• Country
• United States of America (USA)

• Manufacturer / Brand
• Sherwood, Chicago

• Year
• 1958 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 166223

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 9

• Valves / Tubes
• 12AX7 12AX7 6AQ6 7199 or 6BA8A 6BQ5 6BQ5 6BQ5 6BQ5 5AR4

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 36 W (72 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: S-1000-II [9 tubes] - Sherwood, Chicago

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 14 x 4 x 10.5 inch / 356 x 102 x 267 mm

• Notes

• Integrated mono amplifier. Preamp equalizer curves: LP, AES/RIAA, LONdon, EURopean, NARTB tape and flat MICrophone.

  Outputs: 16, 8, 4 ohm speaker.
  Inverse feedback: 18 dB
  Damping factor 10:1 normal
  Frequency response: 20 cps to 20 kc +- 1 dB
  Sensitivity: Radio 0.18 V, Phono 1.8 mV adjustable

  Different model variants:

  • "S": chassis less case with white panel, $109.50
  • "A": brown or "B" black flextone case, $114.50
  • "C": hahogany gold-tooled "Classic" leatherette case, $119.50
  • "J": black, "T" tan or "W" white gold-tooled "Contemporary" leatherette case, $124.50

  The Sherwood S-1000-II amplifier was revised multiple times, including different tube line-ups etc.

  The SAMS Photofacts folder shows a revised version with 6BA8A instead of 7199. Below serial number 10,000 12AX7 cathode follower was used.

• Net weight (2.2 lb = 1 kg)
• 24 lb 0 oz (24 lb) / 10.896 kg

• Price in first year of sale
• 109.50 USD

• Mentioned in
• -- Original prospect or advert

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 5-59, Set 441, Folder 14)

• Literature/Schematics (2)
• Hi-fi yearbook "Hi-fi Music at Home", Sleeper Pub., 1958

• Literature/Schematics (3)
• Hi-Fi and Music Review, April 1958

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 117 models, 103 with images and 40 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sherwood, Chicago