274B A274B Vacuum Tube Upgrade 274B-TII E274B E-274B HiFi Audio Amplifier kit DIY Matching Four-Way(2pcs)

★★★★★ 5.0 50 reviews

$673.47
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$673.47
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Product details

Management number 228301605 Release Date 2026/05/31 List Price $269.39 Model Number 228301605
Category

PreamplifiersFilament HeatingOutput power.................... 5 VIf ...............2ARestrict RatingAnode reverse voltage peak................1550VPeak anode current.........750mARecommended operating conditionsAnode power supply voltage 2×500VImpedance per arm 75Load impedance 2000Filter capacitor 4FRectification current 220mA

  • Preamplifiers
ASIN B0H15S1HDQ
Brand LWORJFAW
Color One Color
Manufacturer LWORJFAW
Model Number LWORJFAW
Mfr Part Number LWORJFAW

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