hifi engine

Manual Library / TEAC


Test Tone Oscillator (1985-87)

add a review add a review



The TEAC model TO-8 test tone oscillator is a small, lightweight, battery operated, sine wave oscillator.

It is very convenient to use in alignment, trouble shooting, and testing of audio equipment, and is capable of 30 hours continuous operation.


Frequency: 3 spot frequencies, 400Hz, 6.3kHz and 12.5kHz selected by a rotary switch

Output: -10dB, -30dB and off, unbalanced into 10k ohms or higher load

Frequency response: +-1.0dB

Total harmonic distortion: less than 1.5%

Frequency accuracy: +-10%

Battery: Burgess 2U6 (9V) or equivalent


instruction/owners manual   English -

instruction/owners manual   Nihongo -

Related Catalogues


Audio Programm

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.


This website is not affiliated with or sponsored by TEAC. To purchase TO-8 spares or accessories, please contact the company via their website or visit an authorised retailer.