The Kenwood TK-250 is a vintage solid-state integrated stereo amplifier introduced around 1967–1968 by Trio-Kenwood. It delivers about 20 to 25 watts per channel, featuring a compact metal chassis with a faux wood-grain finish, and represents Kenwood's early transition into fully transistorized consumer hi-fi audio gear.
 
Design and Technical Era
Release window: Debuted in 1967, listed in international markets by early 1968.
Power output: Roughly 20–25 watts per channel into 8 ohms.
Circuitry: Early solid-state design utilizing discrete transistors and metal-can components before the shift to later IC-heavy architectures.
Build: Compact bookshelf footprint (approx. 12.5 x 4.1 x 9.4 inches) weighing about 13 lbs, made in Japan.
 
Features and Legacy
Inputs: Included dual phono inputs, auxiliary, and tuner connections.
Controls: Equipped with basic tone controls, a loudness switch, and speaker A/B selection.
Collectibility: Highly regarded today by vintage audio hobbyists for its classic mid-century aesthetic and warm, natural sound signature.