How’s this for a beautiful amplifier. I recently repaired and restored this absolutely stunning Marantz 1152DC integrated amplifier, let’s take a look.
The Marantz 1152DC is an integrated amplifier from the upper middle of Marantz’s range in the late 1970’s. The 1152DC and others from this series are very collectible now, thanks to their unique looks, great sound and Marantz’s famous build quality. … Read more “Marantz 1152DC Integrated Amplifier Repair & Restoration”
This post is about a gorgeous Accuphase E-202 integrated amplifier I’m repairing, and the need for careful transistor matching when repairing audio gear like this.
Choosing and matching transistors correctly is critically important when repairing or restoring audio electronics. I’ve learned this over the years, through experience and from people who’ve been doing this for much longer than I have.… Read more “Transistor Matching for an Accuphase E-202 Amplifier Repair”
Holy balls, the Accuphase P-600 Stereo Power Amplifier is one B-I-G mother of an amplifier. It actually gets physically tiring moving these beasts around the workshop!
Anyway, I’m not complaining, I LOVE working on equipment like this, even if it is heavy and the work slow. The Accuphase P-600 was, as far as I recall, Accuphase’s best class A/B stereo power amplifier back around the early 80’s.… Read more “Accuphase P-600 Monster Stereo Power Amplifier Voltage Conversion”
These latest additions to the Hall of Shame are two of the worst cases of hi-fi electronics bodgery I’ve ever seen. The destruction of this Krell KRC preamp by a so-called expert must be seen to be believed.
What follows are snippits from my latest Hall of Shame cases. Visit my Hall of Shame for all the horrifying details, more photos and more detailed descriptions, plus even more cases.… Read more “Shocking Latest Krell & H/K Hall of Shame Additions”
I’m reluctant to use the word ‘sexy’ when it comes to hi-fi gear because, well – it just feels weird. If I were to use it though, it would be about this baby Sony TA-4650 VFET amplifier.
What can one say after working one of these stunning Sony TA-4650 VFET integrated amplifiers? I really fell for this little beauty and came to understand why so many people treasure these amps.… Read more “Sony TA-4650 VFET Amplifier Service & Reliability Enhancement”