Marantz PM-50 Integrated Stereo Amplifier look inside + first look

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Marantz PM-50 Integrated Stereo Amplifier look inside video + first look of this old, but still excellent sounding amplifier. This amp is the same old as I am. 90s Marantz stereo amplifier made in Japan. So beautiful, classic Integrated Stereo Amplifier. Simple. but reliable. Sound, that anybody Hi-Fi listener will love! Also good choose are: Marantz PM-40, Marantz PM-40se, Marantz PM-30, Marantz PM-44se, Marantz PM-52 and Marantz PM-68. In this video can see amplifier diagram fully soldered, stereo amplifier disassembly and assembled stereo amplifier.

Specification of Marantz PM-50 amplifier:

– Total output power: 180w
– Power output: 80 watts per channel into 8Ω (stereo)
– Frequency response: 10Hz – 100 kHz
– Damping factor: 180
– THD: 0.008%
– Signal to noise ratio: 105dB (CD/AUX)
– Speaker load impedance: 4Ω to 8Ω
– Dimensions: Width 420x height 150x depth of 380mm
– Weight: 10kg

[-] Hазвание видео RU: Hi-Fi Усилитель интегральный стерео Marantz PM-50 Посмотрите внутри и Первый взгляд

[-] Video nosaukums LV: Integrētais stereo pastiprinātājs Marantz PM-50 – ieskats iekšā un pirmais izskats.

(0) DIY guides:

(0) Headphones dB/SPL sound tests:

(0) Tests and some entertainments:

(0) Unboxings:
My Production Equipment gear:
– Canon 70d DSLR with Canon 17-55mm f/2.8 IS lens + 16gb SD card
– Velbon Sherpa 200R photo tripod + Kingjoy VT-3510 Video Fluid Head
– Stereo sound recorder Zoom H1 & Audio Technica AT2020 usb plus, Behringer B-1 XLR & DIY Binaural recording Dummy head
– 2x light tripod & Lighting umbrellas + 4x CFL Bulb Studio Lights 5500K (2x45w +2x115w)
– CN-160 Dimmable LED video lighting
– Cheap Konig aluminium tripod, I use it for Zoom H1 recorder, binaural head, dB SPL meter or LED light
– Sennheiser HD600 and AKG K321 headphones with Creative E-MU 0404 USB Audio interface (DAC/sound card/amp)
– PC: i5 3470, 4gb RAM, 90gb SSD + 1Tb HDD + LG 23″ IPS monitor and wireless Logitech keyboard with mouse.
– Sony Vegas 13 video editing software


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7 thoughts on “Marantz PM-50 Integrated Stereo Amplifier look inside + first look

  1. Marantz shared projects with Philips at the time. Philips has an identical amp the DFA-888, cosmetically different – the DFA looks better.

  2. Hi Can you please tell me the equivalent transistors of B1254 (2SA1263), D1894 (2SC3180). its really hard to find to me.. i replaced with B1560. D2390 to check.. but transformer started smoking. Iam using Marantz pm30.

  3. Great amp! I've had my PM50 since 1990 = 28 years old and still use it with my Marantz CD60 & Tanoy E11 speakers.
    It easily puts modern so called Hi Fi stereo's to shame 😉

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