Enhanced GE 5654 / 5654W / 6AK5 / 6AK5W Electron Vacuum Tube offered by General Electric (GE) Review

Very good cheap upgrade for my little Fosi preamp. Using a preamp to match the Bluetooth adapter output to the CD player. Vintage Carver receiver from the 80s and black and white speakers. There's no difference between day and night, but it feels like the soundstage is revealed. It just sounds a little more natural to my ears. Less tired ears at high volume. The tubes were shipped quickly and securely packaged. I highly recommend both the product and the seller.

Great replacement for a Chinese branded whistle. The sound quality is much better. My only downside is that I was under the impression that the suggested price is for 2 pieces. Tubes as shown in promotional image. When I received the item I was very surprised that I only paid for one piece. I was misled by this image in your ads. Please make the necessary corrections to make the listing understandable for your potential buyer. My purchase intention is to replace both Chinese brand tubes in my…

As there were a few whistles on Revine I thought I'd order a pair but only one came. I had to order a second one. Other than that it was a nice upgrade from what I had, a Dynaco ST 80 solid state power amp with a Little Dot MK II tube amp as the preamp. These are flea market and flea market finds. The speakers are a pair of Audio Nirvana 8" with Alnico magnets. I set it up as a stereo for use with my office computer. Just started listening for the first time (while my wife is in the shop)…