Review – Tungsram ECC83 / 12AX7 Tube
When I first looked at these Tungsram ECC83 amplifier tubes I thought of vintage Mullards. I don’t know if they were using the old Mullard equipment to build them or if they were just trying…
Review – Electro-Harmonix 7025 Tube
Here’s something completely different from Russia. Electro Harmonix has released the all-new 7025 model and it’s quite a departure from their previous 12AX7 offering. Clearly this was new from the ground up and not a…
Review – Shuguang 12AX7A Tube
When the tube stockpiles dried up in the 80’s, and before modern tube production ramped up, there was little available on the market except the Shuguang 12AX7A vacuum tube. These 12AX7 amplifier tubes have been…
Review – JAN-GE 12AX7WA Tube
If you have a Fender amp from the 60’s this JAN-GE 12AX7WA vacuum tube was often used as original equipment. The JAN-GE 12AX7 amplifier tube is a classic and you won’t find a better replacement…
Review – Preferred Series 12AX7 Tube
The Preferred Series 12AX7 vacuum tube is a versatile, quiet amplifier tube that will be at home in just about anyone’s guitar or HIFI rig. In a Fender Champ they displayed no microphonics or rattling,…
Review – Gold Lion CV4004 / 12AX7 Tube
The Genalex brand has earned a reputation as the premium tubes coming out of Russia. The Genalex Gold Lion CV4004 / 12AX7 vacuum tube is a fine example of why they got there. Tube construction…
7 Ways To Prolong Your Tube’s Lifespan
Here’s an excellent post we thought you might like from producer, engineer, and musician, Kieran Whitehouse. If you’re anything like me then you have your guitars hung up on the wall at home, in pride of…
Review – JJ ECC803-S Tube
This JJ ECC803-S / 12AX7 vacuum tube offering has huge plates in its triode sections giving it a real punch with lots of gain. The larger plates combined with crimped construction may contribute to the…
Missing Vacuum Tube Pins, Uncovering The Mystery
Help! You sent me a tube without any pins!!! It isn’t unusual for us to get calls or emails from customers in regards to mysterious missing vacuum tube pins. The pins appear to be cut…
How It’s Made – Omnidirectional Speakers
Venture to any audio show and you are bound to see an abundance of speaker technology and designs that look more like art than anything. However when it comes right down to it, sound is…
