1199 - 200W Hi-Fi Amplifier (Mono or Stereo Output)

Based on a tried, tested and reliable design using 2N3055 transistors. Relay soft start delay circuitry and current limiting for loudspeaker protection. Easy bias adjustment with the help of two LEDs.

This module consists of two separate class AB amplifiers that can provide a STEREO output of up to 100 Watts RMS @ 4 Ohms (70W @ 8 Ohms) per channel.

By simply adding a jumper to the board you can turn it into a MONO output of of up to 200W @ 4 Ohms (140W @ 8 Ohms).

Includes all board mounted components, large heatsink and kit version has solder for assembly.

Technical Specifications
Power Supply	±36Vdc/8A symmetrical power supply (see kit 1209)
Output Power	1 x 200 Watts RMS (4 Ohms, mono output) 1 x 140 Watts RMS (8 Ohms, mono output) 2 x 100 Watts RMS (4 Ohms, stereo output) 2 x 70 Watts RMS (8 Ohms, stereo output)
Input Sensitivity	1V RMS
Input Resistance	47K Ohm
Frequency Response	10Hz - 60KHz (-3dB)
Dumping Factor	>100 (500Hz)
Voltage Gain	21 times
THD	<0.01% (full power with load)
Slew Rate	40V/uSec.
S/N Ratio	>90dB
Board Dimensions	~ 140 x 165mm
Weight	~ 450 grams
Board Connections	Solder Posts
Product Format	Electronic Kit (KT ) or Assembled (AS) more
Documentation	Schematic & Connection Diagrams Amplifier Power Supply General Advice