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

Link: radiomuseum | saba.pytalhost | saba.pytalhost

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

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.

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)

Beag PKP 11 Mixing Consoles, 1979, made in Hungry

Вся инфа по модингу у Кроша krosh.tehnologia

Echo-2M Tape reverberator | Ревербератор ленточный Эхо-2М, made un USSR

Link: RusKeys | Паспорт | Схемы