You are now in the "Betamax Accessories" section and the first page for the AG-400 BetaStack changer is behind this panel. The AG-400 is found inside the "CHANGERS" section of the Betamax Accessories index. Close this panel to check out the AG-400 changer. To go back to the SLO-420 click here. The AG-400 MSRP was $150.00 in 1983, that's around $400.00 in todays money.