Arcus Harlekin, made in Germany

Specification:
System: 2-way
Rated power: 50W
Music power: 80 W
Impedance: 8 Ohm

Speaker's:
tweeter: 72 / 25 mm dome
medium-low tone: 160 mm

Dimensions (WHD): 210 x 392 x 245 mm

Lustre CR-8080 SE (Germany) | JBN CR-8080 SE (Sweden) | Eagle International AA-30 (England / UK), 1977-1981, made in Japan

Link: radiomuseum | hifi-archiv [Owner's Manual] | hifisentralen

The receiver made by Japan for different countries under different names:

• Lustre CR-8080 SE (for Germany)
• JBN CR-8080 SE (for Sweden)
• Eagle International AA-30 (for England / UK)

Оконечный усилитель собран на: 4 x  NEC 2SD 180 [Sanyo D315 D] (попарно в каждом канале).

Country:  Germany
Manufacturer / Brand:  Audio Electronic, Düsseldorf
Year: 1977–1981
Category: Broadcast Receiver - or past WW2 Tuner 
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle PLL, Phase-locked loop; ZF/IF 469 / 10700 kHz 
Wave bands Broadcast (BC) and FM or UHF. 
Details 

FM reception Range: 88 to 108 MHz

Input Sensitivity: DIN SN 26dB

Power:

• 35 watts per channel (8 ohms)
• 48 watts per channel (4 ohms)

Frequency Response Range: 10 Hz to 50 kHz
THD: 0.05%

Equalizer (5-band):

• A 40 Гц +- 10   dB
• B 200 Гц +-10  dB
• C 120 Гц +-10  dB
• D 6000 Гц+-10 dB

Power type and voltage Alternating Current supply (AC) / 220-240 Volt 
Loudspeaker - This model requires external speaker(s).
Model: Lustre Receiver CR-8080 SE - Audio Electronic, Düsseldorf
Material Wooden case 
Shape Book-shelf unit. 
Dimensions (WHD) 425 x 140 x 345 mm / 16.7 x 5.5 x 13.6 inch 
Notes

• Lustre AM/FM Receiver CR-8080 SE mit SEC (Sound Effect Control) 5-Band-Equalizer.
• Frequenzbänder: MW 535 - 160 kHz, UKW: 88 - 108 MHz
• Eingänge: Phono (mag.), Tape, Aux
• Anschlüsse für 2 Paar Lautsprecher
• Impedance 4-16 Ohm
• Anschluss für Kopfhörer (8 - 200 Ohm)
• Anschlussmöglichkeit für rückseitige (rear) Hochtöner.
• Hergestellt in Japan, Vertrieb durch Audio Electronic (Brandenburger). Parallelmodell für Schweden bekannt (unter der Marke JBN)

Net weight (2.2 lb = 1 kg) 12 kg / 26 lb 6.9 oz (26.432 lb) 
Price in first year of sale 1'098.00 DM
Mentioned in Hi-Fi Jahrbuch Nr. 8 bis 12

Yamaha RM804 Recording Mixer, May 1984, made in Japan

Link: Owner's Manual [PDF] | Articles #1 | Articles #2

По сервису: штатно стоит по две лампы подсветки на 24V 19mm x 5mm c каждого VU Meter. Прекрасно меняется на 19mm x 5,5mm. Конденсаторы померяны ESR - адекватные живые японские конденсаторы.

Grundig Studio 150 (ST-150) + Elac Miracord 625 (manual & diagrams), 1970-1973, made in Germany

Link: radiomuseum | Grundig HiFi-Box 306 Compact

Studio 150 HiFi Stereo
HiFi according to DIN 45500 standards

Power 2X30 Watt music
Keyboard with 8 control keys
27 Transistors + 8 diodes + 1 rectifier
Frequency response 20. . . 35,000 Hz
Disc changer 625 with magnetic head
Built-in preamplifier for the magnetic head of the changer
Stereo headphone jack. for tuner, for wire melter and recorder
Sockets for speaker boxes
Mobile in satin metal and black bands
Dimensions approx. 55 x 32 x 18 cm

Grundig CN720 Kassetten-Tonbandgerät HiFi-Stereo DNL automatic (manual & diagrams), 1973-1974, made in Germany

Link: radiomuseum | radiomuseum-bocket

Country: Germany
Manufacturer / Brand: Grundig (Radio-Vertrieb, RVF, Radiowerke)
alternative name Grundig Portugal || Grundig USA / Lextronix
Year: 1973–1977

Category: Sound/Video Recorder and/or Player
Semiconductors (the count is only for transistors) 40:
Main principle Audio-Amplification
Wave bands - without
Details Cassette-Recorder or -Player
Power type and voltage Alternating Current supply (AC) / 110; 120; 220; 240 Volt
Loudspeaker - For headphones or amp.
Power out
Model: CN720 HiFi-Stereo DNL - Grundig Radio-Vertrieb, RVF,
Material Modern plastics (no Bakelite or Catalin)
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 240 x 110 x 260 mm / 9.4 x 4.3 x 10.2 inch
Notes

• Grundig Cassetten-Tonbandgerät CN720 HiFi-Stereo DNL.
• Abschaltbare Stereo-Aufnahmeautomatik, für Sprache oder Musik umschaltbar; eingebaute, schaltbare DNL-Schaltung. Übertragungsbereich: 30-12500 Hz mit Eisenoxydband, 30-14000 Hz mit Chromdioxydband. 

Net weight (2.2 lb = 1 kg) 3.1 kg / 6 lb 13.3 oz (6.828 lb)
Source of data Katalog RFP 1973
Mentioned in Handbuch VDRG 1975/1976 (und 1976/77)

Westra OT-57-148 8Ohm, made in Germany

Produktdetails Lautsprecher HKM OT-57-148
Impedanz: 8 Ohm
Frequenzbereich: 1000...20000 Hz
Nennleistung: 80 W (* über Frequenzweiche)
SPL 1W/1m: 88 dB
fs: 1000 Hz
Re: 6,8 Ohm
Le: 0,2 mH
Qms: 4,6
Qes: 6,4
Qts: 2,6
Sd: 16,6 cm²
Gewicht: 100 g
Magnet: 1 oz
Spulen-Ø: 13 mm
Einbau-Ø: 53 mm
Gesamtmaße: 58,5x58,5x31 mm
* Crossover Highpass 6000 Hz

Telefunken HP 840T 3-Wege Boxen, 1991, made in Germany

Link: radiomuseum