RIAA Preamplifiers on a Budget
Pre-amp Circuits for turntable MM or MC reproduction Apologies for the lack of updates over the last few weeks, our scribe has been off ill...
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...
More about DACs – the A/D Converter
The A/D Converter - pushing vinyl to digital The common and garden DAC can be picked up cheaply at most electronic stores, ready to run...
Transistor Equivalents – old equipment restoration
Where to find transistor equivalents? Restoring old gear can be a nightmare when it comes to some of the more obscure transistor types, and a...
Vintage Audio Vs Modern Technology
Is vintage audio better than modern releases? (post 2000) This reminds me of the first argument I had regarding the merits of mechanical VU meters...
Hybrid Amps
Hybrid Amps: Some more circuits Using the first article to get our creative juices flowing I found some more well written well designed amplifiers using...
Tube Semiconductor Hybrid Amplifiers
Tube and Semiconductor Combos - the best of both worlds An interesting project on the web is that of a 6SN7 Mosfet audio amplifier capable...
Winding your own OPT
Local suppliers - South Africa As an addendum to our previous article "Alternatives to Tube Output Transformers" we thought it pertinent to add a bit...
Inside the The ART Digital MPA II
The ART Digital MPA II - Solid state and tube preamplifier This was my first microphone preamplifier and admittedly it was a grudge purchase. I...
What’s a tube?
Radio Tubes or Valves Take your pick, tube or valve? All irrelevant - ones Americanism (tube) and the other English as in UK (valve). We...