| The voltage amplifier and current amplifier are housed on separate printed-circuit boards. The current-amplifier board is fitted just abo...
| The voltage amplifier and current amplifier are housed on separate printed-circuit boards. The current-amplifier board is fitted just abo...
| The power amplifier presented is a revamped version of the LFA-150 we published in late 1988. It provides rather less power than its popul...