| Many audio amplifiers are still fitted with one or two inputs Ior a dynarnic pick-up. Since record players are used less and less frequen...
Ton Giesberts (354)
| The proposed filter consists of two series-connected used-order sections. The resistors used are E96 types with a tolerance of 1%. Their...
| The chip on wh ich the amplifier is based, a Type LM3876, is a member of the Overture family from National Semiconductor. All members of...
| The accelerating sales of Dolby Surround Sound equipment shows that spatial sound is very much appreciated by music audiences. During the...
| The matching circuit consists of a variable passive attenuator and an amplifier with variable gain: 0-20 dB. The attenuator reduces the s...
| Digital audio signals normally use a two-complement code. To invert such a signal, it is sufficient to invert all data bits in the left-h...
| An amplifier is described which, after a tuning fork has been struck, gives a continuous 440 Hz tone (= International A), so that the user...
| The medium Power HEXFET amplifier published in this magazine in December 1993 has one small drawback: It delivers 'only' 60 W into 8 Ω (o...
| On much audio equipment, the headphone output is simply derived from the loudspeaker output via a series resistor: not a very elegant desi...
| The indicator is intended primarily heavy-duty PA (Public Address) for loudspeakers. Connected simply to the loudspeaker input terminals....