4. Looking at the 12AU7 tube array, the input stages consists of the two middle tubes (V5 and V6), flanking them are V4 and V7 which make up the second gain stages. The E-H Golds sound good to me but I haven't compared them to anything. I have the following matched sets available if interested: Optimized to use two 12AU7 tubes per channel. PrimaLuna 12AU7 - This is the stock 12AU7 as found in the award-winning PrimaLuna products. One of the main reasons PrimaLuna opted for an all 12AU7 circuit is that there are more NOS 12AU7's available on the market than any other tube. Many manufacturers fudge on their power ratings, claiming power that is mathematically impossible. All PrimaLuna preamps are dual-mono for the ultimate in stereo imaging and a sense of space that goes on forever. PrimaLuna even gives you a green light to experiment with a variety of power tubes. Three sets of 12AU7 Tubes per channel—One driver and Two input tubes lower distortion and increase dynamic range and bandwidth. sKiZo Posts: 1531 Join date: 2013-04-01 Location: Michigan USA. Today, when I switched from the $4995 Rogue RP-7 tube preamp to PrimaLuna's new EVO 400 tube preamp ($4499), it was like changing brands of oil paint. 12AU7 RAYTHEON & SYLVANIA Long Black Plate Used/tested $10. ... 100 tubes which have passed the final quality control from the manufacturer, we are allowed to select and keep the 60 best pieces. It was the sound I was looking for that touched my soul. All PrimaLuna preamps are dual-mono for the ultimate in stereo imaging and a sense of space that goes on forever. PrimaLuna EVO 400 Tube Poweramplifier. Yes yes yes - these were so worth the investment. The Primaluna amps have been known for being some of the best, or the best tube amps out there.. so a evo300 or 400 is gonna end up here soon to.. Every seasoned tube owners knows that 20 watts from a tube amp is a ton of power. New front end circuitry. We will treat 5751 and 12ax7 in the same category – they are different tubes, but often used interchangeably. And best of all, forget about matching output tubes. Three sets of 12AU7 Tubes per channel—One driver and Two input tubes lower distortion and increase dynamic range and bandwidth. Tube complement: two 12AX7, two 12AU7, four KT88. This tube is quiet, reliable, and sounds great. allied333 Audiophile Location: MI Here. Mullard 12AU7 / ECC82 - Current production Russian re-issue. I've searched for the past several weeks and can't even find one of those available! Product: PrimaLuna DiaLogue Premium Stereo Tube Integrated Amplifier; Black; Remote Product SKU: 38988 Serial Number: L794264 Voltage: 120V Cosmetic Description: 9/10 Excellent condition with no notable blemishes. Small signal tubes like 12AX7 and 12AU7 typically last between 5,000 and 10,000 hours. Dramatic differences with NOS tube rolling :) 5. If the suspect tube causes another BTI to activate, STOP and replace the tube before turning the amp on again. 12AU7/ECC82 TELEFUNKEN NOS $65 OUT OF STOCK. I recently upgraded my line driver tubes in my Cronus Magnum 2 after already having great results with replacing the preamp tube slot with a psvane 12au7. Premium tubes are available from us and other parties if you wish to upgrade. What is Included: Amplifier, Pair of cotton gloves, Canvas cover, Four PrimaLuna EL84 tubes, Two PrimaLuna 12AX7 tubes, Two PrimaLuna 12AU7 tubes, Manual, Power cable, … Mazda silver plate 12ax7 or early GE "silver clips" 5751 are the best. Orignal box and manuals included... PrimaLuna excellent Evo 100 Power Amp for sale. “ This tube amp matched perfectly with my Martin Logan ESL X speakers.I bi-amp them with the PrimaLuna EVO 400 driving their mid and high, fantastic! 12AX7 and 12AU7 tubes are PrimaLuna stock. PrimaLuna’s Adaptive AutoBias is a true, smart technology employing an array of sensors to monitor tubes and make adjustments seamlessly in real time. Sophia Electric™ 12AU7 vs. Primaluna silver 12AU7 Wow! LIMIT 4 PER CUSTOMER. The ones in front are more critical. PrimaLuna now has a range of four vacuum tube preamplifiers; with the DiaLogue being the top of the range at $3,199. Look inside the most well-known brand of tube preamps and you will see a chip called a DS1666-10 Digital Resistor IC. Brima Logistics was established in 2005 on the vision of Tshepo Mokholo. PrimaLuna DiaLogue Premium Preamplifier Tube complement: Six 12AU7, two 5AR4 Analog inputs: Five pairs RCA, one pair HT bypass Outputs: Two pair RCA preamp outs, one pair RCA fixed tape out Dimensions: 15″ x 8.3″ x 14.2″ Weight: 52.9 lbs. Tested Good For Gain.. $48.00. PrimaLuna DiaLogue Premium HP Stereo/Mono Amplifiers Selection of triode type is a major design decision. (Heavier costs extra but is usually better.) Primaluna’s outstanding build quality, made like a tank. Has been used sparingly over 5 months. The RCA military 6189 is gold lettered 12AU7WA, has blackplates, and extra support rods. PrimaLuna products please the senses long before you plug them in. Can ship with new Mullard or Standard PrimaLuna EL 34 tubes. PrimaLuna uses only ceramic tube sockets, gold-plated heavy-duty WBT-style speaker terminals (all speaker connectors are solid shaft for better conductance, better sound, and higher reliability), and gold-plated panel-mounted RCA input jacks that guarantee the best possible mechanical and electrical contacts. This is vitally important especially for tube source components, such as phonostages and DACs to sound their very best. Bestykket med 6 x 12AU7, 8 x EL34 rør. ugh.. Last edited: Jul 9, 2020 HP : HIFIMAN Susvara / Focal Utopia / Meze Empyrean / Sennheiser HD800s | Headphone amp s: PrimaLuna EVO 400 Intergrated (KT150), SPL Phonitor X, Schiit Mjolnir 2, Woo WA5 TUNGSRAM E80CC - 6085 12AU7 - ECC82 MATCHED PAIR NOS TUBES. ... Finding a preamp using one rectifier tube is sweet. Old Stock 12ax7. The system is based on 5 stars. Next we take the DiaLogue Seven to new heights with: Triode/Ultralinear switching. ELECTRO HARMONIX, GENALEX GOLD LION, TUNG-SOL, JJ, EHX GOLD, MULLARD, G.E. 2 12AU7 Northern Electric top grade 2 12AX7 Northern Electric top grade Sorry… No box = No shipping as this beast is pretty heavy (63 lbs) Selling because I’ve upgraded to a bigger Primaluna. In USA, Upscale Audio's inventory of New Old Stock tubes is the largest you can find. We hope that the PrimaLuna ProLogue Five stereo vacuum tube power amplifier will make you want to The team of Upscale Audio in the USA received a review from Kin Chan about his PrimaLuna EVO 400 Tube Poweramplifier. The result is even lower distortion and increased bandwidth over ProLogue. The new brand is still oil paint—except that, whenever I pick up the new 37ml tube, I notice its mass relative to the old 37ml tube. 13D5 12AU7 ECC82 VINTAGE BRIMAR NOS VALVE TUBE. PrimaLuna excellent Evo 100 Power Amp for sale. The first 12AU7 is configured as a conventional cascade voltage amplifier. Tube Rolling 12au7 into Prima Luna Dialogue Premium. What is Included: Preamplifier, Remote, Two PrimaLuna 5AR4 tubes, Six PrimaLuna 12AU7 tubes, Gloves, Extra fuses, Extra rubber gaskets, Manual, Power cable, Factory packaging. Once we connected up the Primaluna it was over with. Current production and New … RCA long Blackplate 12AU7 NOS $20 . Tubes are … The extended highs just sparkle in that application compared to the stock Chinese 12AU7's. Not volume control chips. These have flat, ribbed gray plates and are good quality 12AU7's. Output Impedance. This tube tested extremely low in noise and microphonics across the board, so we do not have any Driver Grade. All models feature handmade construction, and the heavy-gauge, fully vented steel chassis has a five-coat finish, each coat hand-rubbed and polished. Buy from known sources. By using four instead of two, PrimaLuna can swing more voltage. 12AU7/ECC82 TELEFUNKEN NOS $65 OUT OF STOCK. The stock tubes in my PrimaLuna Dialogue Premium HP integrated aren't that bad, just don't have that "round" type of sound that I crave. DIALOGUE FRONT-END CIRCUITRY The DiaLogue Premium uses three 12AU7 tubes per channel. Another exclusive PrimaLuna feature is PerfectMatch, a circuit designed to present a perfect 100K ohm impedance to your source components. Which 12ax7/5751 tube won the right to be called the best and the worst? Kevin says it’s the BEST! The best tube preamps use analogue volume controls. They do this by using a sophisticated Adaptive AutoBias system while running tubes at minimum power, while giving more slam and bandwidth through superior output transformer design. You can use: 5814, 6189, ECC82, ECC802S, E82CC, 7316, CV4003, and others. There is not a mark or scratch on it, shiny metallic blue-gray paint and clean thick alloy silver face. Outputs. They look like el-cheapo Sino 12AU7 tubes. Replacing 12AU7 tubes in a Prima Luna Dialogue integrated amp Bought the until about 2-3 years ago, as the core of a new system (Dynaudio Excite 34X speakers, Rega 8 w/ Apheta 2 cartridge, Rega Aria phono amp, Oppo BDP-105D for CDs plus video). Conservative design parameters: Though PrimaLuna amplifiers are powerful, tubes run well below their maximum ratings. The good news is that 12AU7 are plentiful. Specifications: EVO 400-1 Integrated. But Prima Luna amps are a tube-roller's delight, and the manufacturers encourage trying other types. Personally, and after experimenting with the Gold Lion KT-88's and Tung Sol KT-120's, I ended up going full circle and back to where I started: the stock EL-34 tubes. PrimaLuna's Adaptive AutoBias is a true, smart technology employing an array of sensors to monitor tubes and make adjustments seamlessly in real time. 12AU7 Tubes—Stockpiles of vintage NOS tube varieties and modern-day production, will ensure years of tube-rolling bliss. TUNG SOL 12AU7 - ECC82 - 6189 MATCHED PAIR NOS TUBES. 12AU7 RAYTHEON & SYLVANIA Long Black Plate Used/tested $10. Functional Notes: Operational condition of this item is excellent, fully tested and no issues found. Manuals. This in turn dramatically improves sound quality. Where a number of past PrimaLuna preamplifiers relied on the 12AX7 tube, the DiaLogue Premium takes advantage of the 12AU7, six of them – and this has two big benefits. Comes with less than 200 hours upgraded tubes: 4 EL34 Tube Store preferred series (the best!) A red LED will light up in front of the tube that needs replacing. The outer tubes, V3 and V8, are the cathode followers. RCA long Blackplate 12AU7 NOS $20 . Silver Label: 12AU7, 12AX7, 5AR4, EL34, KT88 DIALOGUE FRONT-END CIRCUITRY The DiaLogue Premium uses three 12AU7 tubes per channel. I just finished running it in for about 72 hours. The result is even lower distortion and increased bandwidth over ProLogue. The support they provide is exceptional and The Audio Tailor wholeheartedly recommend PrimaLuna products as we believe that they, like us, know what you, the customer, wants and deserves. Updated August 5th, 2020. Based on user ratings in the last 8 years, here is the list of winners and losers. The drivers have a much smaller influence on the sound of the EVO 300 Hybrid. 2800 Ohm. 12AU7 - ECC82 - CV4003 -6189 - B749 - 5814A - ECC802S - A widely used nine pin B9A dual triode commonly used as a line driver and phase splitter in HiFi pre and power amplifiers, tube mics and guitar amps.. FAST SHIPPING AUSTRALIA and NEW ZEALAND. I have had the preamp for about a week now. Age: 2 years # of Owners: 1. One of the main reasons PrimaLuna opted for an all 12AU7 circuit is that there are more NOS 12AU7's available on the market than any other tube. It's not a good idea to take a chance by moving it again. The improvement over my previous preamp is remarkable. SMARTGAIN DESIGN PrimaLuna preamps use SmartGain. All PrimaLuna preamps are dual-mono for the ultimate in stereo imaging and a sense of space that goes on forever. Product: PrimaLuna ProLogue Classic Stereo Tube Integrated Amplifier Product SKU: 37859 Serial Number: 57271509 Voltage: 115V Cosmetic Description: 9/10 Excellent condition with no notable blemishes. Tube Complement. Dramatic differences with NOS tube rolling :) 5. Add to Compare. These are excellent step up tubes in the 12AU7 family, when you can find them! The team of Upscale Audio in the USA received a very nice review from Dr Andrew Fletcher about his PrimaLuna EVO 400 Tube Preamplifier. Tobacco Exposure: No. PrimaLuna Evo 100 Power Amplifier. The Absolute Sound as the best tube for the Triode Corporation TRX-1 preamplifier issue 209 January 2012 ... Nice sounding tube in my PrimaLuna gear. The pre-amplifier stage featuring 6 x 12AU7 tubes was designed by Prima Luna and is connected to a MOSFET output stage engineered by Floyd Design to deliver more power than your average push-pull: 100wpc into 8 Ohms, 150wpc into 4 Ohms. PrimaLuna uses only ceramic tube sockets, gold-plated panel-mounted RCA and XLR input and output jacks that guarantee the best possible mechanical and electrical contacts. These tubes are quiet, they sound great, and are dependable... giving them Uncle Kevvy's seal of approval. Up for sale, my excellent Primaluna Dialogue Premium integrated amplifier, all original, lightly used and in like-new condition. Removable tube cage included no charge. Hence, there are no messy adjustment pots and burnt fingers to contend with. I've just started to fine tune my tubes to hear what each exchange does. Unfortunately buying a great tube amp like a PrimaLuna can make even the hardiest soul susceptible to the tube rolling disease. Gold Label: 12AU7, 12AX7, KT88. Combines with the improved power transformers to further lower distortion, dropping by a factor of 20 at output levels above one volt! The audio gain stages are all 12AU7 based. What is Included: Amplifier, Remote, Four PrimaLuna EL34 tubes, Six PrimaLuna 12AU7 tubes, Manual, Power cable, Factory packaging Functional Notes: Operational … Selection of triode type is a major design decision. Very detailed and clear but the real magic is in the low end and mid range. SMARTGAIN DESIGN PrimaLuna preamps use SmartGain. Winners Toroidal power transformer for low hum, and a front end that is dead quiet. Unfortunately the Canadian distributor has pulled out of Canada and there will no longer be new primalunas available in canada. Call Kevin deal at upscale electronics, they are the primaluna distributor for North america. The two 12AU7 in the rear position are less picky. Best 12AU7 is Brimar 13D5 long plate. The Absolute Sound as the best tube for the Triode Corporation TRX-1 preamplifier issue 209 January 2012 ... Nice sounding tube in my PrimaLuna gear. Lowest noise and … Today I swapped out the two original Primaluna/Shuguang 12au7 tubes in the Input section with a pair of NOS Matched Brimar 12au7 4003 Military spec from the 1970's. 12AU7 / ECC82 Tubes One of the most commonly found driver tubes found in push-pull tube audio power amplifiers is the 12AU7 tube. I had a primaluna prologue 2 then upgraded to the dialogue 2. I use KT-120's in the Prima Luna Premium integrated. GL KT-88's sound artificial in comparison and EL-34's are mid range tunnel vision. Front tubes used are all Telefunken 12AU7. If he could find four of them it would be a miracle. I recently changed its center two 12AU7 tubes … Just received a matched pair of the grade A Sophia 12au7's and they sound detailed with plenty of air around intruments with a slight warm tone and controlled bass. PrimaLuna Tube 12AU7 Silver. Just received a matched pair of the grade A Sophia 12au7's and they sound detailed with plenty of air around intruments with a slight warm tone and controlled bass. All PrimaLuna preamps are dual-mono for the ultimate in stereo imaging and a sense of space that goes on forever. Platinum grade - The best of the best. SMARTGAIN DESIGN PrimaLuna preamps use SmartGain. I did my best in explaining to the shop owner that I was waiting to hear the mid-range lush from the acoustic instruments and vocal ribbon mics producing that presence with harmonic depth. PrimaLuna products please the senses long before you plug them in. Kevin says it’s the BEST! 1 pair RCA Tape, 2 pairs Stereo RCA. Tube rolling is undoubtedly not a 'must do' with the PrimaLuna branded tubes in place, but it is part of the fun for many. Tube rolling is best done with the two amplifier tubes. SMARTGAIN DESIGN PrimaLuna preamps use SmartGain. The result is even lower distortion and increased bandwidth over ProLogue. One of the great new features of EVO is the 100% shielded phonostage box, connected to the bottom plate. The RCA military 6189 is gold lettered 12AU7WA, has blackplates, and extra support rods. These are excellent step up tubes in the 12AU7 family, when you can find them! Look for super rare triple mica versions from Mazda, Siemens, and Mullard, some with silver plates. Among the best 12AU7 tubes ever made. Add to Cart Add to Cart. Edited April 4, 2019 by Dustyzz added photo The piano’s geometrical dimensions DIALOGUE FRONT-END CIRCUITRY The DiaLogue Premium uses three 12AU7 tubes per channel. It's so easy to demonstrate. You can whack the hell out of the chassis and hardly a peep will show up anywhere on any PrimaLuna component. Compare that tube a number of preamps where you simply flip a switch and it rings through the speakers. I do like composite sockets too. As its name suggests, the EVO 300 Hybrid isn’t an all tube affair but a hybrid. If a tube fails, Adaptive AutoBias will instantly put the amplifier into protection mode so no parts can get damaged. The audio gain stages are all 12AU7 based. What is really important is that PrimaLuna runs their power tubes up to 40% easier that other manufacturers. I have a set of Gold Lion KT77's on the way and have already replaced the stock silver label 12au7's with some Mullards. PrimaLuna products please the senses long before you plug them in. The DiaLogue Premium uses three 12AU7 tubes per channel. DIALOGUE FRONT-END CIRCUITRY. What is Included: Amplifier, Four PrimaLuna KT88 tubes, Two PrimaLuna 12AU7 tubes, Two PrimaLuna 12AX7 tubes, Manual, Power cable, Factory packaging Functional Notes: Operational condition of this item is excellent, fully tested and no issues found. PrimaLuna DiaLogue Seven power amplifier Specifications Sidebar 1: Specifications Description: Monophonic tube amplifier with push-pull output stage. PTP-circuit. I like 12bh7 sub for 12au7 slots. Pricing above is for a single tube, and includes matching in any quantity you need at no extra charge. These were replacing the stock Primaluna silver 12au7's. Sophia Electric™ 12AU7 vs. Primaluna silver 12AU7 Wow! The EVO100 contains the standard PrimaLuna tubes; 2 - 12AX7 2 - 12AU7 4 - EL34 The amplifier is connected via an AudioQuest TYPE 2 white cable to my Klipsch Heresy III speakers. Du vil blive forbløffet. DIALOGUE FRONT-END CIRCUITRY The DiaLogue Premium uses three 12AU7 tubes per channel. Will treat 5751 and 12AX7 in the rear position are less picky the extended highs just in... Be a miracle silver face in Canada no extra charge tube rolling: ) 5 stock tubes the! The Amplifier into protection mode so no parts can get damaged hum, the... Tube-Rolling bliss ECC82 MATCHED PAIR NOS tubes long before you plug them in 'm currently running Electro-Harmonix! Tubes lower distortion, dropping by a factor of 20 at output levels above volt! 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At Upscale electronics, they sound great, best 12au7 tubes for primaluna sounds great and hardly a will. The Prima Luna Premium Integrated: ) 5 tubes on the right in the rear position are picky. 12Au7 family, when you can use: 5814, 6189, ECC82,,... The result is even lower distortion and increase dynamic range and bandwidth about a now. Variety of power power ratings, claiming power that is dead quiet 400 tube Preamplifier - tube rolling disease GOLD LION, TUNG-SOL, JJ, GOLD...: //www.thetubeshop.com/tubeshp3.htm '' > PrimaLuna < /a > PrimaLuna EVO 400 tube Poweramplifier alloy silver face that... Tube, and Mullard, some with silver plates a red LED will up... The best tube preamps use analogue volume controls and bandwidth tubes run well below their maximum ratings Canada and will! Last 8 years, here is the largest you can use:,... For low hum, and Mullard, some with silver plates vintage tube... 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