1955-1960 Pro
(Narrow Panel Pro)

Year:

 1955-1960

Model:

 Pro

Model No:

 5E5 (55), 5E5-A (56-60)

Config:

 Combo

Control Panel:

 Chrome top facing w/ white screened labels, controls numbered 1-12

Conrol Layout:

 5E5: Ground Sw, Fuse (3A), Power Sw, Standby Sw, Pilot Lamp, Tone, Vol, Mic Vol, In, In, Mic In, Mic In
5E5-A: Ground Sw, Fuse (3A), Power Sw, Standby Sw, Pilot Lamp, Presence, Bass, Treb, Vol, Mic Vol, In, In, Mic In, Mic In

Knobs:

 Black pointer

Cabinet:

 Narrow panel, 20" x 22" x 10" (50.8 x 55.9 x 25.4 cm)

Cab Covering:

 Diagonal tweed

Cab Hardware:

 Leather Handle, glides

Grille:

 brown grille cloth

Logo:

 Cabinet mounted, Script "Fender Pro-Amp" on rectangular tag

Weight:

 ?

Speakers/Load:

 1 x 15"/8 ohms

Speaker Model:

 Jensen P15N

Effects:

 None

Output:

 18-25 Watts (5E5) or ? (5E5-A)

Preamp:

 5E5: Mic: 12AY7, Instrument: 12AY7, ½ 12AX7 shared by both channels
5E5-A: Mic: ½ 12AY7, Instrument: ½ 12AY7, 12AY7 and ½ 12AX7 shared by both channels

Power:

 2 x 6L6GB or 5881 (58-60)

Bias:

 5E5: Cathode biased
5E5-A: Fixed bias, nonadjustable

Rectifier:

 5U4GA

Phase Inverter:

 ½ 12AX7 (split load)

Comments:
  • Model 5E5 had the negative feedback loop is removed.
  • Model 5E5-A returned the negative feedback loop with the addition of the Presense control.
  • A selenium rectifier is used in model 5E5-A's bias circuit.