Ceriatone OTS Mini 20 Скачать руководство пользователя страница 16

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This all seems kind of complicated, can you tell me where all of these controls are in the preamp so I have a better idea how to
set up my amplifier?

Clean and

OD Stage 1

Tonestack

ROCK/JAZZ

MID BOOST

PAB

Input Vol

BRIGHT

Clean and

OD Stage 2

OD TRIM

OD Stage 3

Level

OD Stage 4

Ratio

Master

FX Loop

Содержание OTS Mini 20

Страница 1: ...1 Ceriatone Overtone Special 20W Mini Lunchbox Amplifier User s Manual...

Страница 2: ...thin the series We have been pleased to provide many players access to our unique take on these legendary amplifiers Most recently we offered our first foray into the lunchbox format the OTS Mini 20W...

Страница 3: ...5 Plug the footswitch cable into the FOOT PEDAL jack on the rear panel of the amplifier 6 Set the OD TRIM control on the rear panel to 12 00 clock face 7 Set all rotary controls on the front panel to...

Страница 4: ...ht 1 POWER two way toggle switch 2 STANDBY two way toggle switch 3 INDICATOR LED 4 PRESENCE control 5 MASTER control 6 RATIO control 7 LEVEL control 8 BASS control 9 MIDDLE control 10 TREBLE control 1...

Страница 5: ...TOR does not turn on check your power cable connections and then the 2A slow blow fuse on the rear of the unit PRESENCE adjusts the high frequency response of the power amplifier using negative feedba...

Страница 6: ...s sound thicker and less scooped We particularly like MID BOOST with the overdrive mode With the toggle switch in the UP position MID BOOST is on In the DOWN position MID BOOST is off VOLUME adjusts t...

Страница 7: ...AL 5 pin DIN female jack 2 OD TRIM control 3 EFFECTS LOOP SEND instrument jack 4 EFFECTS LOOP RETURN instrument jack 5 IMPEDANCE three way rotary selector 6 SPEAKERS EXTENTION speaker jack 7 SPEAKERS...

Страница 8: ...ECTS LOOP RETURN instrument jack can be used to directly interface the power amp of the OTS thereby bypassing the preamp and using the amplifier as a power amplifier Conversely this is usually used as...

Страница 9: ...e event of tube failure Replace only when necessary MAINS FUSE 2A slow blow fuse used to protect your amplifier from voltage spikes or excessive current draw Replace only when necessary A C MAINS IEC...

Страница 10: ...UBE COMPLIMENT AND BIAS ADJUSTMENT From left to right V1 12AX7 ECC83 clean and overdrive stages 1 and 2 V2 12AX7 ECC83 overdrive stages 3 and 4 V3 12AX7 ECC83 phase inverter for power amplifier V4 6V6...

Страница 11: ...in near the rear of the chassis To measure your power tube bias carefully follow these steps with the amplifier in OPERATE MASTER at minimum and connected to a speaker load not doing so may damage you...

Страница 12: ...two pieces of information you need to know your amplifier s power tube plate voltage and the published value for maximum plate dissipation for the power tubes used in your amplifier To save you some t...

Страница 13: ...of the 1 Ohm resistor 4 Turn the bias potentiometer shaft SLOWLY until your DMM reads 24mV 5 Wait 1 minute 6 Recheck all power tube bias measurements 7 Readjust bias potentiometer shaft if necessary...

Страница 14: ...overloading Pedals do not have proper input impedance or padding ability and therefore do not play nicely For best results an effects loop interface like the C lator or Klein ulator should be used wi...

Страница 15: ...nd those used in the original amplifiers Vishay Dale RN65 precision metal film resistors 1W carbon film resistors SBE 6PS polyester film capacitors high quality ceramic disc capacitors Belton tube soc...

Страница 16: ...me where all of these controls are in the preamp so I have a better idea how to set up my amplifier Clean and OD Stage 1 Tonestack ROCK JAZZ MID BOOST PAB Input Vol BRIGHT Clean and OD Stage 2 OD TRI...

Страница 17: ...17 7 Settings templates...

Страница 18: ...18...

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