*This item is excluded from use of other offer, discount or coupon.
Connects a turntable to any receiver, mixer, or soundcard
Selectable input capacitance for optimum cartridge performance
Dual RCA-type inputs and outputs
Switchable low-cut (rumble) filter
Power supply included
Product Details ART DJ PRE II Phono Preamp with RIAA Equalization Housed in an all aluminum black anodized case, the DeeJayPRE II can be powered by a wide variety of external supplies. If you need to amplify and EQ your vinyl records to interface with your audio workstation, sound card, home stereo system or playback monitor system, the DeeJayPRE II gives you flawless audio reproduction in a rugged and reliable package. Signal indicator lights green with signal and changes to red when signal clipping occurs. Specifications: *Frequency response: 10Hz -50KHz, +/-0.5dB *THD: 0.01% Typical @ 1KHz *Hum and noise: >90dB below clipping *Input impedance: 47k ohms in parallel with either 100pF or 200pF *Maximum input level: 40mVrms @1KHz *Maximum gain: 45dB @ 1KHz *Input/Output connections: RCA *Maximum output level: +6dBu (1.4Vrms) *Filter type/response: Switchable, low cut, -3dB @ 22Hz *Power requirements: 7-12VDC or 9-12VAC @ 150mA *Dimensions: 1.75" H x 4.2" W x 3.5"D *Weight: 1.25 lbs. Phonograph records have three basic problems:
1. It is physically impossible to press them with ridges that end up allowing low frequencies to come out at the same reproduction level as mid and high frequencies. Bass compensation is therefore needed during playback.
2. Records produce a certain amount of hiss which is covered up in post-production by boosting the gain of the high frequencies before pressing. Counter-EQing during playback compensates for this.
3. Magnetic cartridges produce a weak signal, which must be boosted to match the rest of the amplification, and this too is done during playback.
In the mid-1950s, the RIAA (Recording Industry Association of America) established compensation standards. The resulting RIAA preamp has been built into every hi-fi and stereo amplifier with phono or turntable inputs since then. A separate RIAA preamp is necessary when you are connecting a turntable to a mixer that does not have one built in. The A
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