200 Watt Hi-Fi Amplifier, Mono or Stereo (2N3055) 200 Watt Hi-Fi Amplifier, Mono or Stereo (2N3055)
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... Electronics > Circuit Components > Printed Circuit Boards > Development Boards 1199KT 1199KT 107.94 Quasar Electronics Limited
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200 Watt Hi-Fi Amplifier, Mono or Stereo (2N3055)

AS1199 - 200 Watt Hi-Fi Amplifier, Mono or Stereo (2N3055)
Pre-Assembled Module

Limited stocks available! Please note that main heatsink holes were drilled slightly out of line so it does not sit exactly square to the board.

Based on a tried, tested and reliable design using 4x 2N3055 transistors. Relay soft start delay circuitry and current limiting for loudspeaker protection. Easy bias adjustment with the help of two LEDs.

Circuit consists of two separate class AB amplifiers that can provide either a STEREO output of up to 100 Watts per channel @ 4 Ohms (60W @ 8 Ohms) or by moving a jumper on the board you can turn it into a bridged MONO output of up to 200W @ 4 Ohms (120W @ 8 Ohms).

Includes all board mounted components and heatsinks.

Specifications
Input Voltage+/- 36Vdc, 8A symmetrical power supply (custom designed kit 1209 is suitable)
Output Power1 x 200 Watts (4 Ohms, mono output)
1 x 120 Watts (8 Ohms, mono output)
2 x 100 Watts (4 Ohms, stereo output)
2 x 60 Watts (8 Ohms, stereo output)
Input Sensitivity1V RMS
Input Resistance47K Ohm
Frequency Response10Hz - 60KHz (-3dB)
Dumping Factor>100 (500Hz)
Voltage Gain21 times
THD<0.01% (full power with load)
Slew Rate40V/uSec.
S/N Ratio>90dB
Board Dimensions~ 140 x 165mm
Weight~ 450 grams
Board ConnectionsSolder Posts
Product FormatsPRE-ASSEMBLED Electronic Module (AS) Product Formats Info
Documentation1199 Schematic & Connection Diagrams
Amplifier Power Supply General Advice
Out of stock items are presented below. Click an item name to receive an in stock email notification as soon as it becomes available.
SELF-ASSEMBLY 200 Watt Hi-Fi Amplifier, Mono or Stereo Output KIT
Smart 1199KT - SELF-ASSEMBLY 200 Watt Hi-Fi Amplifier, Mono or Stereo Output KIT
£59.96 Exc VAT, £71.95 Inc VAT
PRE-ASSEMBLED 200 Watt Mono or Stereo Output Hi-Fi Amplifier Module
Smart AS1199 - PRE-ASSEMBLED 200 Watt Mono or Stereo Output Hi-Fi Amplifier Module
£79.96 £69.96 Exc VAT, £83.95 Inc VAT

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