From 117c688f8ea02a7cc7ffd76765a4d19b106060db Mon Sep 17 00:00:00 2001 From: euquiq <31453004+euquiq@users.noreply.github.com> Date: Mon, 22 Jun 2020 15:49:50 -0300 Subject: [PATCH] Updated Differences Between H1 and H2 models (markdown) --- Differences-Between-H1-and-H2-models.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Differences-Between-H1-and-H2-models.md b/Differences-Between-H1-and-H2-models.md index ef53642..b816ea1 100644 --- a/Differences-Between-H1-and-H2-models.md +++ b/Differences-Between-H1-and-H2-models.md @@ -34,6 +34,8 @@ The **AK4951 IC** has been rotated by 180ยบ and placed more into the middle of t The speaker audio header is switched on/off by the headphone female connector, which includes the usual mechanical switch, detecting the insertion of a male plug in it. +This is a non trivial difference, compared against H1 design where the speaker out pads are routed to the actual speaker out pins on the AK4951. On H2, the audio comes from the Headphones output pins of that IC. + ### Known issues Since the firmware is shared between H1 and H2, on PortaPack H2 you end up powering TWO speaker amplifiers: The one inside AK4951 IC, and the extra CS8122S one.