Sony TC-K 770 ES

Data[edit]

Sony Cassette Deck TC-K770ES


General:

  • Manufacturer: Sony
  • Model: TC-K770ES
  • Type: Cassette deck
  • Remote controllable: Yes, Sony RM-J701 et al.
  • Color: Black
  • Dimensions (WxHxD): 430 x 135 x 350 mm
  • Power: 220 V, 23 Watt
  • Weight: 6.7 kg
  • Year of manufacture: 1991-92
  • Original price: 850 DM


Inputs and outputs

  • Outputs: 2

Stereo Cinch (gold-plated)

    • Headphone jack 6.3 mm, gold-plated
  • Inputs: 2

Stereo Cinch Stereo Cinch CD Direct


Technical data:

  • System: 4-track, 2-channel stereo
  • Tape speed: 4.76 cm / s
  • 3 heads: 1 x record / playback, 1 x erase head
  • Motors: 1 x Reel, 1 x Capstan (Quartz Direct Drive), 1 x Mechanical
  • Tape type: Ferro IEC I, Cr02 IEC II, Metal IEC IV,
  • Noise reduction: B, C, HX-Pro
  • Frequency response: 20 Hz to 21,000 Hz (metal band IV) Dolby NR off
  • Distortion factor: 1.0
  • Signal-to-noise ratio: 76 dB (Dolby C)
  • Uniformity: 0.025 % (WRMS), 0.05 % (DIN weighted), 0.11 % DIN unweighted (Ang. see Stereo 12/91, p.46)
  • Input: 77.5 mV (Line)
  • Output: 0.44 V (Line)


Features

  • Dual-Capstan in closed tape run with 2 pressure rollers and tone shafts
  • Cassette compartment: motor controlled
  • Bias controller: yes
  • Level- controller: yes, both controllers visually controllable (test tone- calibration),
  • additional 3 bias settings
  • Backband control: yes

MPX filter: yes Counter Memory: yes

  • Electronic real-time counter
  • AMS - title search
  • Quartz controlled direct drive
  • Adjustable headphone output
  • CD- Direct- jacks, gold plated
  • Remote control sensor built in, remote controllable with above mentioned remote control and Sony system remote controls
  • Timer pre-installation for recording and playback
  • Display can be switched off (with Sony RM-J701 remote control)
  • Illuminated cassette compartment


Remarks[edit]

Previous model:

Successor model:

Other models in the same series:

Pictures[edit]

Tc-k770es.jpg


Reports[edit]

  • Stereo 12/1991: top class, 89 % (sound: 95 %, practicality 83 %, workmanship 70 %, features 75 %), Stereo recommendation: 3 stars, excellent

The TC-K770ES already belonged to the top class at that time and leaves several top decks that are only a few years older clearly behind it, at least in terms of sound. However, over the years, a few design weaknesses have become apparent, such as the failure of the control for the drive buttons, which have sent many a K770 to the e-scrap despite looking as good as new.

Links[edit]