alexberger's System

Here is the Black Pearl 300B amplifier project page: https://photos.app.goo.gl/isJsvYM3x7hDaput9

posted over 1 year ago

alexberger's System

Hi @subterranean6 ,I had the old 300B DIY amp, and did a lot of upgrades on it. There were a lot of parts that I put around the amp. So I decided to build t...

posted over 1 year ago

mmcgill829's System

My congratulation with new Coherent 18!What is a first impression from the speakers?

posted over 1 year ago

alexberger's System

posted over 2 years ago

alexberger's System

Hi @noromance,I did a small number of mods with my Croft preamp. it was the older model with one stage cathode follower in the line stage path. And the most important was to exchanging the out...

posted over 2 years ago

alexberger's System

Hi @noromance,My phono stage is based on EAR 834p schematics. I had original EAR 834p and Croft phono stages. They were very close in therm of sound quality. But I prefered EAR a little, becau...

posted over 2 years ago

alexberger's System

Hi lidler,Yes I did change crossover to n1500 with my Altec 604E.n1500 gives much more flat frequency response and sounds better than WJ with 604E.Just very im...

posted over 3 years ago

alexberger's System

If you ask about black panels? There are my DIY speakers grills .

posted over 3 years ago

alexberger's System

On Amazon. There are plastics acoustical tiles 30x30cm.

posted over 3 years ago

alexberger's System

Hi @cal3713, @islandmandan,  @

posted over 3 years ago

alexberger's System

Hi Shop1,The cabinets of my speakers were made by previous owner.I didn't try 6cu. ft. cabinets. But I think 9cu. ft. cabinets should sound deeper in base. I use Wern...

posted over 6 years ago

alexberger's System

Thanks!

posted over 7 years ago