BSR M-44
Not much is documented about the BSR M-44, and the surviving period record is fuzzy on what the model actually was. The clearest editorial reference is in Audio (June 1968, p.44), which measured the “BSR 600/M44-E package.” Rumble came in at -31 dB by the standard NAB method with vertical components cancelled. Resonance sat down at 20 Hz. The unit on its base was not particularly sensitive to shock, vibration, or acoustic feedback. The same review noted the package’s attractive metal sash and matching tinted plastic dust cover with its walnut stripe, and it named the M44-E as a Shure stereo cartridge.
The other period traces are BSR’s own advertising, not editorial coverage. Ads for the McDonald automatic turntables - HiFI-Stereo (October 1968, p.74), High Fidelity (January 1968, p.95), and Audio (December 1967, p.43) - promoted anti-skate control and a pre-assembled “Total Turntable” with cartridge included. Those ads cover the McDonald 400 and 600 series. They place the M-44 somewhere in that generation of BSR automatics, but they do not pin down its own identity. No production dates, original price, or technical specifications could be verified for this listing.
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