 | SOLD items 2019 archive 2 product details :
Proton 520B
stereo amplifier
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| Proton 520B stereo amplifier : front view | Proton 520B stereo amplifier : right top view |
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| Proton 520B stereo amplifier : controls closeup | Proton 520B stereo amplifier : back view |
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| Proton 520B stereo amplifier : left top view | Proton 520B stereo amplifier : size scale |
| SOLD October 2019 on trademe to Torbay, Auckland | S/N: P52B05859 |
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sitemap Proton 520B stereo amplifier specifications Back to NRPavs Home
Proton 520B stereo amplifier - dark grey :
Features :
1984 vintage 20W amplifier
No remote control
Low profile stereo amplifier with similar appearance to NAD equipment
Proton are a 45+ year old Taiwanese worldwide OEM electronics producer who also manufactured NAD equipment,
Proton components in general, use superior quality components
Specifications :
-:®:- Vintage : 1984 model
-:®:- Power : 20W RMS at 8 ohms with THD distortion 0.015%
-:®:- Clipping power : at 8/4/2ohms : 26W / 35W / 39W
-:®:- Dynamic headroom : at 8ohms/4ohms/2ohms : 46W / 78W / 100W
-:®:- Damping factor : >300
-:®:- Phono : MM moving magnet preamplifier
-:®:- Frequency response : 20 to 20kHz ±0.2dB
-:®:- Power bandwidth at THD 0.1% : 10Hz to 60kHz
-:®:- High level input resistance / capacitance : 15kOhm / 220pF
-:®:- Line input sensitivity : VIDEO / tape play: 150mV, phono MM: 2.5mV
-:®:- Residual noise : 0.3mV
-:®:- Channel crosstalk [1kHz] : 65dB
-:®:- Signal to noise [A-weighted] : Tape / Aux: 96dB, Phono MM: 87dB
-:®:- Phono input resistance [MM] : 47kohm
-:®:- Phono overload [MM] at [20Hz / 1kHz / 20kHz] : 20mV / 200mV / 2.0V
-:®:- Phono THD at 4.5V output [MM] : 0.03%
-:®:- RIAA response accuracy [MM] : ±0.2dB
-:®:- Speaker outputs : A only
-:®:- Tone controls : none
-:®:- Dimensions [ W x H x D ]: 420 x 87 x 280mm
-:®:- Weight : 5.2kg - packed weight ~ 7kg
SOLD October 2019 on trademe to Torbay, Auckland
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