Check the listing for details. TCC TC-778 RIAA / 78 Phono Preamp with PREMIUM SMPS PS. Condition: New. Listed at 75.50 USD. Welcome to PHONOPREAMPS.COM on Technolink TC-778 RIAA Phono Preamp With 78rpm Equalization Switch and Input (this listing includes our optional PREMIUM regulated SMPS power supply) $75.50 plus shipping The TC-778 combines the proven low noise discrete RIAA design found in the TC-750 with the ability to select equalization much more appropriate for playing and recording 78rpm records. Dedicated rear input jacks accomodate a separate 78 table; or the same input can be used for both RIAA and 78 (for those of you who have one table capable of playing all record speeds). Simply set the rear panel switch to the position which suits your situation. 12 volt DC operation; will work anywhere in the world one year defective repair or exchange warranty RIAA freq response 20hz-20,000hz +/- 0.5dB, S/N ratio >80dB CE certified; nice packaging suitable for gifting gold-plated jacks and black anodized metal casing Channel Separation 50 dB; Subsonic Filter at 10 Hz ground wire terminal; power indicator includes AC adaptor, RCA cable and miniplug adaptor142mm long / 73mm wide / 37mm high If connecting to a computer, simply substitute it in the diagram for the receiver shown below. Use the sound card's LINE INPUT jack, NOT the MIC IN. Any of the following labelled amplifier/receiver/minisystem input jacks can be used; AUX, TAPE IN/PLAY, LINE IN, CD, TUNER, MD (MiniDisc), VIDEO or DVD (use the L&R AUDIO jacks so labelled; ignore the actual yellow VIDEO jack if present). Plug your MiniDisc, TV audio, CD Player or whatever into the preamp's AUX input, and press AUX to hear. We include free of charge a stereo patch cord (for connection to a receiver or minisystem) and a mini-plug adaptor for use with computers. This model is also available on eBay (for $10.00 less) with our standard AC power adaptor; click HERE to visit the product listing... Visit the Phonopreamps.com Buyers outside the USA should visit our eBay FAQ page for info about shipping methods, tariffs and customs duty. Check out our feedback for this and other Phonopreamps.com preamp models; you'll find LOTS of happy campers...