B&K Components Reference 50 Audio Video Processor- Pre amp

B&K Components Reference 50 A/V Controller Processor-Pre amp (No Remote)

B&K / BK Reference 50 Processor / preamp

B&K Components LTD Reference 50 S2 Audio / Video Processor S2

B&K Components Reference 50 Audio Video Processor- Pre amp | NO REMOTE

B&K Reference 50 7 Channel Pre-Amp/Processor Amplifier - Needs new filter cap

B&K Reference 20 AV Preamplifier

B&K Components Reference 50 S2 - Audio / Video Processor SILVER - TESTED WORKING