
( Brand: Mullard ), ( Manufacturer Part Number: 12AU7-WA ), ( Model: 12AU7A ECC82 ), ( Type: Preamp Tubes ), ( Bundle Description: For Drake Bogen Mcintosh Hallicrafters Radio Ampeg Amp ), ( Custom Bundle: Yes ), ( Country/region Of Manufacture: United Kingdom ), ( Modified Item: No )
The Mullard 12AU7-WA is a premium preamp tube hailing from the esteemed Mullard brand, a subsidiary of EMI, which was renowned for its high-quality audio components. This particular tube is a 12AU7 variant, also known as an ECC82 or a 6AV6 in some regions, and it boasts a tall 17mm plate design.
The Mullard 12AU7-WA is manufactured in the United Kingdom, reflecting the brand's rich heritage in audio technology. This tube is widely used in a variety of audio applications, including preamplifiers, phase inverters, and even some types of power amplifiers. Its tall 17mm plate design allows for a larger surface area for the plate electrode, which can potentially improve the tube's power handling and efficiency.
In terms of technical specifications, the Mullard 12AU7-WA has a plate voltage range of 250V to 350V, a plate current of 0.35A, and a heater voltage of 6.3V. It operates at a frequency range of 20Hz to 20kHz, making it suitable for a wide range of audio signals. The tube's gain is approximately 6dB, providing a subtle yet noticeable amplification to the input signal.
The Mullard 12AU7-WA is known for its warm, smooth, and rich sound character. It is often preferred for its ability to add a touch of tube warmth to the sound without overly coloring the signal. Its high input impedance ensures that it maintains the integrity of the input signal, while its low output impedance allows for easy coupling to the next stage in the audio chain.
In summary, the Mullard 12AU7-WA is a high-quality preamp tube with a rich history and a reputation for delivering a warm, smooth, and rich sound. Its tall 17mm plate design allows for improved power handling and efficiency, making it a versatile choice for a variety of audio applications.
Pros of buying Mullard 12AU7-WA (or equivalent ECC82/12AU7A/12AT7) preamp tubes:1. Known for their high-quality and long-lasting performance.
2. Produce a warm, smooth, and musical sound.
3. Offer a good balance between high and low frequencies.
4. Can handle a wide range of voltages and currents, making them versatile for various applications.
5. Manufactured in the UK, ensuring a certain level of quality control.
Cons of buying Mullard 12AU7-WA preamp tubes:1. Slightly more expensive than other brands due to their reputation and high-quality materials.
2. Availability may be limited, especially if you're looking for new tubes.
3. Some users have reported issues with leakage and contamination in older tubes, although this is less common with newer stock.
Conclusion:If you are an audiophile who values sound quality and is looking for a tube that can deliver a warm, smooth, and musical sound, the Mullard 12AU7-WA (or equivalent ECC82/12AU7A/12AT7) is a great choice. While they are slightly more expensive than other brands, their longevity and performance make them a worthwhile investment. Be aware of potential issues with older stock and ensure you purchase from a reputable dealer.
Recommendation:I recommend considering buying Mullard 12AU7-WA preamp tubes (or equivalent) for your audio equipment, especially if you prioritize sound quality and are looking for a tube that can last for a long time. Ensure you purchase from a reputable dealer to avoid any potential issues with older stock.
Shipping is done by USPS. It has tall gray plates and a top round fetter the code GI2 over B0H5 factory seamed glass backwards letter L on bottom between pins. Here is a vintage IEC by MULLARD 12AU7A ECC82 vacuum preamp tube that in excellent clean condition with good labeling and its original box, see pics for condition, testing all included. This is a vintage BRITIAN made by Mullard tube that tested good at 92/90, minimum 70 and max 130.
Guaranteed good to play.