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Input, controls & crossover
HP-Filter
SIGNAL INPUTS
LEFT
RIGHT
IN
100
OUT
20 200
Hz
Input Wiring
Inputs are low level from the RCA output of the car
stereo head unit.
Low level input
Use a pair of shielded stereo audio cables with RCA
type jack. Most trunk-mount amplifiers need a 20
feet RCA cable ( appr 5 – 6 meters). Avoid placing
the RCA cable close to speaker cables, power cables
and remote control cable.
Use high quality RCA
interconnect cables like DLS
HQL to ensure the sound
quality.
Input Level controls
The input level controls (one for left, and
one for right channel), 7V – 0,5 V, matches
the output of your radio to the input of the
amplifier. After installation is complete,
make sure the input of the amplifier is tur-
ned down all the way ( counter-clockwise
at 7V ). Play a tape or CD, make sure all
bass or treble settings or equalizer are flat,
and turn the volume of the radio up until
you just start to hear distortion. Turn the
volume control down just a bit. On the
amplifier increase the input level control (
clockwise or to the right ) until you just
start to hear distortion, then back the level
control just a bit. Now your radio and
amplifier levels are matched. Both level
controls must be set to the same level.
Not for subwoofer use
This amplifier is not
intended for sub-
woofer use, only for
high class front or rear
speaker systems!
The amplifier is NOT
BRIDGEABLE.
Do not try to connect
speakers in bridge
mode.
4
SPEAKERS
LEFT
LEVEL
+ LEFT -
LEFT
RIGHT
2,5
2,5
7
0,5
7
0,5
V
V
LEVEL
7V 0,5V
LEFT
RIGHT
BATT+ GND
- RIGHT +
FUSE
20A
High pass crossover
The HP-filter can be used as a
high pass crossover blocking
very low frequencies from
reaching the speakers. It is
mostly used at say 60 - 80 Hz
to protect small speakers ( like
6 inch and smaller ) from deep
bass. On this amplifier you can
choose a setting between 20 -
200 Hz. The slope of the High
pass filter is 12 dB / octave.
The filter can be switched off if
you want to run the amplifier in
full range mode.
Amplifier warm-up / LED indicator
All tubes need time to pre heat the heater. On TA2
the time for the valve to warm up is 45 seconds
indicated by blue LED light in the tube window on
top. After 45 sec. the LED colour changes to red.
Now the amplifier is reday for use. To get the perfect
sound quality it needs 30 minutes running.
LED indicator in tube window:
BLUE: Amplifier is warming up for 45 seconds
RED: Amplifier is warm and working
GREEN: Amplifier protection circuit activated
because of thermal overload, short circuit or DC-off-
set. Turn off the amplifier to reset. If the problem still
exists, check your wiring. If nothing helps, contact
your local DLS dealer for advice.
Running in time
As all tube amplifiers TA2 need one month or more
running in time for all components to work correct
and producing the outstanding sound quality that TA2
is capable of. The sound quality is very good from
the start but it will be even better after 30 days of
playing.
ULTIMATE TA2
POWER IN
RIGHT
GND BATT+
REMOTE
FUSE
20A
IN
HP-filter
20 200
OUT
Hz
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