Wurlitzer One More Time Vinyl, Operating Instructions Manual, Page: 11 / 42

Coin and credit programming
OMT VINYL – edition: 13.08.2007
9
4 Device description of the amplifier K99
The amplifier K99 is optimised for universal use in Deutsche Wurlitzer GmbH jukeboxes. Great
importance had been attached for an easy handling and stand alone function without the S&CC unit.
The output power is designed for the standard used internal speakers of Deutsche Wurlitzer GmbH
jukeboxes.
DETAILS:
Standard equipment:
! Hybrid power stage technology, short circuit and over temperature protected
! 2 inputs (stereo): CD and tape
! 1 mono input for optional microphone kit
! Volume control with 2 pots onboard
! Volume control possible with pots and / or IR at the same time. The pot used at last determines
the volume.
! The wired remote box is accessible from the machine rear wall with 2 volume control pots, cancel
and mute button (mute with toggle function).
! Bass and treble control with pots
! BGM volume reduction, controllable with pot
! Automatic volume correction (AVC), switchable
! 2 channel operation switchable, RH = internal speakers, LH = external speakers
! Status display with 7segment display
! Independent controllable RCA output to connect external amplifiers
! For use with the old and the new changer mechanism.
!
Optional:
! Remote control with large distance range. Functions: track selection / volume chan. 1 / volume
chan. 2 / mute (toggle) / cancel
! 70v output transformer
! Microphone kit
5 Technical data K99
General USA / Canada
Supply 100v - 240v 117v
Mains frequency 50cps - 60cps 60cps
Input voltage CD typ. 1.2v typ. 1.2v
Input voltage tape 300mv 300mv
Output voltage pre amplifier <=1veff <=1veff
Output power 2 x 55w (rms) 2 x 55w (rms)
Output impedance min. 4ohm min. 4ohm
Transmission range 20cps - 20,000cps 20cps - 20,000cps
Distorsion factor < 1% < 1%
Noise level Depending on the adjusted volume of the jukebox
noise levels of more than 70 dB(A) can be reached.