Yamaha KX-W421 Specifications, General, Wow and Flutter, Signal-to-NoiseRatio, Output Level, Cure

Models: KX-W421 KX-W321

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SPECIFICATIONS

Fault

Cause

Cure

 

ENGLISH

 

 

 

 

Playback sound is muffled and high

Ö Normally-recorded tape is played back in

Ö Play back in OFF position.

 

 

 

frequencies are inaudible.

Dolby NR.

 

 

 

 

Ö Heads are dirty.

Ö Clean heads and carry out

 

 

 

Ö Heads are magnetized.

demagnetization with head

 

 

 

 

demagnetizer.

 

 

 

 

 

 

 

When playing back tapes recorded on

Ö Basic levels are different for different

Ö This is not a fault.

 

 

 

other decks, meter deflections are

cassette decks.

 

 

 

greater (smaller) than when recorded.

 

 

 

 

 

 

 

 

 

The remote control transmitter cannot

Ö The batteries are exhausted.

Ö Replace batteries.

 

 

be operated.

Ö The remote control transmitter is

Ö Operate it from less than 7 meters

 

 

 

operated from an incorrect distance or

(about 23 ft.) and 30°.

 

 

 

angle.

Ö Place the unit away from the strong

 

 

 

Ö The remote control sensor is lighted

light.

 

 

 

strongly.

 

 

 

 

 

 

 

 

SPECIFICATIONS

Type

Auto reverse 4-track, 2-channel

recording and playback stereo double cassette deck

Motors

DC servo motor x 2 (main)

Heads

Recording/playback: Hard Permalloy x 1

 

 

Erase: Double-gap Ferrite x 1

 

 

Playback: Hard Permalloy x 1

Rapid Transport

100 sec. (C-60)

Wow and Flutter

 

 

WRMS

0.08%

W.Peak

±0.15%

Signal-to-Noise Ratio

 

(Dolby NR off)

58 dB

(Dolby B NR on)

66 dB

(Dolby C NR on)

74 dB

Frequency Response (–20 dB)

<KX-W421>

 

 

Type I/Normal

20 ~ 17,000 Hz ±3 dB

Type II/High (CrO2)

20 ~ 18,000 Hz ±3 dB

Type IV/Metal

20 ~ 20,000 Hz ±3 dB

<KX-W321>

 

 

Type I/Normal

20 ~ 16,000 Hz ±3 dB

Type II/High (CrO2)

20 ~ 17,000 Hz ±3 dB

Type IV/Metal

20 ~ 19,000 Hz ±3 dB

Harmonic Distortion

 

KX-W421

less than 0.8%

KX-W321

less than 1.0%

Input Sensitivity/Impedance

Line

100 mV/43 k-ohms

Output Level

 

 

Line

570 mV/1.4 k-ohms

Phones

0.25 mV/8 ohms

Channel Separation (1 kHz)

...................... more than 40 dB

Crosstalk (125 Hz)

more than 55 dB

GENERAL

Power Supply

 

 

U.S.A. and Canada model

...........................

120 V, 60 Hz

Europe and U.K. model

230 V, 50 Hz

Australia model

240 V, 50 Hz

General model

110/120/220/240 V, 50/60 Hz

Power Consumption

 

 

KX-W421

14 W/7 W (Standby)

KX-W321

 

 

U.S.A. and Canada model

11 W/7 W (Standby)

Other models

12 W/7 W (Standby)

Dimensions (W x H x D)

435 x 146 x 279 mm

 

 

(17-1/8" x 5-3/4" x 11")

Weight

5.0 kg (11 lbs.)

Accessory

 

 

Audio cord

1 pair

* Specifications subject to change without notice.

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Yamaha KX-W421 Specifications, General, Wow and Flutter, Signal-to-NoiseRatio, Frequency Response -20dB, Output Level