Infrequent Sound [sex.tex] technology: Germanium Transistors

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Philips 22GF603/15B Portable Stereo Turntable + Philips FullRange Oval Speaker's 2422.257.2003 + Headshell Philips 22GP204 AH CR [Germanium Transistors], 1974, made in Austria

Link: radiomuseum | Service Manual

Шелл съёмный

Игла алмаз

Country: Austria

Manufacturer / Brand: Philips - Österreic

Year: 1974 ??

Category: Sound/Video Recorder and/or Player
Number of Transistors: 6

Semiconductors: BC408 AC187 AC187 AC188 AC187 AC188 BA148 BY126 BA148 SBF3A

Main principle: Audio-Amplification

Wave bands: without

Details: Record Player (not changer)

Power type and voltage: Line / Batteries (any type) / 220 / 6 x 1,5 Volt

Loudspeaker: Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

Power out: 5 W (unknown quality)

Material: Plastics (no bakelite or catalin)
Model: 22GF603/03L - Philips - Österreich

Shape: Portable set > 8 inch (also usable without mains)

Dimensions (WHD): 380 x 140 x 270 mm (410 x 135 x 260 mm)

Weight: 3.7kg

Technical specifications:

Mains voltage: 110-127-220-240V 50-60Hz

Battery Voltage: 9V (6 mono cells - R 20)

Power Consumption: Max 6.8W

Output power: 2 x 2.5 W sinusoidal continuous tone - DIN 45 324

Speaker Impedance: 4 ohms

Speeds: 33 1/3, 45, 78 rpm

Needle bed pressure: 4-6 p

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Monacor SA-500 Solid State Stereo Amplifier (OEM Version Monacor / Monarch SA-500) [Germanium Transistors], 1969, made in Japan

Link: radiomuseum | Infrequent Sound | hifi-wiki

Оконечный усилитель собран на: 4 x Sanyo 2SB407 (4B)

Наверное, самое ужасное, читать графики но не слушая звук, из первых рук (конденсаторы промеряны):

Country:

United States of America (USA)

Manufacturer / Brand:

Monarch Electronics Int. Inc.; North Hollywood, CA

Year: 1969-1975 ??

Category: Audio Amplifier or -mixer
Semiconductors (the count is only for transistors) Semiconductors present.
Reception principle Audio-Amplification
Wave bands - without
Details
Power type and voltage Alternating Current supply (AC) / 110; 117; 220; 240 Volt
Loudspeaker - This model requires external speaker(s).
Power out 25 W (40 W max.)
Model: Solid State Stereo Amplifier SA-500W - Monarch, Bremen
Material Wooden case
Shape Book-shelf unit.
Dimensions (WHD) 380 x 130 x 280 mm / 15 x 5.1 x 11 inch
Notes

Inputs:

tuner

phono

magnet

phono

crystal

band.

KH port front.

Stereo-mono switchable.

Siehe auch das Modell Monarch Electronics Int'l SA-500W.
Net weight (2.2 lb = 1 kg) 9 kg / 19 lb 13.2 oz (19.824 lb)

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Skand Elektro type TF-15 Stereo Forsterker [Germanium Transistors], 1964, made in Norway

Link: hifisentralen

Оконечный усилитель собран на: 4 x Ates AL103 [Germanium Transistors]

Dimensions: 327 x 108 x 237 mm

Дальше »

HEA Stereo 1600 St 1/1 [clone Lenco 1600] [Germanium Transistors], 1967-1968, made in Austria

Link: radiomuseum

Оконечный усилитель собран на: 4 x AD149 [Germanium Transistors]

Country: Austria
Manufacturer / Brand: HEA; Wien
Year: 1967/1968
Category: Audio Amplifier or -mixer
Number of Transistors: 14
Semiconductors: BC109 OR. BC149 AC126 AC132 AC127 AD149
Wave bands: without
Power type and voltage: Alternating Current supply (AC) / 220 Volt
Loudspeaker: This model requires external speaker(s).
Material: Various materials
Model: Stereo 1600 - HEA; Wien
Dimensions (WHD): 310 x 70 x 200 mm / 12.2 x 2.8 x 7.9 inch
Notes
- Transistoren teilweise mehrfach
- Auch als Sonderausstattung mit Vorverstärker VVST 101 für magnetischen Tonabnehmer mit 4 × BC109 erhältlich.
- Wurde mit Holzseitenteilen auch als Lenco 1600, Zusatzbezeichnung rückseitig: Typ 668, angeboten.

- Stereo amplifier
1 kHz Input 220 mV (200 ÷ 250 mV ± 1 dB)
Po = 2x6 Watt Sinus / 2x8 Watt Music
an 5 Ohm reel
for 5 Ohm ohmic
Ri > 500 KoOhm
Ub = 21V = DC
kges/Dt (Po= 5 W)≤1%
mit Vorverstärker VVSt 101
with preamplifier VVSt 101
1 kHz input 3mV
Po = 2 x 6 Watt
Ri > 50 kOhm
entzerrtfür DIN 45541÷
Standard RIAA
equalization for DIN 45541 ÷ Standard RIAA
Meßinstrument 25.000 Ohm/V

Source of data: Collector info (Sammler) / Radiokatalog Band 2, Ernst Erb
Literature/Schematics (1): Original-techn. papers.

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Siemens Club RK231, 1970-1971, made in Germany

Link: radiomuseum

Country: Germany
Manufacturer / Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

Year: 1970/1971
Category: Broadcast Receiver - or past WW2 Tuner
Number of Transistors: 10 Semiconductors
Main principle: Superheterodyne (common); ZF/IF 460/10700 kHz
Tuned circuits: 7 AM circuit(s) 10 FM circuit(s)
Wave bands: Broadcast, Long Wave, Short Wave plus FM or UHF.
Power type and voltage: Dry Batteries / 6×1,5; 2×4,5; 9 Volt
Loudspeaker: Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
Power out: 1.5 W (unknown quality)
Material: Plastics (no bakelite or catalin)
Model: Club RK231 - Siemens & Halske, -Schuckert
Shape: Portable set > 8 inch (also usable without mains)
Dimensions (WHD): 247 x 159 x 71 mm / 9.7 x 6.3 x 2.8 inch
Notes: Netzbetrieb mit zusätzlichem Netzteil möglich.
Net weight (2.2 lb = 1 kg): 2 kg / 4 lb 6.5 oz (4.405 lb)
External source of data: Erb
Source of data: Handbuch VDRG 1970/1971