Sony TC-K850ES Operating Instructions Manual page 14

iFeTlanciarelarers)
Specifications
Cleaning the Heads Tape Pa
Clean all surfaces over which the tape travels after every
10 hours of operation. Otherwise, the following symptoms
might appear.
— low-quality sound
—a decrease in sound level
—excessive wow, flutter or dropout
—incomplete erasure
—recording cannot be made
To obtain high-quality recorded sound, cleaning before
every recording is recommended.
Capstan
Cotton swab
Erase head ran
Pinch roller | | Pinch roller
CAs
Recording head Playback head
1 Press & to open the cassette holder.
2 Wipe the heads, the pinch rollers and the capstans
with a cotton swab slightly moistened with alcohol or
commercially available cleaning fluid for tape decks.
Demagnetizing the Heads
After every 20 or 30 hours of use, or when you notice
hiss and/or loss of high frequencies, the residual
magnetism built up on the heads should be removed.
1 Turn off the power.
2 Demagnetize the heads with any commercially
available demagnetizer.
Refer to the instruction manual of the demagnetizer for
detailed instructions.
Cleaning the Cabinet
Clean the cabinet, panel and controls with a soft cloth
slightly moistened with a mild detergent solution.
Important
Do not use any type of abrasive pad, scouring powder or
solvents such as alcohol or benzine.
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Recording system 4-track 2-channel stereo
Bias AC bias
Heads Erase head x 1 (S & F head)
Recording head x 1 (Permalloy head)
Playback head x 1 (LA head)
Motors Capstan motor x 1 (direct drive linear
torque BSL motor)
Reel motor x 1 (DC motor)
Wow and flutter 0.024% WRMS (NAB)
Fast-forward and rewind time
Approx. 90 sec. (with C-60 cassette)
Frequency response (DOLBY NR OFF)
TYPE IV cassette
(Sony METAL-ES)
15-—21,000 Hz (+3 dB)
15- 16,000 Hz (OVU recording}
TYPE II cassette
(Sony UX-S)
15—19,000 Hz (+3 dB)
TYPE | cassette
(Sony HF-S)
15—17,000 Hz (+3 dB)
Signal-to-noise ratio (at peak level)
Dolby NR switch
Cassette \
TYPE !V
(Sony METAL-ES)
TYPE Il
(Sony UX-S)
TYPE |
(Sony HF-S)
Total harmonic distortion
1.0% (with Sony METAL-ES cassette)
Inputs
Line inputs
77.5 mV (—20 dB)
CD DIRECT input
Input impedance
Outputs
Line outputs
(phono jacks)
Rated output level | 0.44 V (-5 dB) at a
load impedance
47k ohms
lover 10k ohms Load impedance
0-—2.5 mW at a load
impedance of 32
ohms
Headphones
(stereo phone jack)
Output level
General
Power requirements 120 V AC, 60 Hz
Power consumption 23 W
Dimensions Approx. 430 x 135 x 350 mm (w/h/d)
(17 x 534, x 1374 inches)
including projecting parts and controls
Weight Approx. 6.9 kg (15 Ibs 4 oz)
Supplied accessory
Audio connecting cord (2}
Design and specifications subject to change without notice.