Noise Reduction Unit (1972)
The Teac AN-180 is a noise reduction unit employing the Dolby B system.
The unit comprises independent playback, record, meter amplifier and oscillator circuits, all utilising such new solid state circuit elements as ICs and FETs.
Designed to assure years of trouble free operation, the unit requires practically no recalibration except after the replacement of components.
The manual describes, mainly for the benefit of service engineers, the specifications, adjustment and testing procedures, trouble shooting and circuit diagrams of the AN-180.
Input sensitivity: 100mV
Output level: 1V
Noise reduction system: dolby
S/N improvement: 10dB (dolby)
Frequency response: 20Hz to 15kHz
Signal to noise ratio: 65dB
Total harmonic distortion: 3%
Channel separation: 50dB
Dimensions: 140 x 410 x 325mm
If you have any problems opening files please read the download FAQ. All files are provided under strict licence and reproduction without prior permission or for financial gain is strictly prohibited.
If you have additional documentation please consider donating a copy to our free archive.
Reviewed Apr 05th, 2016 by laurencerose
I purchased this unit along with an Akai GX365D over 40 years ago. It performed exceedingly well. It has separate circuits for both record and playback. It is a great looking unit and looks good and performs well in any high quality system any system.