The new Black Ice Audio F11 is a cutting-edge EL84-based integrated stereo tube with a maximum output of 25 WPC.

BLACK CHASSIS ARE NOW SOLD OUT.

THE BLACK ICE AUDIO FUSION F11

The Fusion F11 is a dual chassis design laced with carbon fiber and mirror-finished glass panels decked out with LED backlit touch sensors, that provide a rigid home for one of the newest circuits to date. The Odyssey Circuit is a dual-phase V-drive circuit that is one of a kind paired with our custom designed German grain oriented silicon steel core transformer based on the Hafler design. With EL84 power tubes, it pumps out 23 - 25 watts of pure tube magic depending on the power tubes. Using the Exact Biasing Vu meter, biasing the tubes is a breeze. The F11 features 4 RCA inputs, a sub out, and a chunky metal remote to keep you in control. The F11 final assembly and burn in is done by hand in our Maryland workshop.

The F11 is a mighty headphone amp that uses the extremely musical EL84 tube. The headphone output is all tube, tapped from the speaker path with a resistor to keep your headphones safe.

Here are the peak power levels with the Upgraded tubes we offer.

• Electro Harmonics EL84 (12 WPC). Platinum Match.  Well-balanced for simplistic music like jazz and vocals or dynamic music like rock, hip-hop, and big classical. The sound will have neutral highs and liquid mid-range with strong controlled bass. The bass will roll off between 22 and 23 Hz, providing more slam and dynamics.

  
  

• Gold Lion EL84 (23 WPC) Brings you smoother highs, more energy and air in the upper mid-range, and tighter bass with more extension than the already excellent stock Electro-Harmonix EL84 tube. This is a great first tube upgrade for the F11.

  
  

• Tung Sol 7189 (25WPC) Adds about 2 watts of extra power over the standard EL84. In addition to fuller bass and excellent mids. The 7189 has a great upper mid range. These tubes give the FX10 and F11 some more presence with hard to drive speakers. These should be part of your tube collection if you are an EL84 lover like us. We are not sure how long the supply will last.

  
  

Please Note: Upgraded tubes take the place of the stock tubes, you will only receive one set of power tubes.

TUNABLE SIGNATURE SOUND

The signature sound of the F 11 is a fine line of transparency and musicality that results in an accurate, yet organic & natural washing-over effect. Because of the transparency power and signal tube choice will have a major impact on the overall sound of the amplifier. Unlike other manufacturers where the circuits in their equipment require you to use a certain type of tube and brand with their products, the Black Ice Audio amplifiers make it easy for you to roll different types and brands. With the use of the onboard meter and the tuning wand provided with the product, you’re able to bias accordingly. It’s that easy.

AMAZING CONTROL

The Odyssey Circuit gives our pure tube amplifiers the bass performance of solid state. You get all the smooth detail in the highs and 3D holographic mid-range of tubes but maintain that tightly controlled bass that solid state amplifiers are known for. No other pure tube amp can compete with our Odyssey Circuit.

LOW NEGATIVE FEEDBACK

We only need 4.5 dB of negative feedback to control any oscillation in our circuit because we only use 2 gain stages in our amplifiers. Less negative feedback means a cleaner signal and better sound reproduction. Typical tube amplifiers can use up to 6 gain stages which add magnitudes of distortion to the signal and need as much as 20dB of negative feedback to control. Negative feedback in amplifiers is like scrubbing a stained white T-shirt. The darker the stain the harder it is to remove, if you have a light stain(2 gain stages) you can remove all of it easily(4.5 dB). A really dark stain(6 gain stages) and you have to scrub it very hard(20 Db), you won’t totally remove it, and you will likely damage the fibers of the T-shirt in the process.

MAXIMUM DYNAMICS and CLASS A CURRENT

We design all of our amplifiers to have full dynamics at low power. Current is what drives speakers! To maximize available current we designed the circuit to exploit the Triode side of the tube with maximum efficiency producing the most Class A current possible before we leverage the Pentode and push/pull for overdrive. Our amplifiers can drive inefficient speakers with ease and our watts per channel rating is not a reflection of our true power.

EXACT TUBE BIASING SYSTEM

We know how difficult and time consuming biasing tubes can be. So we incorporated Exact Biasing into the design to make it as easy as possible. The centralized backlit Vu Meter and the Biasing selector switch make checking the bias amperage in real time simple with a turn of the knob. Using the provided tuning wand and the backlit Vu Meter each tube can be biased exactly where you want it.

ULTRA FAST CIRCUIT TRACES

We use only two circuit boards: The control board signal/power supply board is integrated to lower the chance of failure and shorten the path for electrons to flow. A shorter path means that there is less opportunity for interference or noise to be introduced into the signal. Superior to P2P design.

HEADPHONE OUTPUT

The signal is tapped off the output transformers / no solid state devices. We use resistors to lower the voltage to the output

SUBWOOFER OUTPUT

Dedicated subwoofer out to easily connect a subwoofer.

BLACK ICE AUDIO TECHNOLOGY

INCLUDED IN THE BOX

• F11 Integrated Amplifier

  
  

• F11 Remote Control

  
  

• 4 Power Tubes

  
  

• 4 12AX7 Signal Tubes

  
  

• Bias Tuning Tool

  
  

• Power Cord

  
  

• Dust Cover Bag