Parts for Vintage Equipment
Where to get vintage gear spares? Over the last 6 months I have received quite a few mails from desperate individuals wishing to restore their...
Oscillators for the Newbie – Positive Feedback
Some of the best known oscillators - for the beginner For those interested in electronic circuits it's almost impossible to stay clear of the humble oscillator....
The Ring-Bridge Modulator
Ring Bridge Modulation (for SSB transmission services) It's not an unknown secret that ring-bridge modulation was used extensively in early music synthesisers but where we...
The Harman/Kardon AVR161S
Home Theatre AVR161S 5.1 harman/kardon Being pretty frugal when it comes to buying audio equipment I felt it time to replace my tattered old 2004...