Equipment Rebuilds and Upgrades


SVS PB2000 Subwoofer Upgrade My current sub configuration is composed of two front SVS PB12-NSD’s and two rear SVS SB2000’s. So when I was given the opportunity to “upgrade” my front NSD’s to a pair of the newer PB2000’s subs I though that the new combination might give me a […]

SVS PB2000 Subwoofer Upgrade


Very Low Noise Lentek Battery Power Supply – DIY Introduction So after decades of never knowing whether my Lentek head amplifier alkaline PP9 DC battery was OK I decide to replace it with a NiCd source that I could monitor its voltage and charge and discharge as required. It took […]

Very Low Noise Lentek Battery Power Supply – DIY


Linear Low Noise Analog Power Supplies – DIY This post contains affiliate links. Please see my full disclosure here. Updated test results – 09/28/2021, replaced original 9VAC transformer with 14VAC transformer. As a young teenage electronics enthusiast and licensed UK radio amateur (G8GBL), and all the way up to my early forties, […]

Linear Low Noise Analog Power Supplies – DIY



Phoenix Falcon Turntable Speed Controller – Power Supply Upgrade               As with many Hi-Fi and audiophile products designers often have to hit a price point. One of the most common ways of cutting costs is to use an external and inexpensive switched mode power […]

Phoenix Falcon Turntable Speed Controller – Power Supply Upgrade


MX-VYNL Analog Power Supply – Upgrade UPDATED: 8/28/2021. During my original review of the MX-VYNL phono pre-amplifier I discovered that its external, inexpensive switched mode supply, caused noise problems which I improved with the addition of a couple of ferrite beads on the DC power supply cord feeding the pre-amp. […]

MX-VYNL Analog Power Supply – Upgrade





Lentek Head Amplifier Upgrade Designed by Peter Baxandall for use with the Lentek Entre moving coil cartridge, this little gem has a lot to offer when paired with other moving coil cartridges and a high quality phono pre-amp like the MX-VYNL. With +28dB of gain and a low nose figure the […]

Lentek Head Amplifier Upgrade




Phono Cartridge Basics 101 2
Phono Cartridge Basics 101 As I am now in the market for a new cartridge, and maybe a new head amplifier or pre-amplifier, I thought a quick refresher course on cartridge basics would clear my head and help others who maybe in the same boat. Cartridge specifications alone are not […]

Phono Cartridge Basics 101


Thorens TD160S, Hadcock GH228S and Lentek Head Amp Upgrade and Rebuild 2
Thorens TD160S, Hadcock GH228S and Lentek Head Amp Upgrade and Rebuild For those wanting to improve their turntable systems this is a brief overview of my Thorens TD160S, Hadcock GH228S and Lentek Head Amp upgrade and rebuild. I have owned my Thorens TD160 Super, Hadcock GH228 Super, Lentek Entre 1 […]

Thorens TD160S, Hadcock GH228S and Lentek Head Amp Upgrade and Rebuild