eBay
160W Hifi Tube Amplifier High Power Fever Power Amplifier Pre-stage Audio Speaker Bluetooth USB Amplifier Home Theater 220V110V
Aliexpress UK
CURVE TRACER MATCHED! I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations for tubes. The lines show how the tube conducts throughout that range.
eBay
Professional Digital Power Amplifier 4x1800W Class D Audio DJ Pre-Subwoofer Amp 2/4 Channel Line Array Speaker Sound Amplifier
Aliexpress UK
6DJ8 ECC88. SMOKIE WHITE LABEL. CURVE TRACER MATCHED! The GE 6DJ8, known as “Smokies” due to its dark (smoked) glass envelope, is a twin‑triode miniature (9‑pin Noval) tube. Individual Smoked‑glass GE 6DJ8.
eBay
SMSL H400 Hi-Res Headphone Amplifier 16Ω/15W*2 32Ω/7.5W*2 Earphone AMP RCA XLR Balanced Input Hi-End Pre-Amp With Remote Control
Aliexpress UK
CURVE TRACER MATCHED! I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations for tubes. The lines show how the tube conducts throughout that range.
eBay
MM/MC moving coil moving magnetic phono amplifier singing low noise vinyl phonograph discrete components class A circuit
Aliexpress UK
Preamplifier MM MC Phono Player Board Phonograph Amplifier Preamp Home and Features: Name:NE5532 OP-AMP Board Board size:50*30*15 mm Installation size:43*23mm Working 12V-30V Magnification ：5 times Channel: Stereo Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes（without retail package）: 1 x Amplifier Board
eBay
Fosi Audio Bluetooth Phono Preamp for Turntable Phonograph Preamplifier With GE5654 Vacuum Tube Amplifier HiFi BOX X3
Aliexpress UK
Phonograph Preamplifier Preamp Power Amplifier Board. MM MC Phono Vinyl Record Player Turntable. Switching short-circuit cap setting instructions: one short-circuit cap for one channel. The magnification is high.
eBay
Fosi Audio Hifi Phono Preamp BOX X4 Turntable Phonograph Preamplifier With 5725W Vacuum Tube Amplifier
Aliexpress UK
6DJ8 ECC88. SMOKIE WHITE LABEL. CURVE TRACER MATCHED! The GE 6DJ8, known as “Smokies” due to its dark (smoked) glass envelope, is a twin‑triode miniature (9‑pin Noval) tube. Individual Smoked‑glass GE 6DJ8.
eBay
TOPPING A70 Pro Fully Balanced Headphone Amplifier 17000mW*2 Relay Volume Control Pre Amp wiht Remote Control
Aliexpress UK
CURVE TRACER MATCHED! I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations for tubes. The lines show how the tube conducts throughout that range.
eBay
Phono Preamp Pre Amp Preamplifier Audio Amplifier with Level Volume Control RCA Input Output 1/4" TRS Output for Turntable
Aliexpress UK