Taking apart a circuit board or module and reconstructing its complete schematic ... The PCB, as is, a compact one (65mm x 45mm) with a slightly lengthy heatsink for the power amplifier chip. The ...

The input power is split using a Wilkinson power divider whose design was extensively discussed in SIX NEWS #33, The output of the two amplifiers are combined ... with two flying leads to connect to ...

All the circuit boards employ thick 70µm copper foil for high current ... and an automatic power-down capability. The Integra DTA-70.1 power amplifier is now available with a suggested retail price of ...

A nicely-done home-made project on stripboard mounted on a wooden base board, it sports a power supply ... yet elegant circuit with fewer parts than an equivalent class AB amplifier, and there ...

There is more power supply filtering for both the audio section and ... The switch to toggle between 6SN7 and 12SN7 output tubes is now on the back plate instead of on the circuit board (and the amp ...

the firm has been synonymous with low-power Class A amplifiers. The Mystro changes ... through-hole components on a single-sided circuit board, with no frills, no unnecessary signal buffering ...

The company is now celebrating the Golden Anniversary of its iconic amp with a very limited ... High Speed Sentry Monitor circuit that automatically turns off the power when a worn tube is detected.