Exposure has been perfecting the art of creating real Hi-Fi for real music lovers since 1974. Designed, engineered and proudly manufactured in Britain by a talented team of audio engineers who are passionate about the reproduction of music. The Exposure Preamplifier The Exposure 3510 Preamplifier helps to deliver your music with a precision and power that surpasses expectations for its competitive price. When paired with the 3510 Stereo Power Amplifier or 3510 Mono Power Amplifier, you experience the genuine Exposure sound. It features tuneful bass, sparkling high frequencies, and an open mid-band that brings performers right into your room—all at a price that will leave you smiling. Features Large custom made toroidal power transformer and smoothing capacitors for power supply Option to fit a MC or MM phono module OR plug in DAC option 6 line inputs or 5 plus optional phono card, 2 main out (RCA) and 1 tape output High quality relays used for input source selection Full remote control of input selector, volume and mute Audio output stages utilising discrete transistor class A output buffer High quality all aluminium case work Three year guarantee Available in black or titanium With the DAC option, Exposure 3510 Preamplifier can also be connected to any digital devices easily, giving them the genuine Exposure sound. Connecting these components to a quality set of speakers takes just a few minutes. However, rediscovering your favorite music will take hours as you enjoy true hi-fi sound. This is what hi-fi should be—simple, affordable, and fun. To use the Exposure 3510 Preamplifier with a turntable, ensure that you add the correct phono stage option. Optional Boards - 3510 MM or MC Board Options All discrete transistor audio stages High quality parts used throughout Tight tolerance parts used for accurate equalisation Low noise power supply regulators DC coupled input stage Specifications Outputs: Output Level: 1.9V for rated input (gain +18dB full volume) Maximum Output: 7.7V RMS @ 1kHz Frequency Response: 20Hz - 20kHz ± 0.25dB Total Harmonic Distortion: 100dB, A weighted Input: Input Impedance: 18K Ohms minimum Input Sensitivity: 250mV MC Board Specifications: Sensitivity and Signal to Noise, ref 1kHz and 250mV Out: GAIN 1 jumper fitted: 2.5mV, >68dB S/N (default setting)No jumper fitted: 5mV, >70dB S/N Loading: 6n8 in parallel with 1K5 Ohms With Loading Jumpers Fitted: 1+2+3 100 Ohms (default)1+2 110 Ohms1+3 130 Ohms2+3 210 Ohms1 160 Ohms2 310 Ohms3 470 Ohms MM Board Specifications: Sensitivity and Signal to Noise, ref 1kHz and 250mV Out: GAIN 1 jumper fitted: 2.5mV, >78dB S/N (default setting)No jumper fitted: 5mV, >79dB S/N Loading: 47K OhmsWith Loading 1 Fitted: Additional 220pF in parallel with the cartridge (default) 3510 DAC Plug-In Board Option Features: All discrete transistor output stageHigh quality parts used throughoutTight tolerance parts used for analogue filteringLow noise audio stage power supply regulators DAC Specifications: 2V RMS output for full scale inputTHD @ 1KHz < 0.005% Coax (BNC) Input Sample Rate Supported: 32, 44.1, 48, 88.2, 96, 176.4 & 192kHz @ up to 24 bits USB2 Input Sample Rate Supported: 44.1, 48, 88.2, 96, 176.4 & 192kHz PCM @ up to 24 bits General: Mains Supply: 110/120V or 220/240V, 50/60Hz (factory set) Fuse: T5AL for 110/120V unitsT2.5AL for 220/240V units Power Consumption: