Akai GX-600DB

• Track System: 4-track, 2-channel stereo/monaural system

• Heads: 3 heads (erase, GX playback, and GX record); GX type glass crystal ferrite heads

• Motors: 3 motors (2 reel motors and 1 capstan motor)

• Maximum Reel Size: 10.5 inches

• Tape Speeds: 3¾ and 7½ inches per second

• Frequency Response: 30Hz to 23kHz (at 7½ ips tape speed)

• Wow and Flutter: Less than 0.07% at 7½ ips

• Signal-to-Noise Ratio: Better than 64 dB with Dolby noise reduction, better than 56 dB without Dolby

• Total Harmonic Distortion: 0.7%

• Crosstalk: 40 dB

• Inputs: Line 70mV (50 kOhm), DIN switchable, mic input 0.3mV

• Outputs: Line 0.775V, DIN 0.775V, headphone output 30mV

• Power Consumption: Approx. 130W (50Hz) or 100W (60Hz)

• Dimensions: 443 mm (W) x 475 mm (H) x 228 mm (D)

• Weight: About 22 kg (48.4 lbs)

• Additional Features: Dolby-B noise reduction system (in the GX-600DB version), sound-on-sound function, mixable line/mic inputs with concentric controls, mechanical push buttons, robust build quality typical for mid-1970s Japanese professional tape decks

This model is well-regarded for its durable construction, excellent audio quality aided by advanced GX heads, and precise tape handling through its 3-motor system. It was produced in Japan between 1974-1978 and was a popular mid-high fidelity consumer/professional tape deck.