TKOKO AP-W228K Operation Manual

Public address systems
& Commercial sound systems

AP-W228K

DUAL CASSETTE DECK

www.t-koko.com

Preface

Thank you for choosing AP-W228 double cassette deck. For better use
the unit, please read this manual book at first before operating it. And keep it
for future reference.

Attentions:

keep the unit away from high temperature, damp place. And avoid direct
sunshine. A stable and flat place should provide for the unit.
Keep recorder tapes and videotapes away from the unit. For the unit may
produce magnet while working.
Please do not open the cover of the unit while it is working. And do not touch
the power connector with wet hand.
Don't operate the unit on a surface which may impede the normal air flow
around it, for the it will produce some heat when working.
If the unit malfunctions, please refer servicing to qualified personnel.
Otherwise, the company will not be held responsible for any loss.
Please do not clean the unit with alcohol, ammonia or erodent, and volatile
liquid to clean the unit. If it is necessary, just use some cotton cloth with warm
water to clean its surface.
A package of the unit includes one machine, one user's manual, one warranty
and one

Features:

When some malfunction happen, you may check the unit as follow: If the unit still
fails to work after the following efforts, please consult the qualified personnel, do
not fix the unit by yourself.

Phenomenon The possible causes and how to deal with them

The power connector has not properly linked with the socket, no power in

No power
the socket, or the fuse is broken. Press POWER button.

and no display.

No sound

Noise

Failure in inserting the tape

Tapes often tangle with deck

Poor sound

Failure in recording

Improper display

Power is on? No tape or blank tape. Improperly link with audio input or
output? The amplifier is not properly set? The unit pauses?

The audio output is not properly linked, or the output audio cable is not shielded?
The effect from the nearby electric welding machine, dynamotor, hair drier, etc.

Do not forget to put the tape-exposed side downward.

Tight tape? Incorrect tape insert? Poor quality tapes?

Digital DNR function is in the right condition? The magnetic head is
dirty or magnetized? The tape is dirty, broken, or in poor quality?
Improper link with the amplifier? The amplifier is not properly set?

The protector in the tape is removed? All the cables are properly linked? The
magnetic head is dirty?

The unit is strongly affected by the surrounding. Unplug the power
cable and plug it ten seconds later, the press the POWER button down.

Excellent Hi-fi sound.
Automatically recording system with good recording.
High-quality auto backspace movement.
First-class Hi-fi recording movement.
Double-color FL mountain-like electric level indicator.
DIGITAL DNR professional noise reducing system.
Multi styles of tape are optional for both playing and recording. (A&B deck)
Recording electric levels of the left and right audio are of independent
control.

Specification

1.Audio output 2 Ways and 4 Sound Tracks

2.Tape Speed 4.8m/s

3.Freq Response(-20dB Recording)
40-14000Hz ( 3dB) Normal tape
40-15000Hz ( 3dB) Cro2 tape
40-16000Hz ( 3dB) Metal tape

4.S/N ratio 58dB

5.Wow Flutter Ratio 0.15%

6.Separation 60dB(1KHz)

Specifications are subject to change

7.THD K3 0.5% THD 1%

8.Track space 40dB(1KHz)

9.Double 12V motor

10.Signal input 80mV/50K MIN

11.Signal output 80mV/5k

12.Power input AC220V 50/60Hz

13.Power consumption in working mode1 0W

14.Power consumption in ready mode 0.3W

15.Size 430*120*260