| Seller Notes: |
“ a nice, used and well working WE 300B from early in 1951, features the very first postwar style single D getter, one of the first tubes made after the prewar ring getter was phasd out. TV7 Tested at 84 (min 58 TV7) and 105% emission. This tube has a GOOD projected life. This tube has several minor flaws that won't likely affect the very much enjoyment of the next owner;
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1) it has a few glass bits, leftover from original manufacturer, they are loose, and will only be noticed in the tube is inverted, normally they harmlessly rest in the bottom, unnoticed.
2) the base is nice, tight and no cracks, the letters are very worn, still it's legible
3) The tube is working well, no shorts. It does have minor filament noise if vigorously tapped. This is common in many 300B's. The tube is not noisy— rather the tube must be vigorously tapped, under amplification to manifest -- if tube is used normally, and not bumped or tapped hardly (not normal to do, only discovered under vigorous testing)This tube sounds nice, and is quiet. (see video)
4) In amp, the tube manifested some harmless purple off-gas. Normally seen in new NOS tubes, and other large power tubes... and in time the gas will burn off and fade. During operation it’s harmless.
This tube was carefully stored, as a spare for many years, and is working perfectly well (will be posting test video demonstration, see below). This tube had good performance, when tested in WE91 single ended amp, it sounded terrific, just as you would expect a 300B to. (See test reports Exhibit B,C,D,E). The bakelite base is solid, tight and free of cracks. This tube presents nicely, with very clear glass (other than bown marks at top), no rattles and a tight base.
It’s Guaranteed working on arrival, no DOA.
A well cared for WE 300B -- very early, single D style from March 1951.
This tube was carefully tested on a calibrated TV7, reading 84 (where a min=58 TV7, which is 65%) and 105% emission, no shorts and GOOD projected life, on a calibrated Jackson 648 (where the min=70%).
This is a nice sounding, good tested WE 300B, from early 1951 with the older 1x lower D getter.
It has a few flaws noted here:
1) it has a few glass bits, leftover from original manufacturer, they are loose, and will only be noticed in the tube is inverted, normally they harmlessly rest in the bottom, unnoticed.
2) the base is nice, tight and no cracks, the letters are very worn, still it's legible
3) The tube is working well, no shorts.The tube, during normal operation, shows a very faint blue halo from temporary off-gassing (generally will dissapear under normal operation of few hours) It does have minor filament noise if vigorously tapped. This is common in many 300B's. The tube is not noisy-- the tube must be vigorously tapped, to agitate the filament under amplification to manifest -- if tube is used normally, and not bumped or tapped hardly (not normal to do, only discovered under vigorous testing) This tube sounds nice, and is quiet in an amp, on desk or table. (see Exhibit B,C, refer to video).
This gem was carefully stored, as a spare for many years, by an audiophile as backup, and is still working perfectly well (will be posting test video demonstration, see below). This tube had good performance, when tested in WE91 single ended amp, it sounded excellent, I played loudly for 30 minutes, and did not want to turn off! Just as you would expect an early 300B to -- audiophiles seek these, the post war, "single D getter" because they are built so well, they featured the most uniform construction and consistant quality -- and extended lifespan -- after the WWII round getter's.
(See test reports Exhibit B,C,D,E). The base yellow ink is very worn, still however barely legible legible. As you can see from photos, it presents nicely, with very clear glass no browning, and very shinny flashing.
This is an ultra sought after original, 60 years old! ... This nice tube is the real McCoy that everybody wants.
Guaranteed NO DOA. A real 300B can provide the detail and tone you can rely only on very old WECO triodes for. Original production...
This tube sounded beautiful when played with music when tested in WE 91 single ended circuit at 5.2 volts filament. Very good function, in the single ended circuit. NO SHORTS, both checked perfect beyond 2 megohms in Jackson machine. ) Tests made in multiple calibrated testers, including a Calibrated TV/7 the world's standard for WE tubes.... GM (mutual conductance) (TV7 minimum is 58 which is 65%) -- this tube read 84.
For easy reference, see Exhibits (B,C). This tube read 105% on Jackson 648R at full load. This is a used tube, scoring a GOOD projected life. A test in which tubes are tested under reduced filament voltage.
The original era of the O getter arrangement (begininng in the engraved base 1930s, until the mid 1940s, when WE abruptly sswitched to 1x lower "D" shape, which remained until the 1960s. The "double" D getter, as this tube features is known to many audiophiles to be an excellent era -- where super nice detailed sound is expected.
Early 300B's are getting quite scarce now. This is one of the best sounding postwar 50s-60s era 300B's to own.
Vintage Western Electric's are the king of triode sound - you will hear enhanced clarity, great tone, agile pitch - all the while maintaining legendary smoothness. 1950s 300B's generally test stronger and produce even better quality audio than triodes of the later production. Collectors know originals are for the keeping and using!
This beautiful tube will sell very quickly.
See our 100% feedback, to be assured SAFE PACKING & DELIVERY. These are likely the best original 300B with boxes .. and most throughly tested you'll see anywhere. They come with original type WECO cotton excelsior and boxes -- will be TRIPLE BOXED in strong 275lb triwall cartons.
Please study photos below. SAFE PURCHASE, 100% - *** Domestic or OVERSEAS OK. FAST SHIPPING, WILL DISPATCH IMMEDIATELY after PAYMENT -- OVERSEAS OK, FULL TRACKING number via email after shipment.
Guaranteed working on arrival, no DOA.
