More about preamp (135)

| In spite of CDs and digital audio signal processing, there are still people who are devoted to the vinyl phonograph record. And they enjoy t...

| Once you’ve stuffed all the boards that go into the design, the Valve Preamplifier is ready for assembling and wiring. The results (see pict...

| You should use only the best components to build a high-end amplifier, if you want to achieve and maintain the specified performance figures...

| Phonographs are gradually becoming a rarity. Most of them have had to yield to more advanced systems, such as CD players and recorders or (p...

| The good old valve amplifier is experiencing a renaissance. Consequently, we present a valve preamplifier that unquestionably belongs to the...

| This preamplifier was designed for low-impedance signal sources like MC (moving-coil) pick-up cartridges used in highend record players...

| Most soundcards have a ‘line’ input and one for an electret (condenser) microphone. To be able to connect an inductive tape-recorder head...

| The preamplifier is intended for use with dynamic (moving coil – MC) microphones with an impedance up to 200 Ω and balanced terminals. I...

| To many hi-fi enthusiasts and musicians, the thermionic valve (electron tube), the sound of a valve amplifier cannot be bettered by that...

| The preamplifier described is a pushpull type based on a pair of inexpensive JFETs. With a few changes to the circuit, coverage may be...