Thursday, January 23, 2014

audio-technica ATH-909




規格

Headphone Type: Openback
Driver Type: Dynamic
Driver Size: 44 mm
Frequency Response: 20 - 21000 Hz
Impedance: 600 ohms
Sensitivity: 96 dB
Max input: 120 mW
Weight: 195 g
Cable: 3 m
Plug Type: 6.3 mm
Release Year: 1987

Wednesday, January 15, 2014

beyerdynamic T1




規格

官網: http://europe.beyerdynamic.com/shop/t-1.html

Headphone design (operating principle): Semi-open
Headphone impedance: 600 ohms
Headphone frequency response: 5 - 50.000 Hz
Nominal sound pressure level: 102 dB
Construction: Circumaural (around the ear)
Cable & plug: Straight connecting cable with ¼“ stereo jack plug (6.35 mm)
Net weight without packaging: 530 g

Sunday, January 05, 2014

Sennheiser HD580 Jubilee




規格

官網: http://94.100.244.130/sennheiser/old_manual.nsf/resources/HD580.pdf/$File/HD580.pdf

Type: open-air, diffuse-field–compensated circumaural headphones
Transducer Principal: dynamic diaphragm
Frequency Response: 16Hz–30kHz ±1dB
THD: <0.1%
Nominal Impedance: 300 ohms
Sensitivity at 1kHz: 97dB
Headband Pressure: approximately 2.5 Newtons
Release Year: 1995
Production: 4000