LO-D(Hitachi) Mos-Fet power/pre. Excellent condition and fully working order. Hi-end Hitachi mos-fet power transistor amplifier. LO-D HMA-4590 & HCA-4590. Late 1970′s analogue design. Over 45 years old. Mos-Fet power transistors required minimal circuit components. Therefore Ultra low distortion. Uses Hitachi HS8401/HS8402 mosfet. Mosfet amplifiers does NOT REQUIRE complicated bias/drive circuits. 99% similar to valve amplifiers. Natural & warm sound. Amplification ratio is constant at entire frequency range. While keeping the distortion below 0.02%!! 50+50W/0.02%THD for 20-20khz dynamic range. Non corrosive RCA cable. User manual and connection diagram. Only above mentioned items included for this sale. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The seller is “japanese_audio” and is located in this country: LK. This item can be shipped worldwide.

• Brand: Hitachi
• Type: Tube Amplifier
• Model: LO-D