Audio Valve RKV HAA - Impressions Thread
Dec 25, 2020 at 3:19 AM Thread Starter Post #1 of 1

Another Audiophile

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Amplifier Specifications
  • OTL - transformer outless tube amplifier ( signal closed feedback loop in OTL concept )
  • double mono construction
  • Alps volume control ( or remote control as option )
  • output: 2 pcs. 6,3 mm stereo / XLR combi jack and 4 pin Sennheiser jack for headphones
  • input: 2 pairs of cinch and 1 pair XLR inputs
  • tubes: actual 4 x 6F5P (ECL85) earlier time: (PCL 85 or 18GV8 )
  • power output: each channel 8 watt on 220 ohms load per channel
  • bandwide: 15 - 100 000 hz
  • internal resistance: 0,3 ohms
  • 2 x 8 watt / 200 ohms load
  • distortion 0,002 % at 1 Watt-200 Ohm load
  • max. output voltage 100V
  • sens. 0dBm
  • IC - OPA134 - AC/DC controlled - full autom. - controlled bias
  • class - a / minimum load 35 ohms - maximum load 2000 ohms
  • power consumption min. 60 watt
  • size 370*270*140 mm (d.w.h.)
  • weight 6kg
  • Best ever remote control (A Volume down B volume up) *my contribution to the specification
  • Price 2800 Euro and available only through @StefanHAA and his Store in Amsterdam - Netherlands
Quote from the Designer

"Luminare is the godfather of the RKV HAA for Headphone Auditions Amsterdam. In contrast to the standard RKV2, the RKV HAA can drive higher currents even to low-resistance loads due to different tube equipment and a tuned OTL circuit design, which is 2 x 8 watts in the best case. In principle, the RKV2 cannot do that because it was designed for high-impedance headphones in 1982.
Stefan at Headphones Auditions Amsterdam had the idea to downgrade the Luminare in such a way that the entire STAX part was dispensed with and only the part that is required for dynamic and magnetostatic headphones.

With this modified concept, all those who did not have a STAX and did not need a STAX could enjoy the performance features of the Luminare.

There is also a reduction switch on the front for the GAIN, so that the volume of low-impedance headphones can also be fine-tuned"
 
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