1 Piece (Min. It use the famous 2A3 triode push-pull enlarges, the interface resistance is low, the damping characteristic is good and choke filter. 1/6. Kevin. Product Quantity: 10 Units in Stock. Order) CN Dongguan Qinhuai Sound Technology Co., Ltd. 2 YRS. The audio path is completely free of Class AB switching artifacts, Class D high-frequency noise of transitions between output pairs of devices. What headphones do need is a high quality amplifier with low (lowish, actually) output impedance. The last SE 2A3 amp I built was inspired by JC Morrisons' degenerate Loftin-White lash-up called the Micro 3.5 from Sound Practices issue 6. Auris Audio Headonia 2A3 Headphone Tube Amplifier, White. Rarely seen on the used market, this Auris Headonia 2A3 is a beauty of a headphone amp (as a piece of eye candy it dwarfs my integrated amp). If you are reading this you probably know what this is. Crack is our version of classic OTL headphone amp designs of several years ago that were hailed as some of the best sounding of their day. Outputs: Dual 3-pin XLR (left and right channel), 4-pin XLR × 1 and ¼” (6.3mm), XLR x 1 preamp. Link to post Share on other sites. Tubes: 13EM7 driver x 1, 300B power x 1, 5U4G rectifier x 1 each amplifier. The Egoista can be ordered either with the mighty 845 or with the much more sane 2A3 and still, no one would think this is only a headphone amplifier. Headphones: Senn HD650; Trade Status: I am not in the Hi-Fi trade; Posted March 5, 2020. YAQIN MS-2A3 Tube headphone and integrated amplifier . OK whose running a 2a3 set amp in there system and which one did they chose? Headphones impedance: 8 to 600 Ohms Features: Preamplifier use SRPP amplification circuit and Nagao-type inverter circuit, make it let the audio frequency wide, distortion is little. This headphone amplifier can drive two pairs of, same or different, headphones simultaneously, and they can even be adjusted separately. Transformer-coupled, Point-to-Point wiring. Compatible with 2A3/300B/45 power tubes. The m900 from Grace Design is a solid choice for someone who wants a multi-channel amp that has a decent amount of power and is pretty simple to use. The 2A3 is a classic power triode which is good for 3-4 watts in single ended mode. First amp review, so this is to be taken with a grain of salt. Home / Original CD Player & Power Filter Socket / Original OPA-2A 2A3 Tube power Amplifier HiFi Headphone Amplifier Original OPA-2A 2A3 Tube power Amplifier HiFi Headphone Amplifier. Some smudges on the transformers here and there. Shipping Weight: 25 Kg. Enter the Puresound 2A3, boasting 18w from two pairs of 2A3 tubes. Comparison of our prototype with the $10K Bottlehead reference headphone amp was a bit disturbing. It allows you to experience music in an extraordinarily emotional fashion with a holographic soundstage. The triode is biased to Class A operation by applying a … Single-ended Triode, Class-A. FFX - the top-of-the-line 2A3S, some considered it as the best compact stereo 2A3 SET amp available on the market, also our bestseller. I should update this review some day. Edit. Great Savings & Free Delivery / Collection on many items Difference increase with better R2R source, better 2A3 tubes. Stereo Audio HiFi Headphone amp Solid State 25W*2 220V Nobsound MS-10D Tube Amplifier. My intention with this project was to have flexibility to use the 46 tubes (w/ adapter) as well as 45/2A3 via switch. This 2A3 amp has a very open, relaxed, dynamic and detailed sound. Alibaba.com offers 877 2a3 tube amplifier products. DC filaments would not work in this scenario so I opted to stick with AC filaments. It showed us why the OTL headphone amps from a few years back were so highly praised. 15.12.2016. Delete Powerful sound special good for using in a big indoor area. Two RCA pairs of input jacks with input select control switch (1 and 2) 6DJ8/6922 input gain/drive tube DC coupled to the 2A3 output tubes. Quote; Share this post. Audio power amplifiers. It is really amazing sound procedure by an amplifier with 2W output only. Little Dot A1 6SH7 Vacuum Tube Decoder ES9038PRO DSD512 DAC Decoding Pre Amplifier Headphone Amplifier RCA 6SN7 JJ 2A3. Shipped with UPS Ground. I decided to use good quality parts but to try to keep the cost down as much as possible. Lots of reviews online from this now classic amp. Type: Fully-balanced, push-pull, Class-A tube-driven headphone amplifier. 2A3 and 6SL7 tubes for rectification and regulation with large Solen MKP metallized polypropylene capacitor for filtering, providing a stable, pure and fast power suppl for Linear1 25th anniversary. Thanks for … Rarely seen on the used market, this Auris Headonia 2A3 is a beauty of a headphone amp (as a piece of eye candy it dwarfs my integrated amp). Selectable Cathode or Plate output with KEYS. Independent headphone and speaker circuity. Headphone amplifier. When only the best is good enough any of our 6 models of 2a3 SET amplifiers are built with the same care and attention to the sound. I can provide a pair of ElectroHarmonix 2A3s as a backup set. the amplifier can successfully drive two headphones at the same time, considering you have a 4-pin RXL balanced input and a regular single 6.3 mm input headphone. 1 Piece (Min Order) 4 YRS Shenzhen Tianzhongtian Trading Co., Ltd. It sits in an odd place in the Puresound range: lower power and arguably less flexible than the highly regarded A30 Class A 6550 push pull amplifier (15w triode, 30w switched to ultralinear), but also more expensive at £1475 vs £1949 retail. As of the time of this writing it would be $445.50 per pair with the amplifier (though might be available for less through other discounters). Classic No.16.9 2A3 tube integrated amplifier Class A single-ended+Headphone amp [Classic No.16.9] The vacuum tube headphone amp consists of a standard class AB1 power amplifier circuit. The 2A3s are Shuguang 2A3-Z Treasure Tubes and the 12AT7s are old stock RCA.