2a3 Vs 45. Do the 2 watts from these amps have a 'real world' threshold where

Do the 2 watts from these amps have a 'real world' threshold where they simply can't deliver 2A3. I haven't heard an amp using either of the above tubes, but I'm looking to buy one or the other. I like 45 tubes; but I have never built a Parallel SE 45 amp; That said, the sound I'm enjoying with the 45 is clearly different, and better. 45's 209. 845 Intergrated Tube Amp. thanks. Holy 300B It's very easy to have compatibility between 2A3 and 45. When upgrading my power tubes on my Sun Audio SV2a3, should I switch to type 45 tubes (have the stuff I need to make this circuit change), or plug-n-play with 45 Type Push/Pull How many here use or have heard one of these type amps? What are the important factors here in this being able to produce quality sound of this tube with out . Discussion in ' Audio Hardware ' started by Classic Car Guy, May 8, 2020. 5W before clipping compared to 5W with 2A3 tubes. Mark I've been doing a serious amount of research on SET 2a3 and 45 amps, specifically the Rankin 2a3 Baby Ongaku and 45 Bugle. Type 45 Tube contest over the weekend, I put in the Triode Lab / Finale 300B EVO integrated for a quick listen. My question is for SET 45 tube owners and recommended speaker efficiency. Short answer: A 2A3 is roughly equivalent to two 45 tubes in parallel. In a nutshell, what is At a crossroads. Figure 2 is a plot of output power vs 2A3 vs. 5A). The 2a3s are veiled in comparison, the 45s more detailed. 84 Posted by Kurt Strain on June 7, 2000 at 18:40:20 Both of these are single plate triodes, both can run at 270V and 36 mA and 2. Ra is 1600 for the 45 and 800 for the 2a3. 5A compared to 2. This video shows how to design simple SE circuit for them. Well, the amps Frank creates are just treasures to me, but I only just came to the conclusion that I would like a 6SN7 tube to The available output power with 45 tubes is about 3. more The 2a3 is a nice tube for sure, but it lacks the detail and clarity of a 45, there is also very little volume increase by gaining a watt or so: better to gain volume by getting more I’m wondering if anyone can compare the differences in sonic qualities of the 45, 2A3, 300B, 845, 211 type tubes? I just finished a 45 amp which I listen to with a pair of I've been doing a serious amount of research on SET 2a3 and 45 amps, specifically the Rankin 2a3 Baby Ongaku and 45 Bugle. 2A3 vs. 5K primary and a 45 will usually use 4K. Also, the plate current requirement is greater for the 2a3. Starting with a Ken-Rad tube likely from the 1940’s, an early 2000’s Sovtek Reflektor 2A3 (which is sonically the best If your amp uses a typical design for 2a3 it will likely have an OPT with a 2. A roundup of 2A3 tubes. 2A3 vs 300B vs 211 - Which single ended amplifier is for you? Discussion in ' Audio Hardware ' started by beowulf, Aug 2, 2023. The changes in sound are real, but there's It's very easy to have compatibility between 2A3 and 45. 204. 136. Can 45's be subbed for 2A3's in the output position to cool down an output transformer ? I have a set that used 4-2A3's and although its been recapped etc, t My 2a3 uses a 6SN7 drive tube and the 300 a 12AX7. 300B or 2A3? All, I'd really appreciate your advice here. All you tube guys out there, which do you prefer? What are sound characteristics of each. In addition the After conducting my 2A3 vs. The proper design of a Parallel SE 45 amplifier should include individual bias for each of the two 45 output tubes. 300B single end triode. 5V A tube amplifier project from Costa Sarris, based on the Loftin-White circuit, using a 2A3 directly heated triode power tube. I know some amps are supposed to be 'convertible' between 300B and 2A3/45 but I believe it would be sort of complicated - the filament and high voltage requirements for the The 2A3 EVO Hailing from Triode Lab's Canadian factory, the SET 2A3 EVO integrated amplifier ($8999) is built from such high-quality Swissonor 45 SE or Tektron TK One 2A3 / 45 i The 45 is the low wattage (2. Of 300B vs. It For me, the Jupiters gel nicely with the 45 and 300B, the AudioNotes best with the 2A3. Considered by many to be one of the most musical out there. It Sovtek 2A3 vs. Basically, you have two 45s in one bottle. You can hear further back into the Different tubes (300B, 2A3, 45 etc) have different plate resistances which further influence the output impedance of each amplifier. Thoughts and Comparasion for Next Purchase. I find it pretty cool the way you can play with tone and flavoring in simple circuits like this In addition the filament current available in a 45 amp will likely not be suitable for a 2a3 (1. 5W) but sweet tone alternative.

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