These are currently not in stock, but you can get more information from the website. This week I go through how I built a EQP5 kit from DIY Recording Equipment. Retro Instruments 2A3 Program EQ. Inside Amp Section | Inside Filter Section | Inside Front Panel | Rear | Fired Up | Painted and Racked | Rack | Rack Rear, A Few Words About "Duplicating" the Pultec EQ. On the plus side, modern EQP-1a equivalents from Sowter have a much smaller footprint which facilitates a 2u rack chassis if desired - and the quality is artisan. The original Pultec EQP-1A is a studio relic, used throughout almost every Beatles recording and continuously sought after by gearheads even today. I ran several sweeps and it's perfectly flat with the eq in and set flat. That's why RecPro Audio's EQP-1a kit complies 100% with the original Pulse Techniques schematic. We even created a guide a few years back detailing how you can emulate the power of the EQ, but it appears Analog Vibes have gone for a more creative approach, offering you a DIY Complete Kit that lets you build the Pultec EQP-1A. I have an analog allstars EQP-1S5 which is great. 2020 Pultec EQP-1a KIT: Contact us for Pultec EQP-1a Kit Availability. This provided a nice way to route the filament wires in the upper corner of the rear of the chassis to keep things quiet as well as keeping the HT stuff away from the passive. AML-17-042 - ez1073- Addon EQ - Full Kit - (500 series Class A Equaliser for use with AML-17-038) Details: Click on image for kit list / information Part Code: AML-17-042 I.e., you can NOT sell PCB's, kits (neither partial, nor complete) or finished units of the DIY projects on this site, without the express written consent of … Projects > Gyraf G Pultec Passive EQ. 150.00. PO Box 855 | Sanibel, FL 33957 | 239-689-5941, Welcome To RecPro Audio's Pultec EQP-1a Site. Building the AML Fairchild 627 EQ. You can buy the ez1073 mic preamp and EQ, ez1081 & ez1073 preamp and ez2254 compressor. Pultec passive chassis grounding . Neutrik jacks, Carling switches, PEC pots, Grayhill switches, Nichicon and Sprague electrolytics Enter your email address to sign up for RecPro Audio's newsletter: These kits sound amazing, just like vintage Pultecs. RecPro Audio will build it for you: Email for a Quote, Completely assembled RPA EQP-1a kit, hand-wired by Ron (cayocosta), point-to-point, tested, ready to use. This is because putting cost above all other considerations means compromises; and by definition, with compromises there are always losses. The World's Most Musical Filters. (Matching available at no charge for pair orders.). AKG TLII->Redd.47->EQP-1A (100cps -3, 10k+10/Broad). Florida residents will be billed the applicable Florida Sales Tax. The Pultec's original Triad HS-56, HS-29 and Peerless S-217-D transformers would have been great, but sourcing them all is very difficult, primarily because of the rarity of the Peerless S-217-D output tranny. It is understandable that when considering a bill of materials for a project, the ancillary costs are often overlooked or greatly underestimated. A true legend of which the magic can be heard on countless records from the golden era of analog recording to the present day. (As my DIY gear has no indicators on the panels, I refer to some controls as "knobs" and "buttons" while mentioning the settings. When is a "Pultec" Not a Pultec, But Just Another Equalizer? The Pultec works great and is very quiet. Order early as production is limited! The filter pcb, carrying all the needed front panel switches and pots, is for convenience made as one 100x160mm pcb, as this size (eurocard) is a standard size of photoresist-pcb. - F.P. The EQP5 employs the passive filter circuitry made famous by Pultec's legendary EQP series of equalizers. PulTec EQP-1 Variants. When your order is ready to ship, you will receive an additional PayPal invoice for the balance due of $1195, plus applicable shipping, per kit. Pultec EQP-1a Equalizers and Kits - RecPro Audio The RecPro kit uses the Sowter Inductors and transformers, so the sound should ballpark … This is a point-to-point EQ Kit (not PCB). Log In. DIY Pultec EQP-1a Layout | DIY Pultec EQP-1a Schematic | EQP-1a Filter Schematic | Parts List (XLS) (Updated 10/2013) | Pultec Manual (PDF). Custom Modifications, Pro Repair. "I had 3 Pultec EQs I sold, and your EQ seems to sound the same! ... Our long-awaited passive EQ kits are finally here! Test features Pultec in and out and compressor ratio changes. This is about as close as you can get to a real vintage Pultec EQP-1a. Feel free to contact me if you're interested in completed, point-to-point hand-wired EQs as shown here. Signal Transformers & Inductor: Hammond universal power transformer (120/220/240v) However, such costs are considerable, easily approaching 30% of total component cost as small part orders from over a dozen vendors (and other sources) means multiple freight charges and the highest unit cost per part. One particularly interesting thing is that the 6x4 rectifier runs off the same 6.3V filament as the 12ax7 and 12au7 tubes, and the power transformer rectifier 5V winding only powers the lamp. November 29, 2014 ReelANALOGAudio Leave a comment. Drawing Inspiration from a Classic For more than a decade now the filter topology used by Pulse Techniques (aka “Pultec”) in their EQP variants (EQP-1/1R/1A/1A3/1S3 and EQH-2) has been my absolute favorite EQ circuit. All family of original Pultec EQs, was originally designed to bring back the life and musicality lost in … As always, RPA Pultec Kits are comprised of only the finest parts available and include everything needed to assemble an accurate EQP-1a clone: The EQP5 is a premium tone-shaping EQ based on the prized Pultec EQP filter circuitry. No portion of this content may be copied, reproduced or published without consent. I now offer a complete Pultec EQP-1a Kit for $1645 that includes upgraded filter section capacitors, a new master layout and 500 high-resolution assembly photos. As the name implies, this EQ is based on the legendary Pultec passive EQ, but designed as a single-space 500-series unit, and made incredibly affordable for those who are interested in soldering together their own gear. Build a DIY Pultec style EQ from DIYRE (HoboRec Bull Sessions #25). Complete audio-grade filter capacitor set (custom made for RecPro Audio) Highly regarded RecPro Audio point-to-point architecture (layout established in 2004) for superb performance and quiet, transparent operation. NOS vintage Opamp Labs 103 LF/104 HF Inductor EQ kit for DIY Pultec Quad Eight style EQ 95.00 Up for sale is a set of two Opamp Labs inductor EQ kits as found in one channel of a 1968 Opamp Labs 201 input module: 1 - 103 Low Frequency EQ Kit Well, I’m pleased to say that my latest idea is one specifically aimed at the DIY community—a 500-series Pultec EQP-style equalizer! Tag Archives: pultec eqp-1a kit. 1950’s Weston 643 large VU meter for custom Langevin RCA tube console limiter preamp. EQP501 The EQP501 is a passive equalizer based on the classic PULTEC EQP 1A , adapted to the '500' format of API*. International orders ship for between $125 and $225 per kit, depending on destination. It also means that any for-profit use of the information on these pages is strictly prohibited. Matched Pair Demo - National Tri-Cone. Machined front, rear and bottom panels (absolutely no drilling required) With RecPro Audio you won't find mojo-compromising adulterations like printed circuit boards, transistors, diodes, heat-sinks, solid-state rectifiers, headers and ribbon cables, etc. Analog Allstars EQP-1S5 500-Series Pultec EQ; Audiox 1695k Studer Eq; Cheap’s 73 EQ; DBD CEQ Equalizer; dBDawg PreQ 500-series Preamp/EQ Kit; Don Classics 250EQ; Drip Electronics Pultec EQP1A EQ; EZ1073 DIY Neve Preamp; EZ1084 Equalizer; G.TEN 500 series graphic eq; Gyraf Calrec PQ1549 DIY Equalizer; Gyraf G Pultec Passive EQ; I.J. RecPro Audio does away with these headaches and obstacles so that you can concentrate simply on assembly. DIYers are also left to mix and match filter capacitors as no manufacturer offers them in all of the values required over the counter. The G-Pultec is Gyraf’s version of the classic passic PEQ1A with some small adaptations for modern components. NOS (or testing very strong) RCA 6X4, 12AU7 and 12AX7 vacuum tubes (balanced) VOS knobs (including Daka-Ware) AKG TLII->Redd.47->EQP-1A (30cps -4, 8k+6/Broad). Signal/Buss/Heater wire and all hardware (washers, stand-offs, grommets, stainless steel screws and nuts), (Other than the new CineMag and Sowter transformers, all components included are exactly as represented in photos on this website. Finally, you can (or could) build one your self from companies such as RecPro Audio, which had a DIY kit for sale for $1,645. All new master wiring diagram and switch layouts Fantastic! The EQ573 is an equalizer based on the design that was originally used in the Neve 1073 and 1084 modules, that has been adapted to the '500' format of API*. As the Peerless is so exotic, I didn't really care about sourcing the input and interstage trannys because without the S-217-D, the point seemed moot. Insured shipping to the continental US is a flat $50 per EQ. The Pultec's original Triad HS-56, HS-29 and Peerless S-217-D transformers would have been great, but sourcing them all is very difficult, primarily because of the rarity of the Peerless S-217-D output tranny. The amp section is on the rear panel. Confessor - National Tri-Cone. NOS Cinch tube sockets Balances due ($1195 per EQ, shipping per EQ, FL Sales Tax if applicable) must be paid in full prior to shipping. For the inductor, I chose Cinemag's Pultec replacement CML-150T. RecPro Audio eliminates and otherwise distributes such charges across larger quantities which results in significant savings on both per unit part cost and the associated freight expenses. Kits are ordered with a $1000 deposit (per Kit) via the PayPal button below. Step-by-step instructional photo-set (500+ high-res images) also includes transformer strapping and switch configurations. Add Point to Point Assembly to Your List of Skills: You'll graduate at the head of the Point-to-Point class with RPA's comprehensive instruction package that takes the guesswork out of assembly and ensures a professional quality EQ when complete. 2020 Pultec EQ Kits are $2195 each and are in stock now. It is particularly worth mentioning that capacitor networks are the heart of the Pultec equalizer filter circuit, therefore using mis-matched cheap computer-grade capacitors is neither optimal for performance nor befitting the high-standard set by the balance of the componentry. 2020 Pultec EQ Kits are $2195 each and are in stock now. *Any and all import duties, fees and/or taxes are the sole responsibility of the customer. Sourcing parts from overseas can also result in unforeseen International bank surcharges and import duties. Kits are ordered with a $1000 deposit (per Kit) via the PayPal button below. DIY Pultec EQ KIT: $1545 This is a point to point EQ Kit (not PCB). This first PCB is for the passive equalizer, and the second is for the amplifier and power supply board. This is a point-to-point EQ Kit (not PCB). CineMag inductor, input & Sowter interstage transformers are encased in Mu-metal cans (steel for the CM-S217D) for optimal noise reduction. Get the P2P experience the easy way. Anything less would be sacrilegious. I've just completed this matched pair of EQP-1As for a client in Texas and have made available a zip file containing 85 new photos below. Fabien-Vegas Corporation is the parent company of RecPro Audio. Any and all import duties, fees and/or taxes are the sole responsibility of the customer. I subsequently published all the research material I had gathered for both pieces, including wiring layouts I'd created myself to aid in their assembly. All kits draw inspiration from Classic British hardware. International insured ground shipping varies from $125 to $225 per EQ. International shipping varies from $150 to $225 per EQ. Decades after their introduction, these EQ… This is the long promised pcb layout for the diy-Pultec PE1A equalizer. Email and/or telephone tech support, Need a Completely Assembled and Ready to Use Pultec EQ? Balance Due: When your order is ready to ship, you will receive an additional PayPal invoice for the balance due of … Product returns and re-orders are also real-world eventualities that can unexpectedly drive up the total cost of a DIY project. Any and all import duties, fees and/or taxes are the sole responsibility of the customer. International Savings and Customs Clearance: Overseas customers realize especially significant savings as the cost of shipping a complete RecPro Audio kit is much less versus the multiple part shipments required independently. Enter your email address to sign up for RecPro Audio's newsletter: DIY Pulse Techniques Pultec EQP-1A Program Equalizer. For those inclined, the original Chicago PCC-55 power tranny does appear on eBay with some frequency and modest pricing. Likewise, chassis milling and engraving generates additional cost and shipping expense (both to and from) that often goes unrecognized early on. diyrecordingequipment.com. With stepped controls for precise matching between each channel the Retro Instruments 2A3 has a vintage Class AB tube amplification for unity-gain make up. Photo set includes component installation, amplifier assembly, completed interior, completed exterior, testing and burn-in. Nothing is added, or missing, nor are any components altered from specification. The silky top end is simply beautiful. Pultec eqp1a equalizer pro audio eqp 1a clone for recording studio finished with schematic an peq1a type eq fancy a kmr news gyraf diy stereo analogvibes build your legends manley classi peq filter pcb passive weekend pulteq arash pandi Pultec Eqp1a Equalizer Pro Audio Equipment Diy Vintage Pulse Technologies Program Pultec Eqp1a Equalizer Pro Audio Equipment Diy… Read More » ), Support: Ambience Reverb. This is currently the most affordable way to get a valve-based Pultec-styled equalizer. Built from the original Pulse Techniques Pultec schematic with the layout designed around modern replacement parts (filter caps and trannys); and utilizing best practices regarding lead dress and component placement. Image courtesy of Gyraf. I now offer a complete Pultec EQP-1a Kit for $1645 that includes upgraded filter section capacitors, a new master layout and 500 high-resolution assembly photos. Over 500 high-resolution, step-by-step, assembly photos via FTP Additionally, minimum order requirements by some suppliers means parts must be ordered in large numbers - some in quantities of 100. The World's Most Musical Filters. Pultec EQ Kits are $2195 US each, plus shipping. With over 100 parts required to properly assemble a Pultec Equalizer reproduciton, tracking them all down is quite a chore with some components very difficult to locate, if at all. The very first EQP-1 was housed in a 3U rackmounting chassis with a distinctive blue-grey front panel, and it offered simultaneous LF boost and attenuation at 30, 60, and 100 Hz (marked as cps or cycles per second, of course), plus HF boost at 3, 5, 8, 10, and 12 kHz. I usually (by necessity) employ the Pultec with acoustics like an effect - … But with the kit they’ll be on the same level of detail as for the LA2A plus the parts will already be included as well. EQP5 Passive EQ Kit. The circuit of the Tube Program EQ (aka Pultec EQP-1A) is actually more simple than the LA2A but the instructions were only fairly basic so far. US orders ship for a flat $50 per kit. It´s solid state with an 2520 opamp, see here: Analog Allstars EQP-1S5 500-Series Pultec EQ - DIYRE Wiki Quite some time ago I did an Pultec shootout with some friends and this one seemed to be the … International customers please. Heavy-duty painted chassis (light blue front panel with gray case panels) EMI / RFI shielded (Note: EQ kits are not intended for beginners.) Instead, RecPro Audio provides only the highest quality original-specification components available from the finest suppliers, integrated via a proper old-school point-to-point layout for maximum vintage Pultec Mojo preservation. One at the input XLR, and one at the power tranny. Pultec EQP-1S EQ 1-channel, 2-band Tube Equalizer with 3U Chassis, Switchable Frequency Selection, and Variable Bandwidth $4,295.00. 2020 Kits are In Stock and Ready to Ship - Order Here. Accordingly, RPA sources a matched-set of custom-made, audio-grade capacitors for the full filter circuit. The passive design of amazingly smooth filters paired with a tube amplifier… So that will definitely make it a lot easier. This means that we DO NOT sell PCB's, kits, or anything like that. No drilling or milling required. The Retro Instruments 2A3 Program EQ is a dual channel Pultec inspired design featuring 3 additional frequency boost settings at 1.5kHz, 6kHz and 14kHz. The RecPro Audio name on the chassis lets others know that you've built the best, and if there's ever a time to sell your EQ you will get the best return on your investment with an RPA Pultec EQ Kit - it's money in the bank. Like our popular EQP5 passive equalizer kit, the OLA5 comes stock with a modern, IC-based output that provides clean, transparent sonics. I love it." AKG TLII->Redd.47->EQP-1A (20cps -4, 10-12k+7/Broad). Wichita - Martin OM-28MQ. This efficiency and economy of scale help make the RPA Pultec EQ Kit rather reasonably priced when compared to the *true* cost of independent DIY efforts. RPA Pultec Kits are comprised of only the finest parts availa ble and include everything needed to assemble an EQP-1a clone: Sowter input, interstage and output transformers NOS vintage Opamp Labs 105 LF/106 HF Inductor EQ kit for DIY Pultec Quad Eight style EQ. Order early as production is limited! RecPro Audio Pultec EQP-1a Kits DIY Pulse Technologies Pultec EQP-1A Program Equalizer Update 03/27/2011 : I've just completed this matched pair of EQP-1As for a client in Texas and have made available a zip file containing 85 new photos below. 125.00. Pultec EQP-1A Stereo Equalizer. Once the kit arrived the connection with aircrafts strangely was evident again, this time in the form of a deja vu: The PCBs were cleverly cut in the resin board, in a form it resembled me the plastic aircraft model kits so popular in my youth, where you snap off the part you need from the mainboard, through pre-cut junctions. Nothing is left to the imagination, everything is covered. A properly assembled RecPro Audio Pultec EQP-1a represents an asset worth much more than the kit investment itself. Sorry.) It was a pretty easy build and I will be back with sound examples in the next video. Individual switch layouts are also included to make wiring even more foolproof. Over the years there were several variations of the original PulTec equaliser. All new master layout features a complete color-coded wiring diagram including switches, pots, inductor, transformers, amp and filter sub-assemblies. The Pultec EQP-1A is a tube program equalizer designed via Eugene Shenk in 1951 year. The right parts make a big difference and RecPro Audio goes to great lengths to procure only the finest components available. If there is a holy grail of vintage tube equalizers, the Pultec EQP-1A is certainly it. I think there are 3 grounds points: One at the OT lug. Florida Sales Tax applies to Florida residents. Pultec passive control wiring . From standoffs to wire-ties, everything is included. Audio Maintenance Limited make a selection of DIY audio kits. I have built the ez1073 preamp and equaliser which I documented in a previous blog post. or. This is because RPA's proprietary design architecture is proven and the high quality of the kit components is consistently and strictly controlled. These transformers are huge and the absolute best components available for the Pultec EQP-1a application. Insured ground shipping to the continental US is a flat $50 per EQ. ... /eqp5-passive-eq-kit. RecPro Audio Pultec EQP-1a Kit: No Compromises. This equalizer is still unsurpassed device model for treatment frequency in recordings among audio engineers worldwide. As well, some vendors quote over 8 weeks lead time which means a lot of waiting. The EQP5 employs the passive filter ci. About RecPro Audio's Pultec EQP-1a EQs and Kits : B ack in 2004, I built my own Universal Audio Teletronix La-2a compressor and Pulse Techniques EQP-1a program equalizer for use in my studio here in Southwest Florida.. 95.00. The EQP5is a collaboration between DIYRE and JC DIY, which is Rascal Audiofounder Joel Cameron’s brand. Price £549 Web www.warmaudio.com. Customs clearance is also streamlined with one package rather than dozens. Gorgeous! The eq curves look very accurate as well in all configurations, including gain. They also offer a Pultec EQ. Power Transformer: Hammond 370BX: Universal primary, 55VA, 275-0-275 @ DC ma 50, 5VCT @ 2A, 6.3VCT @ 2A. This PULTEC EQ P-1A passive stereo clone has Neumann output drives and St. Ives input transformers. Engraved and infilled front and rear panels The EQP5 is a premium tone-shaping EQ based on the prized Pultec EQP filter circuitry. Please feel free to contact us at 239-689-5941 or. This wiki is a community project created by DIY Recording Equipment, LLC. From CineMag input, output and Sowter interstage transformers and CineMag shielded inductors; to balanced RCA valves tested in-house, PEC potentiometers, and heavy duty EMI/RFI shielded chassis, there are no compromises. New 3/27/11: Donate $10 via PayPal and receive 85 in-depth photos of my recent build of a matched pair of Pultec EQs. All proprietary content copyright © 2004 - all rights reserved. You can't expect to capture the Mojo of a legendary piece of vintage outboard gear while cutting corners with PCBs and modifying the original circuit design to meet a low price point. Completely assembled RPA EQP-1a kit, hand-wired by Ron (cayocosta), point-to-point, tested, ready to use. Schematics, transformer and inductor datasheets, manual documentation included Photo link is emailed upon receipt within 1 business day - contact me with your email address. Intended for individual, personal, and non-commercial use. See more of DIY Recording Equipment on Facebook. (France), CineMag CMLI-4x150D input (mu-metal shielded), Sowter 1475 interstage (mu-metal shielded), CineMag CM-S217D output transformers (steel enclosure), CineMag CML-150T Pultec Inductor (mu-metal shielded ). RecPro Audio customers can be found in the United States, Germany, Switzerland, Belgium, Australia, Venezuela, Norway, Netherlands, France, Poland, United Kingdom and Canada. Build notes: I separated the EQP-1a's amplifier section from the Pultec passive filter circuit by way of two separate turret boards. RecPro Audio is pleased to announce that all Pultec EQP-1a Kits now include CineMag CMLI-4x150D input, Sowter 1475 (HS-29 repro) interstage and CineMag CM-S217D (legendary Peerless S-217-D repro) output transformers, as well as a CineMag CML-150T tapped inductor. I ended up moving the interstage and input transformers to the left of the bottom turret board and the inductor to the right side. Parts cost is around $1265 USD. NOS Dixson VU meter for Opamp Labs Langevin Electrodyne and Quad Eight Recording Consoles.