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eBay
FEIYUE AMP PSVANE Hifi KT88 KT88 PT Vacuum Tube Replace 6550 KT88 for Hifi Audio Vintage Tube AMP DIY Factory Matched Pair Quad
Aliexpress UK
It was commonly supplied in compact amplifiers, and has also found favor in small guitar and hi-fi amplifier builds. Lead colors can vary depending on production run. Compact hi-fi amplifiers where a 5k primary is appropriate.
eBay
Nobsound HiFi 7-band EQ Equalizer Vacuum Tube Balanced XLR Stereo RCA Pre-amplifier with Tone Control for Desk Speaker
Aliexpress UK
🔧 Power: 20W. 🏭 Manufacturer: Hirata Electric Engineering Works, Japan. 🔩 Core: Orient Core. 🧾 Product Details. 📸 Condition Notes.
eBay
Douk Audio HiFi Hybird Stereo Valve Tube Amplifier Bluetooth 5.0 Audio Receiver COAX / OPT Power Amp USB Player
Aliexpress UK
DC Resistance (DCR) - Primary: 1.065kOhm. DC Resistance (DCR) - Secondary: 1.02Ohm. Height - Seated (Max): 1.773 (45.03mm). Mounting Type: Chassis Mount. Power Level: 3.5W.
eBay
Douk Audio HiFi Bluetooth 5.0 Valve Tube Preamp Stereo Receiver USB Player Home Desktop Pre-amplifier w/Treble Bass Control
Aliexpress UK
DC Resistance (DCR) - Primary: 428Ohm. DC Resistance (DCR) - Secondary: 470mOhm. Height - Seated (Max): 2.371 (60.22mm). Mounting Type: Chassis Mount. Power Level: 20W.
eBay
Nobsound TUBE-T5C 4-Way Audio Selector Splitter Mini Stereo Tube Preamp Headphone Amplifier with VU Meter
Aliexpress UK
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Audiophile High-power Tube Power Amplifier Wireless Bluetooth HIFI Mini Tube Power Amplifier Amp Optical Fiber Coaxial Interface
Aliexpress UK
(3) 12ax7 preamp tubes, (1) 12au7 preamp, (1) 5Y3 rectifier tube, (1) 6E5 Magic eye tube.
eBay
A40 Pure Tube EL34 Tube Push-pull HIFI Power Amplifier Vocal Weapon Power 40W*2 Powerful Thrust Tube Amplifier
Aliexpress UK
(4) 6EU7 preamp tubes, and (1) 6C4 preamp. 6.3 volts 4A SECONDARY.
eBay
Douk Audio 5654 Valve Tube Phono Stage Preamp Stereo Audio Preamp for TV/MP3/Phone Headphone Amp w/VU Meter
Aliexpress UK