SONY BC series: TA-F3, ST-A3, TC-K4 (1976)
SONY BC series: TA-F3, ST-A3, TC-K4 (1976)
SONY BC series: TA-F3, ST-A3, TC-K4 (1976)
SONY BC series: TA-F3, ST-A3, TC-K4 (1976)
SONY BC series: TA-F3, ST-A3, TC-K4 (1976)