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AS3090HKT - 3W Stereo Amplifier Kit with Heatsink (ROHM BA5406)

Ability Level 2: ModerateProduct Formats Available : Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

A good general purpose stereo audio amplifier using the BA5406 monolithic power amplifier IC. Can be used on it's own or incorporated into existing equipment.

Supplied with components for either 28dB (standard) or 46dB (high) gain. The standard gain option is ideal for general audio applications and will be more suitable with most pre-amps or PC sound cards, etc.

Volume control is easily achieved by adding an externally mounted dual gang, logarithmic potentiometer of between 10K Ohm and 50K to the audio input.

Supplied with all components INCLUDING heat sink. Speakers and cables are NOT included.

See 3090 for the same product supplied WITHOUT a heatsink.

Input Voltage
5 - 15Vdc
Current consumption1 - 2 Amps
Output3 Watts RMS/channel (4 Ohms, 12Vdc supply)
2 Watts RMS/channel (8 Ohms, 12Vdc supply)
2 Watts RMS/channel (4 Ohms, 9Vdc supply)
Output impedance4 - 8 Ohms
S/N ratio> 85 dB, G=28 dB
> 68 dB, G = 46dB
THD< 0.5% @ 1W
Freq. response40 Hz to 100 kHz -3 dB
(G = 28 dB, 8 ohm load)
50 Hz to 25 kHz, G=46dB
Gain46dB standard or 28dB optional (see Product Documentation link below for details)
Input level< 200 mV, for full output (G = 28dB)
20 mV, G = 46 dB
Input Impedance~ 100K ohm
Heatsink Dimensions67 x 30 x 30mm
Fixing holes4 x M3 @ 58 x 30mm centres
Board Dimensions67L x 68W x 30Hmm including heatsink
ConnectionsSolder pads
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
BA5406 IC Data Sheet
Amplifier Power Supply General Advice
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