Matchless Guitar Amp - SC30 1x12 EL84 30w Combo

From the listing

Seller's description

Thirty very conservatively rated watts from a quartet of EL-84’s, through two channels, each with unique voicing and tone control layouts, produce a world of tone choices. True “Class A” configuration gives rich, complex harmonics whether played clean, mildly overdriven, or with all out power tube saturation.  This means you should sound great in any situation, in any music style. A long list of musician designed features includes:  highly interactive tone controls and circuitries unique to each channel, bypassable master volume, individual channel effects loops, cut control for high frequency shaping, high and low (30 or 15 watt) power settings, selectable output impedance and phase inverter switches allow the use of additional speaker cabinets or amps in-phase with the SC-30. The preamp sections are based on a layout of two 12AX7’s in Channel 1 and one EF86 in Channel 2. The two 12AX7’s in Channel 1 create a parallel-triode circuit with interactive bass and treble. The one EF86 in Channel 2 consists of a high-gain pentode coupled to a six-position tone switch. Outright benefits include quick dial-in of new tones and an easy return to the settings you prefer.  Also “high treble” cut control, master volume, with a bypass feature that offers flexible control of the power amp section. The power amp is fed by a 12AX7 phase inverter, which drives four EL84 power tubes. The rectifier circuit gives you the flexibility of using one 5AR4 for a quick attack or you can use two 5V4’s for a smooth, round response. Other professional features include an effects loop, half power-mode switch (a conservative 30 watts switching to 15 watts), output impedance selector (4, 8, 16 ohms) and a speaker phase-reverse switch.