H.H Scott S-17 Controlled Impedance Wide-Range Bookshelf Stereo Speakers [Color: White], 1973, made in USA



Link: radiomuseum | hhscott


Manufacturer / Brand:  Scott; H.H.; Maynard, Massachusetts
Year: 1972-1973
Category: Loudspeaker, headphone or earphone
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker 2 Loudspeakers
Power out
Model: Controlled Impedance Wide-Range Loudspeaker System S-17 - Scott; H.H.; Maynard,
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Dimensions (WHD) 267 x 457 x 216 mm / 10.5 x 18 x 8.5 inch
Notes
  • Type: S-17 type: sealed housing 2 woofer / midrange: 1 x (high compliance woofer) Tweeter: 1 x (Soft Cone tweeter) diaphragm diameter dd / MT: 200 mm membrane diameter HT: 75 mm Impedance 8 Ohm "impedance-controlled"
  • Crossover: 2-way
  • frequency response: 40 - 20000 Hz (DIN 45500)
  • load capacity: 35 watts (DIN 45573)
  • Minimum amplifier Power 6 Watt (according to DIN 45500)
  • Middle / Upper range: yes
  • Volume (net) 16.5 liters
  • connectors optional terminal block
  • Cynch male Species: walnut natural fabric: dark brown textured fabric
  • Impedance 6-8 Ohms.
Made in USA.

Net weight (2.2 lb = 1 kg) 7.5 kg / 16 lb 8.3 oz (16.52 lb)



WHD Hi-fi Box 80 K, 1975-1976, made in Germany


Link: hifi-wiki

НЧ 25 бумага на очень мягком резиновом см подвесе 
ВЧ маркирован 2422 109 - это BRAUN (ADS) 2474.702 но со скрытыми выводами. 
Размер Нч 25 см, маркирован 2422 109 - это BRAUN (ADS) 2474.702 но со скрытыми выводами. 
Те же СЧ / ВЧ с шёлковым куполом чистой воды Canton / Braun 
Размеры и вес больше чем в Braun и a / d / s CM7 и rm7. 
Фильтра маркированы WHD - все с завода, ничего не гроблено, использованы конденсаторы биполярные tfz / tm elko smooth 20VAC



Specifications:
Manufacturer: WHD, Wilhelm Huber + Söhne GmbH + Co. KG
Model: Box-80 K
Manufactured by: WHD Germany
Black color
Weight: 15 kg one column, a pair of 30 kg.
Technical specifications
Construction: 3-way [Закрытый ящик]
Woofer: 254 mm
Midrange speaker 50 mm dome
Tweeter: 25mm dome
Power: 100/120 W (rated / musical load)
Frequency response: 25 - 25 000 Hz
Visible transitions: 900, 4500 Hz
Impedance: 4-8 ohms

Dimensions: 340 x 625 x 260 mm (WxHxD)




Nikko STA-8080 Am-FM-Multiplex Stereo Receiver, 1975, made in Japan


Link: radiomuseum | elektrotanya

Оконечник собран на: NEC 2SD188 & NEC 2SA627 попарно в каждом канале.
Country:  Japan
Manufacturer / Brand:  Nikko Electric Manufacturing Co., Ltd.; Tokyo
Year: 1975 ?

Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Super-Heterodyne (Super in general)
Wave bands Broadcast (BC) and FM or UHF.
Details 
Power type and voltage Alternating Current supply (AC) / 220 Volt
Loudspeaker - This model requires external speaker(s).
Power out 160 W (unknown quality)
Model: STA-8080 - Nikko Electric Manufacturing
Material Wooden case
Shape Book-shelf unit.
Dimensions (WHD) 450 x 400 x 140 mm / 17.7 x 15.7 x 5.5 inch
Notes
  • Leistungsaufnahme: 290 W, Eingänge: 2x Phono (1,9 mV, 47 kOhm), 2x Band (160 mV), Reserve: (150 mV).
  • Ausgänge: 2x Band, Pre-Out, UKW Quattro, Kopfhörer (6,3mm Klinke, vorne, 200 Ohm), 2 Lautsprecherpaare (4-16 Ohm).
  • Verstärkerdauerleistung: 2x 65W an 8 Ohm, 2x 80W an 4 Ohm, Gesamtklirrfaktor: 0,1% 
Net weight (2.2 lb = 1 kg) 11 kg / 24 lb 3.7 oz (24.229 lb)
Price in first year of sale 1,499.00 DM




Saba Greencone 5898 510 002 5 Ohm [Full Range Alnico Oval 240 x 180 mm] - Open Baffle, 1955-1961, made in Germany


Link: radiomuseum

Данной моделью широкополосных GreenCone оснащались радио подобные Saba Wildbad 125.

Country:  Germany
Manufacturer / Brand:  SABA; Villingen
Brand Schwer & Söhne, GmbH
Year: 1955-1961 ??
Category: Loudspeaker, headphone or earphone
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Impedance: 5 Ohm
Power out
Model:  5898 510 002 - SABA; Villingen
Material Various materials
Dimensions (WHD) 180 x ?? x 240 mm
Net weight (2.2 lb = 1 kg) ?? kg




Akai 4000DS mk-ii Reel to Reel tape recorder, 1973-1979, made in Japan


Link: hifiengine

Description
The Akai 4000DS is a four-track, two-channel stereo reel to reel tape recorder for use with 7" reels.

The employment of a highly efficient induction motor and boldly designed flywheel in the 4000DS results in stable tape travel and reduced wow and flutter.

This feature coupled with a three head system including Akai's one-micron gap playback head assures clear playback sound.
Specifications

Track system: 4-track, 2-channel, stereo/monaural system
Heads: 1 x record, 1 x playback, 1 x erase
Motor: 1 x SSM-1 4-pole induction
Reel size: up to 7 inch reel
Tape speeds: 3 3⁄4 7 1⁄2 ips
Wow and flutter: 0.15% (7 1⁄2 ips)
Frequency response: 30Hz to 23kHz (7 1⁄2 ips)
Signal to Noise Ratio: 50dB
Total harmonic distortion: 1.5%
Crosstalk: 50dB
Input: 70mV (line), 7mV (DIN), 0.8mV (mic)
Output: 1.228V (line), 0.4V (DIN)
Semiconductors: 11 x transistors, 4 x IC, 4 x diodes
Dimensions: 406 x 314 x 194mm
Weight: 11.4kg


Downloads
mkII brochure

Philips (B&O & DUX) AD 0163 T8 dome tweeter, 1976-1978 , made in Belgium


Link:

1060 & 1063 являются лучшими из ВЧ в AD-серии
sensitivity: 92 db
классическое применение: фильтр второго порядка L = 0, 28 ; C= 2,2 mkf



Philips (B&O & DUX) AD5061/SQ8 mid-range, 1976, made in Belgium


Link: verheijde

Diffuser - paper, fabric suspension.
Cone Ø 100mm.

AD5061/SQ main difference sealed metal frame back with 680 Hz Fs
AD5061/M Midrange version with whizzer cone, probably for table radios
AD5060/W Woofer version with rubber edge and Fs = 65 Hz, large peak in FR.
Note these power differences for the AD5060/W8 vs 62 versions of the woofer:
AD5060/W8 RMS PHC = 10, Operating = 8, P. Max = 15 W
AD5062/W8 RMS PHC = 20, Operating = 8, P. Max = 40 W
More data is given for the woofer which might also apply to the SQ version:
DC resistance: 7 for 8 ohm, 3.2 for 4 ohm
Moving mass: 6 g
BL: 5
Piston diam: 87 mm
Piston area: 59 mm^2
Magnet: 230 g
Air gap height: 5 mm
VC height: 6.3
Fs: 65
Compliance: 1.25 mm/N
Vas: 5.2 liters
Qms: 3.8
Qes: .66
Qts: .56


Studer Revox Forum B mk1 3-Weg HiFi-Box, 1983-1986, made in Germany


Link: hifi-wiki | radiomuseum

Generally
  • Manufacturer: Revox
  • Model: B Forum
  • Made in: Germany
  • Color: real wood veneer walnut, dark stained
  • Dimensions: 320 x 510 x 325 mm (WxHxD)
  • Weight: 14.7 kg
  • Selling Price in Germany: 1600 DM/1983

Specifications
  • Type: 3-way
    • Woofer: 260 mm
    • Midrange: 38 mm (dome)
    • Tweeter: 19 mm (dome)
  • Load (Nenn-/Musikb.) : 90/120 W
  • empfolene amplifier power: 20-100 watts (RMS per channel)
  • Distortion: 0.5%
  • Transition regions: 33-24000 Hz
  • Crossover frequencies: 820/2600 Hz
  • Level controls Mid Level at 1kHz: 14/18 dB / oct.
  • Level controls High level at 10 kHz: 24/28 dB / oct.
  • Overload Protection: Overload protection of the tweeter by fuse
  • Connection: slide clamps
  • Impedance: 4 Ohm