Proton 520 - Manual - Stereo Integrated Amplifier - HiFi Engine.pdf

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4/25/2020
Proton 520 - Manual - Stereo Integrated Amplifier - HiFi Engine
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Manual Library
(https://www.hifiengine.com/manual-library.shtml)
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Proton
(https://www.hifiengine.com/manual_library/proton.shtml)
Proton 520
Stereo Integrated Amplifier
(https://www.hifiengine.com/add-a-review.php?nid=5103)
(2 reviews)
(https://www.hifiengine.com/add-a-
review.php?nid=5103)
Specifications
520
(#520)
520B
(#520B)
Power output: 20 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.015%
Damping factor: 90
Input sensitivity: 0.2mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 68dB (MC), 80dB (MM), 90dB (line)
Price: GBP £115 (1992)
Downloads
service manual
(https://www.hifiengine.com/hfe_downloads/index.php?proton/proton_520_service.pdf)
-
-
Andriiko
520B service manual
(https://www.hifiengine.com/hfe_downloads/index.php?proton/proton_520b_service_en.pdf)
(https://www.hifiengine.com/users/andriiko)
Proton Integrated Amplifiers
(https://www.hifiengine.c
om/manual_library/proto
n/550.shtml)
(https://www.hifiengine.c
om/manual_library/proto
n/am-300.shtml)
(https://www.hifiengine.c
om/manual_library/proto
n/am-452.shtml)
(https://www.hifiengine.c
om/manual_library/proto
n/am-455.shtml)
550
(https://www.hifiengine.c
om/manual_library/proto
n/550.shtml)
AM-300
(https://www.hifiengine.c
om/manual_library/proto
n/am-300.shtml)
AM-452
(https://www.hifiengine.c
om/manual_library/proto
n/am-452.shtml)
AM-455
(https://www.hifiengine.c
om/manual_library/proto
n/am-455.shtml)
Reviews
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https://www.hifiengine.com/manual_library/proton/520.shtml
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4/25/2020
Proton 520 - Manual - Stereo Integrated Amplifier - HiFi Engine
Reviewed Jan 27th, 2020 by
Marley me
(https://www.hifiengine.com/users/marley-me)
Ampli qui révèle d’emblée un caractère assez dynamique, parfait à l'écoute, laisse écouter sans fatigue ni frustrations.
Reviewed May 20th, 2018 by
Rolf Wedberg
(https://www.hifiengine.com/users/rolf-wedberg)
Seriously built amplifier. Easy to service. Sounds well.
Comments
This website is not affiliated with or sponsored by Proton. To purchase 520 spares or accessories, please contact the
company via their website or visit an authorised retailer.
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