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History of the manufacturer  

Ampeg (Portaflex); Linden, NJ

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Name: Ampeg (Portaflex); Linden, NJ    (USA)  
Abbreviation: ampeg
Products: Model types

The Ampeg Company, Inc.
Linden, New Jersey

Product line: Portaflex

Mainly known for its tube amplifiers for bass and to a lesser extend for guitar in the sixties and seventies.

Founded: 1946

Ampeg is originally established in 1946 in Linden, New Jersey (USA) by Everitt Hull and Stanley Michaels as "Michael-Hull Electronic Labs".  The company name changed to “The Ampeg Bassamp Company” in 1948 to reflect the main activity of building tube amps for bass.  The company name evolved to “The Ampeg Company” in 1956 and became “The Ampeg Company, Inc.” in 1959.  Today Ampeg is part of the Yamaha Guitar Group and is still manufacturing tube amps for bass.

This manufacturer was suggested by Dirk Taekels.

Some models:
Country Year Name 1st Tube Notes
USA  60 625D 6SN7  Instrument-amplifier 
USA  61 Jet-Amplifier J12-A 6SL7  instrument-amplifier 
USA  61 Jet-Amplifier J12-B 6SL7  instrument-amplifier 
USA  62 Jet-Amplifier J12-D 6BK11  instrument-amplifier 
USA  63 AC-12 12AX7  instrument-amplifier 
USA  60 Echo-Jet EJ-12A 6D10  Instrument-amplifier. 
USA  60 Reverberocket 2 GS-12R 12AX7  instrument-amplifier 
USA  55 G12 12AX7  Instrument-amplifier. 
USA  56 Gemini II (2) G-15 12AX7   
USA  55 Gemini VI GS-15R 12AX7  instrument-amplifier 
USA  55 Gemini 22 GV-22 12AX7  instrument- amplifier 
USA  55 SB-12 12AX7  instrument-amplifier