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发表于 2001-3-29 01:51:00
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HE 90 / HEV 90
Orpheus <>The Orpheus combination offers the audiophile the ultimate in reference sound reproduction. <> Features
HE 90 headphone
Electrostatic transducer principle
1 &micro;m diaphragm, gold-plated using vapour technique
Electrodes made from special glass
HEV 90 amplifier
High end valve (vacuum tube) amplifier
All valve analogue signal path
On-board dedicated bitstream digital to analogue converter
Technical Data - Headphone
Transducer principle electrostatic
Ear coupling circumaural
Frequency response 7 - 100,000 Hz (-10 dB)
14 - 85,000 Hz (- 6 dB)
25 - 75,000 Hz (- 3 dB)
Frequency range diffuse field equalised
Contact pressure 4.6 N
THD at SPL of 110 dB (94 dB) < 0.1 % (< 0.01 %)
Nominal sensitivity (V = 100 V) >/= 98 dB/1 kHz
Polarisation voltage 500 V
Contact pressure 3.6 N
Weight (without cable) 365 g
Connector 5-pin HV plug
Connection cable 3 m, 6-core OFC copper cable,
gold-plated contacts
Dimensions 19 x 10 x 21.5 cm <>
Technical Data - Amplifier
Amplitude linearity 10 - 20,000 Hz (- 0.25 dB)
Unweighted S/N ratio >/= 80 dB
THD (1 kHz) < 0.01 %
Sensitivity/impedance 10.000 ohms
Talk-over muting (1 kHz) >/= 80 dB
Output voltage 400 Veff
Line inputs (switchable) optical, digital (Toslink) co-axial, digital (RCA phono)(automatic recognition of incoming sampling frequency) co-axial,
analogue (RCA phono)
Outputs for 2 HE 90 headphones
Weight approx. 13 kg
Dimensions 53 x 34 x 15.5 cm <> |
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