akg-k4
  1. MDR30

    AKG K4 electret/dynamic classic PICS

      AKG K4 Not much has been written about the fascinating electret/dynamic AKG K4, so I thought I’d share some of my findings.     First off, this is quite an engineering feat. This headphone was introduced in 1983, I think, and of course it appeared in the wake of the Sennheiser...
  2. Trav

    AKG K4 K 4

    Looking mighty tasty can i get some feedback?
  3. AKG K4

    AKG K4

    Stolen from Wikiphonia: Transducer: Electrostatic-Dynamic Hybrid Type: Supra-aural, Semi-open Frequency Range: 20 - 25000 Hz SPL at 1kHz: >= 92dB Impedance: 400 Ω Power Handling Capacity: 200mW THD: <= 1% Contact Pressure: 2N Weight (w/o cable): 65g (2.3oz) Cable: 3m (10 ft.) dual...
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