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Old 30th April 2010, 12:17 PM   #1
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Default Overview of Brands and Models from first Solid State Audio Amplifier Components want.

Here already are two threads regarded similar subjects concerning newer generations of solid state devices:
1) a. 2N3055 inside - commercial famous amplifier models, quasi complementary power output
1) b. TIP3055/2N3055 based power amps
2) What was the first Complementary AB bipolar amplifiers?

But now I want to know the first generation high quality solid state comercial audio devices (radios, car-radios, home receivers, preamps, integrated amps and power amps for home-audio, studio/stage/instrumental-monitoring and public address) - independend, whether there is OTL or not so as complementary output stages or not.
Therefore I have create a URL collection about a wide range of "First Generation" transistor types - mainly from central Europe, USA and Japan. A wide range of photos you will find here.
With help of this it is more easy to discover the first model numbers and brands from audio devices in the aera between 1955 - 1965. But please note - because in the transition time most audio devices are a long time still equipped with tubes, at least here in Germany, there are not a wide range of solid state amplifier components.
If anybody is owner of a collection of the magazine mentioned there
MJ Magazine (formerly Musen to Jikken) - Yearly Index from 1924 - 2009 wanted
it is easy to find out some models and brands from that aera.
Thank you very much for your advices.

Basic Informations about History and Theory of Operation

First-Hand:Beginning of the Silicon Age - GHN
www.vintagetransistors.com
PNP-Transistor

NKT (newmarket) series
Mister Transistor's Historic Semiconductors

Power Devices from GDR
KHB-Radios -
KHB-Radios -

Collections of various Vintage "first Generation" Types, mostly Germanium, low and medium power devices:

Transistor History (Transistor History)
Raytheon Part Two (Transistor History)
USA Transistors (Transistor History)
Philips (Transistor History)
History of AWV (Transistor History)
http://groups.google.com/group/ham_r...coop?version=5
Germanium-Transistoren und -Dioden
Wumpus. Transistors
Wumpus. Transistors
Vintage Transistors & Diodes
Brand History (short form)
Transistor Museum Early Germanium Power Transistor History by Joe Knight Clevite Transistor Products
Transistor Museum Construction Projects Point Contact Germanium Western Electric Vintage Historic Semiconductors Photos Alloy Junction Oral History
Transistor Museum Photo Gallery Motorola Germanium Power Transistor Prototype
Transistor Museum Photo Gallery Raytheon CK705 Historic Germanium Diode
Transistor Museum Early Germanium Power Transistor History by Joe Knight TI Page 5
Transistor Museum Photo Gallery Raytheon CK793 Silicon Alloy Junction
Transistor Museum Photo Gallery CBS 2N155 Germanium Alloy Junction Power Transistor
ABQ-Techzonics Transistors - Bipolar MOSFET,FET,IGBT (Gallery - for vintage part scroll down)

Collection for use by Telefone
Transistor

Transistor History 101 by Bob McGarrah

Transistor History 101

Raytheon first transistors designd by Mr. Frank Dukat

next

THE CK722 CLASSIC GERMANIUM TRANSISTOR MUSEUM
CK722 Classic Germanium Transistor Website and Museum Photo Gallery Photograph Page6

EARLY TRANSISTOR HISTORY AT RCA

RCA Transistor Oral History Kalish Index
50 YEARS of the CK722
CK722 Germanium Transistor Construction Projects New Volume Index

First Generation of Japan Transistors:

Hitachi Transistor
TransistorArchive: ???????????????? ?????
TransistorArchive: ????FUJITSU ?????
TransistorArchive: ???TOSHIBA ?????
TransistorArchive: ????SONY ?????
TransistorArchive: ???SANYO ?????
TransistorArchive: ???MATSUSHITA ?????
TransistorArchive: ???HITACHI ?????

TFK OC/OD Germanium Power Devices Series
telefunken
techinfo2

list of a wide range from vintage transistor data books
Hersteller und Quellen - Manufacturers and References

Overview and short form data of BjT Germanium power devices

Bipolare Germanium-Leistungstransistoren - Bipolar Germanium Power Transistors
Grenzwerte von Germanium-Leistungstransistoren - Germanium Power Transistor Maximum Ratings
elektronische Bauelemente - Transistoren

Delivery Source - Ordering Address

Results for Semiconductors:Vintage
Atomic Mall - Related Items

Advices to additional Delivery Sources

Germaniumtransistoren, wo zu haben? - Mikrocontroller.net

First Examples of first generation Solid State Radios/Receiver, Integrated Amps and Power Amps
http://home.arcor.de/pfaue/klangkue/...beo/beo900.htm
TR1 - Hardware-Fachbegriffe Online Lexikon (erstes TI-Taschenradio)
Drucker, Geräte von Dual, Röhrenradios Dual erster Transistorverst.
Mein eigenes Kolter-Museum
Transistorradio
Radios Antigos no Brasil
Vintage Radios Australia
Silicon Chip Online - Vintage Radio

Last edited by tiefbassuebertr; 30th April 2010 at 12:30 PM.
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Old 30th April 2010, 02:03 PM   #2
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Default URL collection to Joe’s impressive “Survey of Early Power Transistors”

URL supplement to review Joe’s impressive “Survey of Early Power Transistors” from follow brands:

- Amperex
- Bendix
- CBS
- Clevite Transistor Products
- Delco
- General Electric
- Germanium Products Corp
- Honeywell
- IBM
- Mallory
- Motorola
- Pacific Semiconductor Inc
- Philco
- Raytheon
- RCA
- Sylvania
- Texas Instruments
- Transistor Products Inc
- Transitron
- Tung-Sol
- Westinghouse
- Bell Labs/Western Electric

Transistor Museum Early Germanium Power Transistor History by Joe Knight Amperex
Transistor Museum Early Germanium Power Transistor History by Joe Knight CBS
Transistor Museum Early Germanium Power Transistor History by Joe Knight Delco
Transistor Museum Early Germanium Power Transistor History by Joe Knight Germanium Products
Transistor Museum Early Germanium Power Transistor History by Joe Knight IBM Index
Transistor Museum Early Germanium Power Transistor History by Joe Knight Motorola
Transistor Museum Early Germanium Power Transistor History by Joe Knight Philco
Transistor Museum Early Germanium Power Transistor History by Joe Knight RCA
Transistor Museum Early Germanium Power Transistor History by Joe Knight Texas Instruments
Transistor Museum Early Germanium Power Transistor History by Joe Knight Transitron Index
Transistor Museum Early Germanium Power Transistor History by Joe Knight Westinghouse
Transistor Museum Early Germanium Power Transistor History by Joe Knight Bendix
Transistor Museum Early Germanium Power Transistor History by Joe Knight Clevite Transistor Products
Transistor Museum Early Silicon Power Transistor History by Joe Knight General Electric Index
Transistor Museum Early Germanium Power Transistor History by Joe Knight Honeywell
Transistor Museum Early Germanium Power Transistor History by Joe Knight Mallory
Transistor Museum Early Silicon Power Transistor History by Joe Knight Pacific Semiconductors Inc
Transistor Museum Early Germanium Power Transistor History by Joe Knight Raytheon
Transistor Museum Early Germanium Power Transistor History by Joe Knight Sylvania
Transistor Museum Early Germanium Power Transistor History by Joe Knight Transistor Products Inc
Transistor Museum Early Germanium Power Transistor History by Joe Knight Tung-Sol
Transistor Museum Early Germanium Power Transistor History by Joe Knight BTL Western Electric
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Old 1st May 2010, 11:07 AM   #3
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Now I understand, why it is very hard to find the realy first solid state amps equipped with germanium/silicon power devices; most of the brands in the United Sates uses only power output transistors with their own factory number like Motorola's power device 132-070 for McIntosh e. g. = Industry standart 2N5303
An other curious thing is the fact, that the US amp devices for the German marked was equipped with tubes/valves; I have study the follow German overviews found by follow URL:
hifimuseum.de - Sie sind im Bereich : Hifi Jahrbücher

1) HiFi-Jahrbuch 1963/1964 (first edition in general)
HiFi Jahrbuch 1 Verstärker
after first release of germanium power devices even 8 years later no solid state amplifier mentioned

2) HiFi-Jahrbuch 2 1965/1966
Verstärker
I note first amount of solid state amplifiers, but mostly tube-based - at least by the output power devices

3) HiFi-Jahrbuch 3 1967/1968
HiFi-Jahrbuch 3 Verstärker
wider range of solid state amplifiers, but still a large amount of tube/valve equipped versions

But the first transistors from USA was released more than 10 years ago. Where are this commercial amp inside this first generation of power devices?

The first interesting tuner/integr.amp set up from the sixties is follow
(schematic not to find and therefore wanted !!!) :

Acoustech INC, Cambridge, Massachusetts, Silicon solid state 1965

Acoustech VIII (Receiver with small power amp section 2x3V, >1W/8 ohms)
It should be a stereo tuner with normal line buffer, but instead of this an real power amplifier is on board for mid levels at high efficiency loudspeakers.
Acoustech VII (Integrated Amplifier 2x20W/8 ohms)

in the attachements some pics and a URL collection arround it:
http://telefunken.te.funpic.de/jahrb.../Acoustech.jpg
Acoustech Stereo Amplifying System? - AudioKarma.org Home Audio Stereo Discussion Forums
ACOUSTECH VII
A. A. Janszen autobiographical sketch, frame content
http://telefunken.te.funpic.de/jahrb...ech%20VIII.jpg
http://www.bostonaudiosociety.org/pd...04-05-7602.pdf
Attached Images
File Type: jpg Acoustech VII Front II.jpg (46.9 KB, 2238 views)
File Type: jpg Acoustech VII inside rear.jpg (398.6 KB, 2214 views)
File Type: jpg Acoustech VII inside top view II.jpg (420.4 KB, 2098 views)
File Type: jpg Germ 39414-RCA.jpg (47.6 KB, 2003 views)

Last edited by tiefbassuebertr; 1st May 2010 at 11:24 AM.
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Old 1st May 2010, 11:16 AM   #4
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Default Acoustech VII / VIII more pics

Acoustech VII / VIII more pics
Attached Images
File Type: jpg Acoustech VII inside top view rear.jpg (83.5 KB, 1984 views)
File Type: jpg Acoustech VII inside top view.jpg (422.9 KB, 185 views)
File Type: jpg Acoustech VII inside top view-III.jpg (81.1 KB, 230 views)
File Type: jpg Acoustech VIII short form data.jpg (55.2 KB, 241 views)
Attached Files
File Type: pdf Acoustech VIII Stereo Tuner + Power Amp 2x1W.pdf (128.4 KB, 89 views)

Last edited by tiefbassuebertr; 1st May 2010 at 11:27 AM.
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Old 1st May 2010, 12:23 PM   #5
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Default Lansing's Term for SS Power Amp: "Solid State Energizer Transducer"

Here another interesting power amp uses germanium output power devices:
SE400/SE401 from the Brand "James B Lansing Inc" (JBL) introduced 1964.
Some links an attachements, but no schematic online:

JBL ƒXƒeƒŒƒIƒpƒ[ƒAƒ“ƒvSE400S‚ÌŽd—l
Jbl C44 Paragons Info Please Please - Page 3 - AudioKarma.org Home Audio Stereo Discussion Forums
Power amp output - BJT or MosFET? (post #3)
audi1356??? - Looser?s Waltz??????????????
???????? McIntosh/JBL/audio-technica/Jeff Rowland/Accuphase/?/?¾?????
???????? McIntosh/JBL/audio-technica/Jeff Rowland/Accuphase/?/?¾?????
Diary(11/2005)

Review "Transistorized 15 W LANSING amplifier SE 400" about
JSTOR: An Error Occurred Setting Your User Cookie
no longer online. Who knows this article?
Attached Images
File Type: jpg JBL_SE400S_12.jpg (30.1 KB, 168 views)
File Type: jpg JBL SE401 driver modules + power transistors.jpg (244.9 KB, 195 views)
File Type: jpg JBL SE401 Front connectings.jpg (64.9 KB, 166 views)
File Type: jpg James B. Lansing sound SE401.jpg (39.5 KB, 82 views)
File Type: jpg JBL SE401 Front II.jpg (63.5 KB, 74 views)
File Type: jpg Acoustech VII Front.jpg (336.3 KB, 77 views)
File Type: jpg JBL SE401 open caps + transformers.jpg (175.2 KB, 90 views)
File Type: jpg JBL SE401 TO-3 Devices.jpg (315.7 KB, 160 views)

Last edited by tiefbassuebertr; 1st May 2010 at 12:52 PM.
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Old 1st May 2010, 12:27 PM   #6
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Default JBL's "Solid State Energizer Transducer"

JBL's "Solid State Energizer Transducer" more pics
Attached Images
File Type: jpg JBL SE401 open left side+power transistors.jpg (203.3 KB, 188 views)
File Type: jpg JBL SE401 open rear view+power transistors.jpg (215.5 KB, 133 views)
File Type: jpg JBL SE401 page 43 data.jpg (131.0 KB, 127 views)
File Type: jpg JBL SE401 serial number.jpg (108.6 KB, 71 views)
File Type: jpg JBL SE401 speaker terminal + inputs + level adj.jpg (124.3 KB, 58 views)
File Type: jpg JBL SG520 front, operating.jpg (153.1 KB, 84 views)
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Old 1st May 2010, 08:33 PM   #7
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More of the first solid state amp models:

Bogen AT-600 see attachement - nothing informations online. Currently webaddress:
Bogen Communications: Speakers, Amplifiers, Audio Applications

Hede Nielsen Fabriker AS DK
1) "HFN 212" see attachement - nothing informations online
2) "Arena 9000"
HIFI4ALL.DK Forum: ARENA T9000
HIFI4ALL.DK Forum: ARENA T9000

Lesa SPA HF850 6xAL102 ATES (now ST) Made in Milano (no photos online)
http://digilander.libero.it/Magnaghi...iche%20Spa.htm
http://digidownload.libero.it/Magnag...nuali_Lesa.pdf (Service Manual)
http://telefunken.te.funpic.de/jahrb...Lesa_HF850.jpg short form data

Radford SC4-10 - see attachement - nothing informations online.

Concertone 200, 200S - see attachement - only rare advices and no photo online
http://telefunken.te.funpic.de/jahrb...tone%20200.jpg
Synthèse Haute-Fidélité • Afficher le sujet - Nac-nap21

Scott 260/260B
Audion Circuit Review
http://wegavision.pytalhost.com/jahr.../Scott_260.jpg

Saba-Telewatt_TS100
http://telefunken.te.funpic.de/jahrb...watt_TS100.jpg
Attached Images
File Type: jpg Arena T9000 H. Nielsen DK.jpg (46.8 KB, 109 views)
File Type: jpg Arena T9000 con H. Nielsen DK.jpg (55.1 KB, 87 views)
File Type: jpg Arena T9000 rear H. Nielsen DK.jpg (48.0 KB, 68 views)
File Type: jpg Arena T9000 top H. Nielsen DK.jpg (85.0 KB, 114 views)
File Type: jpg Lesa_HF850 short form.jpg (97.9 KB, 113 views)
File Type: jpg Bogen_AT600.jpg (71.7 KB, 52 views)
File Type: jpg Radford_SC4-10 short form.jpg (105.2 KB, 43 views)
File Type: jpg Concertone 200 short form.jpg (61.6 KB, 43 views)
Attached Files
File Type: pdf Concertone 200 test magazine.pdf (94.3 KB, 25 views)
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Old 1st May 2010, 08:36 PM   #8
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Scott 260/260B
Audion Circuit Review
http://wegavision.pytalhost.com/jahr.../Scott_260.jpg

Saba-Telewatt_TS100 SP2213 inside
http://telefunken.te.funpic.de/jahrb...watt_TS100.jpg

Armstrong 500 Series AL102 inside
The Armstrong 421 Amplifier
Armstrong Audio - Wikipedia, the free encyclopedia
The Armstrong 500 Series
The Armstrong 400 Series - Page 2
http://www.saturn-sound.com/images%2...20nov%2069.jpg
http://www.saturn-sound.com/images%2...20sep%2069.jpg


Sugden SI402 and A21 BD131 (silicon) inside
Jim Sugden and the Si 402
40 Years Ago Today
History Neophonics
Attached Images
File Type: jpg scott-stereomaster 260.jpg (284.7 KB, 64 views)
File Type: jpg Scott1.jpg (48.7 KB, 64 views)
File Type: jpg Saba Telewatt TS-100A schematic.jpg (42.2 KB, 305 views)
File Type: jpg Saba-Telewatt TS-100A inside.jpg (88.5 KB, 313 views)
File Type: jpeg Sudgen A21.jpeg (128.7 KB, 97 views)
File Type: jpg Sudgen A21circuit.jpg (205.8 KB, 194 views)
File Type: jpg Sudgen BD121.jpg (55.1 KB, 177 views)
File Type: jpg Sugden A21 color.jpg (35.8 KB, 75 views)

Last edited by tiefbassuebertr; 1st May 2010 at 08:59 PM.
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Old 2nd May 2010, 10:06 AM   #9
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The URLs from Scott 260/260B
http_wegavision.pytalhost.com/jahr.../Scott_260.jpg
and
Saba-Telewatt_TS100 SP2213 inside
http_telefunken.te.funpic.de/jahrb...watt_TS100.jpg
was both short-live sites and therefore the upload of this jpg-files.
By one front of the - on first look identical - amps from Saba-Telewatt you will find already the K+H logo from the brand "Klein & Hummel" (now Sennheiser), good known in Germany through their famous Stereo-FM Tuner "FM-2002" developed from Mr. Reinhard Wieschhoff-van Rijn
Attached Images
File Type: jpg Scott_260.jpg (90.7 KB, 80 views)
File Type: jpg Saba-Telewatt_TS100.jpg (108.5 KB, 48 views)
File Type: jpg Saba-Telewatt TS-100-A.jpg (57.3 KB, 33 views)

Last edited by tiefbassuebertr; 2nd May 2010 at 10:14 AM.
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Old 2nd May 2010, 02:53 PM   #10
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Default In 1957, Vega introduced the world’s first solid state amplifier, rated at 125 RMS

...I read about
vintage amp amplifier, effects dating, serial numbers, CMI, Carlsbro, Cruise Audio
The model-No include the cabinet for the loudspeaker is "ER-123" (ER123)
I dont find any informations about the schematic and photos about the internal construction. Who knows more ??
Attached Images
File Type: jpg cerwin_vega er123.jpg (18.3 KB, 90 views)
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