I would like to take some time to recommend Bill and Cherish44 as your ultimate and final choice for quality and professional audio repair and upgrade. Bill is such a nice guy to meet and work with, a man dedicated to his work and the resulting performance from equipment he has worked on is stunning.
Based on the work he did on my SX-950 he now has my Quad 405-2 amplifier, Quad 34 pre-amp, Marantz 2325 receiver and a Panasonic RF-4900 professional multi-band receiver. He will shortly also get my McIntosh MR-78.
Look no further, Bill and Cherish44 are the ultimate resource. IJH - MI, 12Jul17

Marantz Model 150 Tuner - I sent Bill my Marantz 150 for service. After reviewing the unit, Bill contacted me to discuss what he had found and to put together a plan for refurbishing the unit. Bill also took the time to explain to me the type of antenna that would work best with the unit.  After receiving the unit back and purchasing the suggested antenna the sound and stereo separation is nothing short of amazing. I have Sirrus XM satellite in the house and the stereo separation of the 150 is better than the satellite. Bill now has my Marantz 250 and will be getting my Marantz 3300 for service. What I think is unique about Bill is the communication, customer service, and time he will take to discuss and explain the plan he has for your unit. Bottom line...If you have a vintage stereo unit, or any unit for that matter, Bill is the ONLY one you want working on your gear.  E.G. - SC, July 2017


Sansui 5000X  Receiver - Bill Ersoy of Cherish44 repaired our Sansui 5000X receiver. While the repair of the Sansui was quite efficient, the process from start to finish was lengthy due to the demand for Cherish44’s work. This latter consideration speaks to the confidence to do quality work that Cherish44’s clients have in the business. In the end, the result is worth the wait.

Once underway, the work proceeded smoothly with good communication from Bill. General cleaning, various alignments and several parts replaced summarize the undertaking. Following were various tests of the unit to be certain that the Sansui was operating at its peak. Bill was meticulous in his approach and implementation, even considering the type of speakers and speaker wire to be used with the Sansui.

Bill’s concern is with the sound produced by the equipment, not just with repairing its components. In our case, the final result was a vintage receiver refurbished to optimum performance. ​  J.A. /  S.A. - MI, June 2017


Marantz 2120 Tuner - I just want everyone who follows feedback to know that your repair/renewal of my Marantz 2120 tuner has exceeded expectations and it sounds better than every other tuner I have....Carver & HK Citation...what great care and standards Bill has and applies to his work...  F. L. - DC, May 2017



McIntosh MR 71 Tube Tuner - Exemplary expertise and results in servicing McIntosh tube tuner MR71 ++++++++++G.L.T.- MI, May, 2017



Atma-Sphere M50 Tube Power Amplifier pair - Outstanding results in servicing high-end tube amp pair Atma-Sphere M50 ++++++++G.L.T.- MI, May, 2017



Marantz 2270 service as a birthday present - The birthday went very well, and the rejuvenated Marantz was a big hit, everyone oooh-ed and ahhh-ed.  My Dad is at an age where he needs little and wants almost nothing, but the receiver really hit the mark, thanks to your skills and effort. - M.M. - CA, April, 2017



Hi Bill,  the McIntosh MR78 you have serviced is a peach. It is like silk. The sound is superb. It is very quiet. It has full range along with very low distortion. I know many people think there are better tuners around. I would like to hear them! - Ontario, Canada, D.V., April, 2017



Fisher 800B Tube Receiver - Hi Bill, Yes! I've been listening to it throughout the week. It's spectacular. It is absolutely dead silent and plays music very sweetly. I am very pleased with the work you've done and I was happy to leave very positive feedback for you on eBay. Thank you for your detailed and skilled work on it. It is the prize of my collection. - R.F., MI, February, 2017



Hi Bill, I bought a SX-950 here on eBay. Wanted to have it sent to you from person I bought it from. I want you to replace parts as needed. Thanks G.C.      Ps. My Sansui 7070 you refurbished in 2011 is still going strong... - G.C., TX, August, 2016


… in every instance of each audio project submitted to Cherish44, Mr. Ersoy has exceeded our expectations, and in a manner fair to all principles involved. From our requests for conformance to purchased component specifications reporting to improved redesign of existing audio component circuitry Mr. Ersoy has become a valued partner in our ability to better serve our customers... - OH, A.J.B.



... I am an audiophile and a collector of classic vintage audio equipment. My extensive collection includes stereo receivers, power amplifiers, preamplifiers, turntables, cassette decks, tuners, and loudspeakers. I select the units I acquire very carefully, evaluate my units thoroughly, and proceed with service activities on these units with the best possible service alternative available near or far, that is known to me. Cherish44 is the service provider for my entire Marantz collection. Here is why.

Cherish44 under the management of Bill Ersoy has the ability not only to service my units, but also the exceptional skill to improve them if and as needed in such a way so that

- The original sound color of my units which I enjoy so much is retained
  - Design and/or assembly related weaknesses of my units are eliminated
  - My units are taken performance-wise well beyond factory specifications

Through my observations and conversations with Bill Ersoy I understand that strict and continuous supplier management, research and development management, operations management, and last but not least quality management are key elements in Cherish44’s most successful approach to my classic audio units. In my opinion it is this organized and combined managerial approach which enables Cherish44 to produce consistently highest possible results in this field.

In my opinion advanced technical knowledge and excellence in management are not the only requirements for successful customer service. A most important ingredient is honesty combined with truthful consultation. Over time I made the experience again and again that the information I was provided with by Cherish44 on my units was nothing but the truth itself... -  Ontario, Canada, D.V.



...I am a customer of Cherish44, I like music, and I am the owner of a pair of well-known Klipsch P39F loudspeakers. I am a collector of high end vintage audio equipment and I got interested in the Sansui AU X1 amplifier. It’s a hard to find amplifier and one of Sansui’s best. Finally I was fortunate to acquire one.

After a while, my AU X1 stopped working. I took it to a local repair service provider and asked for help. The unit was inspected and I was informed that they were not willing to service it due to the complexity of the unit, amount of damage, and lack of test equipment. Having received this let down, I started a search on the internet for another service provider.

I found out that the unit was one of the most difficult amplifiers to service. Finally I was able to locate a service provider in Long Island, NY which gave me hope, as they were known for their competency in servicing vintage units manufactured by Sansui. With that, I shipped my unit to Long Island, NY. Around 3 months later upon my follow up, I learned that no progress was made in servicing my unit. They asked for additional time, which I gave. Three more months passed and not having heard back, I contacted them once again. This time I was informed that the damage in my unit was beyond repair. They suggested taking apart the unit and selling it for parts on the aftermarket. I was not willing to accept this and asked them to wait until further notice.

Once again I started to search for another service provider. This is when I found Cherish44. I contacted them and talked to their manager Bill Ersoy. He was welcoming and invited me to send in my AU X1 for an initial inspection. A week later, my amplifier arrived at their facility. A short while later they informed me of what the problems with the unit were. They also informed me that a restoration of the unit was possible. I gave them the green light and my Sansui AU X1 was added to their wait list. In about 4 months, they started the restoration. The restoration took 3 months and my unit was shipped back to me in May 2013, complete with a service and performance report, and all disassembled and replaced parts.

I was impressed to find out that my unit was now not only fully compliant with the manufacturer’s original specs but was capable of delivering a wonderful soundcolor as well. Since then, I have been using the amplifier… As far as I know, Cherish44 is one of the few service providers for the Sansui AU X1 in the world. Their customer communication is also top-notch. Bill Ersoy took the time to explain in detail what was being done with my unit while the restoration was proceeding. Cherish44 means great service and management... -  S.R., Ontario, Canada


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