Sony TA-1700 Stereo Integrated Amplifier, 1975-78, made in Japan


Link: hifiengine

Specifications
Power output: 15 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 60kHz
Total harmonic distortion: 0.2%
Damping factor: 26
Input sensitivity: 2.5mV (MM), 250mV (DIN), 250mV (line)
Signal to noise ratio: 65dB (MM), 90dB (line)
Output: 250mV (line)
Speaker load impedance: 8Ω (minimum)
Semiconductors: 2 x IC, 16 x transistors, 5 x diodes
Dimensions: 358 x 102 x 234mm
Weight: 4.2kg
Year: 1975

На каждое плечо стоит по 2 шт Nec D288, в одном из плечей установлен аналог Nec D288



Saba Meersburg Stereo F Mod. ME-F, 1970-71, made in Germany



Country:  Germany
Manufacturer / Brand:  SABA; Villingen
Brand Schwer & Söhne, GmbH
Year: 1970/1971
Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 30:
Main principle to an article
Super-Heterodyne (Super in general); ZF/IF 460/10700 kHz
Tuned circuits 8 AM circuit(s)     12 FM circuit(s)
Wave bands Broadcast, Long Wave, Short Wave plus FM or UHF.
Details
Power type and voltage Alternating Current supply (AC) / 220 Volt
Loudspeaker - This model requires external speaker(s).
Power out
Model: Meersburg Stereo F Mod. ME-F - SABA; Villingen
Material Wooden case
Shape Book-shelf unit.
Dimensions (WHD) 560 x 160 x 210 mm / 22 x 6.3 x 8.3 inch
Notes
  • Stereo-Steuergerät. Stereo-Decoder F1 ist eingebaut.
  • Ausgangsleistung: 2× 10 W
  • zwei Lautsprecherboxen (300×180×150 mm, 1,8 kg) im Lieferumfang.
  • Gehäuse: Nussbaum, naturhell mattiert oder mattweiss.

Net weight (2.2 lb = 1 kg) 6 kg / 13 lb 3.5 oz (13.216 lb)
Price in first year of sale 548.00 DM
Collectors' prices  
External source of data Erb

Source of data Handbuch VDRG 1970/1971

Конечно же он собран на германиевых транзисторах  AD 161 и AD 162 (по 2 шт на каждый канал), вдобавок есть отдельный выход дополнительный под 5 Ohm собранный так же на двух идентичных транзисторах.

ПРО Звук: чистая копия звучания моих излюбленных Monacor-Monarch SA-500


Jamo E-25 Hi-Fi, made in Denmark

3 way Bass Reflex
Rated Power: 100W
Music Power: 165W
Impedance: 4-8 ohm
Frequence Range: 55-20.000 Hz
Production: Denmark
Dimensions: 60 x 31 x 28 cm
20 cm speaker with mesh dome





Peerless AK-39, 1975-1979, made in USA

3 way box
Frequency response: 35-22000 Hz +/- 3 dB
Rated load: 60 W
Musicability: 90 W
Impedance: 8 ohm
Dimensions (WHD): 300 x 450 x 227 mm
Net weight: 2 x 9,5 kg
Unit used:


  • woofer 250 mm cone
  • mid 38 mm dome
  • tweeter 25 mm dome (Philips AD 0140)
Новые подвесы на НЧ.
Пропаяны "пятки" на подводах СЧ.
Есть 2-е точечные вмятины на пыльнике НЧ у одной из колонок.




Nakamichi 420 Stereo Power Amplifier, 1976-1980¿, made in Japan




Link: hifiengine | radiomuseum | service manual


Country:  Japan
Manufacturer / Brand:  Nakamichi Co.; Tokyo
Year: 1976-1980 ??
Category: Audio Amplifier or -mixer
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Audio-Amplification
Wave bands - without
Details Hi-Fi equipment
Power type and voltage Alternating Current supply (AC) / 50/60Hz; 100; 117; 220; 240 Volt
Loudspeaker - This model requires external speaker(s).
Power out 100 W (unknown quality)
Model: Power Amplifier 420 - Nakamichi Co.; Tokyo
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 400 x 80 x 225 mm / 15.7 x 3.1 x 8.9 inch
Notes Nakamichi Stereo Power Amplifier Model 420.
  • Power output:

- 25 Watts RMS per channel (16 Ohms, 5 - 20000Hz)
- 50 Watts RMS per channel (8 Ohms, 5 - 20000Hz)
- 60 Watts RMS per channel (4 Ohms, 5 - 20000Hz)
  • IHF Power Bandwidth (both channels driven) 5 - 100000Hz
  • Frequency response: 5Hz to 50kHz
  • Total harmonic distortion: 0.02%
  • Damping factor: 100
  • Input sensitivity: 1V
  • Signal to noise ratio: 110dB
  • Power Consumption:
  • max. 400VA(8Ohms)


Optional:
Nakamichi Bridging Adaptor Model BA-100.
Net weight (2.2 lb = 1 kg) 7 kg / 15 lb 6.7 oz (15.419 lb)