Johnson Vintage B70 Instruction Manual Download Page 5

5

TECHNICAL SPECIFICATIONS

POWER SUPPLY

110/115VAC/50Hz~60Hz

POWER OUTPUT:

70 watts RMS @ 8 ohms 

SENSITIVITY (gain at max):

91 dB

LOAD IMPEDANCE:

8 ohms

INTERNAL SPEAKER:

12” Woofer & 2.5” Tweeter

INPUT:

1/4” Mono Jack

OUTPUT:

1/4” Mono Jack 

 

DIMENSIONS:

17.25”(W) x 18.5”(H) x 11”(D)

WEIGHT

(approx.):

35 lbs.

Summary of Contents for Vintage B70

Page 1: ...Vintage Series Bass Amplifier INSTRUCTION MANUAL MODEL Vintage B70...

Page 2: ...the cable from your instrument s output jack to this jack This jack is provided for instruments that have extremely high outputs that can result in distortion when connected to High Input Jack 3 PRE S...

Page 3: ...nic tuner or an external power amp 11 POWER ON OFF INDICATOR LED glows when the unit is turned on 12 POWER SWITCH This switch turns the unit ON and OFF 13 POWER AMP JACK Used to connect to the line le...

Page 4: ...e All settings are done with TWEETER SWITCH back of amplifier on Organ Punchy Acoustic Electric Bass Electric Funk Bass Acoustic Settings done with 3 Band EQ 3 Band EQ with Presence set flat no boost...

Page 5: ...10 115VAC 50Hz 60Hz POWER OUTPUT 70 watts RMS 8 ohms SENSITIVITY gain at max 91 dB LOAD IMPEDANCE 8 ohms INTERNAL SPEAKER 12 Woofer 2 5 Tweeter INPUT 1 4 Mono Jack OUTPUT 1 4 Mono Jack DIMENSIONS 17 2...

Page 6: ...ct SERVICING Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards Refer all servicing to qualified service personnel HEAT...

Page 7: ...OR MOISTURE DANGEROUSLY HIGH VOLTAGE IS PRESENT INSIDE THE ENCLOSURE DO NOT OPEN THE CABINET REFER SERVICING TO QUALIFIED PERSONNEL ONLY This symbol warns the user of danger ous voltage levels localiz...

Page 8: ...anty is not transferable by the Purchaser The warranty shall not apply to wearable parts these items include but are not limited to amplifier knobs feet and handles This warranty shall not apply if th...

Reviews: