ΥΑΜΑΗΑ - GC2020B II 立体声压缩器/限制器 音频组件
编号 70033549
Frank - Pram stereo 30 - 电子管放大器
编号 70033549
Frank - Pram stereo 30 - 电子管放大器
Frank stereo ultra linear buizenversterker in absolute topstaat!
30 watt per kanaal en een geweldige sound.
Een juweel voor gemaakt van de mooiste materialen uit de jaren 60
Frank Pram 30 watts Ultra-linear Stereo tube amplifier.
Output power: 15 W per channel
Damping factor: 14, per channel
Transformers: ultra-linear type
Symmetrical push-pull output stages, in Class AB
Negative feedback: global on each amplifier (20 dB), plus 6 dB additional
Frequency response: 8 Hz to 80 kHz
Harmonic distortion: 0.1% at 10 watts
Intermodulation distortion: 0.4% at 10 watt
Tone control ranges: bass +15 to -15 dB at 50 Hz, treble +13 to -16 dB at 10 kHz
Cut-off filters: rumble -12 dB at 30 Hz, scratch -25 dB at 8 kHz
Loudness: according to Fletcher-Munson curves, 15 dB at 40 Hz
Inputs:
magnetic pick-up: sensitivity 3 mV, impedance 40 kΩ
tuner, tape, TV, aux: sensitivity 100 mV, impedance 500 kΩ
Output in 4 modes: Channel A, Channel B, Stereo, Reverse Stereo
Balance control.
Mono-Stereo switch.