AudioControlModel 520 Equalizer You are bidding on a superb AudioControl model 520 equalizer with a switchable subsonic filter to protect your system. This is a top quality EQ with rotary style controls and an EQ curve that is very pleasing to the ear. A sub-sonic filter with a very steep roll-off helps protect your equipment from low frequency damage without hindering low frequency performance. This EQ has been carefully tested and is in excellent working order. Output is clear and clean in both channels. The controls and switches have been cleaned and lubed for years of smooth and silent operation. The genuine wood veneer ends have a new coat of oil and look great. Bid with confidence on this EQ. You will be pleased! Features For This Unit: Excellent Cosmetic Condition - Check the Pics! Excellent Working Condition- Scroll down to see how we test items. 5 Bands Per Channel Low Frequency Sub Sonic Filter Flat Switch - Makes It Easy to Compare EQ Effects Check out our other vintage audio auctions!Browse our selection of vintage audio parts!Be sure to add us to your favorites list!

AudioControl model 520 Series B Equalizer / Speaker Control System / Subsonic Filter Selling AS-IS. Unit is UNTESTED. When plugged in we can hear that it powers on. No further testing has been conducted. Shows areas of cosmetic wear/scratches. Please see pictures for cosmetic condition and detail of everything included. Please feel free to contact us if you have any questions. Thank you so much for shopping with RoadTreasureTrading.

This listing is for a vintage audio control model d-520 equalizer/speaker control system with subsonic filter in good condition. One of the plastic knobs on the 15.5 Z band is cracked. Its still functions fine, and the slider/potentiometer is unaffected. You just kind of have to support the knob itself when youre sliding it up and down. Please see the last pic . Also, one of the rubber feet on the bottom is missing, and there is a felt pad in place to compensate. would approximate its age as being from the 1970s - 1980s. Works great for home and pro audio systems. The front controls are tape monitor, subsonic filter, equalize program, left and right slider controls for 36, 60, 120, 1khz, and 15.5 khz. On back, there are RCA type inputs/ outputs two are for tape, and two are for main with individual lefts and rights. Eight total. This is a very cool vintage unit, that is still made of aluminum and real wood! There is a non-negotiable fixed shipping rate of $25.00 USA shipping and handling within the 48 states on this item. Item has been described to the best of my ability, and is therefore offered as is, with all sales being final. No refunds, either in full, or partial will be offered upon completion of sale. This protects the buyer from receiving items that have been tampered with and/or altered. Questions are encouraged before actual purchase. Please do not assume combined shipping without prior inquiry. I do my best to get items shipped the day after payment. Insurance will be a required option in most cases. Item may also require signature confirmation.International shipments paid may be subject to a higher shipping rate, as insurance will be mandatory, and insurance is not offered on all classes of mail. As per eBay rules, the following is being included to avoid any misunderstandings: International Buyers - Please Note: •Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyers responsibility. •Please check with your countrys customs office to determine what these additional costs will be prior to bidding/buying. •These charges are normally collected by the delivering freight (shipping) company or when you pick the item up – do not confuse them for additional shipping charges. •We do not mark merchandise values below value or mark items as gifts - US and International government regulations prohibit such behavior.PLEASE MAKE SURE YOU ARE IN FULL AGREEMENT WITH ALL TERMS PRIOR TO PURCHASE! Thanks for looking, and good luck if you decide to bid.

This Audio Control Model D-520 Subsonic Filter Equalizer has been tested and is in good working order. Its sleek design and brand reputation make it a popular choice for audio enthusiasts. The equalizer is specifically designed to enhance the quality of sound and improve the overall listening experience. Its various settings and controls allow users to customize their sound to their liking. The device is compatible with a range of audio systems and can easily be integrated into any home audio setup.

This Audio Control Model D-520 Subsonic Filter Equalizer has been tested and is in good working order. Its sleek design and brand reputation make it a popular choice for audio enthusiasts. The equalizer is specifically designed to enhance the quality of sound and improve the overall listening experience. Its various settings and controls allow users to customize their sound to their liking. The device is compatible with a range of audio systems and can easily be integrated into any home audio setup.

This Audio Control Model D-520 Subsonic Filter Equalizer has been tested and is in good working order. Its sleek design and brand reputation make it a popular choice for audio enthusiasts. The equalizer is specifically designed to enhance the quality of sound and improve the overall listening experience. Its various settings and controls allow users to customize their sound to their liking. The device is compatible with a range of audio systems and can easily be integrated into any home audio setup.

This Audio Control Model D-520 Subsonic Filter Equalizer has been tested and is in good working order. Its sleek design and brand reputation make it a popular choice for audio enthusiasts. The equalizer is specifically designed to enhance the quality of sound and improve the overall listening experience. Its various settings and controls allow users to customize their sound to their liking. The device is compatible with a range of audio systems and can easily be integrated into any home audio setup.

Condition: Pre-Owned Good See photos. This will be shipped quickly and carefully.

This Audio Control Model D-520 Subsonic Filter Equalizer has been tested and is in good working order. Its sleek design and brand reputation make it a popular choice for audio enthusiasts. The equalizer is specifically designed to enhance the quality of sound and improve the overall listening experience. Its various settings and controls allow users to customize their sound to their liking. The device is compatible with a range of audio systems and can easily be integrated into any home audio setup.

Condition: Pre-Owned Good See photos. This will be shipped quickly and carefully.

This Audio Control Model D-520 Subsonic Filter Equalizer has been tested and is in good working order. Its sleek design and brand reputation make it a popular choice for audio enthusiasts. The equalizer is specifically designed to enhance the quality of sound and improve the overall listening experience. Its various settings and controls allow users to customize their sound to their liking. The device is compatible with a range of audio systems and can easily be integrated into any home audio setup.

This Audio Control Model D-520 Subsonic Filter Equalizer has been tested and is in good working order. Its sleek design and brand reputation make it a popular choice for audio enthusiasts. The equalizer is specifically designed to enhance the quality of sound and improve the overall listening experience. Its various settings and controls allow users to customize their sound to their liking. The device is compatible with a range of audio systems and can easily be integrated into any home audio setup.

This AudioControl Equalizer model 520 is a perfect addition to any vintage stereo system. Designed by Audio Control, a brand known for producing high-quality audio equipment, this equalizer will enhance your listening experience. With its precise controls, you can adjust the sound to your liking, creating a customized audio output for your favorite music. The AudioControl Equalizer 520 is specifically designed for use with receivers and amplifiers, making it a great addition to any home audio system. Its perfect for audiophiles who want to enhance their listening experience. Fully tested and works fantastic. There is some minor wear, such as scuffs and scratches. Please see photos for details. I have 2 shipping options available. Please check both. Any questions please reach out. Thanks.

Audio Control Equalizer model 520, by Audio Control VINTAGE STEREO AUDIOPHILE EQ. In good working condition. Great addition. Ships secure and prompt. Thank you.

Audio Control Equalizer model 520, by Audio Control. Tested and sounds great! These units REALLY clean your sound up! I have 2 available, so if you are running quadrophonic both units would be ideal! (I could even give ya a deal on both units and combined shipping!) Please look at the pics and request more if necessary. Packaged & handled with excellence and care! 3-day handling! Due to my on-call schedule I list all of my auctions with this to be fair on all levels.

Audio Control Equalizer model 520, by Audio Control. Tested and sounds great! These units REALLY clean your sound up! I have 2 available, so if you are running quadrophonic both units would be ideal! (I could even give ya a deal on both units and combined shipping!) Please look at the pics and request more if necessary. Packaged & handled with excellence and care! 3-day handling! Due to my on-call schedule I list all of my auctions with this to be fair on all levels.

Vintage Audio Control Equalizer Model 520 Series B

You are bidding on an Audio Control Equalizer Model 520, By Audio Control. It is in very good physical condition out of a smoke free home. I don’t have any way to test it, even power test because it doesn’t have anything to light up. I have several pieces from the same estate and that work just fine so no reason this one shouldn’t either. Item sold as is like all auctions so email with any questions. Thanks for looking.