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Radford STA-25 Power Amplifier Up for sale the Radford STA-25 it has been fully serviced and upgraded by Clark audio ( new cap & resistors, added fuse for safety and IEC socket , also better binding posts than rebiased) Overall the condition of this amp is beautiful cosmetic condition and rare to see in this age . come with 4 small tube not come with EL34 , but I have quad set of as Mullard XF1 , if the buyer want to buy local pick up will be the best lowest price Radford STA-25 you will find in good condition plus serviced Condition: Used Payment Method: Cash on pick up Region/State: (V
Good condition at A$2,900 makes this look ambitious against your own market anchor: recent comparables center on A$965, with the 25th percentile at A$955 and the 75th at A$974, so this asking price is far above the usual used band.
That said, this is a respected valve power amp and the appeal is the classic Radford sound: low-powered but musically articulate, with proper transformer-driven heft and strong collector interest. If it’s genuinely clean, original, and fully serviced, the upside is in ownership confidence and rarity rather than value-for-money; at this price I’d want documented refurbishment, original parts, and proof it’s ready to run, because with vintage tube gear those details matter more than cosmetics.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Radford Electronics, a storied British hi-fi brand from Bristol, traces its origins to 1946 when radio enthusiast Arthur Hedley Radford—amateur callsign G6YA—began crafting amplifiers in the postwar era. The company quickly gained traction with its debut hi-fi model in 1959, building on pre-war electronics expertise to produce gear that captured the imagination of early audiophiles. Though the original firm wound down, its legacy endures through Radford Revival, a UK craft outfit meticulously recreating classics with modern tweaks while honoring exacting original specs.
Radford's product focus centered on amplifiers, where they excelled in both valve (tube) and early transistor designs, including integrated models like the HD250. They pioneered transmission line speakers and dabbled in preamps, such as the rare SC22P with onboard power supply. Output transformers stood out as their hallmark, delivering unparalleled clarity and power. Turntables, DACs, headphones, and cables never featured prominently; their domain was pure amplification and speaker innovation.
Renowned for quality "second to none," Radford occupies a niche vintage-collector space, appealing to high-end enthusiasts chasing that golden-era British sound. Once a benchmark for Williamson-style amps, today's Revival editions cater to boutique buyers seeking authentic tone with reliability upgrades, cementing their status among obscure icons rather than mass-market players.
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