Tech Talk - Fender Pro-Amp (1959)

Model:
Pro

Model No:
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-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-A: Fixed bias, nonadjustable

Rectifier:
5U4GA

Phase Inverter:
½ 12AX7 (split load)

Comments:


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.



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Tech Talk - Fender Pro-Amp (1953)

Next installment in cool blues amps.

Year:
1947-1953

Model:
Pro

Model No:
5A5, 5B5, 5C5

Config:
Combo

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

Conrol Layout:
Fuse (2A), Power Sw, Pilot Lamp, Vol, Mic Vol, Tone/Power Sw, In, In, Mic In, Mic In

Knobs:
Black pointer

Cabinet:
TV Front, 19 7/8"H X 22"W X 10"D tapers to 8 3/4" (50.5 x 55.9 x 25.4 cm)

Cab Covering:
Vertical tweed (47-48) or diagonal tweed

Cab Hardware:
Leather Handle, glides

Grille:
brown mohair (47-48) or linen

Logo:
Cabinet mounted, block letter "Fender Fullerton, California" on rectangular tag

Weight:
?

Speakers/Load:
1 x 15"/8 ohms

Speaker Model:
Jensen F15N (Field Coil) or Jensen P15N

Effects:
None

Output:
18-25 Watts

Preamp:
Mic: 6SC7 or 12AY7 (later models)
Instrument: 6SC7 or 12AY7 (later models)

Power:
2 x metal envelope 6L6

Bias:
Cathode Biased

Rectifier:
5U4

Phase Inverter:
6SC7 or 12AX7(later models) (paraphase)

Comments:


A speaker jack and ex. speaker jack were installed under the chassis.
The filter choke was removed from the circuit on Model 5C5.
A separate On/Off switch was added durring the TV Front era.
A few TV front pros were covered in white vinyl as used on the two-tone champs.


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