BACK PANEL:
WARNING: This amplier must be earthed. Please check that the supply voltage details given on the
rating label (located on the rear panel) are in accordance with your electricity supply.
1 MAINS INPUT: This is the input socket into which the mains power cable must be connected. This
amplier is supplied with a power cable with a moulded-on plug. If the socket outlets in the home are
not suitable for this plug, use an appropriate plug adapter that can handle the power required for the
amplier.
2 POWER FUSE: In the event of the power fuse having to be replaced, rst unplug the power cable
from the mains outlet. Then remove the fuse cover and replace the power fuse with another fuse of the
same type and value. Never plug the power cable back into the mains outlet without the fuse cover. If
the power fuse blows up again when powering on the amplier, take the apparatus to a suitable service
centre for repair.
Features and Specications are subject to change without notice.
FRONT PANEL:
1. INPUT: Plug your bass in here. We recommend that you always use a high-quality shielded cable to
prevent any background noise interference or unwanted feedback.
2. VOLUME: This control determines the output volume of the amplier.
3. TREBLE: This control determines the level of high frequencies in the output signal. Adding TREBLE will
make your bass sound brighter and sharper.
4. MID: This control determines the level of middle frequencies in the output signal. Adding MID will make
your bass sound rounder and fuller.
5. BASS: This control determines the level of low frequencies in the output signal. Adding BASS will make
your bass sound warmer and heavier.
6. COMPRESSION: This control reduces the dynamic range of the output signal and evens out the
changes in volume that occur according to how hard you play your instrument. Adding COMPRESSION will
make your bass sound smoother and clearer.
7. CD/MP3 INPUT: This is a line level 1/4” (Ø 6.3 mm) stereo jack into which an MP3/CD/Tape player
may be connected.
8. PHONES: This is a 1/4” (Ø 6.3 mm) standard jack output to connect the headphones. When headphones
are connected, no sound is produced from the speaker.
9. POWER LED: When this red LED is lit, the amplier is ready to work. When it is off, it means the
amplier is powered off.
10. POWER: This switch turns the amplier on or off.
2 3
USER’S MANUALSUSER’S MANUAL 20 BA 20 BA
1 2 3 4 5 6 7 8 109
TECHNICAL SPECIFICATIONS
Max. Rated Power / Loudspeaker 20 Watts RMS @ 8 Ohms load/ 8” Speaker
Frequency Response 70 Hz to 15 kHz
Total Harmonic Distortion 0.3%
Signal to Noise Ratio - 62 dB @ max Rated Power
Input Impedance
220k Ohms
Power Consumption
30 Watts max
Maximum Input Level
63 mV (RMS)
Maximum Gain
43 dB (@ 1kHz)
Dimensions (H x W x D)
37 x 41 x 20 cm / 14.6 x 16.3 x 7.9 in.
Weight
9.9 kg / 21.8 lbs
2
1
To Next Page
Need help?
General
