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headway EDB-2 - Phase Reverse and Technical Specifications; Low Battery Indicator Function; Phase Reverse Switch; Physical Specifications Overview

headway EDB-2
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24
Low battery Indicator LED will glow BLUE when battery voltage is
around 7.5v and battery is close to being exhausted. EDB-2 will fail
within a few hours of use or when battery voltage falls below 7v each.
10 PHASE REVERSE – 3 Way Slider Switch: "Phase" Setting denotes
IN Phase.
Switching to "Reverse" reverses the standard IN for either Ch.1 or
Ch.2. Try the OUT settings where there appears to be a mis-timing or
poor meshing together of two input signals from two sources blended
from an instrument.
Alternatively, try the OUT of Phase settings as a last resort to beat
feedback after more fundamental methods have been attempted. (See
Trouble Shooter Checklist 12.1)
11 SPECIFICATIONS
11.1 PHYSICAL SPECIFICATIONS (Approx.)
Dimensions: Length 138mm (5.5”), Width 93mm (3.7”), Depth of Metal
Box 38mm (1.5”). Depth including Knobs 43mm (1.7”).
Weight: 550g (1lb 4oz) Weight of package complete with power supply
in Packaging Box: 880g (1lb 15oz)
Mic Stand Bracket Connector: Female threaded bush on rear at 1.5cm
diam. (19/32” = 15mm) DO NOT OVER TIGHTEN!
11.2 ELECTRICAL SPECIFICATIONS (Approx.)
11.2.1 CH.1 INPUT
Input Impedance: +Hi = >20 MegOhms Hi = 5 MegOhms
Active/Low = 1 MegOhms
Gain Control to Jack: Continuously variable 0 - +32dB. Dual gang pot.
Jack IN: Offers Mono Signal path and optional Phantom Power to Ring
or Tip. (See switch on top panel). Standard 1/4” Diam. Jack Socket.

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