,000 Hz (-3 dB)
10 – 39,500 Hz (-10 dB)
Acoustic principle dynamic, "open-aire"
Frequency curve diffuse-field loudness
equalization
Nominal impedance 300 Ω
Sound pressure level at 1 kHz 103 dB (1 Vrms)
Long-term max. input power 500 mW as per EN 60-268-7
THD ≤ 0.05 %
Sound coupling to the ear circumaural
Headphone caliper pressure approx. 3.4 N ± 0.3 N
Weight (without cable) 260 g
Plug 6.3 mm ∅ stereo jack
Adapter 6.3 --> 3.5 mm ∅ stereo jack
Connecting cable OFC signal cable, 3 m
hd600
TECHNICAL DATA
Frequency response 16 - 30.000 Hz (-3 dB)
12 - 38.000 Hz (-10 dB)
Acoustic principle dynamic, "open-aire"
Frequency curve diffuse-field loudness equalization
Nominal impedance 300 Ω
Sensitivity at 1 kHz 97 dB
Power handling capability 0.2 W as per DIN 45580
THD (as per DIN 45500) ≤ 0,1 %
Sound coupling to the ear circumaural
Headphone caliper pressure approx. 2.5 N
Weight (without cable) 260 g
Plug 3.5 / 6.3 mm ø stereo jack
Connecting cable OFC signal cable, 3 m |
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