The Telefunken ECC82-TK/12AU7 Black Diamond Series Vacuum Tube is ideal for use in hi-fi equipment and instrument amplifiers in homes, studios, and live stage applications. Offering medium gain and low noise, this dual triode tube can also be used to replace ECC81/12AX7 tubes when lower gain is desired. The ECC82-TK/12AU7 is characterized by its brightness, flat midrange, focused low frequencies, and versatile dynamics. It features gold-plated pins and a gold-plated internal grid for enhanced signal integrity.

Dual Triode Vacuum Tube    Low-Gain Replacement for ECC81/12AX7    Ideal for Hi-Fi Gear & Instrument Amps    Medium Gain & Low Noise    Enhanced Brightness & Dynamics    Flat Midrange & Tight Low Frequencies    Gold-Plated Pins & Internal Grid

Newly manufactured and cryogenically treated rendition of the classic ECC82 dual triode vacuum tube, commonly known by the American designation 12AU7

Great for hi-fi equipment, instrument amplifiers, and as a low-noise line amp, driver, and phase inverter in push-pull amplifier circuits

Suitable replacement for an ECC81/12AX7 when lower gain is desired

Medium gain and low noise characteristics

Bright tone with a flat midrange and tight low end

Accurate and focused image with wide dynamics

Each tube is meticulously measured for all critical parameters of performance including transconductance, gain, noise, and microphonics

Tubes are selected by hand, rigorously tested, subjected to an extended burn-in period for stability, and re-measured before final packing

Related Questions and Answers

Q: 1. this product new or secondhand?

A: This is a brand new item. All products purchased from B&H are brand new in the original factory box including packaging, all factory included accessories and factory warranty, unless otherwise stated to be USED, Refurbished, Open Box, or Demo.

Q: 2. what is this? recreation? Old New Stock

A: The Telefunken VF14K Replacement Tube is a brand new replacement for the original VF14M or VF14 vacuum tube that was used in the original Neumann and Telefunken U47 and U48 large diaphragm microphone models. The VF14K tube is designed to fit directly into the tube socket of a U47 or U48 mic made by Neumann or Telefunken, and without the need for any modifications.

Q: 3. Would the tube work in a Rode NTK? And is this tube manufactured in Germany?

A: This twin- triode tube is made in the Slovak Republic, and is also known as the 6922, which can be used as replacement valve for the Rode NTK microphone.

Q: 4. What version of Windows does the USB-recording feature require? Can I attach it to my Win 7-32bit PC?

A: This interface comes with a free version of Tracktion recording software which will run on Windows 7 with a minimum Intel Core 2 Duo 2 GHz Processor, 5400 RPM Hard Drive, and 4 GB RAM (8GB recommended).

Q: 5. WIll this card work with Nikon D850 after installing the Version 1.20 firmware update which supports CFexpress cards? Anyone have success with that combination?

A: Yes. Card will support buffer rate of camera.

Q: 6. What type of filter bag does this model need?

A: The replacement bag is DV-5PBRP which are the filter bags.

Q: 7. Will my San Disk cfexpress reader read the Lexar cards?

A: Yes, a SanDisk CFexpress card reader will read Lexar CFexpress cards.

Q: 8. Do these have balanced matched triodes?

A: Yes they do. They are a matched pair of Telefunken E88CC-TK/6922 Black Diamond Series Vacuum Tubes.

Q: 9. MFR #117-117513 Does this Metrovac model have a variable speed control?

A: No.

Q: 10. is this new or seacondhand?

A: This is a brand new ittem: All products purchased from B&H are brand new in the original factory box including packaging, all factory included accessories and factory warranty, unless otherwise stated to be USED, Refurbished, Open Box, or Demo.