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Proton 301

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Compact two-way bookshelf loudspeaker designed for high-fidelity stereo reproduction

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Product

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Listed

eBay

Proton Model P301R Vintage Bi Amplified Loudspeaker 100W 120V 60Hz/Tested Works $80 Jul 19, 2025

eBay

Proton 301 BI-Amplified Loudspeaker - Good Condition Sounds Fantastic $30 Jul 4, 2025
- Jul 22, 2025

eBay

PROTON 300 AM/FM STEREO RADIO WITH PROTON 301 BI-AMPLIFIED LOUDSPEAKER - *READ $149 May 31, 2025

eBay

Proton 301 BI-Amplified Loudspeaker Black Tested Working $62 May 27, 2025

eBay

Proton 301 BI-Amplified Loudspeaker - Sounds EXCELLENT LL50226 Vtg Black $85 Apr 23, 2025

eBay

Proton 301 BI-Amplified Loudspeaker - Good Condition Sounds Fantastic $89 Feb 20, 2025

eBay

PROTON 301 Radio Grill Badge Custom Made Self Stick 35mm(1.37")X6mm(0.23") $3 Dec 30, 2024

eBay

Proton Model 301 Speaker Service Manual *Original* $19 Aug 5, 2024

eBay

Proton 300 AM/FM Stereo with Aux + 301 Amplified Stereo Speaker $149 Jul 29, 2024

eBay

PROTON 300 AM/FM STEREO RADIO WITH PROTON 301 BI-AMPLIFIED LOUDSPEAKER $299 Oct 22, 2022

eBay

Proton 301 service manual original repair book bi-amp powered speaker $49 Dec 16, 2021

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