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Mullard/RTC 5654 (6AK5W) Black Plate

2 Reviews
SKU: MU-6AK5W-5654

Availability: Usually ships within 24 hours.

USD $‎19.95

The 5654-RT tube was produced by Philips in the '80s.  This Mullard 6AK5W / 5654 tube has black plates with a large ventilation hole.  Our stock was packaged by RTC for French military.

The 6J1 tube found in the Yaqin CD buffers and Little Dot headphone amps can be replaced with this premium 5654/6AK5 tube for superior performance.

Replaces 6AK5, EF95, 6J1, and 5654 tube types.

Additional Information and Downloads

What does "NOS" mean, anyway?:

Commonly known as "NOS," the term New Old Stock simply refers to tubes that were made years ago but have never been used. Much like antiques, "NOS" tubes are currently not being manufactured and this means their supply is dwindling while the price continues to rise.

For most NOS tubes we have a variety of brands available. Typically these are the common brands such as RCA, Sylvania, GE, Raytheon, etc. However, there are instances where lesser known brands are in stock. If you have a particular brand you prefer you can simply request it in the Order Comment box when you place your order.

Warranty Information and Return Policy

Warranty Period: 3 months

All our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)

If you receive a tube that does not perform to the manufacturer's specifications, please do the following:

- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.

Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.

We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.

These guidelines may be updated without notice.

Ratings & Reviews

2 reviews

  • 4 stars
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  • 2 stars
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  • 1 star
  • 0 reviews

Good but there are better driver tubes


Bought these based on the description but was looking for a tube that can match the Siemens 6AK5W Blue Glass tubes I bought for my Little Dot MKII.
These are not bad tubes, however, I bought some Sylvania 6AK5W's for $10 that has better bass response than these RTC/Mullard Black Plate tubes.
Wish I could get the Blue Glass Siemens again but they seem impossible to find!



one of the very best drivertubes; perfect match with LD1+ and Burson 5Vi
I like it more than Voskhods in this combo