Nobsound 5654 Valve Tube Phono Stage Preamp Stereo Audio Preamp for TV/MP3/Phone Headphone Amp w/VU
Aliexpress UK
hafler valve pre amp in full working order and great conditionwas use for guitar and bass and vocals, postage or collection from reading or london
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Ultra-compact Phono Preamp Pre Amp Preamplifier with Level Volume Control 2xRCA Input 2xRCA Output
Aliexpress UK
It uses three 12AX7 tubes. I loved the versatility of this unit.
eBay
New Refere to Accuphase C-2860 Plus Fully Balanced Pre amplifier HiFi High Temperature Pre amplifier
Aliexpress UK
There is lots of information on how to diy them to produce a microphone preamp/guitar amp. This unit has not been touched and has been removed from the original tape machine as is! The work required is not my thing so I will leave that to a new owner.
eBay
Ultra-compact Phono Preamp Pre Amp Preamplifier with Level Volume Control 2xRCA Input 2xRCA Output
Aliexpress UK
Vintage vacuum tubes to provide double enjoyments: add magic eye 6E2 tubes to show the signal level dynamically, the color is pure with high brightness, also with switchable cold green and warm orange backlights, wonderful visual feast can be attained; default 6A2 tubes to improves everything associated with music, sounds warm and natural, full and mellow, amazing auditory carnival for your ears. T9 tube preamp with Phono and RCA inputs: Phono input, support both MM /MC cartridges with one button to switch, convert phono signal to line level signal, low-noise integrated circuits and high-quality components to ensure clear sound. Stereo L/R RCA input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifiers or active speakers and greatly improve t.
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LM4881 Headphone Amplifier Board for Power Amplifier Pre-amplifier Module Mini Audio Preamplifier
Aliexpress UK
Tube preamp & Audio Switcher & Headphone Amp: 4 groups of RCA inputs, 2 groups of RCA and 3.5mm headphone jack outputs, both as audio selector and splitter, no need to plug in and out cables repeatedly; compatible with many audio devices such as computers, phones, and CD players etc., greatly improve the sound quality for your sound system. Mysterious built-in tube design: pluggable Soviet Union 6H3N tubes filter all digital feelings, the sound is warm and mellow, clear and delicate, all details will be shown vividly to provide a live listening experience; classical NE5532 op-amp, can drive most headphones easily. Independent tone knob and input selector: with separate control of treble and bass, the specific proportion components in high and low frequency can be adjusted to present music.
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XiangSheng 728A Balanced ECC82 ECC81 Electron Tube PreAmp ,Wada Shigeho Cuircuit Pre-amplifier with
Aliexpress UK
There is lots of information on how to diy them to produce a microphone preamp/guitar amp. This unit has not been touched and has been removed from the original tape machine as is! The work required is not my thing so I will leave that to a new owner.
eBay
ShennDare PDA1001+PRE Audio Amplifier Module 1x1200W 4OHM Active Speaker Amplifier Module Subwoofer
Aliexpress UK
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TUNG-SOL EL84 6BQ5 Vacuum Tube Upgrade 6P14 N709 6N14N HIFI Audio Valve Electronic Tube Amplifier
Aliexpress UK
Ampapa A1, more than one simple preamp: MM input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. Stereo RCA input, amplifies the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifiers or active speakers and greatly improve the sound quality.
eBay