Bespoke, everyone loves bespoke, and we are no different!
Here are three examples of bespoke amplifiers we have designed and delivered over the past few years
First up is a pair of bespoke 6B4G single ended triode monoblock power amplifiers, built to custom specification, using customer supplied copper chassis
Each puts out a mighty 3.5 Watts, derived from three valve rectified, choke-input filter power supplies. One for the 6B4G output valve, one for the 5842 driver stage, and one for the negative bias supply
The audio circuit is focused on simplicity, a single ended 5842 triode driving the 6B4G via a 1:1 interstage transformer. Custom ironwork from Monolith Magnetics, NOS Shinkoh tantalum film resistors, silver wire, and huge dollops of joy
Next up is a stereo SE 300B amplifier, which uses a triode strapped D3a driver valve, with Lundahl choke load
Mains transformers and power supply chokes are from Hammond, and the output transformers are from Hashimoto Electric in Japan
Built to a high level with silver wire, tantalum resistors, with Black Gate and Duelund silver foil capacitors
A valve rectified, choke input power supply, with separate second stage choke & capacitor smoothing to each channel, plus an additional choke + capacitor filter to the driver stage
yes, it's all about the power supplies
Some nice tantalum resistors, and a mixture of Black Gate and Elna Silmic capacitors help to realise the beauty and musical enjoyment possible from 3W of single ended 6B4G
If this has wet your appetite and you have a vision of a bespoke single ended triode amplifier in your future, then get in contact and let's kick the tyres on the idea
