300b amp

US Audio Mart

Sun Audio 300B Amp US Audio Mart $3,399 13% Nov 9, 2023

Emporium Hifi

Art audio argento 300b amp upgraded boxed Emporium Hifi £7,000 Nov 11, 2025

Marktplaats

Western Electric WE 91E / WE91E TRADE.INRUIL OK. 300B amp! Marktplaats €11,500 Jul 21, 2025

2dehands BE

Western Electric WE 91E / WE91E TRADE.INRUIL OK. 300B amp! 2dehands BE €11,500 Jul 21, 2025

Canuck Audio Mart

Full TAMURA 300B SE amp Canuck Audio Mart CA$3,300 Mar 16, 2026

diyAudio

New 300B Stereo Amp Power Transformer diyAudio - Jan 21, 2025

Emporium Hifi

Concert fidelity cf-i300b valve amp Emporium Hifi £4,800 Sep 26, 2025

Audio Abattoir

For Sale Border Patrol 300B SE Amp Audio Abattoir - Mar 4, 2026

Audio Abattoir

FS: Early Border Patrol 300B SE Amp - £600 Audio Abattoir - Mar 4, 2026

Emporium Hifi

Trafomatic experience two 300b set valve amp Emporium Hifi £1,650 Dec 4, 2024

Head-fi

Woo Audio WA5-LE Mk 2 | 300B tube amp | Fully Balanced | Standard | Silver Head-fi $2,650 Apr 1, 2026

US Audio Mart

Woo Audio WA5-LE Mk 2 | 300B tube amp | Fully Balanced | Standard | Silver US Audio Mart $2,700 5% Apr 1, 2026

Emporium Hifi

Opera consonance m100s 300b valve integrated amp Emporium Hifi £950 5% Sep 20, 2025

Audio Abattoir

Art Audio Diavolo 300b SET power amp, with Border Patrol PSU Audio Abattoir - Mar 4, 2026

Audio Abattoir

FS . Border Patrol stereo power amp 300b SET Audio Abattoir - Sep 11, 2024

Emporium Hifi

Viva audio little preciso 300b pp valve integrated amp Emporium Hifi £2,750 Feb 24, 2026

Emporium Hifi

Vac renaissance 70-70 300b ppp dual mono amp Emporium Hifi £5,000 Sep 6, 2025

US Audio Mart

Line Magnetic LM-219ia 300B 845 Integrated Amp (Free Shipping to East Coast) US Audio Mart $3,995 11% Dec 20, 2025

Emporium Hifi

Wavac -300b singled ended triode valve amp Emporium Hifi £5,000 Jul 3, 2025

Audio-markt

Decware the zen sarah amp sewe300b Audio-markt €9,999 Feb 10, 2026

The Music Room

Audion Silver Night 300B Special Edition Integrated Amp; No Remote Version The Music Room $4,999 Apr 4, 2026

US Audio Mart

New Audio Frontiers Supreme 300B SE Integrated Amp $22 K retail; $10,500 in 9/10 w/new 300B's US Audio Mart $10,500 13% Oct 29, 2025

Reverb

Rare Boyuurange A50 MKIII Integrated Tube Amp 300B Extras, Mint in Box, $1049 shipped! $999 Oct 13, 2023

Emporium Hifi

Ming da 300b integrated mc308 valve amp upgraded ex demo Emporium Hifi £1,400 Jan 14, 2026

Trademe NZ

Auckland Closes: Fri, 10 Apr MUZISHARE R100 300B Tube PreAmp AMP Amplifie Brand New Free shipping Buy Now $5,399 Trademe NZ NZ$5,399 Apr 4, 2026

Emporium Hifi

Art audio jota mk 2 sentry 300b xls valve integrated 20w amp Emporium Hifi £5,000 Nov 11, 2025