Black Ice Audio Fusion F35 Integrated Amplifier



Arizona Sales Only

Integrated amplifer designed by Jim Fosgate.

55 watts/channel RMS delivered by EL34  vaccum tubes.

70 watts/channel RMS delivered by 6550  vaccum tubes.

Extremely low noise.

EZ biasing.

Remote control.

Available in black or silver.

Out of stock

Construction Details and Features 

o Fully Integrated Stereo Amplifier: Input 1 V driving 60 to 70 watts, maximum 85 watts output.
o Multiple Inputs: Touch control selector switch
o Features: Uses EL34 or 6550 tubes. Fixed and Subwoofer output. Remote control and touch sensor on/off switch. Tube based headphone output.
o Custom Wound Audio Transformers with a core of German grain oriented silicon steel. The output transformers are based on the Hafler design.
o Exact Bias System: Top panel bias testing terminal with bias adjustment controls and built in meter.
o State of the Art Components: ALPS Blue audio potentiometer, gold plated RCA input jacks, Black Ice Audion coupling caps.
o Low Feedback Design: Only 4.5 dB  


Maximum Power Output: 85 W per ch @ 8 ohms,  1KHz with 6550 Tubes / 75 W per ch @ 8 ohms, 1KHz with EL34 Tubes
Rated Output Power: 70W per ch @t 8 ohms, 25Hz to 60KHz with 6550 Tubes / 55W per ch @ 8 ohms, 28Hz to 72KHz with EL34 Tubes
Frequency Response: 8Hz to 130KHz   + 1dB  (at 1 watt into 8 ohms)
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 55/70 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 x. EL34 or 6550 power output; 4 x 12AX7A/ECC83
Power Requirements: 110V-120 VAC 60Hz 6 watts-standby, 450 watts maximum (220 VAC 50Hz option)
Dimensions: 17 inches wide by 15 inches deep by 8.5 inches high
Weight:  49 pounds net, approximately 60 pounds 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

Black Ice Audio is the new name for Jolida.

With final assembly performed in the US and critical parts like transformers sourced from Germany, tube manufacturer Black Ice Audio, formerly Jolida, has garnered an enviable reputation for high-performance products at real-world prices.

The new Black Ice products were designed by industry legend Jim Fosgate.