The only thing I did was open the amplifier and clean the input board because the input channel selector wasn't working properly. I cleaned the outside a bit but it still needs to be cleaned both outside and inside.
eBay
AIYIMA 1 Pair GE 5654W Vacuum Tubes Valve Vacuum Electronic Tube Upgrade For 6J1 6m1 6AK5 6J1P EF95 Pairing Audio Amplifiers
Aliexpress UK
Cambridge Audio A5 60 watts per channel integrated amplifier (into 8Ω), featuring a wide 10Hz-60kHz frequency response, 92dB S/N ratio, 0.02% THD, and multiple line inputs for CD, tuner, tape decks. In good used working condition, some marks as oer photos. Collection only from SG18 9
eBay
Digital Audio Power Amplifier Professional 4 Channel 4x1650w Subwoofer Preamplifier DJ Line Array Speaker Stereo Sound Amplifier
Aliexpress UK
NAD C542 HDCD Compact Disc Player. NAD C542 CD Player. • NAD C542 CD Player. NAD C352 Stereo Integrated Amplifier. NAD C352 Amplifier. • NAD C352 Amplifier. • HDCD compatible. A superb quality NAD hi-fi stack in full working order.
eBay
Aux 3-4 Logic Level Function Amplifier Board for 21MTC Decoders/LaisDcc
Aliexpress UK
The Pioneer SA 9500 Vintage Amplifier is a fully working integrated amplifier unit in overall good condition. With audio inputs for phono/turntable, aux, and stereo L/R RCA, this amp offers 2 channels of powerful sound. I think it’s 80+80 watts per channel The sleek silver design, along with its 4 audio outputs and AB amplifier class, make it a sought-after piece for audiophiles looking to enhance their vintage audio setup. Perfect for those who appreciate the quality and craftsmanship of classic Pioneer audio equipment. Sounds amazing overall very tidy please look properly at the pics to assure the condition is what you want u k auction only pickup only due to condition size and weight can demo if required whilst your here please look at my other hifi for sale thanks Johnny
eBay
DD ddHiFi TC35Pro 2nd Gen Mountain2 (M2), Compact T-Shaped 3.5mm Stereo USB DAC Dongle, Dedicated Chips for DAC and Amplifier
Aliexpress UK
Musical Fidelity M6si integrated amplifier with powerful dual mono design, MM/MC phono stage, USB DAC and balanced XLR for superb sound quality.
eBay
Woopker AK390 BT 5.0 HiFi Power Amplifier 400Wx2 Stereo Digital AMP BASS Media Player Supports FM Radio AUX Microphone Input
Aliexpress UK
The JVC JA-S22 Integrated Amplifier is a high-quality audio component designed for home audio systems. As part of JVC's range of audio separates, this model offers a compact and powerful integrated amplifier solution for enhancing your sound experience. With its sleek design and reliable brand reputation, the JVC JA-S22 is a great choice for audiophiles looking to upgrade their home audio setup.
eBay
TOPPING A70 Pro Fully Balanced Headphone Amplifier 17000mW*2 Relay Volume Control Pre Amp wiht Remote Control
Aliexpress UK
Featuring inputs for Bluetooth, four digital and three analogue, it has your entire system covered. There’s even a built-in phono pre-amp for your turntable. Featuring a wide range of inputs, stylish good looks and famous Roksan sound quality, the Roksan Attessa Integrated Amplifier gives a boost to your whole system.
eBay
Nobsound A3 HiFi Bluetooth 5.0 Receiver Tube Amplifier USB Player Digital COAX / OPT Stereo Power Amp 35W×2 Headphone Amp
Aliexpress UK
This is a fantastic sounding amplifier. It handles everything I throw at with ease and superb accurate reproduction. I've owned very expensive kit and this amp is comparable to high end kit like Luxman and old skool Harman Kardon.
eBay
Nobsound Latest Mini 100W Subwoofer / Full Frequency Power Amplifier Mono Channel Audio TPA3116D2 Amp
Aliexpress UK