kaoticfury Posted November 3, 2018 Share Posted November 3, 2018 Hi friends ,last week i bought a Marantz 8 on Ebay. it seems that this unit has been serviced at some points. But i just do not know what has been changed since i do not have any records. Could anyone let me know1) what kind of service has this unit been done?2) the seller claim that A1 tube bias can only adjusted half way otherwise, it will be getting very hot..how to fix this?3) any other services that need to be done? thank you for helping!! sorry for all silly questions. Quote Link to comment Share on other sites More sharing options...
NOSValves Posted November 3, 2018 Share Posted November 3, 2018 looks pretty scary to me... Here is what they look like before the creative rebuild 3 Quote Link to comment Share on other sites More sharing options...
Schu Posted November 3, 2018 Share Posted November 3, 2018 😳 Quote Link to comment Share on other sites More sharing options...
kaoticfury Posted November 4, 2018 Author Share Posted November 4, 2018 Anyone that could tell what kind of service this unit has done? Thanks Quote Link to comment Share on other sites More sharing options...
sheltie dave Posted November 4, 2018 Share Posted November 4, 2018 Yes, that unit has done a shitty service. I would send it to Craig and ask him to do the works. Quote Link to comment Share on other sites More sharing options...
Schu Posted November 4, 2018 Share Posted November 4, 2018 Craig... how are those old Tube based Marantz units? Quote Link to comment Share on other sites More sharing options...
NOSValves Posted November 4, 2018 Share Posted November 4, 2018 One of the best from the vintage era! Quote Link to comment Share on other sites More sharing options...
TubeHiFiNut Posted November 4, 2018 Share Posted November 4, 2018 On 11/2/2018 at 11:11 PM, kaoticfury said: Hi friends ,last week i bought a Marantz 8 on Ebay. it seems that this unit has been serviced at some points. But i just do not know what has been changed since i do not have any records. Could anyone let me know1) what kind of service has this unit been done?2) the seller claim that A1 tube bias can only adjusted half way otherwise, it will be getting very hot..how to fix this?3) any other services that need to be done? thank you for helping!! sorry for all silly questions. The Marantz 8B is one of the most wonderful vintage tube amps out there. PLEASE take/send your amp to a qualified technician to have it restored to working (safe) condition. Quote Link to comment Share on other sites More sharing options...
kaoticfury Posted November 5, 2018 Author Share Posted November 5, 2018 thanks. i just worry that this unit has not been professional serviced and may actually lose its value.. Quote Link to comment Share on other sites More sharing options...
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