Opera Cyber211S/845S Dual Mono Electronic Tube Rear Stage Amplifier Gall Machine HiFi Audio Home

Pure Class A single ended amplification dual mono post stage, electronic tube high voltage rectification, 

manual scaffolding and silver wire cross-linking. The front panel current meter can be conveniently used for monitoring

 and adjusting the screen current value of the power tube. Design without large loop negative feedback.

Cyber211S Technical Parameters:

Output power: 16W x 2 (RMS 1kHz)

Harmonic distortion:<1% (10watt, 1kHz)

Frequency response: 5Hz-47kHz (-3dB)

Sensitivity: 0.6V

Input impedance: 100 k

Output impedance: 4 , 8

Signal to noise ratio: 90dB

Power consumption: 190W x 2

Input terminal: 1 group (RCA)

Electronic tubes: 2 x E88CC, 2 x 5687, 4 x 5AR4, 2 x 211

Weight: 35kg x 2 (including packaging)

Cyber845S Technical Parameters:

Output power: 28W x 2 (RMS 1kHz)

Harmonic distortion:<1% (15watt, 1kHz)

Frequency response: (-3dB) 5Hz-47kHz

Sensitivity: 0.7V

Input impedance: 100 k

Output impedance: 4 , 8

Signal to noise ratio: 90dB

Power consumption: 190W x 2

Input terminal: 1 group (RCA)

Electronic tubes: 2 x E88CC, 2 x 5687, 4 x 5AR4, 2 x 845

Size: 420 x 330 x 185 (W x D x H)

Weight: 35kg x 2 (including packaging)