background image

                               

                                                                           

 

                www.amtelectronics.com                                                                           www.amtelectronics.com  

           1                                                                                                  1

 

                                                                                                     

 

 

Safety instructions. 

IMPORTANT! 

There are no user-serviceable components inside the device. The 

device repair must be done only by qualified specialists.  
WARNING! To avoid possible malfunctions the device must not be exposed to rain 
or moisture. Prevent water or other liquids from getting inside the device. Do not 
place vessels filled with liquids (such as vases etc.) on top of the device.

 

 
 
 This symbol points out important information related to the device 

maintenance and operation which can be found in the 
accompanying documentation. 

 
 Please read the instruction manual carefully.   
1.

 

Keep the manual at hand.  

2.

 

Pay close attention to the warning instructions.  

3.

 

Adhere to all maintenance instructions.  

4.

 

Use only dry cloth to clean the device which must be 
disconnected from the power adapter.  

5.

 

Do not place the device next to heat sources, avoid direct 
sunlight.  

6.

 

Lay the power cable in such a way that it is impossible to be 
stepped on. Besides, avoid its contacts with sharp angles etc. 
If the plug of the power adapter is used for the device 
disconnection from mains, it must be easily accessible.  

7.

 

 Use only auxiliary devices and accessories recommended by 
the manufacturer.  

8.

 

Turn the device off during thunderstorms.  

9.

 

Remove the battery, if you don’t use the device for a prolonged 
period of time. 

10.

 

 All works related the device repair must 

и

 carried out only by 

qualified servicing personnel.  

11.

 

IMPORTANT! All servicing instructions are intended exclusively 
for qualified personnel. Do not carry out any repair works not 
specified in the instruction manual. All repair works are to be 
carried out by qualified personnel only. 

 

 

 

 
Contents 

Important 

instructions 

   1 

Complete set 

 

 

 

 

1  

Introduction 

    2 

Before 

you 

start 

 

    

2

 

Power adapter low-voltage contacts arrangement 

 

Powering the device from battery and power adapter  

 

Controls  

 

 

 

 

Top 

panel 

     3 

Rear 

panel 

     3 

Changing delay line modes and their indications 
 with TAP / SET button 

 

 

 

 3 

Changing device modes and their indications with BYPASS button  3 
Changing the combination of signals sent to the device’s outputs 
by means of  A-DIR / A+DIR switch 

 

 

For qualified personnel only         

 

 

Battery 

placing 

(replacing) 

 

   3 

Audio connections and switching 

 

 

Audio connections in A-DIR mode  

 

 

Audio connections in A+DIR mode 

 

 

Block 

diagram 

    4 

References 

    4 

 

¾

 

IMPORTANT INSTRUCTIONS! 

 

¾

  NON-OBSERVANCE OF THE FOLOWING INSTRUCTIONS MIGHT 

RESULAT IN YOUR AMPLIFIER OR SPAEAKERS DAMAGE. 
GUARANTEE IS VOID IF THE DAMAGES ARE CAUSED BY NON-
OBSERVANCE OF THESE INSTRUCTIONS.  

¾

 

After transportation or storage of the device under 
negative temperatures make sure to leave the device 
under room temperature in its original packaging for AT 
LEAST 2 HOURS! 

¾

 

To connect the timed digital delay (further TDD-3) to other 
devices use exclusively cables intended for such 
connections.   

¾

 

Under no circumstances use other types of cables such as 
for speakers etc.   

TDD-3 CONNECTION to power adapter: 

¾

 

Connect the adapter only AFTER all audio connections 
have been accomplished! 

¾

 

Before connecting TDD-3 to power adapter make sure that 
the casing, cables, low-voltage connector and power plug 
are free from damages: no cuts, cracks, dents and so on 
and are in operable condition.   

¾

 

To connect TDD-3 to the power adapter first insert the low-
voltage connector of power adapter into corresponding 
socket on the rear panel of TDD-3 and then plug the 
adapter into the wall outlet.  

DISCONNECTION of TDD-3 from power adapter:  

¾

 

To disconnect TDD-3 from the power adapter first 
disconnect the adapter from mains and then disconnect its 
low-voltage connector from the socket on the rear panel of 
TDD-3. 

 
 

OMPLETE SET: 

1. 

TDD-3 

   

 1

 

2. 

Instruction 

manual 

  1

 

3. 

Packaging 

box   1

 

 
 
 
 
 
 
 
INTRODUCTION: 

 

АМТ

 TDD-3

 

is intended for use both in studio and live performances. .  

AMT TDD-3 is a timed digital delay.  

Functional abilities and intuitive algorithm of the device operation allows quick  
and effective sound adjustments. Wide range of adjustments and simplicity of 
their change makes TDD-3 operation easy and comfortable.  

AMT TDD-3 features: 

9

 

Two modes of the original sound delay time setting: manual and foot 
(quick).  

9

 

Various ways of changing the delayed sound repetition quantity. 

9

 

Two combinations of forming signals sent to the device outputs.. 

9

 

sending original signal from the device’s input to its outputs without 
processing (BYPASS). 

9

 

Autonomous power unit. 

9

 

Use of external power adapter. 

9

 

Comparatively low weight and dimensions. 

 

Summary of Contents for TDD-3

Page 1: ... DIR A DIR switch 3 For qualified personnel only 3 Battery placing replacing 3 Audio connections and switching 4 Audio connections in A DIR mode 4 Audio connections in A DIR mode 4 Block diagram 4 References 4 IMPORTANT INSTRUCTIONS NON OBSERVANCE OF THE FOLOWING INSTRUCTIONS MIGHT RESULAT IN YOUR AMPLIFIER OR SPAEAKERS DAMAGE GUARANTEE IS VOID IF THE DAMAGES ARE CAUSED BY NON OBSERVANCE OF THESE ...

Page 2: ...vice on rotate Volume controls to extreme left position counter clockwise Always try to adhere to moderate volume level Specifications Use only external devices and accessories recommended by the manufacturer Powering the device from battery and power adapter AMT TDD 3 is powered both by battery DC 9V 6F22 and DC 9V external power adapter the required specifications are shown in Specifications If ...

Page 3: ...spond to the values set by E LEVEL 2 and F BACK controls 6 accordingly Changing modes and indication parameters by means of BYPASS button BYPASS 9 button enables switching between EFFECT AND BYPASS modes Modes change cyclically EFFECT BYPASS EFFECT etc In EFFECT mode the indicator 10 is red meaning that the output signal is being processed In BYPASS mode the indicator 10 is off and both output sig...

Page 4: ...______________________________________________________ AMT Electronics reserves the right to change the internal and external design of the device which won t decrease its consumer properties without preliminary notification In this connection the specifications and appearance of the device might differ from the ones shown in this document ...

Reviews: