• Country
• Italy

• Manufacturer / Brand
• LESA ; Milano

• Year
• 1957

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 294588

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

• Number of Tubes
• 6

• Valves / Tubes
• ECC83 ECC83 ECC81 6L6G 6L6G 5X4G

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 160; 220 Volt

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

• Power out
• 25 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Amplificatore 525-T/2 - LESA ; Milano

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 330 x 210 x 190 mm / 13 x 8.3 x 7.5 inch

• Notes

• Amplificatore Lesa mod. 525 T/2 con 2 ingressi per microfono e 1 per fonorivelatore.

  Entrata: micro 5 mV, fono-radio 200 mV - 0,3 Mohm
  Uscita: 8 - 25 - 100 - 400 ohm - regolabile mediante spostamento ponticelli
  Potenza uscita: 20 W (distorsione < 1%); 25 W (distorsione < 5%)
  Risposta: 50 ~ 20.000 Hz ±1 dB
  Toni alti e bassi separati: regolazione +10 ~ -15 dB a 100 Hz e 10.000 Hz

  Del modello 525-T/2 esistevano anche le varianti:

  • 525-T/2A con un ulteriore ingresso per fotocellula;
  • 525-U/2 con alimentazione normale di rete ed alimentazione per batteria a 12 V.

• Net weight (2.2 lb = 1 kg)
• 11 kg / 24 lb 3.7 oz (24.229 lb)

• Price in first year of sale
• 47,000.00 ITL

• Author
• Model page created by Gianluigi Miazzi. See "Data change" for further contributors.

• Other Models

• Here you find 238 models, 208 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from LESA ; Milano