Norman Audio

Used Jadis DA-7 Tube Power Amplifier (6550 tubes)

This amp, despite being marked as Defy-7, is actually Da-7 (The latest Defy 7 is called DA-7. The previous, older Defy 7 was called DA-7 luxe but this unit is NOT the older Da-7 DeLuxe). 

Specification

  • Power: 2×100 Watts at 1 kHz
  • Tube Compliment: 2 x ECC82/12AU7, 4 x ECC83/12AX7/7025, 12 x 6550
  • Inputs: Unbalanced RCA
  • MFR: 15 Hz – 100 kHz – 3 dB
  • THD: 0.06%
  • Input Impedance: 100 kOhms
  • Input Sensitivity: 750 mw
  • Dimensions: 10″ H x 20.2″ W x 23.5″
  • Weight: 115 Pounds

Review

https://smmwriter.com/wp-content/uploads/2017/10/Jadis-DA7-review.pdf

https://www.stereophile.com/content/jadis-defy-7-mkii-power-amplifier

https://hometheaterhifi.com/volume_12_1/jadis-da-7-amplifier-3-2005-part-1.html

US Retail Price: $13,900
Sale Price: S$5,300

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