Black Ice Audio F22 Tube Integrated Amplifier

Description

MY TAKE: Black Ice Audio (formerly Jolida) offers some of the best sounding highest value tube gear on the market, and have for years. They have a long and proven track record and are recognized around their world for a wide range of outstanding products. Looking for cost-effective tube gear? Look no further than Jolida. – Galen Carol

The F22 tube integrated amplifier -

FEATURES:  

• Fully Integrated Stereo Amplifier: Input 1 V driving 50 to 60 watts, maximum 75 watts output.
• Multiple Inputs: Touch control selector switch
• Features: Uses EL34 or 6550 tubes. Fixed and Subwoofer output. Remote control and touch sensor on/off switch. Tube-based headphone output.
• Custom Wound Audio Transformers with a core of German grain oriented silicon steel. The output transformers are based on the Hafler design.
• Exact Bias System: Top panel bias testing terminal with bias adjustment controls and built in meter.
• State of the Art Components: ALPS Blue audio potentiometer, gold plated RCA input jacks, Black Ice Audio coupling caps.
• Low Feedback Design: Only 4.5 dB    

SPECIFICATIONS:

Maximum Power Output:   75 W per channel at 8 ohms,  1KHz with 6550 Tubes   /   65 W per channel at 8 ohms,  1KHz with EL34 Tubes
Rated Output Power:   60 W per ch @ 8 ohms, 25Hz to 60KHz with 6550 Tubes  /  50 W per ch @ 8 ohms, 28Hz to 72KHz with EL34 Tubes
Frequency Response:    (at 1 watt into 8 ohms) 8Hz to 130KHz   + 1dB
Bandwidth:    15Hz to 80KHz + 3dB; 0dB 60 W 1KHz
Distortion THD:  Less than 1% at 20 V output, 28Hz to 15KHz
Circuit Type:  Fully Balanced differential push pull
Input Impedance: 100Kohms
Input Sensitivity:  1V at 1KHz for 50/60 watt output
Output Impedance:  4 ohms and 8 ohms
Negative Feedback:  Less than 4.5 dB
Noise and Hum:  95dB below rated output
Tube Complement:  4 pcs. EL34 or 6550 power output; 4 pcs. 12AX7A/ECC83
Power Requirements: 110V-120 VAC 60Hz 6 watts-standby, 450 watts maximum (220 VAC 50Hz option)
Dimensions: 14.5 inches (37cm) wide by 11.5 inches (29cm) deep by 7.5 inches (19 cm) high
Weight: 32 pounds (14.5 Kg) net, approximately 43 pounds (19.5 Kg) packaged
Warranty: Two year limited parts and labor. One year or 1000 hours whichever comes first on Black Ice Audio Tubes.                
Bias Settings: 40 milliamps + 4 mA for EL 34s, 50 milliamps + 5 mA for 6550s  
Fuse: 110 - 120 VAC, 6.3 Amp slo Blo; 200 - 240 VAC, 3.15 Amp slo Blo     Size 5mm X 20mm