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This study investigates and compares eight existing coils, including one remote body coil array and seven local arrays, regarding their transmit and receive performance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Phantom measurements were conducted with all coils on the same 7 T scanner, using the same phantom and imaging protocol. Transmit performance was compared in terms of\n                      <jats:italic>B<\/jats:italic>\n                      <jats:sub>1<\/jats:sub>\n                      <jats:sup>+<\/jats:sup>\n                      efficiency and coverage. Receive performance was compared in terms of SNR, coverage, noise correlation, and g\u2010factors.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Mean\n                      <jats:italic>B<\/jats:italic>\n                      <jats:sub>1<\/jats:sub>\n                      <jats:sup>+<\/jats:sup>\n                      efficiency ranged from 2.02 to 4.33 \u03bcT\/\u221akW across configurations, lowest for the remote array and highest for an 8Tx8Rx local array. Central SNR ranged from 278 to 1072, increasing with receive element count and peaking for an 8Tx32Rx configuration. HF\u2010excitation\u2010coverage ranged from 34 to 384\u2009mm, and HF\u2010receive\u2010coverage from 135 to 384\u2009mm, with the remote array combined with a local 32Rx array achieving highest coverage. Acceleration performance improved with increasing receive element count in the corresponding direction. An 8Tx16Rx and an 8Tx32Rx arrays performed best in LR\u2010\/AP\u2010direction and the 32Rx array in HF\u2010direction.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      No existing local pTx coil provides universally optimal performance, as each design offers different advantages in either\n                      <jats:italic>B<\/jats:italic>\n                      <jats:sub>1<\/jats:sub>\n                      <jats:sup>+<\/jats:sup>\n                      efficiency, coverage, SNR, or acceleration. Among the local arrays, the 8Tx32Rx array (C5) might represent a reasonable compromise with respect to the parameters evaluated in this study, as it exhibits the highest central SNR, high coverage, and acceleration.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/mrm.70557","type":"journal-article","created":{"date-parts":[[2026,8,15]],"date-time":"2026-08-15T00:19:09Z","timestamp":1786753149000},"page":"2988-3001","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Evaluation of 7 Tesla\n                    <scp>pTx<\/scp>\n                    Body Coils Regarding Transmit and Receive Performance"],"prefix":"10.1002","volume":"96","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-1260-3613","authenticated-orcid":false,"given":"Johannes A.","family":"Grimm","sequence":"first","affiliation":[{"name":"Medical Physics in Radiology, German Cancer Research Center (DKFZ)  Heidelberg Germany"},{"name":"Faculty of Physics and Astronomy Heidelberg University  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oliver","family":"Kraff","sequence":"additional","affiliation":[{"name":"Erwin L. Hahn Institute for Magnetic Resonance Imaging University Duisburg\u2010Essen  Essen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3869-9681","authenticated-orcid":false,"given":"Markus W.","family":"May","sequence":"additional","affiliation":[{"name":"Erwin L. Hahn Institute for Magnetic Resonance Imaging University Duisburg\u2010Essen  Essen Germany"},{"name":"High\u2010Field and Hybrid MR Imaging University Hospital Essen  Essen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-1956-3757","authenticated-orcid":false,"given":"Max","family":"Lutz","sequence":"additional","affiliation":[{"name":"Physikalisch\u2010Technische Bundesanstalt (PTB)  Braunschweig Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephan","family":"Orzada","sequence":"additional","affiliation":[{"name":"Medical Physics in Radiology, German Cancer Research Center (DKFZ)  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1556-375X","authenticated-orcid":false,"given":"Thomas M.","family":"Fiedler","sequence":"additional","affiliation":[{"name":"Medical Physics in Radiology, German Cancer Research Center (DKFZ)  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1698-7260","authenticated-orcid":false,"given":"Steen","family":"Moeller","sequence":"additional","affiliation":[{"name":"Center for Magnetic Resonance Research University of Minnesota  Minneapolis Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simon","family":"Schmidt","sequence":"additional","affiliation":[{"name":"Medical Physics in Radiology, German Cancer Research Center (DKFZ)  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Harald H.","family":"Quick","sequence":"additional","affiliation":[{"name":"Erwin L. 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