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Description
Martek Power DC Power Supply w/ Corcom Filter PS-AT-204 +/-5V +/-12V 115/230VACMartek Power PS AT 204 DC Power Supply. + 5V and + 12V Outputs. 115 230VAC Input, 50 60Hz. Please see photos for additional specs. These were removed from decommissioned equipment and were functional before removal. Condition: Used. I have a few available, photos are representative. Please email with any questions!
Martek Power PS-AT-204 DC Power Supply. +/-5V and +/-12V Outputs. 115/230VAC Input, 50/60Hz. Please see photos for additional specs. These were removed from decommissioned equipment and were functional before removal.
Condition: Used. I have a few available, photos are representative.
Please email with any questions!
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4.2 ★★★★★
Based on 1075 reviews
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Product Reviews
★★★★★ 5
Great read
Format: Paperback
A well written book that makes for a great conversation piece
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026
★★★★★ 5
You just got to have it in your collection.
Format: Hardcover
The smell of ink and paper from a brand new book is always worth it. This is the kind of book most would recommend taking to the park on a day off. It came fast and im happy with it.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Buy it!!!
Format: Paperback
Wonderful book. Great presentation you should absolutely buy and read this work!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 5
A timeless guide to spiritual perfection
Format: Kindle
A classic book on spiritual perfection and how to achieve it. The metaphors may be set in the past, but there is enough commonality with the present that this generation can still understand what this great Saint is communicating. He only makes one mistake: Spiritual perfection is not a possibility only for monks; lay people can achieve it as well. This is a book that all can profit from, whether one is just beginning to climb or is near the top.
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Reviewed in the United States on October 27, 2025
★★★★★ 5
An Eritrean Oriental Orthodox Tewahedo Nun's Comments
Format: Kindle
For 28 years I served (with a lowercase "s" ) alongside my Eastern Orthodox husband/Archpriest, who reposed in 2018. Now as a Tewahedo Hermitess, with access to the world rather than strict enclosure inside the monastery, little father John Climacus' book serves as a helpful reference guide to me to determine how Eastern (communion) coenobitic monks during post-Chalcedonian Schizm tried to refine and perfect the more ancient Syriac strivings of stages of spiritual perfection started first by the "Sons and Daughters of the Covenant" transformed into a "narrow path to salvation" inside tonsured communities. While we do not use little father John's book as a key "focal point" in our Oriental Churches, it is important to preserve this copy - true to its original content - like all watershed moments in Orthodox Church History, and investigate if there are living parallels of little Father John's system used by Oriental monasteries, written by their respective Hegumens, within the same relevant time period. I am guessing there are probably so, because what Christ truly teaches and inspires, He never usually leaves to one person alone. "Where 2 or 3 are gathered together in My Name, there Am I in the midst of them" is the Peace of the Apostolic covenant of Christ, among the Churches founded by His 12 Apostles - a Peace and a symmetry that still can be found despite the heartbreaking misinformation, bias, and (in some spots of the world) bitter kernels of monastically - engendered hatred towards reunification of Eastern and Oriental communities into one, whole, functional and understood Church. He who has ears, let him hear (and examine)!
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Reviewed in the United States on April 22, 2025
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