Archive for the harmony Category

Harmony H303a Guitar Amp Test

1965 Harmony 430 Vintage Tube Amp Valco USA 6162 Tremolo-Reverb 2×10 Jensen C10R

1965 Harmony 430 Vintage Tube Amp Valco USA 6162 Tremolo-Reverb 2×10 Jensen C10RUp for sale, a 1965 Harmony 430 tube amplifier in excellent condition and in good working order. Like many Harmony amps of this era, this amp was produced by Valco in the USA, parent company of Supro, National, Airline, and others and is […]

1966 Harmony H440 Vintage Tube Amp 2×12, Valco-Made Supro Thunderbolt Stereo

1966 Harmony H440 Vintage Tube Amp 2×12, Valco-Made Supro Thunderbolt StereoUp for sale, a 1966 Harmony H440 tube amplifier in exceptional condition and in good working order. Like all top-tier Harmony amps of this era, this amp was produced by Valco in the USA, parent company of Supro, National, Airline, and others. Both visually and […]

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