2a3

okay here we go! Analog Ethos Legendarium! The kit was double boxed, very nicely packed. Foam and bubbles all over the place. Parts kit in a separate bag along with trannies and chassis. Hammond and Edcor, no worries there. Box was about 10-15 lbs; heavy iron! Thick manual. Top plate...

This information is from AWA holdings of Dowd-RCA Archive published in the last issue of the TCA Dec 2019. RCA Tube "Salvage Schedules" 2A3, Low plate current shrinkage may be salvaged by tapping with hard felt hammer, Tap tube on dome in a plane parallel to the top mica while the AC test...

Greetings fellow amp-a-holics! I grabbed a Frankensteined console from the thrift store inside it was a Sherwood tube am/fm radio, a Garrard AT60, and some yet to be known 2A3 amp. I have looked everywhere for a reference for this one. I believe this is a mono power amp from the 40’s-50’s...

Hi folks, A couple months I stumbled across some cheap used RCA bi-plate 2a3's (matched pair at 4100 umhos), so a little weak), and decided it was time to dip my toe into DHT SET land. I am not an expert, and relied heavily on AK and other forums to help guide myself, and there was a good...

I recently bought 3 boxes of tubes from a fella' through Craigslist. When I got to the guys house and saw the tubes, I nearly turned around and left. The boxes were nasty! Many of the tube boxes had been converted into rodent ranches. There was so much mouse crap in the mix, I didn't bother...

Hoping everyone can help me out with this one, so I'm trying to decide on a speaker to build for a 2A3 or 300b tube amp. I haven't decided on which set to build yet because the full range is a 90 db and the mid bass with horn driver would be 99db. I'm just trying to see if anyone prefers horn...

If anyone has a schematic for a 2a3 amp that they have built and it sounds great please let me know, I've been looking to build a nice one of these and have searched the web but didn't find much. Thank you.

I have an Asano 2A3 amp (I bought it new from EIFL a few months ago) that's currently running grey plate RCA 2A3 tubes from 1954. It sounds amazing hooked up to my 846A Valencias, with very little hum, but I wanted to roll the JJs as a backup to the RCAs because we regularly run the system for...

I messed up my Cary 2A3 amp. Hoping for some help. It’s not the Cary 2A3 SET — it’s stereo, push-pull, 15WRMS — and it’s not the later Cary 2A3 Integrated. It’s the first amp Cary made, and it put them on the map: it got the small unknown company nationwide distribution. This is the one: I’d...

My first DIY! Made over the course of several months, with lots of advice and counsel from good AK folks. Highlights are Riken resistors and James Audio transformers. Member ejfud made the base for me of curly maple and curly cherry. http://www.audiokarma.org/forums/showthread.php?t=118799...

Here's my amp underdecks. Highlights are Riken resistors and James Audio transformers.

Here is the pretty much stock build that includes the C4S (constand current source) mod.

Picture take at the Lone Star Bottlehead meet in Terrell TX Jan 17, 2004

First time I saw this amp I laughed out loud. Gotta get me one a bumper sticker like that for the car.

Here is the latest setup in my living room. Kind of befitting that the Japanese are so into tubes.

sun audio 2a3 asl twinhead pre amp

I use my new DIY amp to push some vintage JBL L40's and they rock.

Chassis done, now time to wire. Lots more to come...

Here is the latest setup for my living room. Pretty much a DIY rig short of the Shanling CDP. Custom built Bottlehead Foreplay preamp and custom one of a kind direct coupled 2A3. amp,

A wider shot of my 2A3's and John's rig. Man, this was a sweet sound.

Here are my 2A3 amps running John's custom A7's. They were very quiet and sounded very lush. I'm a very proud papa.

Here is closeup shot of the Canon circular connector used for the power umbilical cord to the amp chassis.

I know most people will never see the bottoms but I know it's done right.