OSD Audio - Pre-1 Stereo Preamplifier with Phono, Microphone and Tone Controls for Home Theater and Recording - Black
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About this product
The Pre-1 is an affordable stereo preamplifier that handles the signal conditioning tasks a power amplifier alone cannot. It accepts phono, microphone, tape, tuner, CD/DVD and auxiliary sources, matching each to the appropriate sensitivity and impedance: 3mV at 47k ohms for phono, 0.5V at 600 ohms for microphone and 150mV at 47k ohms for line sources. A phono stage with proper gain and loading means a turntable connects directly without a separate phono preamp. The microphone input boosts low-level mic output to a usable recording level, which produces a cleaner signal than plugging a microphone straight into a computer. Tone controls offer plus or minus 12dB of bass at 100Hz, plus or minus 6dB of midrange at 1kHz and plus or minus 12dB of treble at 10kHz, with a loudness contour for low-volume listening. Frequency response spans 5Hz to 30kHz. Tape record and preamp outputs feed a recorder and a power amplifier simultaneously. Dual voltage AC 120V/60Hz or 220V/50Hz operation.
Features
Built-In Phono Stage for Turntables
A dedicated phono input rated at 3mV into 47k ohms provides the gain and loading a moving-magnet cartridge requires, so a turntable connects directly without a separate phono preamp. Phono signal-to-noise measures above 70dB with total harmonic distortion under 0.4 percent.
Microphone Input for Cleaner Recordings
A 0.5V/600-ohm microphone input boosts the weak output of a microphone to a usable recording level. Running a mic through the Pre-1 rather than directly into a computer sound card delivers a stronger, cleaner signal and adds tonal character that plain digital inputs cannot provide.
Three-Band Tone Controls with Loudness
Bass adjusts plus or minus 12dB at 100Hz, midrange plus or minus 6dB at 1kHz and treble plus or minus 12dB at 10kHz. A loudness control adds +4/0/+2dB at 100Hz, 1kHz and 10kHz to restore perceived bass and treble balance during low-volume listening when the ear is less sensitive at the extremes.
Six Source Inputs with Matched Sensitivity
Phono, microphone, tape, tuner, CD/DVD and auxiliary inputs each receive appropriate sensitivity and impedance matching. Line sources see 150mV at 47k ohms with distortion under 0.2 percent and signal-to-noise above 80dB, so switching between sources does not require level adjustment at the amplifier.
Tape Record and Preamp Outputs
A tape record output at 150mV into 100k ohms feeds a recorder while a 500mV preamp output at 47k ohms drives a power amplifier, so recording and playback run at the same time. Frequency response spans 5Hz to 30kHz (+0/-3dB). Dual voltage 120V/60Hz or 220V/50Hz, 18.9 inches wide, 2-year warranty.
Specifications
- Continuous Watts x Channel @ OhmsNot applicable, preamplifier with no power output stageNumber of Channels2Number of Audio Zones1Network Connector(s)No network connectors
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The XMP300 GEN2 is a high-output Class D stereo amplifier for home, studio and distributed audio systems. It delivers 150W x2 RMS into 8 ohms, 300W x2 RMS into 4 ohms, or 600W bridged mono into 8 ohms, with a signal-to-noise ratio above 90dB for clear, low-noise sound. Four separate inputs include 24/192 USB audio and dual line-level inputs with automatic source switching: connect a TV or digital audio device as the main source and a music streamer to the interrupt input, and the amplifier switches automatically when the secondary source starts, then returns to the primary when it stops. Front-panel volume, balance and A/B speaker selection plus bass and treble controls tune the sound to the room. Two 8-ohm speaker pairs can be connected and switched on or off independently, making it easy to add outdoor or second-room speakers. Trigger and auto-sensing power modes allow the amplifier to be installed out of sight. Multi-voltage 100V to 240V operation with a 2-year warranty.
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Vinyl Revived.The ZEN Air Phono 2 offers a drastically improved listening experience compared to the built-in phono stages of record players and amplifiers offering an ultra-low noise floor for enhanced detail and a precise RIAA EQ for authentic playback as the artist and engineers intended. iFi’s in-house subsonic filter corrects for record warp without removing bass or adding audio artifacts and adjustable MM and MC gain modes remove the worry of cartridge chouses and compatibility for newcomers.FeaturesUltra-Precise RIAA EQIntelligent Subsonic FilterSupports MM And MCUltra-Low Noise FloorSymmetrical Channel LayoutAuthentic Vinyl PlaybackAhead Of The Curve. Vinyl records are cut with Inverse RIAA Equalisation requiring accurate conversion to ensure authentic playback. This conversion from grooves in your recording to the analogue signal feeding your system is a critical moment in the playback process and a lack of precision can be devastating for the quality of your listening experience. The ZEN Air Phono 2 adopts iFi's incredibly accurate RIAA playback curve within a remarkable +/-0.15dB tolerance. With this incredible level of accuracy you can rely on the ZEN Phono 2 to deliver true accurate music playback that authentically represents the intent of the original artists and recording engineers. Full Bass. No Rumble.Older records can become prone to warping which introduces low-frequency rumble during playback. While subsonic filters are not uncommon in phono stages they are disliked by enthusiasts as they typically remove bass frequencies while filtering warp.Since 2012 iFi has been solving this problem with their in-house intelligent subso
| Pros for OSD Audio - Pre-1 Stereo Preamplifier with Phono, Microphone and Tone Controls for Home Theater and Recording - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Sound Quality | There were no pros for this product— |
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