• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Western Electric New 300B made in USA 2018

SE type 45 v 6BX7 single ended plates strapped

Schmitz77,

I am glad you have an amplifier you are enjoying listening to.

SEP?
Single Ended Pentode?

I did not mean to criticize.

There are so many varied experiences in tube amps.
And a vary large portion of them are pleasing to those who own those widely varying amplifiers.

In amplifiers that I have made:
I have used 45, 2A3, 6B4G, 6A3, 300B, 6BX7, and 6CK4.
I have used EL84, EL34, 6550, KT66, KT77, KT88, 6V6, 807, 6L6, and 7591.
Some have been single ended, some self inverting push pull, and some push pull.
Some have had no negative feedback, local negative feedback, and global negative feedback.
Pentodes and Beam Power Tubes have been in Pentode/Beam mode, Ultra Linear mode, and Triode wired mode.

And I still have lots to try.

I do enjoy listening to music playback using tube amps.
 
No question they are fine tubes, but that's too high a price for something that eventually wears out and needs periodic replacement.

Your U$ dolars and historical technology stay in the country so eventualy your familý can get money back in the future..
it's much more difficult in my humble opinion get the dolars back from China
and quickly we see much more job less & home less poor American humans sadly..
in Europe it's similar situation now , start of the process was in the 70´S..
 
I recently received a pair. They replaced EML 300Bs in my modified Bottlehead 300B preamp. I very much like the EMLs, but even straight out of the box the WE 300Bs are, to my ears, on a different higher level. Rosin-on-string instruments sound sublime - so much so that since installing the new tubes I've been listening to 80% classical - lots of string concertos. Whereas I would usually listen to classical at most 20% of the time. Anything acoustic sounds superb. Blues guitar also sounds moderately but appreciably better to me. But for electronic and most rock music, any improvements over the EML tubes seem marginal to nonexistent.

However, my WE 300Bs are very microphonic in comparison to my EML and JJ 300Bs. This isn't really a problem for me b/c my main system is dedicated to my Audeze LCD-4 headphones. I don't know what factors contribute to microphony. The glass of the WE is much thinner than that of the EML and JJ - perhaps thicker glass dampens vibrations? Dunno.

Just my purely subjective impressions after 4 days of listening. Undoubtedly expectation and desire are having some influence. But I was truly surprised by how good the WE300Bs sound without any burn in.

cheers, Derek
 
I recently received a pair. ...

A quick update on the off chance that someone finds this info useful. One of my WE 300B 2021 reissue tubes is intermittently noisy. Both tubes made some strange sounds beyond the usual warm-up pings and pongs for the first hours of use. After 100+hours, one tube is noiseless, but the other tube is randomly noisy. I have swapped the tubes numerous times and the noise follows the tube. Sometimes it hums, and other times it makes a crinkling sound (a bit like crumpling a mylar bag) or the sound of radio static between stations. For a week it also made an intermittent "whining" sound - but I haven't heard that in the last few days. I've informed Western Electric and they've given me an RMA number. So I'll be returning the noisy tube for inspection next week. I am hoping WE can get this sorted quickly because I otherwise really like the tubes.

cheers, Derek
 
@ 6A3sSUMMER @ Diyers

We don't go very far with use of the only one leg.

Good business sense means for me try to extend company place on the market.
Be attractive to young students, Diyers and the professional Hi-Fi makers.
Organise events for educative amp builds with WE kit's,
diffuse new schematics with the tube(s) for customers,
make surprise with innovate products and modern remake of the classics from the past etc.
They have Ingeneers team..
Create a good dynamic interactions with the people is fruitful for the business and the lifespan of the company imo 🙂

Gramophone Dreams #51: Feliks Audio Arioso amplifier & the Western Electric 300B tube Page 2 | Stereophile.com
 
“Be attractive to young students”????? You might want to understand your market a little better. Young students can typically ill-afford anything but Chinese EL34’s, TV sweep tubes, or LM3886’s. It’s only us old farts who have paid all our dues and have gotten debt-free who can really afford 300B based amplifiers.
 
Young students don't generally care about good sound past what MP3 and Beats headphone provides. WE is looking at the DIY equivalent of the person that spends $3k on a power cord. I think reviving some of the transformer line would be something that would have a market. People are paying crazy prices for 70 year old ones.
 
@ Wg_ski @ Bobgroger

How many potential buyers for WE expensive tubes ?

Well I do say the market rank is X * 1000 pieces.

Cheaper but good tubes rank can be X * 1000 000 pieces.

Who be the winner on the international business scale ?
WE in USA or tube brands in Asia ? .. I know the answer..
 
My 300B/6J5 Design

This thread seems to be inhabited by 300B enthusiasts. I'm putting my unique design here to get opinions. Would you trust it to run your matched pair of WE $1400 plus tubes in it? Thanks.
 

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I trust it if:

1. Ground the Common lead of the OPT secondary.

2. Both IXYS CCS need gate stopper resistors at Pin 1 (use at least 100, and up to 470 Ohms).
Prevent oscillation. A real high resistance gate stopper might lower the impedance of the CCS at very high frequencies, but some use up to 1k gate stoppers there.

3. The 100nF coupling cap is overrated, so it has either a 600V or 630V rating, and is a modern material cap; Not a paper cap, etc.

Please explain the 10 Ohm, 0.1% resistor.
. . . Perhaps the original thought was to use a 0-1mA 55 milli Ohm DCR meter movement, in series with a 100 Ohm resistor.
And then connect the series 1mA meter and 100 Ohm resistor Across the precision 10 Ohm resistor. That effectively gives the meter a 0-100mA range.
 
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