As others have said, it's a protective 'fuse' for the receiver in the
TR-3/4 series transceivers.
It's a worthwhile addition because again, the TR-3/4 series is an
EXCELLENT 'SSB Transceiver for _Mobile_ operation'. It's marginal for
other uses, but for it's design goal, terrific!
Mobile
List - The same lamp was used by Drake in an option for the TR-7 and
R7s. Called RP-7. Was sold as a receiver protector in a small box
that was inserted in the coax before the receiver input.
If someone needs one of the lamps I have a couple.
Also have a small number of the hard to find
Bob -
I've never seen one of those. I thought they had the gas discharge/ gas
plasma transient suppressor (90L) used in the later TR-7s.??
It was to protect the SS front end of the TR-7 / R-7 against static
discharge and/or nearby lightning strikes. The tube fires at 90V.
73, Garey -
Just to clarify, early TR-3's don't have the lamp.
Kihwal, K9SUL
- Original Message
From: Garey Barrell k4...@mindspring.com
To: Bob W7AVK ro...@accima.com
Cc: drakelist@zerobeat.net
Sent: Sun, October 16, 2011 11:08:01 AM
Subject: Re: [Drakelist] Receiver protection lamp
Bob -
I've
List - My memory misfired. The TR-7 Receiver Protector was the RP-700
not the RP-7. http://www.dproducts.be/drake_Museum/nouvelle6.htm
Over the years of Drake ham production. Some kind of Receiver
Protection was model dependent.
73 Bob W7AVK
On 10/16/2011 9:25 AM, Kihwal Lee
What is this???:
http://www.ebay.com/itm/RL-Drake-Receiver-Protection-Lamp-4-Line-Receivers-/360399257957?pt=LH_DefaultDomain_0hash=item53e9784165
___
Drakelist mailing list
Drakelist@zerobeat.net
@zerobeat.net
Sent: Saturday, October 15, 2011 8:54 PM
Subject: [Drakelist] Receiver protection lamp
What is this???:
http://www.ebay.com/itm/RL-Drake-Receiver-Protection-Lamp-4-Line-Receivers-/360399257957?pt=LH_DefaultDomain_0hash=item53e9784165
- Original Message -
From: Robert Ladden rmlad...@yahoo.com
To: Drakelist@zerobeat.net
Sent: Saturday, October 15, 2011 6:07 PM
Subject: Re: [Drakelist] Receiver protection lamp
The TR-3/4 had a fuse lamp between the receiver and
antenna to protect the receiver. Since these were
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