Amplifiers & receivers
T4
About this equipment
Douk Audio T4 tube headphone amplifiers (six units). Inexpensive Chinese 6J4/6P6 SET headphone amps used as a multi-seat listening bar at Equipment Room.
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Shop T4 PRO on Amazon ↗Affiliate link · As an Amazon Associate I earn from qualifying purchases.Related variant: T4 PRO; the documented preamp is T4.
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Where to hear it
- Equipment RoomUnited States · 6 × T4
Equipment notes
6 × T4