9.
Bridged Indicator
. This illuminates when bridge mode is selected
(function switch SW 5 is pushed IN).
10.
Thermal Indicator
. This indicates the thermal status of the amplifier.
See page 19 for a full description.
Plug In Card / Modules
. The E1300 has the facility to accept a Martin
Audio processing module. When fitted it replaces the removable panel on
the front of the amplifier. It is connected to the main motherboard by a
flexible ribbon cable.
Front Panel
Function switches.
To access the E1300 function switches, remove the
plug in module / front panel. There are 5 push button switches mounted on
the main motherboard.
SW 1 selects the high pass cut off frequency. Standard frequencies 15Hz
and 30Hz. (30Hz when IN).
SW 2 is high pass filter in / out. (High Pass in when IN).
SW 3 selects the amplifier gain 36dB (0.775v input sensitivity) or 32dB
(1.23V input sensitivity). (32dB when IN).
SW 4 mono sums the inputs. (When IN).
SW 5 is the Output Bridge select.
When in bridge mode Channel A input
should be used with Channel A gain control
. (Bridged when IN).
When all switches are out, the amplifier is configured unbridged, stereo, the
gain is 36db (0.775v input sensitivity). The high pass filter is out and the
turnover frequency is 15Hz.
Martin Audio – E1300 Amplifier
E
NGLISH
6
All material © 2007. Martin Audio Ltd. Subject to change without notice.
