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Proton 520 Stereo Integrated Amplifier Aka Nad 3020 *please read*

End: 27.02. 2020 21:42:43 on Thursday

• Condition: Used
• Price: 64.08 EUR
• Status: sold
• Item number: 383435335420
• Counter: 616
• Seller: audio-reclaim (151|100.0%)
• Seller information: non commercial
• Item location: London
• Ships to: GB
• Shipping: 7,0 EUR
• on EBAY

RARE Vtg Proton 520 Integrated Stereo Amplifier w/ MM/MC Phono Stage Black

End: 27.02. 2020 01:34:50 on Thursday

• Condition: Used
• Price: 115.39 EUR
• Status: sold
• Item number: 264511153282
• Counter: 1798
• Seller: forasong123 (6485|100.0%)
• Seller information: Commercial (with base shop)
• Item location: Longmeadow, Massachusetts
• Ships to: US
• Shipping: 47,53 EUR
• on EBAY

Proton Am 455 Pro High End Verstärker Vollverstärker Amplifier

End: 20.02. 2020 22:28:03 on Thursday

• Condition: Used
• Price: 139.0 EUR
• Status: sold
• Item number: 233476496605
• Counter: 295
• Seller: scandynka (318|100.0%)
• Seller information: non commercial
• Item location: Berlin
• Ships to: DE
• Shipping: 6,95 EUR
• on EBAY

PROTON 520 STEREO AMPLIFIER

End: 12.02. 2020 20:00:57 on Wednesday

• Condition: Used
• Price: 80.0 EUR
• Status: sold
• Item number: 184158644175
• Counter: 116
• Seller: kinderfrozen (528|100.0%)
• Seller information: Commercial (with base shop)
• Item location: Piacenza, via Cà Dallara 31
• Ships to: Europe
• Shipping: 13,1 EUR
• on EBAY

Rare Proton D275 Car Stereo Amp Mobile Power Amplifier

End: 10.02. 2020 17:59:49 on Monday

• Condition: Used
• Price: 79.53 EUR
• Status: sold
• Item number: 184165148751
• Counter: 38
• Seller: arice.us2014 (95|96.4%)
• Seller information: non commercial
• Item location: North Las Vegas, Nevada
• Ships to: US
• Shipping: 61,32 EUR
• on EBAY

Vintage Proton AM-300 Stereo Amplifier Audiophile Home Theater Hi Fi Sound Amp

End: 06.02. 2020 01:41:28 on Thursday

• Condition: Used
• Price: 134.63 EUR
• Status: sold
• Item number: 254504326273
• Counter: 53
• Seller: fitzer918 (1617|100.0%)
• Seller information: Commercial (with base shop)
• Item location: San Francisco, California
• Ships to: US
• Shipping: 45,1 EUR
• on EBAY

VINTAGE - PROTON Model AP-1000 STEREO PRE-AMPLIFIER - DUAL MONO PRE-AMPLIFIER

End: 05.02. 2020 21:02:41 on Wednesday

• Condition: Used
• Price: 250.45 EUR
• Status: sold
• Item number: 143524097009
• Counter: 34
• Seller: rabi.mich (955|99.4%)
• Seller information: Commercial (with base shop)
• Item location: Las Vegas, Nevada
• Ships to: US
• Shipping: 54,32 EUR
• on EBAY

Vintage Proton 550 Stereo Amplifier #3077

End: 03.02. 2020 01:48:49 on Monday

• Condition: Used
• Price: 132.83 EUR
• Status: sold
• Item number: 123904886912
• Counter: 1090
• Seller: roustalab2050 (2340|99.9%)
• Seller information: Commercial (with base shop)
• Item location: Irvine, California
• Ships to: Worldwide
• Shipping: 68,66 EUR
• on EBAY

Proton D540 Integrated Stereo Amplifier

End: 02.02. 2020 17:49:10 on Sunday

• Condition: Used
• Price: 128.44 EUR
• Status: sold
• Item number: 274241858491
• Counter: 88
• Bids: 1
• Seller: pale_us_p9mvkhbi (77|100.0%)
• Seller information: non commercial
• Item location: Blue Island, Illinois
• Ships to: US
• Shipping: 71,66 EUR
• on EBAY

Proton D 540 Verstärker Amplifier

End: 02.02. 2020 02:53:43 on Sunday

• Condition: Used
• Price: 140.0 EUR
• Status: sold
• Item number: 174148232342
• Counter: 257
• Seller: leto_23 (667|100.0%)
• Seller information: non commercial
• Item location: Niederkassel
• Ships to: DE
• Shipping: 7,5 EUR
• on EBAY

Vintage Proton 550 Black Stereo Amplifier

End: 23.01. 2020 00:14:14 on Thursday

• Condition: Used
• Price: 91.77 EUR
• Status: sold
• Item number: 293327693128
• Counter: 861
• Seller: julier1103 (2382|98.7%)
• Seller information: Commercial (with base shop)
• Item location: Port Washington, New York
• Ships to: Worldwide
• Shipping: 120,22 EUR
• on EBAY

Proton/NAD 930 stereo receiver amplifier AM/FM Tuner

End: 21.01. 2020 15:12:02 on Tuesday

• Condition: Used
• Price: 47.94 EUR
• Status: sold
• Item number: 202883048700
• Counter: 27
• Seller: bigboutique (7395|99.7%)
• Seller information: Commercial
• Item location: Drybrook
• Ships to: GB
• Shipping: 4,95 EUR
• on EBAY

PROTON Model D1200 STEREO POWER AMPLIFIER - Great Sound !!!

End: 14.01. 2020 19:49:22 on Tuesday

• Condition: Used
• Price: 553.06 EUR
• Status: sold
• Item number: 133303381374
• Counter: 159
• Seller: jhlny2002 (2866|100.0%)
• Seller information: Commercial (with base shop)
• Item location: Voorhees, New Jersey
• Ships to: US
• Shipping: 103,05 EUR
• on EBAY

PROTON Model D1200 STEREO POWER AMPLIFIER - Great Sound !!! (item#2)

End: 14.01. 2020 17:50:06 on Tuesday

• Condition: Used
• Price: 553.06 EUR
• Status: sold
• Item number: 143501103724
• Counter: 102
• Seller: jhlny2002 (2866|100.0%)
• Seller information: Commercial (with base shop)
• Item location: Voorhees, New Jersey
• Ships to: US
• Shipping: 103,05 EUR
• on EBAY

Proton (NAD) 520 Stereo Integrated Amplifier

End: 30.12. 2019 01:14:06 on Monday

• Condition: Used
• Price: 70.36 EUR
• Status: sold
• Item number: 233429254844
• Counter: 1228
• Bids: 22
• Seller: mostly_hifi (4405|100.0%)
• Seller information: Commercial
• Item location: Prestatyn, Denbighshire
• Ships to: Worldwide
• Shipping: 23,93 EUR
• on EBAY

Proton Integrated Amplifier AM-455 TURNS ON GREAT SHAPE 330W 115V/60Hz

End: 27.12. 2019 07:52:00 on Friday

• Condition: Used
• Price: 39.43 EUR
• Status: sold
• Item number: 324018235708
• Counter: 156
• Bids: 7
• Seller: benjysunlimited (329|99.7%)
• Seller information: Commercial (with base shop)
• Item location: Saint James, Missouri
• Ships to: US
• Shipping: 72,46 EUR
• on EBAY

Vintage Proton/NAD 930 stereo receiver amplifier AM/FM Tuner Full working order 

End: 16.12. 2019 05:52:03 on Monday

• Condition: Used
• Price: 37.15 EUR
• Status: sold
• Item number: 264561081471
• Counter: 259
• Bids: 16
• Seller: jamesmortimer (369|100.0%)
• Seller information: non commercial
• Item location: Hemel Hempstead, Hertfordshire
• Ships to: GB
• Shipping: 10,0 EUR
• on EBAY

Proton 520 Stereo Integrated Amplifier

End: 19.11. 2019 10:32:55 on Tuesday

• Condition: Used
• Price: 53.49 EUR
• Status: sold
• Item number: 174094058282
• Counter: 50
• Seller: andrecoomb_5 (1017|99.7%)
• Seller information: non commercial
• Item location: Waterlooville
• Ships to: Europe
• Shipping: 8,95 EUR
• on EBAY

PROTON MODEL 1100. STEREO PRE-AMPLIFIER. MM/MC PHONO INPUT *READ* 1309

End: 19.11. 2019 03:42:17 on Tuesday

• Condition: Used
• Price: 27.97 EUR
• Status: sold
• Item number: 323977167107
• Counter: 329
• Bids: 2
• Seller: thisvintagecloset (1193|98.0%)
• Seller information: non commercial
• Item location: Chesterfield, Missouri
• Ships to: US
• Shipping: 43,33 EUR
• on EBAY

Proton D540 Verstärker Pre Amplifier Endstufe Vorstufe PROTON

End: 04.11. 2019 21:06:07 on Monday

• Condition: For parts or not working
• Price: 50.0 EUR
• Status: sold
• Item number: 202814240126
• Counter: 102
• Bids: 1
• Seller: thorsotk (1665|100.0%)
• Seller information: non commercial
• Item location: Stockach
• Ships to: Worldwide
• Shipping: 22,99 EUR
• on EBAY

PROTON AA-2120 AMPLIFICATORE FINALE DI POTENZA - 2X120W - STEREO POWER AMPLIFIER

End: 27.10. 2019 14:26:34 on Sunday

• Condition: Used
• Price: 519.99 EUR
• Status: sold
• Item number: 254399846620
• Counter: 123
• Seller: davzac82 (91|98.3%)
• Seller information: non commercial
• Item location: Vasto
• Ships to: Europe
• Shipping: 69,0 EUR
• on EBAY

Proton 300 & 301 Speaker Radio And Amplifier. Tested Working. Clean. Fast Ship

End: 08.10. 2019 06:32:49 on Tuesday

• Condition: Used
• Price: 80.53 EUR
• Status: sold
• Item number: 113882959459
• Counter: 142
• Seller: stellaspicks (293|100.0%)
• Seller information: non commercial
• Item location: Saddle River, New Jersey
• Ships to: US
• Shipping: 50,42 EUR
• on EBAY

Proton 1100 Stereo Preamplifier Rare Vintage Pre Amp Test Pictures Works Great

End: 07.10. 2019 18:06:22 on Monday

• Condition: Used
• Price: 174.13 EUR
• Status: sold
• Item number: 312765813147
• Counter: 68
• Seller: pacificpicks (171|100.0%)
• Seller information: Commercial (with base shop)
• Item location: Beaverton, OR
• Ships to: US
• Shipping: 42,38 EUR
• on EBAY

Proton 520 Stereo Integrated Amplifier

End: 04.10. 2019 19:09:34 on Friday

• Condition: Used
• Price: 75.36 EUR
• Status: sold
• Item number: 264466094154
• Counter: 134
• Seller: tinrib.gb (411|98.3%)
• Seller information: non commercial
• Item location: Worthing, West Sussex
• Ships to: GB
• Shipping: 6,98 EUR
• on EBAY