Richard and all.... I sure appreciate the tip on the Hammarlund HF-15 air cap. I ordered it's brother, the Hammarlund HAF 15B on ebay and they arrived ...
195
Jack Honeycutt
arrowcw29
Mar 10, 2011 10:16 pm
... I suspect you are right Jean. I have rebuilt some older radios and some motion picture amplifiers. I have always used NOS RCA tubes. I have been very...
196
Chad W
arrowcw29
Mar 10, 2011 10:21 pm
... Pala.... Where are you buying your nylon standoffs? Are you in the US or someploace else? I am in the US and looking for a source. thanks jack...
197
Gergo Palatinszky
palagergo
Mar 10, 2011 10:39 pm
Hi Jack, I've ordered from USA (however I'm located in EU/Hungary): http://www.sparkfun.com/products/10315 but there are other sources as well, search the...
198
Kendrick Sellen
kendricksellen
Mar 11, 2011 2:37 pm
Mark; Does anyone out there has a few old coil forms? The ones that is about 1-1/4 or so in dia., about 2 to 3 " tall, and has 4 to 6 pins to plug into a base?...
199
Mark Keppinger
thereminmaker
Mar 11, 2011 4:53 pm
Jean; You're likely to find coil forms with old ham radio VFO's or transmitters that were intended for the 160, 80, or even 40 meter bands. They will be a...
200
Jean Lucas
lucasjean92
Mar 11, 2011 5:20 pm
Mark, that was not me who answered about the coils. But it doesn't matter! Craig, Concerning litz wire, I know where to find some in France, but it wouldn't...
201
glenlivet@...
glenlivet...
Mar 12, 2011 5:06 pm
I just uploaded a new photo album to the Kepp Group on Yahoo documenting my progress so far on my Keppinger Tube Theremin project. I still have to machine the...
202
glenlivet@...
glenlivet...
Mar 13, 2011 12:15 am
I just uploaded a new photo album to the Kepp Group on Yahoo documenting my progress so far on my Keppinger Tube Theremin project. I still have to machine the...
203
Jack Honeycutt
arrowcw29
Mar 13, 2011 2:27 am
... Might it be this folder?: http://groups.yahoo.com/group/kepptheremins/photos/album/1377262697/pic/list jack...
204
Jean Lucas
lucasjean92
Mar 13, 2011 10:37 am
Hello, Congratulations for your work! I would have a question about your theremin project that can be seen on the photos that you uploaded. Infact, you built a...
205
Dan
glenlivet...
Mar 13, 2011 2:21 pm
Jack, The folder is named Dan's Theremin Project DLS...
206
Dan
glenlivet...
Mar 13, 2011 2:44 pm
Jean, I've responede to your questions in BLUE I would have a question about your theremin project that can be seen on the photos that you uploaded. Infact,...
Dan, Congratulations! The assembly is nicely done. Your cabinet is very impressive. How are you making the antenna? Are you using the same plan for the...
209
Chad W
arrowcw29
Mar 17, 2011 7:12 pm
... Perfect! Thank you Pala. jack...
210
Jack Honeycutt
arrowcw29
Mar 17, 2011 7:18 pm
Folks.... On a vacuum tube forum I hand out on, someone posted a really nice little guide on audio transformers. It is useful for someone like me, who is...
211
Jack Honeycutt
arrowcw29
Mar 17, 2011 7:25 pm
Folks.... I am a vacuum tube guy my self (but I don't try to be total snob about it regarding schematics). My friend is interested in a good solid state...
212
mkepp@...
thereminmaker
Mar 17, 2011 7:41 pm
Jack; The Moog Etherwave is the best. However, it's a complex design, and not something for the novice to attempt. Mark...
213
Chad W
arrowcw29
Mar 19, 2011 2:45 pm
... Thanks Mark! jack...
214
Gergo Palatinszky
palagergo
Mar 21, 2011 8:47 am
Hi Gents', Is there any idea what should be the power rating of this two resistor? I mean 1/2W or 1W or 2W or 5W? Those are in between GND and 6,3V heater...
215
Kendrick Sellen
kendricksellen
Mar 21, 2011 1:51 pm
to George; Usley a 2 watt will sucfice. Craig Sellen see my Theremin at www.deerloverssite.org To: kepptheremins@yahoogroups.com From:...
216
Mark Keppinger
thereminmaker
Mar 21, 2011 2:06 pm
Gergo; The purpose of the 100 ohm filament resistors is to provide a ground reference to keep any stray cathode off the filaments. So let's look at the...
217
Gergo Palatinszky
palagergo
Mar 21, 2011 2:42 pm
Hi, Thanx! Other question of mine is that: Is there any reason to match (to closer spec.) some resistors / capacitors / tubes in the circuit for better...
218
Mark Keppinger
thereminmaker
Mar 21, 2011 2:52 pm
Gergo; No; nothing is critical to the point where matched components are required. Mark ... From: Gergo Palatinszky To: kepptheremins@yahoogroups.com Sent:...
219
Philip
kmg5443
Mar 21, 2011 8:06 pm
Who did your cabinet? I'm very jealous!! Philip Neidlinger...
220
Dan
glenlivet...
Mar 22, 2011 2:06 am
Philip, It's all mine. I'm the proud owner of about 6 grand worth of Shopsmith so I put it to good work. I usually use it to build hovercrafts. The top piece...
221
Dan
glenlivet...
Mar 23, 2011 9:23 pm
Going through some older posts I found this one concerning litz wire. A while back I designed a DC/DC converter power supply for a client who specified the use...
222
Jean Lucas
lucasjean92
Mar 24, 2011 3:41 pm
Dan, that's me who actually began to talk about litz wire. Infact, I was telling me that it could be useful (or at least wouldn't hurt) for the section where...
223
mkepp@...
thereminmaker
Mar 24, 2011 4:00 pm
My advice is always the same; get it working with the information you have first, and then you will have a platform on which to make design changes and...
