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ensuring generous current reserves even when operating low-impedance headphones
not crossovers
The R44 series microphones are passive
The input impedance of the 312B is designed to remain consistent
with the four bands having fully variable frequency controls and offer cut and boost of +/-12dB's
RMSB5T Vacbax ensuring generous current reserves evenThe Roll Music VacBax 500 uses a passive design and boasts a fixed 150Hz Bass frequency and offers a choice of two frequencies (8kHz or 16kHz) for the high band. In addition, it includes a switchable 100Hz hi pass filter. The VacBax 500 uses Roll Music's proprietary high voltage internal voltage booster which delivers 200V internally from the + 16V and +48V rails provided by the 500 Series enclosures. This design uses a two stage tube amplifier based
