Musicians Tool Box

Description

Introducing the VTTB-180 Tube Bass/Guitar Pre-Amp/ Tube Direct Box/ Mini Amplifier

The Famous Demeter Tube Bass/Guitar Pre-amp, Tube direct, 180 Watt Amplifier All in a 10x7x2 package. Small enough to fit on your Gig bag or on Pedal board. No worries when your on the road or doing a studio session. You will no longer be a victum of terrible backlined amplifers and direct boxes. You can bring your great sound with you whereever you travel.

Features

Based on Classic VTBP-201 super clean tube pre-amp circuitry. Hand wired in the USA using High quality components, DC filament, full 220V high voltage supply. Passive tube tone controls Treble, Middle, Bass. The unit has a TRS Balanced and unbalanced line level pre-amp outputs if you need to run more power amplifiers (like our Minnie 800D) The power Amplifier delivers 100 Watts RMS into 8 ohms and 180 watts RMS into 4 ohms There is a Speakon combo jacks on the back to hook up your speakers. The unit comes with Jensen/Cinemag Balanced Microphone level studio out that is selectable Pre or Post EQ. For pedal board use, the Tool Box has a 9volt 300 mA pedal power supply to power your pedals.

Specifications

Inputs: One instrument level 1/4” jack. Tone section: Treble Control: The treble control gives 6 dB of boost or cut at 4 kHz (6dB per octave, shelving type). Middle Control: The middle give 6dB of boost or cut at 500Hz (wide Q, peaking type). Bass Control: The bass control gives 9dB of boost or cut at a frequency of 80Hz (6dB per octave, shelving type). Internal Volume Trimmer: Factory set for most aplications. This control is designed to adjust the output volume of the Tool Box with the sensitivity of Instrument. Outputs: Balanced TRS output: Line level solid state driven balanced output For Studio use or to drive balanced in Powe amplifiers. Unbalanced out /1/4”: jack to run unbalanced power amps Studio/Stage Output: Tool Box features a mic level Jensen or CineMag output transformer for a balanced studio output for the best isolation and ground lift. Power Amp Outputs: Operating at 4 (400w), 8 (250w) or 16 ohm (150w). 1/4” & Speakon Preamp Specifications Input impedance: > 1meg ohm Output impedance (line): > 1 kohm, (unbalanced) 600ohm 3 pin Balanced Minimum load impedance: 10K unbalanced output/ 1K Balanced output Maximum output: + 20dBV EQ gain : + or – 12 dB Signal to noise ratio: – 90dB THD : .5% Frequency response : 10Hz to 40kHz Tube: Hand Selected 1-12AX7a Outputs (preamp): 1/4” unbalanced , TRS Line level, Jensen/ CineMag microphone level output Operating voltage: 115V or 230V AC Tube Power supply: 220V DC Filament: 12.6V DC 9V 300mA pedal power suppy out Power Amp Specifications Outputs (power amp): Speakon/1/4” Combo Speaker jacks Output impedance (power amp): 4 ohm, 8 ohm, 16 ohm Output Power (power amp): 180 watts RMS @ 4 ohms, 100 watt RMS @ 8 ohms 80 watts @ 16 Ohms