Single Ended Output Transformer Uk. EDCOR is a leading US manufacturer of high-quality audio, power, a

EDCOR is a leading US manufacturer of high-quality audio, power, and custom transformers. 5K Ohms primary with up to 20Watts output level into 4, 8, 16 Ohms. Tube Output Single Ended Audio Transformers / Signal Transformers are available at Mouser Electronics. Transformers We have chosen to carry James Audio output transformers because of their strong reputation, their roots in the Tango transformer world, and their reasonable prices. 0 Kg. For push-pull output use, see our 125 series - optimized for push-pull tube output circuits. Electrons flow into the capacitor and the voltage goes up, like filling a bucket. 14 winding sections. The single-ended (SE) power output stage is the simplest form of power amplifier. 5k Ohms primary, and its frequency level is flat between 25Hz and 90,000Hz (+-2db). If these currents are equal they will cancel out and this is why push-pull output transformers can be made much smaller than single ended ones with the same power rating- there is (almost) no standing current in the transformer so no air gap and less iron is required. 14 fully balanced winding sections. I want to do a single ended el34 amp, are there any designs out there that use just 12ax7s for the preamp? A high quality 3. Mouser offers inventory, pricing, & datasheets for Single-Ended Audio Transformers / Signal Transformers. Inductance Pri. 5K and 3. 00 Add to cart Fender Bandmaster 4/8/16 Output Transformer - APD-8006H Amp Maker 5W Single Ended Output transformer Two versions are available, one with flying leads and the other with solder terminals. All our single ended output transformers are air gapped and the maximum standing current before saturation is indicated. Sep 23, 2017 · Hi I want to know some very good brand of output transformer for single ended amplifier. 71mm difference in lamination thickness and use of flying leads instead of terminals (U-808) these two transformers seem to be technical and physical twins. 8k to 8ohm output transformer (calculated). The secondary has 3 taps taps to match 4, 8 and 16 ohm HC-507U Single-Ended Output Transformer The Hashimoto HC-507U is for applications that require 5K or 7K Ohms primary with up to 20 Watts output level into 4, 8, 16 Ohms. I want to do a single ended el34 amp, are there any designs out there that use just 12ax7s for the preamp? Apr 20, 2023 · Disclaimer, first my single ended amp used a 6. 5U Single Ended Output Transformer The Hashimoto H-20-3. 3500 Ohm Single ended 10W Output transformer (KT88 or similar) £ 65. ) The primary will have two (single ended), three (push pull, or very rarely single ended with ultra linear tap), or five (push pull with ultralinear taps) leads. TAD Output transformer SE (single ended) 1x6V6, 4, 8, 16 Ohms Grand Stack version with more iron, thus more power, more bass and finally more tone! 60Hz - 25KHz +-1. Max 15 mA dc. Mar 16, 2013 · Components and CircuitsFor discussions about component types, alternatives and availability, circuit configurations and modifications etc. 00 Add to cart Fender Champ Style 15W Upgrade Single Ended 4/8/16 ohm 15W Output Transformers APD-8031H $65. The connection of the tubes to the output transformer and the kind of transformer employed are the primary differences between single-ended and push-pull circuits. The H-20-3. 3VAC filament transformer as an output transformer; thought it sounded marvelous. Dec 3, 2025 · This transformer type is considered to be one of the best existing output single ended tube audio transformers. The single-ended amplifier only needs to work in one direction because it has a single driver that is constantly active and running on a bias. Dec 9, 2018 · Hi guys n girls newbie here looking for some pointers on a 300b build,the most suitable output and power transformers to use. This is the same Partridge transformer type as the type TH4663, also marked as TK4519 and used by Jean Hiraga in his 300B SE amplifier. Fully Assembled boards: 150 to 180 USD + shipping depending on interest Bare boards: 12 to 18 USD + shipping depending on interest, see BOM in attachments Discover high-quality Hashimoto single-ended output transformers for superior audio performance, ideal for audiophiles and amplifier enthusiasts. Feb 16, 2024 · Audiophile Tube Output Transformers Whether you are into the clean, free spirited “Single Ended” tube output or high efficiency, high power, “Push-Pull” audio, Hammond has the output transformer for you. The impedance of the anode windings can range from several hundred ohms up to 10 kohms. any help most appreciated. All output transformers can be divided into two groups. Audiophile Tube Output Transformers Whether you are into the clean, free spirited "Single Ended" tube output or high eficiency, high power, "Push-Pull" audio, we have the output transformer for you. This Audio / Output transformer is part of a specialist range of output transformers for use with SINGLE ENDED guitar amplifiers. 5U has been designed for applications that require 2. oep. SE12 Parallel SE output for 2 x 300B - 9950 1 Watt Tweeter Output Transformer for 417A triode or similar. 0 new watchers per day, 849 days for sale on eBay. Our products have been installed worldwide for over 60 years. LAIDYS-30WD 30W Single Ended Output Transformer 180mA For 211 VT4C 845 805 GM-70 Tube Power OutputLAIDYS-30WD:- Purpose: Single-ended 211, VT4C, 845, 805, GM-70, 813, etc. Our range of high quality single ended transformers. A high quality 3. Single ended output for 6F6 tube. Hammond has been producing tube output transformers continuously for over 75 years, constantly improving and tweaking their performance. OX5 1FP Tel: (01865) 885085 Fax: (01865) 855075 Website: www. For full frequency response (20 Hz. The turns ratio between primary and secondary is the major tool performing this job. Specially designed for use with Hi-Fi valve amplifiers. (Pentodes need the feedback loop to compensate for their high impedance. The power out curve show us that max power out occurs when the load is about ri/6. co. This is very different from the distortion, power output and load triode curves shown above. 11 High performance transformers for most valves and circuits. It is basically the same as an ordinary gain stage, but instead of a load resistor we use an output transformer. Audio transformer, universal single ended tube output, 15 watts Click a box below to see full product details. Designed for the Mullard 3-3 amplifier but may be used in any single ended design with a valve having an output impedance of 5000 Ohms, such as an EL84. Circuit available on request. - ref. We wind our Single-Ended output transformers on two chamber bobbins which enables us to provide multiple interleaved winding sections to maximize coupling without excessive inter-winding capacitance. If too many electrons go in, the bucket overflows or bursts (the capacitor explodes). 3000 ohms 10W SINGLE ENDED OUTPUT TRANSFORMER FOR EL34 ETC Hammond's 1750 series of tube guitar amplifier transformers are designed for drop-in replacement of original units. Nov 13, 2020 · I'm looking at doing a 15W version of a Matchless DC30 (only 2 x EL84's), and I have an old 5. Single ended output transformer for triode connected EL84 or similar valve requiring a 5000 ohm load Mar 16, 2013 · Single-ended output transformers Components and Circuits Jan 29, 2021 · On a single ended transformers the balancing act that the designer must perform becomes less and less stable as the power goes up, (core size increases). Hammond's 125SE series universal single-ended tube output transformers are designed for general purpose or replacement use in single-ended tube output circuits. 11 Hammond's 1627-1642 series single ended tube output transformers are designed for high fidelity and chassis type X mounting. The output transformer and the power transformer are the same size, which is very rare in the past tube audio. Tube amplifier output transformers All OPTs are built in our dual coil single C-core style and can be ordered with a choice of core air-gap for Push-Pull or Single-Ended applications. I have a LL1623/60 in my DIY amp driven by 46s and the following on the shelf: LL1682/50 LL1620/80 I'm liking the sound of this, and would like to know how good it can get with output transformers. Gapped M6 core. This will show any variations (values, options, etc). Now available the 5-10 Output transformer and mains transformer It is with great pleasure that we are now able to offer our version of the Mullard 5-10 Output transformer and mono mains transformer. High performance Single Ended Output Transformer for 300B Triode 2500 ohms 15W SINGLE ENDED OUTPUT TRANSFORMER FOR 2A3 ETC 2500 ohms 20W SINGLE ENDED OUTPUT TRANSFORMER FOR 300B, 2A3 ETC A high quality 10W Single ended output transformer. A very high quality 20W Single ended output transformer. The EL84 datasheet examples say 8k primary. – Axiom Power Transformer – Axiom Output Transformer (4, 8, 16 Ohm Taps) – Other parts necessary to make the upgrade – Fully illustrated step-by-step color manual, with wiring schematics and instructions Also consider adding our 9 Henry Mini-Choke for a big affect on the overall tone and feel of your amp. TU-8200R OUTPUT TRANSFORMERS (SOLD SEPARATELY) original Elekit E & I output transformer for the TU-8200R For those building their own amplifiers from scratch, these output transformers are suitable for single-ended amplifiers that use an output valve such as a 6L6GC, EL34, 6CA7, KT88, and 6550. High performance single ended output transformers with high grade M6 laminated core. What power tube (s) would be a good match for this transformer, either single or dual parallel? Aside from a 3. Jan 26, 2021 · The characteristic of Mido R10-2 high-fidelity amplifier is that it does not hesitate to build Hi-Fi on the output transformer. uk DESCRIPTION 5k to 8 / 16W single ended output transformer ISSUE DATE Single-Ended Audio Transformers / Signal Transformers are available at Mouser Electronics. 3v secondaries. 100% Mumetal core 3500 Ohm Single ended 10W Output transformer (KT88 or similar) £ 65. power output;- Power: Continuous output power 30W (30Hz);- Impedance: 10KΩ: 0-4Ω-8Ω (or Ω: 0-8Ω-16Ω);- Current: Primary maximum IpMax: 180mA;- Frequency response: 10Hz All capacitors are either Black Gate Electrolytic or Audio Note (UK) silver foil. I am looking for high end ones or sounds like the high end stuffs. or pentode tubes). This transformer is built in Mexico to our custom design specs and a lower price. Nov 25, 2025 · This Audio / Output transformer is part of a specialist range of output transformers for use with SINGLE ENDED Hi-Fi amplifiers. 5dB ! This Audio / Output transformer is part of a specialist range of output transformers for use with SINGLE ENDED Hi-Fi amplifiers. 5U has an Ultra-Linier tap for both 2. Audio transformers optimised for all applications. Weight 1. Worldwide shipping. Date 1 - 20 of 40Modeling a transformer Output Transformer For A Single Valve (single-ended output) Turns and Impedance Ratio Because of its close similarities with the LF choke carrying DC, it is relevant to mention the single-ended or class A audio output transformer for a single power valve here. Bifilar and Trifilar wound double C-core output transformers designed for the 300B or single 2A3 with 2K7 primary impedance and 4 & 8 Ohm secondaries for single-ended operation, 90mA Standing Current, 50 Watts. All transformers are our own in-house custom designed and manufactured devices; driver and output transformers are fully silver wired AN-Perma 50 nickel C-core and the mains transformer is a fully silver wired HiB double C core. Charging a capacitor is fairly intuitive. Lundahl Output Transformers All Lundahl's output transformers are of the dual coil single C-core type and can be ordered with a choice of core air-gap for Push-Pull or Single-Ended applications. I enclose a shootout below which Aug 4, 2016 · OT10SE Standard HC87: Shielded Version (lower profile HC87 Covers) Single-Ended Output transformer This is a new 12VA Single Ended model OT10SE Output transformer for tube guitar circuit applications (82Hz to 10KHz) using power tubes such as 6L6, 6V6, 5881, KT66 or EL84 and will carry 60mADC current. Open style with minimum 12" long primary Single Ended 3K5:32/75/150/300R 12W UL Headphone Transformers (Pair) Pair of Single Ended Output Transformer for Headphone amplifiers ,12W ultralinear Designed for EL84-6BQ5-ECL82-ECL83 in triode mode or tubes with similar impedance, built in a massive core for lowish distortion in low frequencies. Fender Deluxe Style 8 ohm Output Transformer - APD-8002H $65. 0-190-275V 20W frame transformer 0-190-275V 20W power transformer 15W single ended output transformer 18W push pull output transformer 4W push pull output transformer 5W single ended output transformer All OPTs are built to order in our dual coil single C-core style and can be ordered for Push-Pull or with a choice of core air-gap for Single-Ended applications. It limits maximum gain but makes the amplifier a voltage, not current source. DCR Pri. The most versatile output transformers for DIY single-ended amp projects are probably the JS-6112HS, JS-6113HS, and the JS-6123HS. I only know Lundahl is one of the top end, I want to get opinion what other brands to look at. 23 – £ 87. 5k 20 watt single ended output transformers from primarywindings in the UK but can't find any feedback on them, has anyone on here used them? The prices are fair and the only other UK based transformers I can find are sowter and they're out of my price range. Response Pri. All OPTs are built to order in our dual coil single C-core style and can be ordered for Push-Pull or with a choice of core air-gap for Single-Ended applications. Designed initially for single ended 300B amplifier but may be used in any single ended design with a valve having an output impedance of 3500 Ohms. Single Ended Output Transformers for power amplifiers, designed to match the valve data in the data sheets. Requirement is it has to be very good sounding. Feb 1, 2015 · H-20-3. A specialist range of SINGLE-ENDED (SE) Output Transformers designed specifically for use in Hi-Fi valve amplifiers. Mar 12, 2025 · Single-ended valve audio output transformer General Vintage Technology Discussions Now with flying leads for a professional looking build. This series includes high quality laminations, gapped core, and single ended, Class-A, tube output circuits (triode, tetrode. Not only is the material heavy, but the workmanship is very good, the sound is extraordinary. 375" Mounting Type: U-bracket Weight: 0. Hammond's line of guitar amplifier replacement transformers offers compatibility for Fender, Marshall, Yorkville/Traynor, Gibson, and more. Dec 5, 2023 · I have a single ended (25 watt) output transformer with 3K primary and 4, 8, 16 ohm secondary. Our single-ended transformers are available in: See the table below to view the datasheets and associated ISO information for this product: 15 Watt SINGLE ENDED OUTPUT TRANSFORMER Made by Modulus in the UK This is a Single Ended output transformer for a single EL34 or 6L6 Power valves. Single-Ended Audio Output Transformers The UBT series of single-ended output transformers are well-known for their clean, detailed sound, and broad bandwidth. 1500 ohms 30W SINGLE ENDED OUTPUT TRANSFORMER FOR PARALELL KT88, EL34 ETC Replacement power and audio output transformers for Fender Champ 5F1 guitar amplifiers from 1956 to 1964. 9915 Ampex 350 Line Output 15K/600 Single ended line output for Ampex 350. This 15W output transformer is a natural step-up from OT01 (which is designed for a single EL84/6V6 and 5W of power): it's designed for use with larger and higher output octal power valves. Frequency response: 100 Hz. I will have both fully assembled and bare boards available. Hi-Fi valve amplifiers typically operate between 20Hz and 20kHz. I have a 5000 ohm 15 watt output transformer, some 12ax7s, and a power transformer with 430v, and 6. May 26, 2020 · That made it possible to build a Class A single-ended amplifier with 27 watts of output power, quite substantial for this concept. Transformer Regulation The regulation of the transformer is very important – that is, the virtue of its having only a small output voltage variation with varying current loads – and depends to a great extent on the iron of the core, the shape of the core and the filling of the window space with windings, there being no large gap between the BB Output Freq. This ensures minimal distortion and low insertion loss. max DC Current Dimension Oct 13, 2022 · The figure below shows typical behaviour of a single ended pentode/beam tetrode when used as a single ended output stage. Excellent bandwidth and transient response. Best low frequency performance is obtained when driven from a low impedance source (Valve with a low plate resistance, rp) but 20Hz 3 dB point possible with a 5K source. AF/Teramoto FINEMET® Main Isolation Transformer *Case Finish Product Name FINEMET Toroidal Isolation Power Transformer 840VA Jul 2, 2019 · Hashimoto Inter-Stage Driver Transformers for Single-Ended/Push-Pull High performance single ended output transformers with high grade M6 laminated core. High performance transformers for most valves and circuits. Nov 19, 2025 · With the growing interest in vintage Hi-Fi and the resurgence for vinyl, we’re constantly adding to our selection of audio components. We list their current production line. One of my personal pet peeves is when people refer to single ended transformers as Ultralinear. 100% M6 core for high level capability, Can be configured for 5:1 or 10:1 ratio. HC-203U Single-Ended Output Transformer The Hashimoto HC-203U is for applications that require 2. ) - see our 1627-1642 series. Audio Asylum TraderPartridge TK7441 SE Output Transformer Pair, NEW 5000 ohms 20W SINGLE ENDED OUTPUT TRANSFORMER FOR 845 ETC Single-ended valve audio output transformer General Vintage Technology Discussions The output transformer is, without doubt, the single most important component in any high-quality valve amplifier. 1 Khz). All our output transformers are tested on insulation levels of minimum 3KV except our 845/211 output transformers which are flash tested at 5KV. Output can be strapped for 150 or 600 ohms. Aug 24, 2018 · All, I have designed a stereo RCA (single-ended) to XLR (balanced) converter. Replacements for vintage recording equipment. to 20 Khz. 95 ClassicTone # 40-18115, Fender Champ Style, 5W, Single Ended, Output Transformer, 8K Ohm Primary to 4 Ohm Secondary 40-18115 SINGLE ENDED OUTPUT TRANSFORMER 10,000 ohms 25W FOR 211 ETC A specialist range of SINGLE-ENDED (SE) Output Transformers designed specifically for use in Hi-Fi valve amplifiers. Specially designed for use with Guitar Amplifiers, where a frequency response (aka bandwidth) of between 80Hz and 6kHz is typically required. PicClick Insights - Amplifier Output Transformer 10W Single Ended (EL34) OEP R120A15F PicClick Exclusive Popularity - 5 watchers, 0. 00 Add To Cart MP-100W50 100W Output Transformer Gapped single ended output transformers for tube amplifiers. Most of their transformers can be configured for different primary and secondary impedances. 5W Single ended output transformer. Transformers for Single Ended amplifiers and transformers for push-pull amplifiers. The use of C-cores with well-defined air-gap results in an almost constant […] Jul 9, 2020 · I'm thinking about ordering a pair of 3. We have been producing tube output transformers continu-ously for over 75 years, constantly improving and tweaking their performance. 15k/150+150 ohm output transformer for driving a balanced ohm line from single ended triode stage. ISO-SEoutputSINGLE ENDED Output Transformers (SE) Audio Asylum TraderPartridge TK7441 SE Output Transformer Pair, NEW Feb 1, 2015 · H-20-3. 5K Ohms primary with up to 20 Watts output level into 4, 8, 16 Ohms. 00 Add To Cart MS-30W50 30W Single Ended Output Transformer $89. Nov 23, 2019 · Acxico 1Pcs 5K 5W Single-Ended Output Audio Transformers 6P1 6P14 6P6 Tube Amp Output Transformers Brand: Acxico FREE Returns Oct 12, 2007 · I'm just the latest in many converts to the SE 300b sound. 5K or 3. It is impossible to make a truly exceptional amplifier without investing in the best possible output transformer, which in turn must be correctly designed for the circuit and valves being used. Available in 120V only. APPLICATION For driving a balanced or unbalanced audio line from a single ended pre amplifier. 465kg Unit 5, Oxonian Park, Langford Locks, Kidlington, Oxfordshire. SA01 SE Output for EL84 (Guitar) - SE15 Parallel SE Output for 2 x KT88 or EL34 Amp Maker 5W Single Ended Output transformer Two versions are available, one with flying leads and the other with solder terminals. TF110-4816-ULpaper 30W SE Output Transformer USA HiFi MonoBlocks 300B 2A3 6B4G Universal Single Ended Ultralinear MADE IN USA 30WSEOT $129. Send us your enquiry here. The maximum power of such transformers is 100 W. Mar 16, 2013 · Single-ended output transformers Components and CircuitsComponents and CircuitsFor discussions about component types, alternatives and availability, circuit configurations and modifications etc. 7 lbs Dec 5, 2023 · I have a single ended (25 watt) output transformer with 3K primary and 4, 8, 16 ohm secondary. Product line include audio matching transformers, speaker distribution transformer, amplifier output transformers, and power transformers. 7 lbs High performance transformers for most valves and circuits. May be used in any single ended design with a valve having an output impedance of 3500 Ohms, such as a KT88. . What power tube (s) would be a good match for this transformer, either single or dual parallel? The major factor involving the design of this single ended output stage is matching an available output tube to an available output transformer (OT) , which can provide the proper impedance matching. Noting which leads connect to the B+ line, measure the resistance from the B+ lead to each plate of the output tube (s). The 211 triode has low output impedance. All capacitors are either Black Gate Electrolytic or Audio Note (UK) silver foil. Our product list is expanding all the time, so check back regularly or contact us. M6 core. Fully shrouded size "D" with colour coded leads. Aug 4, 2016 · This is a new 12VA Single Ended model OT10SE Output transformer for tube guitar circuit applications (82Hz to 10KHz) using power tubes such as 6L6, 6V6, 5881, KT66 or EL84 and will carry 60mADC current. Mass: 0. Specifications Power: 8 W Primary Impedance: 5,000 Ω single-ended Secondary Impedance: 8 Ω Primary DC Resistance (Red to Blue): 230 Ω Mounting Centers: 2. MS-30W25 30W Single Ended Output Transformer $89. Most of our OPTs can be configured for different primary and secondary impedances. Replacement power and audio output transformers for Fender Champ 5F1 guitar amplifiers from 1956 to 1964. Mouser offers inventory, pricing, & datasheets for Tube Output Single Ended Audio Transformers / Signal Transformers. Discussions here should be of a general nature and not about specific sets. Key Features: Designed for general purpose or replacement use (not Hi-Fi), in single ended, tube output circuits. Fender Champ 5F1The Fender Champ 5F1 is a 5 watt single ended class "A" guitar amplifier. - 15 Khz (+/- 1db max. Single Ended Output transformers suitable for operation in Single Ended mode, predestined to work with vacuum tube in a single-ended topology, are produced based on EI or CC cores, with a slit (a gap). In this way, current flows in opposite directions through the output transformer. Ideal for HiFi pre amplifier or for studio microphone or distribution amplifier. Write the resistance reading down. Free custom design for volume customers.