Hello, Thanks for viewing my auction, today I have what I was told is a very rare Boulder Amplifiers Phonograph Preamplifier MS 11 for sale. This piece was stored for a long time before it was removed. Boulder Amplifiers are world renowned for the quality and craftsmanship they have on products they produce. This piece was part of a large audio collection and I have never used this piece. As such this piece is being sold as-is so please ask any questions before bidding. This was from the estate of a former Ampex employee who had a large amount new old stock parts. This piece could be fully functional or require work. I do not have the time to test all the pieces that I inherited. This is a really fun piece and a must have for anyone who wants to try the next level in the phono system. Please review all the photos attached to this listing. This item could have dings, dents, scratches, scuffs, or anything else that could have happened over the years. This item will be shipped once payment has been made. I have a full time job and as such have to pack and ship on Fridays or Mondays. I will insure the item for the final amount and include a tracking number. Please note that this item is being sold “As-Is” with no warranties expressed or implied. There will be no returns accepted on this item. This item is for Parts or Repair at this time. If you have any questions please feel free to reach out. Thanks again for reviewing my auction!

Hello, Thanks for viewing my auction, today I have what I was told is a very rare Boulder Amplifiers Preamplifier MS21/MS32 for sale. This piece was stored for a long time before it was removed. Boulder Amplifiers are world renowned for the quality and craftsmanship they have on products they produce. I have attached an explanation of this preamplifier as it highlights this piece. This is from the internet and this is only used to educate anyone interested. All rights and credit is for that individual. “I own this preamp and have all of the printed materials on it. The modules are part of the Boulder modular series that predated the L3ae, L5ae, 2010, 1010 and 1012. There were a number of modules. There is the power supply module (MS01) that can power up to 4 of the other modules. There is the switch module (MS21) which has no active circuitry and simply directs inputs in the line module. There are two phono options (MS10 & MS11). The MS10 is the simplest and allows MM cartridges. The MS11 adds low cut filters and covers MM cartridges. Two MC cartridge upgrades were available for the MS10 & MS11. One is a Jensen MC step up transformer and another is a solid state gain stage that is similar to the front-end of the 2008 phono preamp. There are also two line options. One is the MS32 which has a high impedance (200K) buffered input and featured a Penny & Giles volume potentiometer. The other MS31 is a more standard single stage line section that has a 25K input impedance (this is from memory - I have the MS32). Both had an optional balanced output option. There is a balanced input line stage called the MS51 that allows balanced line level sources. there is also a microphone preamp module also featuring Jensen transformers, but I do not own it and don't remember the MS## model. There are outboard DC power cables that link the supply to each powered module. There are 1, 2 and 4 module wide cabinets to house the variety of modules.” https://forum.audiogon.com/discussions/questions-about-boulder-pre-amp-ms21-ms32-ms01 This piece was part of a large audio collection and I have never used this piece. As such this piece is being sold as-is so please ask any questions before bidding. This was from the estate of a former Ampex employee who had a large amount new old stock parts. This piece could be fully functional or require work. I do not have the time to test all the pieces that I inherited. This is a really fun piece and a must have for anyone who wants to try the next level in a system! Please review all the photos attached to this listing. This item could have dings, dents, scratches, scuffs, or anything else that could have happened over the years. This item will be shipped once payment has been made. I have a full time job and as such have to pack and ship on Fridays or Mondays. I will insure the item for the final amount and include a tracking number. Please note that this item is being sold “As-Is” with no warranties expressed or implied. There will be no returns accepted on this item. This item is for Parts or Repair at this time. If you have any questions please feel free to reach out. Thanks again for reviewing my auction!

Hello, Thanks for viewing my auction, today I have what I was told is a very rare Boulder Amplifiers Phonograph Preamplifier MS 11 for sale. This piece was stored for a long time before it was removed. Boulder Amplifiers are world renowned for the quality and craftsmanship they have on products they produce. This piece was part of a large audio collection and I have never used this piece. As such this piece is being sold as-is so please ask any questions before bidding. This was from the estate of a former Ampex employee who had a large amount new old stock parts. This piece could be fully functional or require work. I do not have the time to test all the pieces that I inherited. This is a really fun piece and a must have for anyone who wants to try the next level in the phono system. Please review all the photos attached to this listing. This item could have dings, dents, scratches, scuffs, or anything else that could have happened over the years. This item will be shipped once payment has been made. I have a full time job and as such have to pack and ship on Fridays or Mondays. I will insure the item for the final amount and include a tracking number. Please note that this item is being sold “As-Is” with no warranties expressed or implied. There will be no returns accepted on this item. This item is for Parts or Repair at this time. If you have any questions please feel free to reach out. Thanks again for reviewing my auction!

Hello, Thanks for viewing my auction, today I have what I was told is a very rare Boulder Amplifiers Preamplifier MS21/MS32 for sale. This piece was stored for a long time before it was removed. Boulder Amplifiers are world renowned for the quality and craftsmanship they have on products they produce. I have attached an explanation of this preamplifier as it highlights this piece. This is from the internet and this is only used to educate anyone interested. All rights and credit is for that individual. “I own this preamp and have all of the printed materials on it. The modules are part of the Boulder modular series that predated the L3ae, L5ae, 2010, 1010 and 1012. There were a number of modules. There is the power supply module (MS01) that can power up to 4 of the other modules. There is the switch module (MS21) which has no active circuitry and simply directs inputs in the line module. There are two phono options (MS10 & MS11). The MS10 is the simplest and allows MM cartridges. The MS11 adds low cut filters and covers MM cartridges. Two MC cartridge upgrades were available for the MS10 & MS11. One is a Jensen MC step up transformer and another is a solid state gain stage that is similar to the front-end of the 2008 phono preamp. There are also two line options. One is the MS32 which has a high impedance (200K) buffered input and featured a Penny & Giles volume potentiometer. The other MS31 is a more standard single stage line section that has a 25K input impedance (this is from memory - I have the MS32). Both had an optional balanced output option. There is a balanced input line stage called the MS51 that allows balanced line level sources. there is also a microphone preamp module also featuring Jensen transformers, but I do not own it and don't remember the MS## model. There are outboard DC power cables that link the supply to each powered module. There are 1, 2 and 4 module wide cabinets to house the variety of modules.” https://forum.audiogon.com/discussions/questions-about-boulder-pre-amp-ms21-ms32-ms01 This piece was part of a large audio collection and I have never used this piece. As such this piece is being sold as-is so please ask any questions before bidding. This was from the estate of a former Ampex employee who had a large amount new old stock parts. This piece could be fully functional or require work. I do not have the time to test all the pieces that I inherited. This is a really fun piece and a must have for anyone who wants to try the next level in a system! Please review all the photos attached to this listing. This item could have dings, dents, scratches, scuffs, or anything else that could have happened over the years. This item will be shipped once payment has been made. I have a full time job and as such have to pack and ship on Fridays or Mondays. I will insure the item for the final amount and include a tracking number. Please note that this item is being sold “As-Is” with no warranties expressed or implied. There will be no returns accepted on this item. This item is for Parts or Repair at this time. If you have any questions please feel free to reach out. Thanks again for reviewing my auction!

Unity Audio The Boulder mkII - active Studiomonitors / Hi-Fi Speaker- D´ Apollito Coax - Design- Corian - Frontplate- ELAC Coax Tweeter / Midrange - Driver - Bass - Driver by SEAS - Amplifier Design by Esoteric Audio Research (Tim de Paravicini) - Neuwert zum Kaufzeitpunkt über 9000 Euro. Ich verkaufe die Lautsprecher wegen eines Umzuges nach Amerika.Beruflich bin ich viel unterwegs und kann Sie gegen ein geringes Entgelt (Benzinkosten) auch persönlich bringen,im Raum Deutschland, Österreich, Schweiz, Ungarn, Italien, Niederlande, Belgien, Luxemburg, westliches Frankreich. Weil es eine Privatauktion ist, kann ich keinen Garantie oder Gewährleistung geben. Viel Glück!