hifi engine

Manual Library / Stax

Stax DA-80

Class-A Stereo Power Amplifier (1978)

add a review (1 review)

Stax DA-80


Power output: 45 watts per channel into 8Ω (stereo)

Frequency response: 3Hz to 500kHz

Total harmonic distortion: 0.005%

Damping factor: 600

Gain: 26.3 dB

Input sensitivity: 0.89V

Signal to noise ratio: 100dB

Speaker load impedance: 2Ω (minimum)

Semiconductors: 31 x transistors, 24 x diodes

Dimensions: 437 x 166 x 407mm

Weight: 19.5kg

Year: 1978


service manual   English - Jeepo65

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.


 Login or register to post reviews

Reviewed May 26th, 2016 by rob2ed_k

This Class A amplifier astounded me with its ability to handle explosively dynamic music whilst driving a notoriously difficult electrostatic load. An extraordinarily capable amplifier that has quite a transparent presentation.



This website is not affiliated with or sponsored by Stax. To purchase DA-80 spares or accessories, please contact the company via their website or visit an authorised retailer.