Tag Archives: Marantz

Marantz PM-8 Esotec Integrated Amplifier Repair & Restoration

I’ve been very busy repairing and restoring this stunning Marantz PM-8 integrated amplifier. In my opinion, this is one of the best integrated amplifiers from the golden era of the 70’s and 80’s.

More photos and details of the Marantz PM-8 restoration soon. You can find my article about the exploded filter capacitors, here!

In the meantime, here’s a video summary of the testing and setup of bias, DC offset and power supply voltage.… Read more

Dead Filter Capacitors, Marantz PM-8 Restoration

Just a short post here while I am in the middle of repairing / restoring an absolutely massive Marantz PM-8 integrated amplifier.

These main filter capacitors sit in the power supply and do all the ‘heavy lifting’ required to make the power supply smooth and quiet. All four 15,000uF capacitors have literally spewed their contents all over the insides of this beautiful amplifier.… Read more

Stunning Marantz 1152DC Integrated Amplifier for Sale

I am very excited to present this absolutely stunning, completely overhauled and restored Marantz 1152DC integrated amplifier for sale. I’m asking just $1295! UPDATE – SOLD!

This 1152DC would suit a collector or vintage audio lover, it’s easily the nicest example I’ve seen. The Marantz 1152DC is a legendary Marantz integrated amplifier. It’s a rare and collectible model, thanks to its unique look, great sound and famous Marantz battleship-like construction.… Read more

Marantz SM-80 Amplifier Repair and Restoration

In this second of two articles on the Marantz SC-80 preamplifier and SM-80 power amplifier, we look at the SM-80 power amplifier. Specifically I detail the work required to restore this amplifier back to full working condition. The earlier article looks at work done to matching Marantz SC-80 preamplifier.

The Marantz SM-80 stereo power amplifier is a reasonably powerful, well-made, mid-range consumer amplifier from around 1990.… Read more

Marantz SC-80 Preamplifier Repair

A customer recently asked me to look at his immaculate Marantz SC-80 preamplifier / SM-80 power amplifier combo. Both pieces were playing up and required work. In this article I will look at the preamplifier, the next article will examine work required to remedy the power amplifier.

 

Customer kept the original boxes which is excellent for transportation purposes.
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Marantz CD-63 KI Signature CD Player Service and Repair

I was recently asked by a customer to repair and service his Marantz CD-63 KI Signature CD player. The player was misbehaving, not reading the table of contents (TOC) with some discs and was also skipping occasionally. I was actually really pleased to work on one of these classic disc spinners again. The Marantz players were all very similar across the CD-63 – CD-67 range and the SE and KI Signature models really only brought parts quality improvements in key areas, rather than different circuit layout.… Read more

Marantz 125 AM/FM Stereo Tuner Alignment and Upgrade

I recently treated my Marantz 125 AM/FM Stereo Tuner to a very careful alignment and upgrade. This beautiful tuner, with upgraded power supply and output buffer, is easily the best sounding tuner I have had the pleasure of listening to.

After modification and alignment, I compared Marantz 125 to a Sansui TU-717 and several modern digital tuners including the gorgeous Kenwood L-1000T.… Read more