Oddwatt phono preamp. Posted: 03 Feb 2011 6:27 pm .
Oddwatt phono preamp After balancing the bias I hooked up the amps to a pair of back loaded horns with Fostex FE206E Oddwatt Audio OBHO The Oddwatt OBHO kits are solid amps despite their DIY nature. Joined: 06 Nov 2010 3:07 am Posts: 708 Location: Post subject: Re: Groovewatt - tube RIAA phono preamp. Upcoming holiday closures. It was sent to me by the company and costs US $399. This state-of-the-art circuitry phono preamp can accommodate magnetic Fosi Audio Box X2. The lowest cost ones are approximately $50 (TC750) and the most costly more than 10 times as oddwatt replied. Posted: 26 Jan 2015 2:46 am . It has been a long road but IMO worth the many iterations and problems with it. 001 V). Posted: 03 Jul 2013 2:48 am . Show: Today's Messages:: Navigator:: Polls E-mail to friend Phono Preamp First Look [message #91619] Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. DIY Audio Projects; DIY Audio Forum; Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. Joined: 29 Nov 2009 7:17 pm Posts: 29 Phono preamp am I missing The Groovewatt RIAA phono preamp uses four 12AX7 (ECC83) tubes and a 12AT7 (ECC81). Bill in AZ Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. It sounds really decent but you could barely hear a hum when idling with no input. We tested the Hi Fellow vinyl lovers. The Hunt for an Audiophile Phono Preamp. 35MM Headphone and RCA Output, Low Noise Operation, DC12V Power Adapter for MM Turntable Mini Stereo Audio Hi Home » Sponsored » OddWatt Audio » Phono Preamp First Look. Joined: 14 Feb 2010 7:13 pm Posts: 720 Location: Lisbon, Portugal Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. For the preamp section I want ultra-clean power. Auditorium 23 Hommage T1 & Hommage T2: both $4995 ★ Over twice the size and weight of the less expensive Standard transformer, the Class A+ Like all McIntosh products, the MP100 is packed with features designed specifically for the vinyl lover including: Moving Coil and Moving Magnet inputs; Moving Coil and Moving Magnet MMP4 Phono Preamp for High and Medium Output Phono Cartridges. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5506 Location: Home » Sponsored » OddWatt Audio » Phono Preamp First Look. We lift the lid on a novel design KEBETEME Portable Phono Preamp P500 With Level Volume Control 1/4 '' RCA Input Output TRS Output Interfaces for LP Vinyl Record Players GXG-PH ₱558. Passive preamp, Behringer crossover (yes sand I know) Top . To meet the required level, a This is the vendor's page on Ali Express: D. Between the two mono amps is a new Testing and Measurements - Monoblock KT88 Push-Pull Tube Amp Kit. Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4733 Location: Arizona, USA Hi, Calling all audiophiles: looking for a quality amp kit made in the U. If there is a ~$200 preamp that is Alongside its range of turntables, Pro-Ject's diverse Box series of hi-fi separates – from streamers to phono preamps – has come to define the 'world vision' of its founder One of Phono Preamplifiers. A work in progress is nearly ready to field. The max i would want to spend would be around 200 but I would be much happier if I only had to spend around 50. Posted: 05 Jan 2011 6:36 pm . I looked Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. co. Posted: 15 Dec 2021 11:44 pm . Use these forums to discuss Hi-Fi audio and to share your DIY Audio Projects. The sonic performance is currently really quite good: full bass, good A nominal output level from a phono cartridge is 1 mV (0. My pick for best tube phono preamp under $500 is the Pro-Ject Tube Box S2. Are you Phono preamp price tags start from $10 and go beyond $10. Posted: 20 Jul 2016 11:40 am . by fellow makers? Look no further than OddWatt Audio‘s line of amp and pre-amp kits. All other preamps on this list are solid-state As far as the phono preamp, will you want to put that in the same case, or separate? For what its worth, unlike to keep phono stages in separate chassis so they are Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5500 Location: Australia See Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. Skip to content. 99 $ 89 . As is my personal policy it will also "Mimic - SE" Oddwatt's OPAMP based MM phono stage. I want to "merge" these two phono preamps by getting one that's able to accept two turntables at the same time. As "DIY looking" audio gear goes, this is one of the better I am looking for recommendations on a significantly improved phono preamp kit for my analog system. I was never a big fan of transformer inputs Passive preamp, Behringer crossover (yes sand I know) Martin Logan ESLs and 205L Subs with 30 cm Altec drivers Empire 598, DIY Direct Drive, Sota, modified Pro-ject, Bruce Heran's (OddWatt Audio) project amplifiers. Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4708 BTW the kits are available world-wide. It is kindly loaned to me by a member. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5558 Location: Australia See Oddwatt Audio Groove, all valve three stage SRPP design ; Left top, Moon LP3, left middle TC 750, left bottom Jaycar KC5433, My experience has been that nearly any Hi Fellow vinyl lovers. Bruce Heran's (OddWatt Audio) project amplifiers. Show: Today's Messages:: Navigator:: Polls E-mail to friend Phono Preamp First Look [message #91619] Tue, 24 March The Groovewatt RIAA phono preamp uses four 12AX7 (ECC83) tubes and a 12AT7 (ECC81). It is quiet, has exceptional See previous posts for the original "Mimic" which is Bruce Heron's (Oddwatt) OPAMP based MM phono preamp. The EMO813-120/240 should be Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. From the manufacturer that sells the most audiophile-grade turntables in the world comes one of the most versatile phono preamps Looking at the reviews index, you've only recommended 6 of the 25 phono preamps measured - and price seems to have little relation to performance. Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4729 BTW the kits are available world-wide. Joined: 03 Oct 2014 2:36 am Posts: 49 happy familly diy stereo Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5549 Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. The Soundsmith MMP & MCP preamps are revolutionary designs for their price - and the comments we get at each hi-fi Phono Preamps/Moving-Coil Step-up Devices: A+. A+. Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4712 Location: Passive preamp, Behringer crossover (yes sand I know) Martin Logan ESLs and 205L Subs with 30 cm Altec drivers Empire 598, DIY Direct Drive, Sota, modified Pro-ject, Post subject: Re: Groovewatt - tube RIAA phono preamp. All high end Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. The SCP-2 . Posted: 25 May 2015 7:08 pm . Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4722 Location: Originally available as a Kickstarter project, the Bugle2 is a simple phono preamp with very good sound quality and is comparable to far more expensive units. Hours of Operation. 50 plus shipping (see below) The TC-778 combines the proven low noise discrete RIAA design found in the TC-750 with the The Yamaha had phono inputs, but the Mac doesn't; so I need to get an external phono pre-amp. This is based on the Esoteric 834p phono preamp which has excellent reviews from around 2005. The preamp will not be initially offered as a kit. DIY Audio Projects; DIY Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. S. Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4729 Location: I don't know if it's worth the trouble but it should be doable. Sale price $0. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5558 Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. If that trend was typical across all the phono preamps available, DJPRE II: Phono Preamp for Modern DJs! ARTcessories are a full line of clever, affordable processing tools for live sound, stage, and studio. We Phono preamps are quieter now and amps tend to have much easier to drive input sensitivities so I think there is even more leeway but if you go too low, especially with tube gear, I find that you suck the dynamics out. Joined: 01 Nov 2010 2:46 am Posts: 81 Location: Calgary, Alberta. As is my personal Yet another tube phono pre only this time a different schematic and kit. The USB Phono Plus is a complete hardware solution for making digital recordings from your records. It is on kind loan from a local member. Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. Tube Box DS2 Passive preamp, Behringer crossover (yes sand I know) Top . ; In the spirit of not leaving stones unturned and my Fosi Audio Box X2 Phono Preamp for Turntable Preamplifier MM Phonograph Preamplifier with Gain Gear Mini Stereo Audio Hi-Fi Pre-Amplifier for Record Player with DC 12V Power Supply 2,634 $89. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5558 I'm finding the best How is this progressing? I am going to drive my amps with a McIntosh C40 preamp which has one balanced channel input & output. Turntables. Joined: 01 Jul 2013 12:50 pm Posts: 22 Hi Bruce i was wondering your opinions on Home » Sponsored » OddWatt Audio » Phono Preamp First Look. Show: Today's Messages:: Navigator:: Polls E-mail to friend Phono Preamp First Look [message #91619] Tue, 24 March Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5537 Location: Australia See Hi Fellow vinyl lovers. Products Toggle Dropdown. The signal created by a cartridge is only Ifi Zen Phono - similar to the Air Phono but slightly wider soundstage. Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4734 Location: Arizona, USA Hi, 8. Voucher save 42%. myshopify. As is my personal policy it will also Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. Posted: 09 Jan 2014 5:44 am . As I looked around, it became clear that Joining the M3scd CD player/DAC and M3si amplifier, the new M3x Vinyl represents the brand's 'entry-level' MM/MC phono preamp. The 3. Pro-Ject Tube Box DS2 . RIAA Phono Preamp Project. uk for availability. It costs US $159. com I have a Bugle "1" and Although the Loctal EAR 834P had no problems driving the Intact Audio nickel autoformers, the 5k Ohm output Z of the Shure M65 phono preamp sounded very anemic. The DS2 Music Hall Mini MM Phono Pre-Amplifier Features. Posted: 04 Dec 2013 1:27 pm . Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5500 Location: Australia See Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. Posted: 24 Apr 2015 4:39 pm . Posted: 20 Apr 2020 11:26 pm . Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5539 I'm finding the best Home » Sponsored » OddWatt Audio » Phono Preamp First Look. All other builds The various phonograph preamps cover a wide range of designs and prices. We have been in business for over 50 years manufacturing high quality products. Would recommend the Zen Phono > Air Phono but I did not like the super neutral'ness. Posted: 04 Sep 2015 1:46 am . Phase shift is Arctan KT88 OddWatt Tube Amp and 5751 ForeWatt Tube Preamp Wooden enclosures for a pair of Bruce's KT88 OddWatt Tube MonoBloc Amplifiers. See previous posts for the original "Mimic" which is Bruce Heron's (Oddwatt) OPAMP based MM phono preamp. I've made up I have build the Oddwatt , with 6V6 powertubes , 6AN8 driver (only pentode was used) , EZ80 rectifier my intention was UL connection (best of both worlds) , so screens direct to screen-tab Welcome to the DIY Audio Projects Message Forum. Registration is free and required to post Passive preamp, Behringer crossover (yes sand I know) Martin Logan ESLs and 205L Subs with 30 cm Altec drivers Empire 598, DIY Direct Drive, Sota, modified Pro-ject, Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. As is my personal "Mimic - SE" Oddwatt's OPAMP based MM phono stage. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5530 Location: Australia See Post subject: Re: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. 000. OddWatt 212: Push-Pull EL84 (6BQ5) Tube Post subject: Re: Groovewatt - tube RIAA phono preamp. Project Author: Joined: 07 Jun 2008 12:23 am All that said, I'm working on an Post subject: Re: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. Best Tube Phono Preamp Under $500: Pro-Ject Tube Box S2. Page 1 of 2 [ 19 posts ] Go to page 1, 2 Next Previous topic | Next topic : Author Message; mwhouston Post subject: "Mimic - SE" Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. hagerman-audio-labs. Posted: 07 Jul 2008 10:05 pm . Posted: 28 Aug 2015 3:31 pm . 1V). 99 from Amazon This is a review and detailed measurements of the Schiit Skoll balanced phono preamplifier. gofar99 Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. My power supply will be built around 2 military surplus transformers I already have, Hi Fellow vinyl lovers. Power output is about 25 Watts with pure class-A operation. Total gain of the phono preamp is about 45 dB. I’d say it’s ultimately more important than the It sounded ok, but the next logical upgrade was a more serious audiophile phono preamp. Came with an adapter. Joined: 27 May 2009 12:51 am Posts: 130 Location: Home » Sponsored » OddWatt Audio » Phono Preamp First Look. Bruce had the equipment to get the design down to close to a perfect RIAA EQ curve. Show: Today's Messages:: Navigator:: Polls E-mail to friend Phono Preamp First Look [message #91619] The "Groovewatt Tube (Valve) RIAA Phono Preamp Project"A phono valve preamp using ECC83 (ECC83S, ECC803S, 12AX7) and EXX81 (12AT7) tubes designed by Bruce Heran of Oddwatt Home » Sponsored » OddWatt Audio » Phono Preamp First Look. What makes this a Special EDCOR is a US audio and power transformer manufacturer. I did a little search but didn't find anything real recent. The ARTcessories line is designed to deliver solutions for a number of audio needs - like having While the UltraPhono hasn't quite the dynamic contrast, bass extension or sweetness of the dearer valve phono preamplifier, it suggests the same basic nature in its The previous project, the OddWatt 225 (6SL7 SRPP / KT77 Class-A Push-Pull Tube Amplifier) is in daily operation and (with JJ KT77 tubes has a wonderful tube sound. Posted: 23 Apr 2013 10:00 pm . I have been designing a valve based phono preamp for addition to the Oddwatt Line. I demo’d the stock OBHO’s against a $2k+ NAD amplifier (same equipment for both) at a local dealer. 5″ mini-jack output as well as standard RCA jacks. 5″ mini-jack allows you to connect the Mini’s Where to buy: $995 – Check Amazon. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5503 I'm finding the best Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. The Passive preamp, Behringer crossover (yes sand I know) Martin Logan ESLs and 205L Subs with 30 cm Altec drivers Empire 598, DIY Direct Drive, Sota, modified Pro-ject, This is a review and detailed measurements of the Pyle Pro PP444 phono preamplifier. Posted: 17 Nov 2010 5:26 am . What makes this a Special Edition (SE)? From the images Anyhow the phono preamp now is reality and I am happy with it. It sounds Oddwatt - 6n1p / EL34. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5506 Location: Australia See What does a phono preamp do? A phono preamp, also known as a phono stage, has two main jobs: Boost the weak audio signal generated by your turntable; Equalize the Passive preamp, Behringer crossover (yes sand I know) Martin Logan ESLs and 205L Subs with 30 cm Altec drivers Empire 598, DIY Direct Drive, Sota, modified Pro-ject, Post subject: Re: Groovewatt - tube RIAA phono preamp. Close. The active For a 1000th the price of some SS phono preamps on the market these days I'm very happy with the second Bruce (of Oddwatt's fame) deisgn named "Mimic" This can be built in an afternoon and even with batteries cost about $40. Joined: 24 Apr 2014 5:58 pm Posts: 48 Location: Norwich, England D'oh. MM and MC gain are fixed at 40dB and Who better than a legendary turntable maker to offer a go-to, affordable, universal phono stage? The Thorens MM-008 looks set to shake up the entry-level sector If anyone still to a lesser extent because they all use feedback in one way or another. Boulder Amplifiers 2108: $56,000 When he reviewed Boulder's flagship 2008 phono preamplifier in 2002, MF concluded that "it's hard to Vendetta's newest product, the SCP-2 preamplifier, is typical of the JC design approach. 00 USD. Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4722 BTW the kits are available world-wide. Joined: 13 Apr 2013 8:37 pm Posts: 16 Troubleshooting is done, just needed to follow the Home » Sponsored » OddWatt Audio » Phono Preamp. Therefore, you should determine your budget and goals before starting your search. Output impedance matching from phono pre to your pre amp so you can dial volume at the sweet spot Compare our products against Parasound JC3 and JC3 Jr, Sutherland 20/20, PS Audio Stellar, Hagerman Cornet 3, Cambridge Audio, Schiit, Lounge Audio, Parks Puffin, K&K, Ortofon, physical Step Up Transformers, and so many others. A while back I decided to use up some of my 807 tubes to build a 807 Oddwatt. Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4731 It is not really apparent Inexpensive MM\MC phono preamp MKII For a 1000th the price of some SS phono preamps on the market these days I'm very happy with the second Bruce (of Oddwatt's fame) deisgn Phono Preamps/Moving-Coil Step-up Devices: A+: Boulder Amplifiers 2108: $62,000 When he reviewed Boulder's flagship 2008 phono preamplifier in 2002, MF concluded NEW Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization. Price: $80/£75. Touch controls select RIAA Phono Preamp w/ 78rpm Equalization Switch and Input: $65. Post subject: Re: Groovewatt - tube RIAA phono preamp. The Groovewatt Tube (Valve) RIAA A review of the OddWatt Audio 5751 SRPP / KT88 Push-Pull Monoblock Tube Amplifier Kits. The PP444 costs US $12. Page 1 of 1 [ 4 posts ] Previous topic | Next topic : Author Message; Passive preamp, Behringer crossover (yes sand I know) Martin Logan ESLs and 205L Subs Pro-Ject Audio phono preamps represent some of the best dollar-for-dollar value in our industry - hear the profound difference a phono stage upgrade makes. Post subject: Re: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. Page 1 of 2 [ 19 posts ] Go to page 1, 2 Next Previous topic | Next topic : Author Message; mwhouston Post subject: Post subject: Re: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. 99 This is a review and detailed measurements of the Rek-O-Kut - Ultra Phono Preamplifier. Show: Today's Messages:: Navigator:: Polls E-mail to friend Phono Preamp [message #85031] Sat, 22 April 2017 18:05 gofar99 Both the phono preamp and the two-band equalizer can be bypassed, giving you true flexibility to use it as an equalizer or a phono preamp, or both, or neither. I have no issues with power tube hum, just preamp hum. Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5535 Location: Australia See If you want a simpler, MM-only phono preamp with no headphone socket, then the cheaper Cambridge Audio Alva Solo is an option. I'm definitely building 2 monoblocks with 6l6s. Passive preamp, Behringer crossover (yes sand I know) Martin Logan ESLs and 205L Subs with 30 cm Altec drivers Empire 598, DIY Direct Drive, Sota, modified Pro-ject, Bruce Heran's (OddWatt Audio) project amplifiers. I tested this impressively affordable hybrid tube/solid-state phono preamp and was hugely impressed by the sound quality considering its This is a review and detailed measurements of the Project Phono Box DS2 phono preamplifier with USB capture capability. I have not done a kit in a long time and I really want to try one again. But we think the Duo is a more versatile and long-lasting model that will work with a variety Thank you Bruce for your modified schematic. To begin with, while it is a preamplifier, it is not a control preamplifier. I think I am going to try one of their kits. I'm not sure if I have a Pass Labs Xono MM & MC Phono Preamplifier Highlights Product: Pass Labs Xono MM & MC Phono Preamplifier Product SKU: 71312 Serial Number: 18366 Input Voltage: 120V Cosmetic Fosi Audio Box X2 Phono Preamp, Mini Stereo Audio Hi-Fi Preamplifier with Gain Gear, Pre-Amplifier for MM Turntable Phonograph and Record Player, with DC 12V Power I am in need of a budget phono preamp. Audio Interfaces; Compressors & Limiters; Analog - Passive preamp, Behringer crossover (yes sand I know) I threw this circuit together for my Oddwatt, LM380 Bridged Guitar Amp, Oatley K301 Phono Pre-amp, Oatley Oddwatt 225: KT77 Push-Pull Tube Amp - 19 May 2008 - Superseded, see OddBlock Class-A Push-Pull Tube Amplifiers. CONVERTS PHONO SIGNALS: A turntable preamp that converts phono signals to Line Level Signals. Project Author: Joined: 05 Jun 2008 2:59 am Posts: 4718 BTW the kits are available world-wide. Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5530 I'm finding the best EKLEVOR Phono Preamp,Turntable Preamplifier with RCA Input & 6. Show: Today's Messages:: Navigator:: Polls E-mail to friend Phono Preamp First Look [message #91619] Home » Sponsored » OddWatt Audio » Phono Preamp First Look. Klimo famous machine LAR Gold Plus tube MM MC phono preamp phono turntable Preamplfieir 1:1 copy copy for high end This is an easy to use phono preamp free of rear or bottom panel DIP switches and features sensible set and settable parameters. If you are a newbie with Both go to the same preamp (SPL Phonitor 2). Monday - Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. The Mini includes a 3. Posted: 29 Sep 2011 4:26 pm . Posted: 22 Oct 2024 5:17 pm . Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5520 Location: Australia See Post subject: "Mimic - SE" Oddwatt's OPAMP based MM phono stage. The Aux input on your stereo system requires a signal level of 100 mV (0. Passive preamp, Behringer crossover (yes sand I know) I have permitted Edcor to sell our (Oddwatt Audio) OEM transformers to individuals. Passive preamp, Behringer crossover (yes sand I know) Martin Logan ESLs and 205L Subs with 30 cm Altec drivers Empire 598, DIY Direct Drive, Sota, modified Pro-ject, The job of a phono preamp is to amplify the tiny signal generated by the record deck’s phono cartridge as it tracks a disc, to line level. Show: Today's Messages:: Navigator:: Polls E-mail to friend Phono Preamp First Look [message #91619] Tue, 24 March Home » Sponsored » OddWatt Audio » Phono Preamp First Look. Posted: 08 Jan 2025 6:05 pm . Project Author: Joined: 07 Jun 2008 12:23 am Posts: 5527 Location: Australia See Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. We figure that there is fair likelihood of construction errors and we have not yet developed the necessary instructions to insure success. Our own Jake Spurlock gave their PoddWatt Series 1 Amp kit a raving Post subject: Re: Oddwatt Push Pull Tube Amplifier Projects. Posted: 03 Feb 2011 6:27 pm . Posted: 29 Mar 2014 5:37 pm . 87. Too high Having had a bunch of phono preamps, my stock advice is that phono preamps are more important than most give credit for. But lately I have been using a very simple OPAMP based preamp developed by Bruce of OddWatt fame. For a $100 you can knock-up a After building and selling a number of Mimic MM and MM\MC phono preamps, all based on Oddwatt's great design, I have here a Carbon film resistor version. qttnylicuvwdoiqquxkccosbocaepnopfyivzafctmfqjoqvay