Opera

Beijingi, China

Opera Audio specializes in the development and research of tube audio amplifiers. The goal of realizing the beauty of music since the establishment of the company 14 years ago has not been changed. "Simple, Human" refers to revealing as much as possible the original spirit and artistic content of music. To fill a static, cold machine with solid cultural content and artistic energy, until the greatest visual and musical satisfaction is reached

Droplet LP5.0 Turntable System with Special Made Stand

Suspension: Mass-laoded on 3 point solid aluminum domes
Plinth: One piece machined anodized aluminum.
Platter: Machined 67mm acrylic contoured to match record surface (indent for record label)
Bearing: Large diameter inverted fixed spindle with polished ceramic ball on teflon thrust plate.
Motor: German manufactured precision hi torque AC motor with pully (33+45rpm).
Drive: Rubber drive belt

Droplet CDP3.1 CD Player

Digital / Analog Converters : AD1853,SRC4193
0dBFS signal output: 2.5V RMS RCA
Output Terminals: Gold plated Phono/RCA unbalanced
Frequency response: Less than +/- 0.1 dB deviation 20Hz-20kHz
Phase response: Less than 2 degrees deviation 20Hz-20kHz
Signal-to-noise ratio: More than 100dB
Crosstalk: Less than -100dB
Distortion (RCA): Less than 0.003%
Intermodulation: Less than 0.002% (19kHz + 20kHz)
Remote Control : Philips RC-5 compatible IR system 36kHz modulation frequency
Dimensions / Weight 14cm x 38cm x 43cm (HxWxD) / 20kg

Forbidden City - Liu Turn Table

Turntable specifications:
Wow and Flutter: Less than 0.2.
Rumble: Greater than 80dB down.
Speed accuracy: Within 0.01%.
Motor AC power connection : 220V~240V 50Hz / 100V~120V 60Hz AC dependent on country

ST600 Tone Arm

Pivot system : Oil damping unipivot dynamic balance system

Forbidden City - Ping All-in-one Amplifier

Mains Supply: 230V / 50Hz or 115V / 60 Hz.

Amplifier section:
Power output : 100W + 100W at 8 Ohms
Minimum load : 4 ohms speakers can be connected
CH Sources : one remote controllable inputs switched by gold plated relays
Frequency response : Less than +/- 0.1 dB deviation 20Hz-80kHz
Phase response : Less than 2 degrees deviation 20Hz-80kHz
Signal-to-noise ratio : More than 95dB
Crosstalk : Less than -100dB
Distortion : Less than 0.015% at 80W 8 0hms
Remote Control : RC-5 compatible IR system 36kHz modulation
FM/AM tuner, USB. socket.

CD section :
DAC resolution : 16bit TDA1543
Frequency response : Less than +/- 0.5 dB deviation 20Hz-20kHz
Phase response : Less than 5 degrees deviation 20Hz-20kHz
Signal-to-noise ratio : More than 100dB
Crosstalk : Less than -100dB
Distortion (RCA) : Less than 0.12 %

Forbidden City Orteo High-end CD-player

Linear technology (applied to CDplayer):
-Non-oversampling, no digital filter
-J-FET/Transisters filter, no op-amp at all
-Passive I/V conversion In progression
-Short pass length, less number of parts

Specifications:
DAC resolution 16bit TDA1543X4
0dBFS signal output 2.35V RMS
Output Terminals Gold plated Tube RCA unbalanced
Frequency response Less than +/- 0.5 dB deviation 20Hz-20kHz
Signal-to-noise ratio More than 100dB
Crosstalk Less than -100dB
Distortion (RCA) Less than 0.12 %
Remote Control Philips RC-5 compatible IR system 36kHz modulation frequency
Dimensions / Weight : 11cm x 45cm x 33cm (HxWxD) / 18kg

CYBER-10 Multifunctional Tube Amplifier

Control Functions: Volume, Mode Switch, Power On/Off and Triode / Ultra linear Switch
Power Output: 12watt ( Ultra linear ) / 8watt ( Triode ) RMS 1kHz
Total Harmonic Distortion: less than 1%( 5 watt, 1kHz )
Frequency Response: ( -3dB points at 5 watt ) 6Hz-60kHz
Input Sensitivity: 280mV
Input Impedance: 100k ohms
Output Impedance: 4,8 ohms(speaker) / 10-600 ohms (headphone) User selectable.
Signal/Noise: 90dB
Consumption: 86watt
Input Interfaces: 3 groups (RCA) , 1 group USB port
Output Interfaces: speaker terminals / headphone jacks x 2
Overall Negative Feedback: Little ( -3dB )
Vacuum Tube: KT88 / 6550 x2,ECC82 x1,ECC81 x1
Dimensions: 320 ( L ) x 260 ( W ) x 150( H ) mm
Weight: 15kg ( packed )