Thanks to Mike Crouchelli's meticulous restoration, it performs like a brand new amp, but its refined tone is unmistakably vintage. The Old Lab Series Gibson Amps By Murph, Decemin The Gibson Lounge. The mismatched speakers offer an intriguing sense of balance, and it's interesting that this design has been lost with time. Vintage Gibson Amps (1954 - 1962) The Canadian Guitar Forum Vintage Gibson Amps (1954 - 1962) Want to Buy amp ga-20 ga-40 ga-55 gibson Leave A Review Message Buyer GuitarTalk (5.0) 2 reviews Ottawa, Ontario 5,000 CAD Looking for excellent to collector grade GA-20s, GA-40s, GA-55s, GA-200s, paying cash, willing to drive to pickup. In essence we are a gateway to vintage, rare and hand & custom built musical equipment, an. 1000+ dealers, builders & private sellers. This 1948/49 Gibson GA-30 pumps out a modest 15 watts, which produces rich tone at lower volumes. Marketplace for fine vintage & custom guitars, basses, drums, amps, effects. All of the original parts that were removed are included in the sale. Lastly, he replaced the power cord with a safe modern 3-prong cord. Any tubes that were not functioning 100% were replaced with period-correct NOS tubes. First on the bench is a Gibson Lancer amplifier, model GA-6 that first appeared in the 1960 Gibson catalogue with a list price of 135 (1,340 adjusted for inflation). Then, it was time to dig into the electronics! Mike replaced all of the power supply caps and tone caps, and he also checked all of the resistors and replaced any that were out of spec. Next, he re-coned each of the original Jensen alnico speakers. He was able to reuse the original grille cloth and logo. Second, Mike replaced the handle and recovered the cabinet in new brown leatherette covering. First, Mike removed the remaining bits of the covering and repaired the loose glue joints in the cabinet (which he was able to do while leaving all of the original cabinet pieces in tact). When Mike first received the amp, it was mostly original, but the leatherette exterior had deteriorated and some of the 70+-year-old cabinet glue joints had separated.
It was recently restored and improved by amplifier engineer Mike Crouchelli of Chelli Amplification in Durango, Colorado. This circa-1948/49 Gibson GA-30 is the rare two-knob version. It also sports a bass "Tone Expander” switch which inserts or bypasses a low-frequency blocking capacitor in the negative feedback loop of the Instrument channel. While most GA-30s have three knobs (including individual volume controls for each channel), the early GA-30 as shown in the 1949 catalog featured two knobs like the GA-25. This short-lived model featured two mismatched speakers: an 8" and a 12." In 1948, it was replaced by the GA-30, which shared much of the same specs but updated cosmetics. Introduced in 1947, the GA-25 was Gibson's first post-WWII amplifier that broke from the designs of their earlier prewar amps. Because of that, fantastic-sounding vintage Gibson amps are often overlooked. Everyone knows that Gibson was a leader in the development of the electric guitar, but even though their amplifiers produce fantastic tone, Gibson amps have never commanded the high values of comparable vintage brands.
0 kommentar(er)
