1pcs Bryston classic DOA33 module 2.0 channel large dynamic Pure class A preamplifier board
Core circuit: the classic doa33 module of Bestone, full DC design (without input and output capacitance, sound super transparent)
Static current: pure class a design with voltage level of 10mA and output level of 20mA (class a current, the core of good sound)
Features of the whole board: integrated design of amplification part, switching part, power part and output protection part
Output noise: 0.2mv, output midpoint: 0.4mv (super good hard index)
Magnification: 11 times
Power supply voltage: ac26v * 2 (main power supply, high voltage, large dynamic) + AC12V * 1 (protection)
Power supply: class a parallel regulated power supply
Transformer power: more than 30W
Plate size: 208 * 196mm
Front potentiometer: 10kA
package include: 1pcs board