Keyboard Shortcuts
ctrl + shift + ? :
Show all keyboard shortcuts
ctrl + g :
Navigate to a group
ctrl + shift + f :
Find
ctrl + / :
Quick actions
esc to dismiss
Likes
- SAE
- Messages
Search
|
Re: sae x 10a amp
James Bongiorno
Dear Tony,
toggle quoted message
Show quoted text
I'm not familiar with this unit but you might contact GALE at ATI (323 278-0001) as she may be able to supply a manual. James Bongiorno tonys34@... wrote: hello, can anyone tell me if the "high level" and normal inputs on |
|
Re: new to the group ,with a question?
James Bongiorno
Dear Dave,
toggle quoted message
Show quoted text
As the original designer for both SAE and GAS products, I know how hard it is to find some of these items. Unfortunately, most people seem to be continuously happy with their gear and just can't part with it. Once in a while you see something on EBAY but not very often. You have to check the auction site EVERY day. Right now there is a Son of Ampzilla/Thoebe combo for an unbelieveable $100.00. I am thinking of bidding on them myself. The T102 is the smaller less expensive brother to the T101(which is a very decent tuner). Also, if you want items that are another notch higher in quality and performance, check for Sumo gear. That is, Items that I designed when I owned the company. James Bongiorno ampzilla747@... wrote: Hi,where is a good place to find sae and gas equipment.Ive been looking for a |
|
sae x 10a amp
hello, can anyone tell me if the "high level" and normal inputs on
this amp refer to a sort of electronic crossover or for direct connection to source devices with differing output ( fixed ) levels or what ! also, does anyone have a copy of the manual for this amp they wish to sell ? Thanks, Tony. |
|
new to the group ,with a question?
Hi,where is a good place to find sae and gas equipment.Ive been looking for a
while and havent come across much other than an sae tuner for a $100,however im primarily looking for amps!If any of you are interested in the sae tuner i refered to,its a t102 i think?and its at stereodesign.com wich i s located in san diego thanks...dave |
|
Re: Headphones / Thaedra
James Bongiorno
Dear Paul,
toggle quoted message
Show quoted text
Actually, the manual is wrong regarding the headphones impedance. The Thaedra will drive 8 ohm phones if needed. There is almost 1/2 amp of current available. Your Sennheiser phones are terrifically indfficient and probably old, worn out and very tired. There were actually no electrical differences between the two SAE tuners as far as I know. James Paul Anthony Bigelow wrote: Hello, |
|
SAE Mk VI / SAE Mk VIB
Paul Anthony Bigelow
Hello,
There is an SAE Mk VI and an SAE Mk VIB and there is a difference. Both look virtually identical and have nixie tube readout and scope display but the VIB has front panel push buttons (ON/OFF, muting, etc.) like other SAE equipment of that period, whereas the VI has paddle Switchcraft switches. Mine has the paddle switches. Very interesting. In this case the Mk VIB would not match, exactly, the Mk I preamp which uses the paddle switches. Group, are there any other differences? Were the paddle switches subject to breakage or was the reason for the change more cosmetic -- "cleaner" looks or to match forthcoming SAE products? Best regards, Paul Bigelow |
|
Re: Headphones / Thaedra
I remember that there are 2 distinct groups of headphones back
toggle quoted message
Show quoted text
in the day, Low impedance and Hi impedance. The old Dynaco Pat(whatever) preamps needed hi impedance phones, or you would get the low volume and no bass symptoms that you describe. You can buy adhesive backed foam rubber and make a new set of pads. It's a lot cheaper and easier than finding another good set of headphones. -=Jeff=- On Sun, 7 May 2000, Paul Anthony Bigelow wrote:
Hello, |
|
Headphones / Thaedra
Paul Anthony Bigelow
Hello,
Does anybody in this group use headphones for regular listening? Currently I use Grado SR-80 'phones that are several years old and the foam earpieces are starting to deteriorate. Does anyone have opinions on any current models: Sennheiser, Grado? The Grado SR-80s work VERY well with the Thaedra. They have good bass and plenty of volume. I also have a pair of old Sennheiser HD520. These do not seem to work so well with the Thaedra -- low volume and bass-shy. A big difference between the two phones is the impedence -- the Grados measure 32 ohms while the Sennheiser measure about 622 ohms. James, The Thaedra's manual indicate to use phones at 100 ohms or greater. Is there any risk to the Thaedra using 32 ohm phones (or even lower impedences)? Best regards, Paul Bigelow |
|
Re: CD Player
Paul Anthony Bigelow
Dear James,
I can take it, try to give me heart attack! What does it cost to make a cartridge? In the late 70's and early 80's a decent MM Shure cost between $40 - $150 retail (M95ED - V15 IV, respectively) so manufacturing cost had to be no more than a quarter of that -- probably just a few dollars in the worst case. No doubt the outlandish prices are due to other factors (silly things, such as bragging rights perhaps?). In my narrow view, the BASIC technology is still the same only the materials have become more exotic and the production runs, increasingly less. $4000 for a cartridge strikes me a being insane. Further comments? Do you get a lot of offers from people wanting to buy your equipment? I hope you turn 'em down and I don't blame you, my stuff isn't for sale either! Nothing is more irritating than people hounding you to sell something of yours that you like. In most cases, a lot of restorative work has gone into my acquistions (I restore antique radios and communications receivers) -- in some cases, upwards of a hundred of hours. Nobody wants to pay me for that kind of work -- and it isn't for sale anyway. I feel very fortunate to have stumbled upon the Thaedra and it isn't going anywhere! I say: if you want something bad enough, keep yours eyes open, search ebay, or go to estate/garage sales. It might take some work (and $$$) but the equipment is out there. Although I may never find one, I would sure like to see a picture of the red, white, and blue Ampzilla. Please include a picture on your Ampzilla2000 web site! Best regards, Paul Bigelow --- In SAE_Talk@..., James Bongiorno <sstinc@e...> wrote: Dear Paul,my Sony. It is actually a CDP707ESD. My turntable is a Micro-Seiki 1000 withthree arms. One is a Black Widow, and two are SME's. I have between 30and 40 cartridges but lo and behold, the best one is still the one Idesigned, my Sumo II moving coil. And no I don't have any to sell. I only havethree left and they are for ME.everything else in the cartridge world, astronomical pricing abounds. If Itold the world what it really costs to make a cartridge, everyone would havea heart attack. Unfortunately, the high pricing obviously findsjustification in the incredible fall off in cartridge sales in the last 15 years. So,this is the only way these guys can actually stay in business.through GIVE MEa Revox G36 tube reel-to-reel. The Revox has a great sound justLP's anyday of the week. LP's are musical--CD's are not. Digital is I'mthat ie:only two states. Either on or off. There's nothing in between. havean analogperson and all of the music is IN BETWEEN ON AND OFF. Yes I itsabout 200CD's and about 2000 LP's. Believe it or not, but I listen to aolder SonyCDP700ES (which cost $1800 ten years ago) and it still holds ---------------------------------------------------------------------own againstmost of the players made today. I also have a big Pioneer whichcost $1600and sounds YUK. I also have a Theta "MILES" which sounds colderthan awitch's tit. ------------------------------------------------------------------------You have a voice mail message waiting for you at iHello.com: ------------------------------------------------------------------------ --- ---------------------------------------------------------------------You have a voice mail message waiting for you at iHello.com: ---
|
|
Re: CD Player
Dear James...
I just took an old but pristine SAE 2201 Amp out of a road case. I used to use it when I played out. I connected it to my stereo (because my other amp finally bit the dust). Anyhow, I noticed that it had a marked decrease in hi end. Not extremely severe, no distortion, but definitely not enough hi end. I had to increase the treble control from flat (where I usually keep it), to almost 3/4 max. Is there a problem with the capacitors in the input stage? I'm a little upset. I love this thing. Any advice? What should I look for before I start opening this thing up? Also, my old amp (an old Bozak) has a problem with power line noise. When I run the amp with the input disconnected, It's fine, as soon as I connect it to the preamp, every lightswitch, motor, relay etc in the immediate area clicks through the speakers. I suspect a wierd ground loop of some sort. I even tried to transformer couple the input and that didn't work either. The bozak unit has a strange design in that it's what they call "Quasi complimentary symmetry". It's a single supply amp, with a common ground between the Power Negative, Speaker negative and input common. (connected by RCA "Phono" plugs). It's supply voltage is 90 volts! and it uses 2 matched 2n3055's on it's output. It's worked fine up till recently but now with the power line problem, and the overheating, I don't think it's worth fixing. It's a very old piece. (piece of something alright). Anyhow, What could be wrong with it? I'd hate to loose it as it does have a warm tube-like sound. -=Jeff Gross=- |
|
Re: CD Player
James Bongiorno
Dear Paul,
toggle quoted message
Show quoted text
After looking at the manual I gave you the wrong model number for my Sony. It is actually a CDP707ESD. My turntable is a Micro-Seiki 1000 with three arms. One is a Black Widow, and two are SME's. I have between 30 and 40 cartridges but lo and behold, the best one is still the one I designed, my Sumo II moving coil. And no I don't have any to sell. I only have three left and they are for ME. You might look into the latest high end Grado's although like everything else in the cartridge world, astronomical pricing abounds. If I told the world what it really costs to make a cartridge, everyone would have a heart attack. Unfortunately, the high pricing obviously finds justification in the incredible fall off in cartridge sales in the last 15 years. So, this is the only way these guys can actually stay in business. James Paul Anthony Bigelow wrote: Dear James, |
|
Re: CD Player
Paul Anthony Bigelow
Dear James,
I too, have a high-end Sony -- a CDP-X77ES from about 1990. It is still top of the CD player heap as far as I'm concerned. Great build quality also. For analog playback, I have a Rega Planar 3 with a Grado cartridge. It is a very nice, if sparton, turntable. It is accompanied by a Technics SL-D1 (1980), a very basic direct drive unit with a Shure M97ED cartridge. Tapes are played through a Revox G36 tube reel-to-reel. The Revox has a great sound and still meets its specs after all these years. For me though, the REAL leap in playback was the Mobile Fidelity record album. In a leap of faith, $18 was plunked down (Abbey Road -- 1980) and I never looked back. The silence of the grooves, the flatness of the pressing, and the quality of Paul McCartney's bass just thundering throughout that album, sold me completely. Couldn't get enough of those records, so Japanese and British pressings were also sought out. For a while, I wouldn't purchase anything but a Japanese or Mobile Fidelity pressing. Some of the other "audiophile" labels were pretty good -- Nautilus and A&M "Audiophile" series out of Canada. "Super Disk" was OK. The CBS "Half-Speed Mastered" series was a joke. It was a real crime what JVC did in destroying their record manufacturing facility the result of which ended Mobile Fidelity's "classic" period of pressings. Then later it was reported that JVC would not sell/license the "Super Vinyl" compound when Mobile Fidelity went through its second era of record pressing! What a shame. Best regards, Paul Bigelow --- In SAE_Talk@..., James Bongiorno <sstinc@e...> wrote: Dear Paul,LP's any day of the week. LP's are musical--CD's are not. Digital is justthat ie: only two states. Either on or off. There's nothing in between. I'man analog person and all of the music is IN BETWEEN ON AND OFF. Yes I haveabout 200 CD's and about 2000 LP's. Believe it or not, but I listen to aolder Sony CDP700ES (which cost $1800 ten years ago) and it still holds itsown against most of the players made today. I also have a big Pioneer whichcost $1600 and sounds YUK. I also have a Theta "MILES" which sounds colderthan a witch's tit.--------------------------------------------------------------------- --- ---------------------------------------------------------------------You have a voice mail message waiting for you at iHello.com: ---
|
|
Re: CD Player
James Bongiorno
Dear Paul,
toggle quoted message
Show quoted text
Even though CD's have improved dramatically over the years, GIVE ME LP's any day of the week. LP's are musical--CD's are not. Digital is just that ie: only two states. Either on or off. There's nothing in between. I'm an analog person and all of the music is IN BETWEEN ON AND OFF. Yes I have about 200 CD's and about 2000 LP's. Believe it or not, but I listen to a older Sony CDP700ES (which cost $1800 ten years ago) and it still holds its own against most of the players made today. I also have a big Pioneer which cost $1600 and sounds YUK. I also have a Theta "MILES" which sounds colder than a witch's tit. James Paul Anthony Bigelow wrote: Dear James, |
|
Re: GAS-ETTE Vol. 1 No. 3
James Bongiorno
Dear Paul,
toggle quoted message
Show quoted text
There is only one policy that counts:HONESTY:period. That is what I've tried to be all of my career. You make a lot of enemies that way. The dilettantes are absolutely petrified of the truth. And that is exactly what we have. An industry mired with these dillettantes. The Thaedra with the clear plexiglass cover was our show model and it works perfectly and I still have it. As a matter of fact, to show how supherb the unit was it could be used WITHOUT the metal top cover with only a small increase in hum in the MC mode. Trust me:the head amps are the same as only the caps were from different manufacturers and therefore looked slightly different. As I said earlier, all of the first "bad" head amp cards were retrieved and none were left in the field. The Ampzilla was always black and white and there was an industrial version that was all black with welded on "ears" for rack use. There were also 25 units made in 1976 that were anodized red, white and blue to celebrate the bicentennial. I have one (and I won't sell it so don't ask). The reason that the controls were (are) so nice is that they are hermetically sealed and therefore there is no contamination that can build up over time. I have many times said my piece on measurements. You show me an amp that "measures" great, that is according to MY standards and I'll bet that it also sounds good. On the other hand THERE IS NO SUCH THING AS AN AMP THAT MEASURES BAD AND SOUNDS GOOD. That is a pure oxymoron situation and don't be mislead by any of the audio spin doctors. They are all full of crap. James Paul Anthony Bigelow wrote: Dear James, |
|
GAS-ETTE Vol. 1 No. 3
Paul Anthony Bigelow
Dear James,
I located my GAS-ETTE (Vol 1 No. 3) that described the Thaedra and Ampzilla. Do you have copies of the GAS-ETTES? On the back cover it has some interesing photos. Pictured is the "white" panel Thaedra I remembered as silver and a rather interesting black panel Thaedra with clear top and side panels really showing off the great build quality! The picture shows a head amp different from mine. Could that be the "Bascom King" head amp? It also has a rack mount panel. I have never personally seen a white panel Thaedra, or a rack mount Thaedra. Was there a white Ampzilla to go with the white Thaedra. The prices according to the flyer were: Black or White Rack Denver/West 899.00 934.00 East of Denver 909.00 944.00 Also contained within the GAS-ETTE is a thorough description about Thaedra's circuitry and tone control action. Very informative. The description of the controls themselves is also interesting: "manufactured by depositing a metal-glaze resistance element on a glass substrate using thick-film processing" -- an encased version of today's very expensive stepped attenuators. These controls have stood the test of time very well and exhibit no problem. The "feel" of the controls is perfect and there is no detectable noise when being operated. Inside are some reviews of Ampzilla by Audio magazine (R.I.P.) and Popular Electronics. These articles show that an amplifier can both measure great and sound great. From the reviews these days, it almost seems the reviewers wiew as suspect an amplifier that measures well while embracing very poorly measuring single ended triodes designs. Very interesting little paper. Who else kept their loyal customers as well informed? Best regards, Paul Bigelow |
|
Re: GAS Tuner
James Bongiorno
Dear Paul,
toggle quoted message
Show quoted text
Actually, we came up with the name "Charlie" at GAS however, the company folded after I sold out and nothing ever came of it. Since I had the name, I used it. James Paul Anthony Bigelow wrote: Dear James, |
|
Re: SAE P250 amplifier
James Bongiorno
Gentlemen,
toggle quoted message
Show quoted text
I guess I am wrong about a few things concerning the vast array of amps that SAE made after I left them. Very confusing. However, let me assure everyone that in ALL of these amplifiers, my original circuit was used (dual differential input, full complementary design) and is still used in all of the amps from the successor company ATI. This makes things easier, in a sense, in upgrading any of these units due to the virtual identical circuitry. James Bongiorno gurriesm wrote: The P250 is the professional version of the 2401 Amplifier which replaced |
|
Re: SAE P250 amplifier
gurriesm
The P250 is the professional version of the 2401 Amplifier which replaced
the 2400L. It added more power over the 2400L with 250W/chan @ 8 and 375W/Chan at 4 and will do a 2 ohms load. According to the Stereo Review's review of the amplifier, they were able to get 975W output on one channel. When they tried to do both channels, the line fuse blew on the test bench!! The P250 adds balanced cannon jacks inputs on the rear along with a mono bridge mode on top of the 2401 amp. It also adds two independent calibrated rotary attenuator knobs on the front, one for each channel. The LED power display is the same on both P250 and the 2401. The 2401 amplifier I believed got repackaged cosmetically into the A501 amplifier to become part of the "01" series of equipment. Unlike the 2400L or the 2500, the 2401, P250, A501 are all convection cooled (no fans) building on the innovative 2200/2300 heat sink technology. However, SAE did offer a rack mount fan accessory for the amplifier. Actually the fan worked with any amplifier with the side mounted heatsink design. I have no idea about the circuit topology in terms of it's design heritage. Since Jim says it based on the 2500, then the design is really a derated 300W/chan @ 8 ohms amp design that can handle 2 ohm loads without a blink! Obviously the power supply must have been improved to handle the lower impedance. James Bongiorno wrote: Dear Joel, Best Regards, Mark Gurries ---------------------------------------------------------- Battery Charging and Power Systems Application Engineer Linear Technology,1630 McCarthy Blvd, Milpitas, CA, 95035 WRK(408) 954-8400 x3864 Email: gurriesm@... FAX(408) 428-9413 WebSite: ---------------------------------------------------------- Work & Hobby Related Website Info: Smart Battery Charging Systems: Model Railroad Club: ---------------------------------------------------------- |
to navigate to use esc to dismiss