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Sony TC-K777ES

Second version of the original TC-K777 masterpiece. All three versions are basically the same deck: solid, excellent sounding and arguably one of Sony's best and one of the best cassette recorders full stop. In 1983 Stereo Sound ranked it as Best Buy above the three monster Naks (Dragon, ZX-9, 1000ZXL). The differences between the first non-ES version, the ES and subsequent ESII are as follows: the addition of a C Dolby NR (TC-777ES), the switch from S&F to Laser Amorphous Head; the replacement of the FeCr tape position by an MPX Filter (previously located on the back), the disappearance of the remote plug (777ESII) and the addition of a 2nd power transformer. Of course, the colour changed as well: from the silver 777 to the "ES-magenta" (777ES) to the 1980s black (777ESII). The rest is the same: FET SEPP i/os, dual-mono boards, motor and reliability and quality. Sony made much of its reputation with tape recorders and the TC-K777ES was a fine example of this fact. One of the best cassette recorders ever built, bar none.

Sony TC-K777ES

Sony TC-K777ES

Cassette Deck

 

 

Heads: 2x Laser Amorphous, 1x Ferrite

Motors: 1x BSL for capstan, 1x High Torque for spooling

NR system: Dolby B/C

Wow & flutter: ± 0,06% (DIN)

 

Response (re: -20dB): 15Hz-19kHz (Type IV, ±3dB)

15Hz-18kHz (Type II, ±3dB)

15Hz-17kHz (Type I, ±3dB)

S/N ratio (Dolby Off): 61dB (Type IV, NAB)

S/N ratio (Dolby B): 68dB (Type IV, NAB)

S/N ratio (Dolby C): 74dB (Type IV, NAB)

 

THD: 0,7% (Type IV, 1kHz)

BIAS: 105kHz

Inputs: 2x Fixed (50kOhm/77,5mV)

Outputs: 2x Variable (50Ohm/0,44V)

Headphones: max 3mW/8Ohm

 

PC: 50W

Dimensions (WxHxD, mm): 430x105x390

Weight: 10kg

Remote commander: RM50 or RM65 or RM80 (all wired)

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