Up for sale here is this "Plus Ultra" rebuild kit for the Marantz 240 or 250 amplifier. This is the right way to rebuild a Marantz 240/250. Yes, even if yours is working. All the transistors need to be matched, and all the original transistors need to be replaced.
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AK55/AK45/AK35 Bluetooth Digital Amplifiers 2 Channel HiFi Stereo Sound amplifier for Home Car Karaoke FM USB AMP Remote Control
Aliexpress UK
Up for sale here is this complete rebuild set for the Marantz 1090. This is all the parts you need to rebuild a Marantz 1090, and it includes upgraded main capacitors as well. The old parts are weak and failing.
eBay
QUESTYLE M12i USB Headphone Amplifier DAC AMP Portable Headphone Power Amplifier HIFI Sound Quality PCM DSD512 For IOS Andriod
Aliexpress UK
Designed to add Dolby Surround / Pro Logic processing to a stereo Hi-Fi system. • Marantz SP-50 Surround Processor. • Dolby Surround / Pro Logic processing. The unit powers on successfully (power indicator lights up), however no further audio testing has been carried out, therefore it is being sold as spares or repair.
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XH-A901 NE5532 Tone Board Preamp Pre-amp With Treble Bass Volume Adjustment Pre-amplifier Tone Controller For Amplifier Board
Aliexpress UK
A proper restoration must replace all electrolytic capacitors on all boards. A proper rebuild requires a full recap of all PCBs. Parts for compete recap of all the electrolytic capacitors. Complete recap of all PCBs.
eBay
FUHAM ML2800 Digital Power Amplifier 2x1100W 8Ω 2/4 Channel DJ Subwoofer Amplifier Speaker power Amplifier
Aliexpress UK
Up for sale nice vintage stereo amplituner MARANTZ MR-215L Coming in nice clean condition, some marks here and there but nothing to major. Please check all pictures for condition details. Unit is checked and serviced. All works nice and as should be. New bespoke made wooden cover finished in mat wax. Unit coming with power supply cable (UK plug).
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ST-838 HiFi 2.1 Channel Power Amplifier Bass and Treble Adjustment 80Wx2 Subwoofer Amplifier Audio Amplifier Mini Media Player
Aliexpress UK
A lovely marantz stereo power amplifier model 170DC in great condition. Fully serviced and LEDs added. VU METERS working perfectly. See photos for all details as part of description. Multi voltage 110/120/220/240 volts multi-Region Matching Marantz Pre-Amplifier also available model 3250. pecifications Power output: 86 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.03% Damping factor: 60 Input sensitivity: 1.5V Semiconductors: 53 x transistors, 49 x diodes, 4 x field effect transistors Dimensions: 416 x 146 x 302mm Weight: 14.1kg See my other items
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Car Power Amplifier 2-way C-236 Power Amplifier 3800W Car Power Amplifier Pushes Car Woofer
Aliexpress UK
Marantz 4070 Console Amplifier - Stereo 2 - Quadradial 4 amplifier. Used but still plays and sounds great in 2 channel stereo mode. I don't have any 4 channel sources and SQ Decoder module is not present. Cosmetically it's very clean unit - see pics.
eBay
HIFI Fever-grade Pre-amp Mecha Class Three-segment High-bass Adjustment Equalizer Equipped with 49720 High-end Op Amp Pre-amp
Aliexpress UK
A proper restoration must replace all electrolytic capacitors on all boards. A proper rebuild requires a full recap of all PCBs. Parts for compete recap of all the electrolytic capacitors. Complete audio path upgrade with high quality WIMA or IC (Illinois capacitor) film capacitors.
eBay
ZEROZONE HiFi 12AX7 Tube RIAA MM Phono Amplifier Board Base On EAR834 Amplifier Kit Amplifier PCB
Aliexpress UK