===== AMP BASS / hartke a35 =====

  * https://www.hartke.com/products/combos/a-series-combos/a35/# BasS AmP
    * https://www.hartke.com/support/product-manuals/
    * https://storage.googleapis.com/hartke-production/uploads/documents/A25-35_ownman_v1s.pdf
  * https://fr.audiofanzine.com/combo-basse/hartke/A-35/#
  * https://fr.audiofanzine.com/combo-basse/hartke/A-35/forums/t.225976,bruit-de-fond-ampli.html#
  * https://www.youtube.com/watch?v=tzHlnaH9bq0
  * https://www.talkbass.com/threads/weird-noise-when-powering-amp-on.1103051/
  * https://elektrotanya.com/hartke_a35_bass-_amp_sch.pdf/download.html
  * https://www.epanorama.net/documents/groundloop/


==== Problem ====

  * https://www.reddit.com/r/Bass/comments/j4xbwr/constant_hissing_sound_on_amp_but_only_on/
  * https://www.zikinf.com/forums/gros-buzz-sur-ampli-basse-hartke--5154893


==== community ====

  * https://www.youtube.com/watch?v=ojN19SlP_os&t=1s


==== Fix ====

  * https://www.ssguitar.com/index.php?topic=5343.0#
  * https://youtu.be/ZXJZCJrqJDc#
  * https://youtu.be/ZY7x0grUKLk#
  * https://www.youtube.com/watch?v=vlKAAqbyMyc# InductoR


==== WisH ====

  * VR101 100KA
  * C13 470U/16 CapacitoR : 
    * observed: 470uF 16v +105 dc
    * https://www.aliexpress.com/item/1005004832594691.htm# not 16V47UF 4x7mm

{{https://medias.audiofanzine.com/images/normal/hartke-a35-6104551.png}}

{{https://www.audioservicemanuals.com/h/hartke/hartke-a/hartke-a-35-bass-amp-schematic-1.jpg}}