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headway EDB-2 - Channel 1 Input Specifications and Setup; International Shipping Note; Power On and Standby Operation; +HI IMP Ultra High Impedance Input

headway EDB-2
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12
International Shipping with Batteries:
The following are banned from all normal International transit, loose or
installed and may cause a return to sender: Lithium, Re-Chargeables
or Used/Spent.
2 EDB-2 FEATURES, POWER ON & STANDBY
QUIETER SWITCHING ON - Slide from Off slowly holding switch on
Standby for 2 seconds, then switch ON. LED will glow green.
3 CHANNEL 1
3.1 INPUTS & LEVEL CONTROL
3.1.1 +HI IMP Ultra High Impedance Input: < 20 Meg Ohms
This jack input is uniquely optimised for ultra high impedance passive,
NON-Powered Pickups directly into EDB-2
The primary types of pickups include Piezo cable or Co-axial cable
pickups (Headway HE4 Passive) or Flexible “Piezo Film” pickups as
offered by a number of manufacturers. Most are flexible structure
types but some film pickups are encased in rigid metal.
Suitable cable should have at least 80% screening, preferably braided
or conductive plastic shielding with extensive lapped screening.
Metal jack covers should always be used with the cable as short as is
possible, no more than 2m (6’) with standard quality cables (e.g. Klotz
or Van Damme) or 3m (9’) with special low capacitance cable such as
Sommer Cable.
3.1.2 HI IMP High Impedance Input: < 5 Meg Ohms
This input is optimised for the commonly available passive under
saddle Ceramic Piezo pickups or Contact/Bug pickups, also
Headway's “The Band” (for bowed instruments). This input also gives
a brighter sound for passive magnetic sound hole pickups.
Lead lengths for the HI IMP input setting are best kept as short as is
reasonably possible with good screening but no more than 6m (18')
but this application is usually less critical than with +HI IMP pickups.

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