The DHP-300B is an all-tube power amplifier featuring a pair of the WEC 300B type output tube driven by a 6SN7 and custom made Interstag transformer. All transformer is custom-made (made in Japan). Rectification is handled by a 5AR4/GZ34. The directly heated triode amp outputs 20 watts/8ohm.

－Specification－
Inputs: Line Level Input (RCA single-ended)
Input Impedance: 100kohm (RCA single-ended)
Speaker Outputs: 0-4ohm-8ohm
Gain:
Tube Complement: 300B (2) for Output, 6SN7 (1) for Driver, 5AR4/GZ34 (1) for rectification (WE-274A type, Option).
Power Reqiremants: (100VAC / 50~60Hz), 110-120VAC / 60Hz, (220-230VAC / 50Hz), (240VAC / 50Hz)
Dimensions: 450mm (W) X 140mm (H) X 260mm (D)
Net Weight: 18Kg