There aren’t many iPod docks with tubes around—and those that seem to be quite ‘spensivo. The iTPA-220 from Dice is a cheaper alternative for fifth-generation iPods, boasting a pair of perky Dual 6N3 tubes and 2×20-watt speakers.
https://gizmodo.com/roth-mc4-music-cocoon-ipod-dock-is-a-series-of-real-tub-241538
iPod tube preamplifier
– True, audiophile quality music
– iPod charging
– Video output for use with Video iPods
– Remote control functions include: volume
control, mute, next/previous track, play/pause
– Dual 6N3 tubes for a warm analog sound
– iPod compatible docking station
– Auxiliary input for additional audio devices such as computers, non-Apple MP3 players and so on
Active Speakers
– Built in 2×20 Watt solid state amplifier
– 4″ mid/bass driver and 1″ dome tweeter for full dynamic range
– Solid constructed wood acoustic structure enhances the audio quality
– Bass reflex port for increased bass response
– 1/8″ audio in.out connectors for preamplifier
– audio cables included
Costing $299, the iTPA-220 is shipping in September, but you can pre-order it on the Dice site now. [Dice Electronics via Playlist]