https://acousticresearchspeakers.net Fri, 05 Jun 2026 16:40:48 +0000 en-CA hourly 1 https://wordpress.org/?v=4.1.1 https://acousticresearchspeakers.net/2026/04/ar-acoustic-research-315ho-ar1-plate-amplifier/ https://acousticresearchspeakers.net/2026/04/ar-acoustic-research-315ho-ar1-plate-amplifier/#comments Wed, 22 Apr 2026 12:05:39 +0000 https://acousticresearchspeakers.net/2026/04/ar-acoustic-research-315ho-ar1-plate-amplifier/


Hi thanks for viewing my items for sale. This unit has been tested is in great working condition. Shows very light wear and tear. I have two of these subwoofer plate amplifiers available. Any questions feel free to contact me.

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Condition summary: one tested and working, other untested due to broken terminals, boxes not salvageable, crossovers/wiring included. Use case: restoration projects, parts harvesting, experimentation. Condition Disclosure: These amplifiers were pulled from AR P428PS speakers. One tested and working; others untested due to broken terminals. Boxes not salvageable, but crossovers and wiring included. Crossovers and wiring bagged separately, double-boxed for safe transit.

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For sale is an excellent working Acoustic Research P428PS amplifier in great condition however it has a broken “speaker level in” terminal but a replacement is included as seen in pics, also includes crossover in excellent condition, please see pics. You will receive everything you see in the pictures, if it is not pictured then it’s not included. All items have a hidden invisible security mark. Please view pictures and ask any questions you might have. Have a nice day!

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For sale is an excellent working Acoustic Research P428PS amplifier in excellent condition, also includes crossover in excellent condition, please see pics. You will receive everything you see in the pictures, if it is not pictured then it’s not included. All items have a hidden invisible security mark. Please view pictures and ask any questions you might have. Have a nice day!

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AR Acoustic Research A04 Integrated Amp. AR Acoustic Research A04 Integrated Stereo Amplifier. All inputs/outputs work as expected other than CD/AUX input as noted in’Condition. Bare wire and banana jack outputs. Fair – NOTE: CD/AUX input is faulty, no sound plays from one channel and plays very quietly, all other inputs work as expected and sound great playing out of this AMP with audio controls working as expected – All buttons and knobs work, some dust in grooves but in generally good condition – See photos. 430 x 88 x 356mm. Thank you for your interest in in this item. Please be aware: All Items pictured are included. If items are not pictured which you feel should be, please assume they are not included. As our items are donated we are unsure if any accessories are missing from when the item was new. Some items may be sent with Evri. This means we are not responsible for the prices quoted. How long do I have to pay for my order? We will review any offers made. As stated above, all of our listed items are stored once listed. Consequently, we are unable to offer viewings of our active items. If an item is damaged in transit and is not safe to return, we can accept a photo of the damaged item. We aim to ensure all our buyers are happy and will do our best to put right any given situation which is within our control. We are open Monday to Friday 9.30am – 4.30pm. This is a charity listing for. St Peter & St James Hospice. All profits raised will go directly to support our hospice in East Sussex and your support is much appreciated.

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Acoustic research sub510 175 watt subwoofer built in digital class d amplifier.

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This item has been serviced. It has been cleaned inside and out. All controls and switches have been cleaned. Soldering has been checked and redone if needed or common practice. Relay has been serviced (if applicable or necessary) and any lamps/indicators replaced if needed. This ensures the you will receive an item that works perfectly as intended and looks as good as possible. Comes without remote/accessories unless stated otherwise. Fully tested and in perfect working order. Cosmetic condition: Please inspect the photos. A few marks, very good condition overall. Dimensions: 430 x 340 x 93 WDH (mm). Please have a good look at the photos as they are of the actual item for sale unless otherwise stated and will give you a good idea of the item condition. They will also show you any included accessories such as remote control. If the item comes with any accessories or original box it will be included in the photos and item description, if it’s not then assume it isn’t included. Items will be packaged to a high standard to avoid damage in transit. If you receive your item and feel the item is not a described, please get in touch so that we can work together to resolve the issue. Please give us the chance to put it right before leaving feedback because sometimes issues can’t be avoided but we always strive to ensure the customer is happy.

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This is a used product. Please check the pictures. There are some scratches and stains on the used item. The condition is not bad. If you have any questions about the item. Please message me before purchasing! So please check your address before you pay. You cannot change your address after you place your order. Package: box, bubble wrap. We provide valid tracking numbers for all orders. If you have any questions or problems. Return information About us? Office to determine what these additional costs. We will respond to your questions or invoice.

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