REFLECTOR: ESB's and Headsets

[Ron Brown]

Greg, I have a pair of cheap Lightspeed 15's that are 5 years old - they are as good (maybe better - no buzz like my friend's Bose headset).

Everybody I talk to who has Lightspeeds love them!  And I understand they have captured the market in a very short period of time compared to how long Dave Clark and others have been around.

Ronnie
  ----- Original Message ----- 
  From: Greg Poole 
  To: Velocity Aircraft Owners and Builders list 
  Sent: Saturday, April 23, 2005 12:21 AM
  Subject: Re: REFLECTOR: ESB's and Headsets


  Don & Friends,

  Would you go with a Bose headset - given their high price - if you were in the market for headsets again?

  e.g.: I once compared OZ's leading Chardonnay wine (Petaluma then $27.99/bottle) with a new wine growing area's similar offering @ $7.99 per bottle. While the Petaluma was the better wine - it was not $20 per bottle better! ....know what I mean?

  So, to go ANR, I can use some Headset Inc's conversions into my Dave Clarks and Flightcoms at around AUD$500 for the pair (including new Gel seals etc), or spend around AUD$700 each for Lightspeed ANR's or shell out AUD$1,200 each for Bose units.

  It's a lot of money when you think about it - money I would much like to put into the airplane proper.

  Best regards,

  Greg in Sydney
  Velocity RG E
    ----- Original Message ----- 
    From: Don19dw at aol.com 
    To: reflector at awpi.com 
    Sent: Saturday, April 23, 2005 1:02 PM
    Subject: REFLECTOR: Eliminate Stupid Batteries (ESB) Unit. 


    A couple of years ago when I purchased my portable Bose Headset, I went thru 2 or 3         9 volt batteries quickly and decided an ESB Unit was needed. Talked to Bose about the problem but their only solution swaping for a hard wired unit which was not acceptable. 
    With some electrical tests found that a 7.5 volt supply could replace the 9 volt battery. 
    MY ESB UNIT
    From Radio Shack buy a Universal Low Power DC Adapter, #273-1811, $20 and a 
    9 VOLT Battery connector #270-324 $2.59. The  Adapter is automotive that plugs into a lighter and contained an in line fuse. I hard wired the plus and minus lighter end to my master bus behind the panel ( or you could add a lighter outlet and plug unit into it). Set the adapter switch to 7.5 volts. I ran the output wire under my keel cover to the Bose plugs (which are located in the keel near my hip). Continued output wire along Bose Headset Cables to battery box (using tie-wraps to fasten to cables) Cut off existing plug on end of output wire and hardwire the battery connector to out put wire so connector mimics a 9 volt battery.MAKE SURE POLARITYOF MIMIC CONNECTOR IS CORRECT PLUS AND MINUS. Remove existing 9 volt battery and cut a block of blue foam the same size as the battery. Now install the blue foam block and the mimic connector so blue foam pushes the connector terminals against the battery box conductors. MAKE SURE POLARITY IS CORRECT. Cut a small notch in battery box cover to allow connector wires to exit then reinstall battery box cover. Voila, you have a ESB Unit. So far my unit has worked perfectly for over 2 years and two of my RV friends installed the same unit in their  RV's.
    I think there could be a market for a simple ready to install electronic ESB Unit.??????
    Don White  N19DW   XL/RG



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