Grundig TK-400 (c. 1966)

Not much is documented about the Grundig TK-400. The record shows a quarter-track, two-speed automatic tape recorder that took 7-inch reels. The British magazine Studio Sound reviewed it in June 1966 and listed it at £49 7s.

The same Studio Sound review (June 1966, p.32) has the only published specifications known for the model:

• Speeds: 7½ and 3¾ ips
• Wow and flutter: 0.2%
• Frequency response: 40 Hz–16 kHz at 7½ ips, 40 Hz–15 kHz at 3¾ ips (±3 dB to –5 dB)
• Input sensitivity: 2.2–45 mV across 1.5 MΩ
• Output power: 4 watts
• High-impedance output: 700 mV across 15 kΩ
• Built-in speaker: 5-ohm, 4¼ × 3⅜-inch elliptical
• Distortion: 5% maximum
• Dimensions: 13½ × 11¼ × 7 inches

The page doesn't record whether the TK-400 appeared in other markets or had variations. If you own one or have seen a service manual, the Archive would welcome the details.

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