Electro-Harmonix POG2 Polyphonic Octave Generator Guitar PedalSebastianCharles Auctions4.6(128)US$50Jun 02, 2026
Vintage Knight Model 94 SX 712 Tube Preamplifier Allied Radio Corp Audio EquipmentLodestar Auctions4.7(452)US$25
Alexander Dumble | A Vintage Seeburg Tube Amplifier Owned by DumbleJulien's Auctions4(79)US$250(3 bids)May 30, 2026
Custom Built Vintage Tube Amplifier Audio Mixer Parts Repair DIY ProjectLodestar Auctions4.7(452)US$100
Vintage Grommes Tube Audio Set Pre-Amplifier Power Amplifier Tuner Hi-Fi SystemLodestar Auctions4.7(452)US$600
