W. Teder (5)

| The amplifier described is intended as a practice unit for guitar players. Its power output is not sufficient (in most cases) for use duri...

| Many guitarists still swear by the good old valve amplifier. It is fact that valve amplifiers produce a sound different frorn that of a...

| This is a robust, no-frills medium power amplifier that is particularly suited to use in 'combo' type portable amplifiers used by guitar...

| The overload indicator consists of a window comparator that measures the magnitude of an a.f. signal. Two of the opamps contained in an T...

| Amplifiers that have no capacitor at their output may, in case of a defect, apply a direct voltage to the loudspeakers and this can destr...