Thursday, January 8, 2015

The Accuphase C-200 Preamp - That's the understatement of the day!


The Accuphase C-200 preamp was Accuphase first pre-amp offered in America and began the uncompromising standard of excellence that still exists today. The C-200 was manufactured from 1975 – 1977 if I recall correctly. Cosmetically, this unit is at least an 8 out of 10. There are 4-5 small and shallow scratches in the top edge of the champagne facing – all less than 0.5 inches long. The black paint is almost new condition and has been waxed with a Teflon-based car wax. All lettering on the front and back is perfect, complete and readable. All lamps function. Timeless, classic looks. In looking at the pictures in this listing, they make it appear that the black top has spots and that there are long scratches and spots on the face. I assure you this is junk on the lens or possibly floating in the air when I snapped the pics. These imperfections are NOT present on the unit.

I bought this based on my research specifically about its phono stage. The phono stage has several unique things – gain pots to help adjust for different cartridge outputs; variable cartridge loading from 33k – 100k ohms to help get the absolute most out of your cartridge; and a low frequency boost from 0 to +1dB specifically for phono.



Given its age, I did a few things to it:
  • ALL electrolytic capacitors have been replaced with new Nichicon Fine Gold, Nichicon Muse and even some Blackgates. I stayed with the original capacitance values but in some cases increased the voltage ratings for the new caps. New phenolic mounting boards were made for the replacement power/filter caps since they are significantly different physical dimensions than the original Elnas. Further, the boards are isolated from the chassis by rubber grommets to reduce vibrations to the caps. The original design has the capacitor supports physically coupled to the chassis so all vibrations would be communicated to the capacitors.
  • Other capacitors that were originally electrolytics were replaced with film caps in accordance with the Service Manual as of July 1976. Key signal capacitors were also replaced with upgraded audiophile caps.
  • I replaced the original two blade power jack with a current IEC jack and connected the chassis to the ground lug so you can use your own updated power cord.
  • All pots/switches were cleaned with Caig
  • A generous amount of Dynamat has been added to the chassis for vibrational damping.
I have been using this pre since I completed the work earlier this summer and everything works perfectly on this. I am using Disc 1 for my turntable and Aux for my CD player. Everything is dead quiet. There are probably 50-60 hours on the rebuild- not even broken in yet.

If you are looking at this or other vintage pre-amps, please consider that these units contain a number of electrolytic capacitors. Electrolytics are generally considered to have a lifespan of 15- 20 years, after which they frequently fail and leak acid. This is not urban myth as I have had a few devices destroyed from such leakage. In considering the purchase of any electronic device that is more than 15 years old, you should either (a) realize that all electrolytic capacitors must be replaced soon in order to preserve the performance, integrity and electrical safety of the device, OR (b) ensure this has been done within a reasonable time prior to your purchase of the device.

From what I have read so far, the C-200 is a great preamp and still holds its own with today's modern high end preamps. It also is supposed to have an excellent phono section with two inputs with variable load and gain. This works perfect for me as I have three turntables that I use. I have my mmf-phono pack that I can run on one of the other inputs.

This thing is a tank too, weighing in at 30+ lbs (14kg)!! I couldn't pass up this deal considering what they normally go for. I'm taking a chance on it as it is not tested, but judging from the condition it's in and the feedback of the seller, I'm feeling pretty good about this purchase.

Let me know what you all think!


I have the Accuphase C-200  integrated from the same era and it's wonderful. Accuphase is considered by many as the Japanese McIntosh. There is a lot of love for Accuphase over on AudioKarma, as well as a few Accuphase service gurus in case you need help or direction and don't find it here.

I've compared my Accuphase preamp to a few more modern mid-fi brands that I also own (Luxman, Onkyo, Yamaha) and it is clearly a more sophisticated phono stage. But I still think you can better it with a lot of the "new-generation" phono stages. I would still love to own one though. General philosophy is not to modify it but to restore it by recapping. (Replacing all the electrolytics) I don't have the schematic but i'd say you have 30-40 caps in there. A nice piece.

That's the understatement of the day!

I recapped the C-200, replacing only the eight large filter caps and a couple of resistors that suffered from "resistor rot". After that, I got the ole' girl up and running and it's been doing nothing but surprising the heck out of me! This is truly a state of the art preamp that easily stands its own ground amongst modern preamps costing well beyond $5k, and probably higher dollar units! It can only get better once I get around to replacing all the small electrolytic caps on all the pull-out boards. However, the way it's sounding right now, I don't think I'm in any rush to do that, but it will be done eventually.

In my system, this preamp is creepy spooky! There has to be some kind of perfect synergy going on between my gear because I have never had my systems before put so much life and feeling into the music like this system does, and it has only done this since the C-200 was added. I mean, it did a darn good job before with the KingRex Pre-Amp, but the Accuphase takes it leaps and bounds ahead, and the KingRex is not a preamp to sneeze at. That little digital preamp easily competes with units costing many thousands, both tube and SS. The C-200 is just amazing in the fact that it is such an improvement over the KingRex.

Before

After


Wednesday, January 7, 2015

MicroVerb4

Preset/programmable 18-Bit signal processor

The MicroVerb4™ is designed to provide a wide variety of great-sounding, easy-to-use effects for small studios, engineers and performing musicians. The key to MicroVerb 4's power is in its simplicity. It offers 200 programs that include everything from high-quality reverb, delay, chorus and flange to exciting multieffects and more. To customize your programs, two front panel knobs allow for quick, easy, user-storable edits, or use its MIDI inputs for control over program changes and modulation. You can then save your edited programs in the 100-space user program bank. Even though it's affordable and easy to use, the MicroVerb 4 offers the superb audio quality that you should expect from every Alesis processor.

Key feature

200 Programs chock-full of professional effects
100 User program banks so you can customize to your liking
Perfect for studios of all sizes, and musicians of all kinds
Up to three simultaneous effects for rich multi-effects
Pro-grade 18-bit A-to-D and D-to-A processing ensures quality
MIDI Input lets you change programs instantly from another source

Specs

  • Presets (Factory/User) : 100/100
  • Digital Effects (reverb, delay, chorus, etc.) : Rvrb; chrs; dly; flng; rtry; ptch
  • Simultaneous Effects : 3
  • Programmable Wet/Dry/Mix : Yes
  • Compare/Bypass : N/Y
  • Maximum Delay Time : 1,300 ms
  • Maximum Pitch Shift Range (octaves) : ±1 octave
  • MIDI Real-Time Control : Yes
  • Simultaneous MIDI Controls : 2
  • Discrete Programming Channels : 2
  • ADC/DAC : 18-bit
  • Overload Warning 4-seg : LED
  • Inputs : (2) 1/4"
  • Outputs : (2) 1/4"
Buy this produck? go here

Stereo Super Ear Amplifier Kit

Product Details

The Super Ear is an ultra high gain stereo audio amplifier! And when we say high gain, we mean it! It boosts audio 50 times and you can listen to it in stereo besides! Miniature high sensitivity microphones are placed at 45 degree angles to give you maximum separation. This little kit also includes an on/off switch, volume control and audio output connector. Runs on 3 AAA batteries (not included).

Measures 2.4" x 2.1". From Velleman.


    Amplifies sound 50X
  •     Listen in stereo
  •     Microphones included
  •     Electronic Kit - Assembly Required

Tuesday, January 6, 2015

Installing Device Karaoke Sound System For Home

Installing device karaoke Sound System for home


Sometimes to eliminate the sense of fatigue in a grueling routine of our thoughts and feelings, then it must be made to relax. One solution is to karaoke with colleagues at the Karaoke place in your city. This unity will make us forget for a moment the fatigue in work activities. Maybe you are invited by a friend who loves to sing but you feel awkward when singing that was witnessed by another person, it will certainly make you nervous, may not know the songs you sing well in rhythm tone, poems and lyrics. Therefore you need a lot of exercise without being seen by others. How to? Of course you should have in your home karaoke facilities. do not have to choose the device that expensive if your financial condition is not sufficient to buy a sound system and completeness of your karaoke at a price which is too expensive. But if you want to get good sound quality of course you have to be good at choosing a karaoke sound quality, it is the price to determine the quality.

 Invite your friends to understand enough about the karaoke sound system equipment and how to setup and installation of voice quality that is found in your ear. meanwhile if you have the space / room unused, you can magic into your mini studio or home theater in your home by providing soundproof material. This is to minimize audible noise to a neighbor's house. Frankly I also like to sing, but there is a sense of shame that my voice be heard by a neighbor or interfere with them.

 As a recommendation for you, you try to look at some options and steps you should take before buying this karaoke device. Here are some simple equipment, but can be a reference for you.


Music Player Source

You can use the DVD player of good quality from well-known products. Disk song must be of good quality, not pirated. If you have a notebook device / PC / laptop, then you can install the program karaoke player, but to display you'll have to use a special cable to connect your PC to the display equipment. now available MIDI Karaoke Player Mechine in which there is the hard drive that can hold millions of songs on it. You can upgrade the song by plugging the USB or the Internet. aat you want to play your favorite song quite see menu available there. Usually in the Karaoke Player already includes facilities for the microphone and echo. If this facility is not there then you are forced to use a separate audio mixer for sound mixing process and both music and microphone.

Display equipment

To display the video image of karaoke, we can use the TV input terminal suppose there are plugs AV Input (Audio Video Iinput), VGA input, or the now popular is HDMI. However, we can simply use the AV input jacks for video facility drawings. For that much money you can also use the following projector screen. By using the projector, the image luminate look wider.

Microphone Equipment

Somewhat difficult choosing a good microphone. Sometimes there are cheap price but quite to your taste. As a recommendation for you to try using a Shure SM58 Microphone. If you want to be free to move should use a wireless microphone.

Audio Mixer Equipment

Look for the Audio Mixer already contained therein Sound FX (effects / Echo). When the mixer Audio FX setup you try to use the FX Reverv or Hall. Take a look at the following image source;

Speaker System (Loud Speaker) Equipment

It feels strange sounds that do not use the karaoke Speaker System. Therefore this system speaker equipment becomes vital when you karaoke. Speaker function is to play back and strengthen our voice. There is a wide variety of speakers this system you need to know;

Speaker Active Stereo 8 inchi,
These speakers can be a recommendation for you, the price is pretty cheap, but in it already contained Microphone jack and also effect is Echo. These speakers are two of the same size but one of the boxes are in the form of voice control volume, bass, and treble. Audio jack input terminal for normally use the RCA jacks on the back of the speaker's body.

Speaker Active Mono 12 inchi

To produce stereo sound speakers in the use of this then you must have two speakers with the same brand and type (one set). The price is quite expensive and also power consumption is quite large. in response to a more complete range of voice and get the low bass sound better then equipped with an active woofer speaker as shown above. These speakers are mounted on either side of the display (operating device)

 Passive Speaker

If you want to use Passive Speaker then you have to use your Power Amplifier for pushing or moving the speakers.

 Installation Karaoke Sound System Equipment

There are various ways to install the system on your karaoke equipment. This installation is divided according to the condition of the equipment you have. for live video connections you connect the video out on the DVD player to your TV AV1 input. Adjust the position of the remote to get this video signal.

A.  Active speaker 8 inch Installing

The simplest installation with Active 8-inch speaker. For your microphone to the microphone jack can be strikingly Mic 1 and 2 on the active speaker box 8 "is. It could also plug the mic to plug microphon contained in VCD player. You see diagram above image. In 8-inch active speaker can also be included with audio mixer facility when you enough financial funds to buy the audio mixer.

B. Passive Speaker installation using a Power Amplifier (PA) and the Audio Mixer


Before installing this equipment stacking position of the device in a special container cupboard or shelf. Place the audio mixer in the top position. Position Power Amplifier (PA) were at the bottom. Measure the short length of cable between Power and Speaker. Try not to be too long. To connect the speaker cable from the Power Amplifier is connect the red wire to the positive terminal on the speaker box and the black to the negative terminal on the speaker box. The position of the right side speaker connected to the path (R) in PA and left to (L). Consider the diagram below picture;

C. Installation Using Mono Active Speaker 12 Inch

In the speaker box is equipped with a PA and Tone Control, so you no longer need the addition of an external Power Amplifier. You simply adjust the position of the Volume, Bass and Treeble the flat position (12 o'clock), then you just set all sorts Level and Tone EQ only on Audio Mixer. diagram exactly the same picture in the picture above, namely living facility negates Power Amplifier. So that you can sound at a particular frequency ut my suggestion is to use the Equalizer (EQ).

 Audio Check

After all devices attached to the neat now we are trying to advance the sound to be generated by the microphone. Set the level and effect till found Tone and echoes which you steady. When you are good enough, adjust the level of the music and adjust the balance between your vocal with karaoke music. to eliminate the singer's voice on Disk stay pressed the remote, hear audio (L) or (R). Now you will enjoy your voice as a singer Karaoke.


Good luck and practicing karaoke songs.!!

Saturday, December 31, 2011

Sennheiser PX 90 Headphones Review

Sennheiser's PX series arguably no less popular when compared with other series range of HD and MX for the line of headphones. But unlike his brother, the PX 90 included in the category Street Line, not the Classic such as the PX 100 and PX 200 is famous for.

Grouping is done by physical characteristics based on the Sennheiser PX 90 which indeed look smaller and slimmer than standard headphones in general. With metal materials, which can be arranged headbandnya be one cause of the small size of these headphones. Even so, this headband is sturdy enough so that its position firmly when in use.

Bearings or commonly called the PX 90 earpad this small though, but quite comfortable. Using these headphones for a long time did not quickly make the 'tired', aka sweaty ears. Interestingly, because the concept headphones are compact, earpadnya can be folded in such a way that makes it easy to be saved was then taken.

Although the size of the earcup and the driver is smaller than other standard headphones, this does not cause his voice sluggish. PX 90 has a strong bass character although not the kind of closed headphones. So although not completely closed, not a problem for the affairs of a low tone reproduction. The good, the low tone is not excessive portions are so high-pitched vocals and still adorn the overall strains of the song sounds good.

Specification

Ear Coupling Supraaural
Prinsip Transducer Dinamik, open
Frequency Response 20 – 20000 Hz
Impedansi 32Ω
THD < 0,5%
SPL 108dB
Weight ± 68gr
cable length 1,2m, double-sided symmetrical; 3,5mm jack stereo Plug
Site http://www.sennheiser.com
Guarante 2Years
Price* ,-

Article sources http://www.tabloidpcplus.com/2011/09/review-produk/review-headphonesennheiser-px-90

Sunday, January 3, 2010

Utilizing your Music Recording Software to get Lower Songs on Your Digital Sound Workstation

Nearly all audio these days will be recorded on searching for Music Work station (DAW), one's heart of which is a personal computer as well as recording software program. A number of the key gamers throughout recording computer software nowadays will be Cubase through Steinberg Media Technology, Protools through Digidesign, Reasoning by simply Apple, along with Sonar by Cakewalk. You'll find basically 3 things you can do together with your DAW: file, edit, along with combination. This information is focused on the 1st method, documenting or even 'laying along paths.'

Becasue it is an easy task to end up being overwhelmed by the particular myriad functions, possibilities, and also settings in the current documenting application, I'll stick to the principles. My own good examples make use of Cubase, since which is the saving software program I use. Nevertheless, the basic procedure is going to be equivalent with taking applications.

Begin with putting in your current sound digital camera software as well as recording application as well as environment these people approximately interact. As an example: if you utilize Cubase, navigate to the Gadgets food selection, pick the Device Create window, and judge the software driver which in turn was included with your current program.

Now hook-up your current device as well as mic(s). The majority of tools with audio produces must plug to the -10 db input in your software; your user interface will likely then increase the actual indication by simply 10 decibels. Mics will require boosting by way of a preamp (usually shortened to help before), an element built-into several electronic digital audio tracks interfaces. Many mics can connect to the +4 db insight, and also the user interface will certainly sleeping pad or perhaps decrease the signal by four decibels.

Up coming, you may set up the first recording undertaking. Within Cubase, pick Fresh Undertaking through the Record menu. You will be motivated to identify a place to save the files. Be sure you build a brand new directory for each new project. Your own saving software will develop subfolders as needed. Useful fresh undertaking. After that arranged film quality for your task, which is the sampling frequency along with bit level. Decide on Venture Create around the Undertaking menu in Cubase. Understand that Dvds utilize Forty-four.1 kHz as well as 07 touch. Greater settings improve high quality, but additionally drastically increase the desire on your desktop model as well as the height and width of audio tracks generated as well as located in your harddrive.

In case you are acquainted with mixing up reside audio as well as recognize indication circulation, you do have a fantastic start taking this specific second step. Produce a brand new enter shuttle (employ VST Contacts throughout Cubase's Gadgets selection). Select mono configuration for anyone microphone stand and several devices or perhaps stereo setting should you be using a pair of microphones or an instrument with All over the place results. Arranged this specific bus to work with the correct input from a sound electronic software. Right now create a new audio track in order to document on (Include Monitor about the Cubase Undertaking menu), along with determine the feedback shuttle you only designed to this particular observe.

You may well want to document your current monitor dried out, make use of an external digital signal processor (DSP) to improve the particular indication (probably together with retention, EQ, or even reverb) before taking, or perhaps make use of the put in to use consequences inside of Cubase. Plug-ins are generally DSPs as well as electronic tools made to communicate with your recording application. VST (Digital Business Technology) plug-ins perform most optimally using Cubase. Before acquiring plug-ins, verify precisely what plug-ins come pre-installed with your DAW software along with what type(ersus) are usually suitable for your current software. Cubase, for example, offers plug-ins regarding data compresion, EQ, reverb, plus a various other commonly used effects. While significant dojos frequently implement retention and EQ to monitors before recording, the correct answer is acceptable and frequently preferable to report the paths dried up, and then change them after taking time to be able to experiment and discover the best results to boost your current taking. Consult your handbook to understand how to insert plug-ins to the transmission stream even though taking.

While you start saving, another significant principle to understand will be signal-to-noise ratio (SNR). With the tone of voice or even device you would like to file, you are going to almost constantly be documenting some surrounding sounds, including each sound in the place (say for example a computer fan, neon lighting ballast, as well as toe-tapping) along with exterior (for example blowing wind or road sound). Your goal is to increase signal-to-noise proportion as well as thus lessen undesired noise to the point where it can be undetected. You need to do this kind of both through seem remoteness by producing your sign as deafening and apparent as you possibly can with no distortion.

Now you must in order to report. Select the track to which you will end up documenting, and ensure the best feedback will be designated. Make it possible for file or 'arm your track' through pushing the particular red button. Examine your multimeter around the carry screen (or go through the check button) to make sure the actual sign is arriving by means of. Utilize fader to create the amount for maximum SNR with no distortions. Ultimately, media your file button to start and the stop button to end recording.

It gets better! Participate in back again your current course and also listen closely very carefully in order to how it seems. Do not be reluctant to help report numerous takes until you might be totally satisfied. Even experts report multiple requires. In case simple fact, even before you document on to your 1st course, you might want to copy that and create many replicate songs to save lots of measures in establishing monitors for multiple usually takes. You may even desire to overdub, taking different portions individually to be able to revise as well as blend later.
Satisfied recording!

Friday, January 1, 2010

Professions Inside Audio Executive

Audio Engineering, and this is typically known since Audio tracks Design, is often a side branch involving audio science. Usually, appear executive means documenting, burning, modifying, mixing up, as well as processing involving seem by using electronic digital and mechanical devices. Appear technicians employ a number of documenting units such as high-tech mics which are required to document the merest audio variants. Electronic blending panels or console snowboards are a necessary part of appear executive that are utilized to handle appear feedback although saving or perhaps editing songs. They will include a selection of knobs, knobs, equipment and lighting, along with metres. Lamps and also yards facilitate the actual engineers to understand just the sounds which might be documented as well as their depth.

By way of buttons along with knobs around the mixing panels, seem engineers keep an eye on the appear input in terms of the size, and sound quality. Various other integral components of sound engineering include digital audio workstations, transmission cpus, and also sequencing computer software. Inside films, appear technicians along with technicians integrate the actual noises regarding actors within the film audio tracks together with special sound effects. The movie 'Apocalypse Now' stated in 4 seasons 1979 is recognized as a vintage instance of 'sound' films right up until time.

Appear engineering is probably the most widely used job alternatives in the current age group. Sound technicians can have a offering profession inside video as well as online video generation, advertising and marketing as well as sound transmitting. However, it is vital to receive elegant coaching plus a degree from the recognized initiate, that is certified simply by qualifications association, like NORDING or perhaps EURING.

Audio Design Schools

Usually, pupils receive conventional training and learning audio architectural by way of seem architectural colleges. These kind of schools provide substantial and also demanding learning diverse career fields regarding seem architectural for example Taking and Manufacturing. Since there are a large number of universities and websites which provide this type regarding schooling, you should pick a school on the basis of certain requirements.

1. Durability In the School And also Facilities Presented - It is very important to learn the quantity of individuals signed up for a program as it data reveal that institutions enrolling select few of scholars offer far better coaching surroundings. Yet another selecting element may be the facilities made available from the education college or start. The particular Hartt School with School regarding Hartford (CT) limits the quantity of pupils to help 25 for the production plan. This particular school has Six modern-day companies, and is also for this Yale cinema department. Therefore, pupils find theoretical along with sensible lessons in are living recording.

2. Kind of Institution -- Students trying to find a full-fledged training and also career in appear architectural, can opt for educational institutions which are particular as well as focused exclusively in order to Audio and also Video clip creation. Other individuals can easily select educational institutions which might be an element of a more impressive business or even University.

3. Place With this part associated with profession gathering popularity through the years, there are many institutions located in distinct urban centers that provide coaching in addition to position guidance.

deb. Standing of The institution -- You will need to select a institution after making sure it's trustworthiness.

There is a great number of institutions that supply 12 full week as well as Twenty-four 7 days classes within sound architectural. The benefit of this sort of plans is students may decide the particular pace of these software with regard to better comprehension. Students have selecting deciding on the evaluation center that is certainly easy to these people. These kinds of is turning into well-known as a result of his or her versatility and convenience.