Catalog > Consumer Electronics > Kits > Smart Kits Catalog > Consumer Electronics > Kits > Kits (By Function) > Audio / Amplifiers etc. SMART KIT 1057 Cassette Head Preamplifier Cassette Head Preamplifier Part No: SMART KIT 1057 Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features A preamplifier using an IC capable of raising the low output of the cassette head to a level that will drive the TAPE IN input of a stereo preamplifier. It works well with any STEREO preamplifier. Very low distortion, high amplification factor and very good frequency response. Suitable power supply is the SMART KIT 1061. Operating voltage: 7-23VDC. Frequency response: 20Hz-40KHz. Max current: 20mA. Additional Information Brand Smart Kit nGroup Audio | Amplifier nDevice Kit Group Audio / Amplifiers etc. Model 1057