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    SKU: PRE-1

    OSD Preamplifier, Phono Ready, Home Theater, Surround Sound, Recording - Pre-1

    Purchase OSD Preamplifier, Phono Ready, Home Theater, Surround Sound, Recording - Pre-1
    • Outdoor Speaker Depot SKU: PRE-1 osd-preamplifier-preamp-pre1
    • In Stock

      $119.99

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    A preamp is a key component to experiencing true home theater surround sound and a critical element to recording music, yet few people really understand the function a preamp plays. OSD Audio's Pre-1 is a unique and, yes, affordable preamplifier that accomplishes the subtle audio tasks that transform an ordinary home theater surround sound system into, 'wow, I hear every detail,' from a dog barking, to the whooshing blades of a helicopter. A preamp delivers similar benefits to music recording by boosting the low-level output on microphones. Because mics generally have a weak output, adding a preamp will deliver a better recording signal level verses simply plugging the mic into a computer and standard recording gear. Preamps do more than add volume, however. Like the home theater experience, a preamp in recording can finesse the subtle 'color' of sound by adding tonal quality. Let's start with what a preamp is and then we'll cover the attributes of OSD Audios' Preamp-1 so you can make the wisest buying choice.

    What Is A Preamplifier and What Does It Do?
    Simply put, a preamp is a separate processor within the audio command chain that accomplishes detailed audio tasks. A decent home theater will typically have one or more amplifiers and an AV receiver. While an AV receiver has amplifier power, power is not its primary function. An AV receiver 'receives' audio and video signals from a variety of sources (TV, DVD DRV, etc.) and routes the signals to the speakers. Power is where the amps kick, which supply the juice needed to move the signal with enough amperage so your surround sound speakers produce the best sound for which they are designed. That should be enough, right? Well, not exactly. The amp may add power, but it can be a bit of a clod because that's all it's doing is add power. (Okay, audiophiles, we know it does more, but let's keep it simple). Enter the preamp. A preamplifier is a low-level amplifier. What that means is that it takes a line level signal (that's the strength of an audio signal used to transmit analog sound between audio components such as CD and DVD players, television sets, audio amplifiers, and mixing consoles) and amplifies it enough to drive the power amplifier to its rated output. If an amp is receiving a signal at its rated output, it will perform better and your surround system will pick up detail you never thought possible. The same can be said in sound recording where an audio interface enhances the sonic capabilities of a computer. While an audio interface includes an internal preamp, an external preamp gives you more control over tonal quality.

    Home Stereo/Home Recording Pre-Amplifier
    There are many preamp manufacturers that range from bizarrely cheap to bizarrely expensive. We look at our OSD Audio Preamp-1 Home Stereo/Home Recording Pre-Amplifier as the middle ground, or an affordable preamp that adds front-end system control to two or multi-channel audio systems and home recording systems without having to load up on credit card debt. OSD Audio Preamp-1 home stereo/home recording Pre-Amplifier is not shy on features for the price, and we encourage you do research the specs. Our preamp provides four selectable unbalanced analog RCA inputs, Phono, AUX1, AUX2 and CD/DVD and a '' Mic input jack on the front panel with adjustable mic level control. Other front panel variable control knobs feature three tone controls: Bass, Mid and Treble, plus Balance, Master Volume and Loudness Contour Knobs with Min to Max settings. Additional front panel controls include Power Switch, Tape Loop, Mono/Stereo, Low Filter and Mute Buttons. We back this preamp with a 2-year warranty because the Preamp-1 Pre-Amplifier is as solid as it gets.

    • Mic Level Control
    • Bass/Midrange/Treble/Loudness/Balance Control
    • Microphone Jack Input
    • Input Selector
    • Low Frequency Filter
    • Mute
    • Frequency Response: 5Hz - 30kHz +0 -3dB
    • Phono Pre-Amp for moving magnet cartridges

    Warning: California's Proposition 65

    Warning:

    This product can expose you to chemicals, including vinyl chloride, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.


    Input Sensitivity/Impedance
    • Mic 0.5V/600 Ohms 
    • Phono 3mV/47k Ohms 
    • Tape,Tuner, CD/DVD, Aux 150mV/47k Ohms 

    Output Level/Impedance 
    • Tape Rec 150mV/100k Ohms 
    • Pre Output 500mV/47k Ohms 

    Total Harmonic Distortion 
    • Mic less than 0.4% 
    • Phono less than 0.4% 
    • Tape,Tuner, CD/DVD, Aux less than 0.2% 

    Signal to Noise Ratio 
    • Mic more than 50dB 
    • Phono more than 70dB 
    • Tape,Tuner, CD/DVD, Aux more than 80dB 

    Frequency Response 5Hz - 30kHz +0 -3dB 

    Tone Control 
    • Bass ± 12dB @ 100Hz 
    • Midrange ± 6dB @ 1kHz 
    • Treble ± 12dB @ 10kHz 

    Loudness Control: +4/0/+2dB @ 100/1k/10kHz 
    Power Requirements: AC 120V 60Hz / 220V 50Hz 
    Dimensions: 18.9" x 2.36" x 8.25
    44 Questions asked
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    What's on your mind?


    Vince • 12/17/2019, 2:17:43 PM Hi, This product is currently out of stock according to website. Any idea when it will be available? Also, any problems if using it under 100v 50 Hz (not 115v 60Hz) Thank you
    Customer Service • 12/17/2019, 2:17:43 PM
    Hi Vince: The Pre-1 will be available by Mid May 2019. It will work in Japan. And regarding your question about the VKR120, I do not believe it is right for your application. SVC205 is still the best choice for your project. It will fit in a standard J box as well. Good luck TL/5452
    Gary • 12/17/2019, 2:17:43 PM Can i connect my Bose 901 equalizer to this unit?
    Customer Service • 12/17/2019, 2:17:43 PM
    Hi Gary:The Preamp1 features a Tape Loop Monitor connection labeled PLAY (input) and REC (output). You must activate The Tape switch must be enabled on the Preamp1 for the BOSE Active EQ to work.TL/5583
    Ron G. • 12/17/2019, 2:17:43 PM Hi,Can this preamp be a replacement for an old NAD 1155 stereo preamp?Thank you,Ron G.
    Customer Service • 12/17/2019, 2:17:43 PM
    Hi Ron:I would love to make a sale but the Preamp1 would be like adding a band-aid to your system, a replacement used NAD preamp starts at $199.00 on eBay plus freight. Our unit is an entry-level component in comparison selling new at $109.99. TL/5607
    Marcel • 12/17/2019, 2:17:43 PM Will this preamp work with marantz 7025 power amp. Many thanks
    Customer Service • 12/17/2019, 2:17:43 PM
    Hi Marcel:Yes, the Preamp1 will work with your Marantz but note that the internal Phono preamp is limited to MM, a Moving Magnet Cartridge. The problem will be locating a new preamplifier that would have a differential output so you could run Balanced Line connectin to get the full potential of the Marantz. I found a $400.00 Rotel with XLR outputs on eBay. Typically, it would cost more than MDF price of your amp to find another Balanced Line solution (even a used one at that).TL/5615