HAD AudioLAB CYCLONE GM70 SE integrated amplifier

HAD AudioLAB CYCLONE GM70 SE integrated amplifier is a true DHT SE power. Designed as very powerful and reliable directly heated triode GM-70 has long be known to fans of triode sound. When properly drives, sound of this 28W power is completely transparent and linear. In our construction, there is no mystery - high-quality output transformer, mixed bias (automatic and fixed 70:30), richly designed power supply.

Topology: Single Ended Class "A"
Power Output: 28 Watts @ 1 kHz 8 ohms
Frequency Response: 20 Hz to 47 kHz +-3dB (on declare power)
Input Impedance: 50 kohm
Input Sensitivity 1V - zero feedback 1,3 V - 3dB feedback (RMS)
Noise: 2mV/8ohm zero feedback, 1,2mV/8ohm 3dB feedback
Driver tube: ECC88 (or 6922, 6DJ8, 6n23p), 6SN7 (or 6N8S)
Power tube: GM-70
Rectifier tube: 6X5 (for driver stage)
Power Req./pcs: 220 to 240(110 to 120) V AC - 50 to 60 Hz, 380VA