m70

Picked up a nice exterior condition M70, but in protection mode. I need to go through the M-70 threads and get my bearings, but this unit will be familiar to some already. First step was trying the DBT to verify protection. Consistent bright150w bulb, no clicks heard from the relays. I'm...

To adjust the ZERO distortion circuit should I be looking at THD at the DIST test point or DCV?

Greetings All, Been doing some reading over the last months and year since I joined. I purchased an M-70 restore kit from eBay in hopes of repairing this device (in protection), but I just do not have the time, so I'm willing to spend some money on it since I spend the rest of my time working...

Hello! I've recently recapped my m70 and changed trimpots and some other parts. I was going to adjust everything today and things worked out great but wen I was setting the meter lights i encountered a problem. I used a 8ohm 300w resistor as a load starting with the right chanel, I'm putting in...

Hi, I finished work with my KEF 104aB https://audiokarma.org/forums/index.php?threads/kef-104ab-one-more-time.864834/ but I don't like stagnation... so I started another speaker project. I work with the best sounded ( IMHO ) Bang Olufsen speakers Beovox M70. After few months with KEF's I...

I have not had a good stereo for decades. But I love music. A guy sold me his Yamaha M/C/T 70's for 100.00. No speakers......I'm not sure what to look for in speakers? New / Older? A local store had a set of Klipsch b2's (up to 85 watts) and I have an older 100W Subwoofer.....Thought about...