What did you do to your stereo rig today?
Comments
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SeleniumFalcon wrote: »
I recognize a good old Victor Khomenko design when I see one. Why design a preamp with pair of tubes when you can fill it with 10 tubes? Unfortunately, I was plagued with tube noise with mine and I was too cheap to pay for a matched set of good tubes. Trial and error replacements only got me so far and I ended up selling it to PFB, who if I recall, never even plugged it in before he sold it again.For rig details, see my profile. Nothing here anymore... -
Probably fortunate for you and the gear that he didn't plug it in.The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD
“When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson -
Hooked my turntable back up the other day. First time it’s been hooked up in a while (probably close to a year if not longer). My new to me Norma integrated that I got in June has an internal phono pre, so not sure why I waited so long to give it a try. I’ve listened to nothing by vinyl the past few days…good stuff!!Things work out best for those who make the best of the way things work out.-John Wooden
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It has been a while since I have posted about me rig...
It still sucks. Working on it as we speak.
Tom~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~ -
Junk!
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It has been a while since I have posted about me rig...
It still sucks. Working on it as we speak.
Tom
I keep telling you that Hello Kitty turntables are not for serious listening... If you want to get the most out of it, you need Fisher-Price.The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD
“When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson -
You guys are lucky! I haven't been home long enough over the last 3 months to do much with my rig. I swapped out some Pangea AC9 power cords with the @VR3 prototypes, but haven't spent enough time with the system to evaluate any changes. Monday, I am flying to Kansas for two weeks for work, so my system will be collecting dust for a while.
@SeleniumFalcon I always enjoy following your builds! I'd love to see and hear your analog collection! Always impressive!Sources: Technics SL1200MKII | SME3009 Tonearm | Monster Alpha 1 MC cartridge | Oppo UDP203 disk player | Nikko NT-790 analog tuner | Musical Fidelity Trivista 21 DAC | Preamp: Threshold SL-10 | Amplifier: Threshold Stasis 2 | Speakers: Snell Acoustics C/V | Kimber 12-TC bi wire speakers | Analysis plus Oval 1 preamp to amp | Wireworld Eclipse 7 DAC to Preamp | Wireworld eclipse digital IC Oppo to DAC | Audioquest Quartz tuner to preamp | -
@newbie308 This has been a fun project, at least once I found a suitable BAT phono stage to adapt. The designer for BAT is Victor Khomenko who is a serious tape head. He has done some YouTube videos on how to improve the sound of tape playback using an external playback preamp. In the early days of audio many components came with an input designed for direct tape playback. You could switch between RIAA and NAB from the front panel, much like people switch between tuner and CD as sources. Companies such as Fisher, Dynaco, Sony, Marantz and Knight all had tape head inputs. In fact, a true tape "deck" meant that it didn't have any electronics included, just the transport.
So, the idea is to revert to that earlier time and build an external preamp that would allow better fidelity from a tape source. If you look at the EQ for RIAA and NAB there isn't much difference, just an elimination of the 500Hz "0" or flattening of the curve and a different high frequency "pole". The bass pole is pretty similar (the European IEC curve has a different bass pole arrangement, but NAB is close enough).
So, Victor has offered two approaches. One is to modify either his VK-P5 or P10 phono preamps the second is based upon a clone of the famous Marantz 7C preamp. Since I was having no luck finding a BAT (not many come up for sale) I started working on the 7C project. Then, as I was just about ready to start putting the 7C together a P5 shows up (timing is everything, right?). So, I bought that one, Victor has helped me get a new faceplate and I've made the parts substitute to change from RIAA to NAB and it was ready.
I'm still going ahead with the 7C project since I've got all the parts and built the board. -
Here's a photo of the completed circuit board and the power transformer I placed in a steel box to minimize induced noise.
