OSD Audio Pre-1 High Definition Preamplifier – Multi Source Select Phono Ready
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Availability:
17 left in stock
Arrives
Friday, Jul 31
Features
- DESIGN: OSD Audios Pre-1 is a unique preamplifier that accomplishes the subtle audio tasks that takes an ordinary audio source management to the next level.
- SOUND QUALITY: The Pre-1 assists in experiencing a true home theater surround sound. It allows the ear to hear every detail for an enhanced audio environment.
- POWER: A low frequency filter gives a response of 5Hz-30kHz +0 -3dB in order to have the ultimate powered preamp for a home recording or stereo system.
- CONTROLS: The front panel has adjustable mic level control, input selector, microphone jack output, and mute option. It controls the bass for midrange, treble, loudness and balance control.
- SIGNAL: A preamp is an important element for music recording to boost the low-level output on microphones. It provides a better recording signal compared to standard equipment.
Description
The PRE-1 Professional Preamplifier is the ideal hub for audio enthusiasts who want to connect multiple sources with precision & clarity. Featuring a dedicated phono input for turntables, microphone input, & multiple line-level connections, this preamp lets you enjoy everything from vinyl records to streaming devices in one seamless setup. With bass, treble, & balance controls plus recording output, the PRE-1 delivers the flexibility & control serious listeners demand for home audio. You can easily switch between multiple audio sources with the simple front-panel knob, giving you quick control and effortless access to your music. Fine-tune your audio with front-panel EQ controls, allowing precise adjustment of bass, treble, balance, and mic level for a perfectly tailored sound. The dedicated Tape RCAs let you easily connect to recording equipment, making home recording simple while preserving the clarity of your audio. The rackmount-ready design not only gives the preamp a clean, professional appearance but also ensures seamless integration into standard audio racks A home audio company who understands that good audio equipment doesn’t necessarily have to cost an arm and a leg. Founded in 2003 by a group of audiophiles who understood that good audio products didn’t necessarily have to cost an arm and a leg. We started with a small line of outdoor rock speakers that immediately gained attention. OSD has maintained the core values that allowed us to grow from each of those aforementioned categories: Solid build quality, nice levels of performance, and good overall value. Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store
Manufacturer: OSD Audio
Mounting Type: Surface Mount
Brand: OSD Audio
Number of Channels: 2
Package Type Name: Retail Box
Mounting Type: Surface Mount
Number of Channels: 2
Package Type Name: Retail Box
Manufacturer: OSD Audio
Model: PRE-1
Brand Name: OSD Audio
Unit Count: 1 Count
UPC: 819603012446
Part Number: PRE-1
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Jul 31
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
This preamp does it all! It has a processor (tape) loop, a mono switch, a phono stage, multiple tone adjustments and it sounds great! The only complaint that I have is that the ground wire for the phono input is located on the opposite end of the back panel from the phono input plugs and requires a separate ground wire (not the ground wire with the phono cable). Having said that, I hasten to add that the phono stage is dead quiet without a ground wire attached, at least in my system. The phono input can sound a bit bright as well, but there are multiple tone control adjustments available, so one can customize the sound; set it and forget it. The mono switch is useful if you're playing mono LPs. Likewise, if one has a tape recorder or an external processor that you'd like to switch in-and-out, then the tape loop (which, sadly, along with the mono switch, is an almost extinct feature today) is very useful. This is a "traditional" preamp, so don't expect Bluetooth connectivity or digital inputs and you definitely will not be disappointed.
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Reviewed in the United States on October 14, 2019 by Gerald E. Platt
Great preamp if hooked up correctly with good cables
Reviewed in the United States on July 7, 2026 by Kaitlin W.
Just set this up. First off, it shipped timely, came well packed and arrived in perfect condition. Seller deserves 5 stars. Now for performance. (This is being used with a solid state Kenwood M1 -100 watt per channel power amp running through Klipsch Icon KB-15 bookshelf speakers hooked to a Klipsch sub-woofer, just for reference) All inputs function properly. All controls function properly. Sound is fine, nothing exceptional, but fully satisfactory for a preamp of this price. Separation is fine, depth is fine, tone is fine, again nothing exceptional, but very satisfactory. So for basic performance everything is doing what it should and how it should. The fine details: As mentioned in othe reviews, the volume knob is extremely touchy. With my 100 watt amplifier I don’t turn it up past 1/3 of total volume, and it is detented so getting the volume where you want it is difficult. ( solved this by buying a small in line volume knob to run between this pre-amp and the power amp. Cost about $12.00 on Amazon. Easy fix. Thanks to other reviewers for that heads up so I was prepared with my fix when I received this pre-amp). There is some low level cross talk from other inputs. ( just make sure that you turn off the other devices you have connected to this pre-amp and this is eliminated. In other words, even if you have the input for your CD player not selected, if you then select the input for your tuner, there will be a very slight sound from the CD player still coming through. Solution is don’t play you CD player while listening to your tuner, and don’t leave the tuner on when listening to the CD player, etc. A bit inconvenient, but not a deal breaker. Again thanks to previous reviews for that heads up. So, all in all, this item is exactly what I expected. It is a basic fully functional pre-amplifier that functions as it should and as I expected. For the money, it can’t be beat ( not to mention that there is no other pre-amplifier even made or sold in this price range). So if you are only looking for exactly what this is, and you don’t want to pay a minimum of $1000.00 for the next least expensive pre-amp out there, this is your next pre-amp. The only one made, the only one sold and the only one available to function as an acceptable pre-amp for your stereo setup. Hope this helps others in the same quandary that I was in when considering this purchase.
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Reviewed in the United States on November 29, 2023 by LDY
Works perfectly for what I bought it for. The music I normally listen to, unlike the video above, requires a mid-range adjustment to sound right. All the EQ's on the market are a minimum of 11 bands, give me 22 settings to play and I'll never stop messing with the sound. This is great, I only ever touch 4 knobs. All the sound adjustment knobs are very sensitive to changing the sound. The only other knob I touch is the loudness knob, one cool feature that sets this unit apart from others. Normally a loudness button on your stereo just cranks all settings to maximum. This one actually changes the sound of the music as if you were playing it at louder volumes without changing the actual volume. It multiple inputs which works well for me. I plug the CD player and the turntable directly into the EQ, then plug the EQ into the the amp. So the EQ is the only unit I really ever mess with. For the price I was a little skeptical, but I can honestly say it works amazingly well, I did loose a tiny bit of sound quality. It was not enough to make me give up my new found control over the sound. After a week I didn't even notice the extremely small difference anymore. I've never used the mic and never will. So..but I would buy this unit over and over again.
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Reviewed in the United States on September 22, 2024 by William Allen Foster
I purchased to link into a home theater receiver in living room. (not my high end system). I needed it for it's phono input and maybe a simple analog tone control as I would be disabling the digital processing in the receiver. Let me tell you what happened... I plugged my B O Rx2 turntable with fitted soundsmith smmc 3 cartridge in an analog input. The cartridge alone costs over 3 times what this preamplifier costs... I set the Yamaha receiver to pure direct bypass. The phono section in the OSD pre 1 is dead quiet and had plenty of gain for the fairly low output smmc cartridge. I ended up engaging the variable loudness and slight reduction in the mid tone control and the spectral balance was perfect. The variable loudness was not typical of the "variable" types that create hugh suckouts rendering them useless. It provided that true bass slam of those 70's and 80's receivers that is all but gone in today's receivers. Controls are accurate and effective, balance, tone, and push switches seem solid, as well as the power switch. I'm very experienced in high end equipment and have owned Krell, Parasound, Emotiva, Sunfire, BK, Nad, Rotel to name a few. So trust me, this preamp will not degrade your sound and provide the control you need. The bass is clean and tight. The generation of audiophiles and music lovers seeking that punchy, clean, non harsh, analog sound have an opportunity here in this product. I would assume it would not have the tranparency of high end equipment, but what good is that if you have ear fatigue after a few songs and no way to customize the spectral balance of the sound... Highly recommended, get 1 before they're gone or discontinued.
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Reviewed in the United States on September 13, 2020 by G-Man
I really just picked this up because my receiver has no preouts, so I bring my signal straight from my pc to this preamp via the 3.5mm aux to rca adapter cable....but as it turns out, I find the bass, mid, treble, and loudness adjustment dials on this unit to be so effective and handy that I'm really not making tuning adjustment anywhere else.....the best part, though, is that I can set all of my volume/gain levels on my amps (running 3 right now) and on the pc where the signal comes from when i turn everything on, and from then on I only use the single volume dial on this preamp to adjust the volume up or down for everything....sounds like a small thing to some, but I listen to a lot of music and it gets to be a big pain if you don't have an easy way to make volume/gain adjustments on 3 frequency ranges with 2 channels per range...everything I need for the most part is right there on this preamp...I love it and it was more than affordable compared to pretty much anything else you'll ever buy for your audio system....any time you can spend $100 or less and it makes such a substantial change to how you can operate your many electronic wares, it is a huge win as far as I'm concerned...this unit had great reviews...and that is why i read the reviews religiously on Amazon...get one of these units....totally worth it!
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Reviewed in the United States on August 15, 2024 by Darrellb
***Update***:After a year I discovered crosstalk when I listened to my tape monitor with out turning the tuner off. After contacting OSD about this and not getting a resolution, I looked deeper. Apparently there is a grounding issue with the preamp. The Crosstalk is resolved by removing the 3 front screws on the bottom panel, one at a time. Scraping the paint from the screw hole and reinstalling the screw. Doing this resolved the crosstalk. Interesting that OSD didn't offer this solution. I notified OSD of the solution and closed my ticket. If you have crosstalk between inputs, give this a try. I was building a component audio system and needed a way to manage my inputs. I wanted a clean design as well as low distortion. Essentially I wanted a system that would manage my inputs with out introducing any hum or noise. I just needed it to be there. I read some reviews that indicated the introduction of hum, indicating a lack of grounding. I do not experience this. The pre-amp is quiet and simply does what I need it to do. I have a Sangean HDT-20 HD Radio/FM Stereo/AM Component Tuner, Refurbished Technics SL-Q5 Linear Tracking Turntable, Douk Audio T4 PRO Vacuum Tube Phono Preamp and Audio Source AMP310VS Amp attached. I connected the Turn Table to the Aux. 1 input instead of the included Phono input, as I wanted a tube based Turn Table Pre-Amp for that "Warm Sound". Overall, I am very pleased with the system I built.
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Reviewed in the United States on March 26, 2025 by coach george
If you carte about the quality of the audio, this is not the product for you. Given the low cost, this is not terribly surprising, however, it is in my opinion low quality even for the price. Biggest issues: 1. Poor Signal to Noise ratio: Significant and noticeable white noise when no music is playing and volume is more than about 25%. If you listen to music that has few quiet parts, you may not notice it. If you listen to classical or other music with wide dynamic range in volume, then it will ruin the music for you. 2. Crosstalk: There is significant leakage between input channels. for example, if you have a tuner on one input and a CD on another, and are listening to the CD, you will also very faintly hear the tuner. There is very poor separation between inputs. 3. The mic input has no separate input selection setting,. This is because the mic input is always an input no matter what other source you select. If you want to listen to an MP3 player or a phone connected via cable through the mic input, you need to select a source with no audio input, otherwise, the two inputs will be mixed and you will hear both. You get what you pay for. If you are cranking on loud Rock&Roll or have low bit-rate mp3's, or otherwise don't care about sound quality and SNR and dynamic range, then this will probably work just fine for you. If you actually care abut the quality of the music, don't waster your money. After purchasing this unit, I was convinced that it was better to spend $200 getting my old Yamaha pre-amp fixed for the home stereo. I might use this unit in the garage, or most likely donate it...
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Reviewed in the United States on October 18, 2020 by I really did buy this