Bryston BP25 free download

File name Bryston-Bp25 preamp.pdf

REVISION HISTORY Rev 1.5e 17 Aug 2000 WP IR receiver replaced with updated part RPM6938 (Rohm) Rev 1.6 09 Aug 2001 ST HEADPHONE MUTE WIRING SHOWN Rev 1.8 2004-04-08 WP Updated PSU schematic and corrected phono input adding 220pF cap. Revision 5 August 2002 MPS1 Rev 1.61 26 Sept 01 WP 20N cap in RC reveiver (45027) repalced with 22n and the 49K9 in parallel with it is chg'd to 45K3. Two 1000u/50v caps on output of 8v regulator replaced with single 2200u/35v cap. Rev 1.6A 15 APRIL O2 ST ADD 1MEG TO + BUFFER INPUT Rev 1.7 1 Aug 03 WP Corrected dwg error to gnd'ng at selector switch inputs BP25 PREAMP MAIN SCHEMATIC