BAT (Balanced Audio Technology) VK-40 Solid State Preamp with Optional Phono Card and Remote

$2,999

This VK-40 is equipped with the optional VK-P20 phono card ($500). The phono gain is factory-set at 58dB but can be changed to 44dB with a switch on the phono board (you just need to remove the top cover to make the switch). 

The included remote with your purchase is normally a separate $500 add-on option.

Note that you must have an amplifier with balanced XLR inputs in order to use this piece. Which most of you reading this right now will likely already have if you're shopping for a preamp in this price range and quality. It will accept two single ended RCA inputs (one utilized by the phono) so you don't have to worry about the source connections.

There are a few light scratches on the cover, but the faceplate is clean and the display is super legible and bright.  

Absolutely incredible build quality and performance for this price range.  Be sure to read the great Stereophile review online written by Robert Deutsch.

Click here for a PDF copy of the BAT VK-40 Owner's Manual

Description: Solid-state preamplifier with optional phono stage. Inputs: 3 balanced (XLR), 2 unbalanced (RCA). Main outputs: 2 XLR. Tape output: 1 RCA. Maximum voltage gain: 20dB. Frequency response: 2Hz-150kHz, -3dB. Crosstalk: -80dB at 10kHz. Input impedance: 100k ohms. Output impedance: 200 ohms. Minimum amplifier input impedance: 10k ohms, 3k ohms with optional Six-Pack. S/N Ratio: 96dB unweighted. Distortion at 2V RMS output: 0.01%. Maximum output: 20V RMS. Optional VK-P20 phono module: Voltage gain: 58dB or 44dB, selectable.
Dimensions: 19" W by 5.75" H by 15.5" D. Weight: 33 lbs.
Price: $4000; optional remote control, $500; optional Six-Pack capacitors, $500; VK-P20 phono module, $500. Approximate number of dealers: 55.
Manufacturer: Balanced Audio Technology, 800 First State Blvd., Wilmington, DE 19804.

Our Testing Process for Amplifiers (Solid State) at SkyFi:

We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and transistors are checked for signs of stress or damage.

We then power up the unit carefully and run a simple 1k sine wave while monitoring the output on an oscilloscope for signs of distortion or noise. Finally, we run the amplifier to its full rated power into the appropriate resistive load provided by our Sencore amplifier tester. If there is an issue, it will usually be noticeable at this point. If everything reads clean, we will often test for THD (Total Harmonic Distortion) measured by our Keithley distortion meter, and compare it against the original manufacturers specifications. The amplifier then remains powered on to "burn in" on our test bench for a few hours to make sure there are no heat related issues. If there are balanced inputs available they will be also be tested.

Final testing involves pushing actual music thorough the amplifier. We've learned over time that some issues are only noticeable to a trained ear while listening to familiar source material. Our test bench has reference vintage Kef speakers that we're very familiar with which quickly reveal any discrepancies. Some amplifiers will then move into our listening room where they are tested with our in-house reference speakers of choice.

Please click here for detailed specifics regarding our specialized packing process that separates us from the rest.

Item

Included

Original Box

No

Manual

Yes

Remote

Yes

Cables

Yes - Power

Physical Condition

8

Working Condition

10

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