Espey-Mfg-Co-Inc-621 电路原理图.pdf

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1、I486 3SA5 35A5 18 16 18 1 1 40mfd 40mfd The Model 641 Automatic Phonograph is designed to meet the needs of music lovers for a phonograph that is automatic, portable, and complete in itself. The record changer is manufactured by the J. P. Seeburg Corp. It is the most sturdy, foolproof record changer

2、 of its type. The changer will play both 10 and 12 records automatically or manually. The tone arm is a feather-light crystal pick up. The Model 642 Phonograph (non-automatic) incorporates the same features as the Model 64l except that records must be changed manually after each side is played. The

3、Type FJ-91A Push-Pull Amplifier (used in Models 641 and 642) employs four of the latest type loctal base tubes in a circuit designed to give high fidelity reproduction with more than enough volume to fill a large size room. Espey Manufacturing Co. Phonograph Model 621 Audio Amplifier FJ-91 ii 35Y4 PILOT LIGHT LAMP NO. 47 40 MFD 40MFC1 XTAL PICK-UP 5 MFD J COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN