PARTRIDGE
ELECTRONICS
54-56 Fleet Road, Benfleet, Essex. SS7 5JN
 
SECTION 20D
STUDIO ACCESSORIES
 
SECTION 20D :-  
STUDIO ACCESSORIES STYLUS ETC
 
Famous SONY Model  SDT9000
Bulk purchase half normal price
Digital Data Storage
brand new manufacturers stock
fully guaranteed
Order code 20D-035
Price:- £149-00
 
MICROMARK Quartz
Size:- 200mm Battery Powered
Order code:- 20D-053
Price:- £7-00
 
Stereo DJ Mixer Unit
Inputs:-DJ Mic with Talk Over
2 x Stereo with gain *
2 way EQ * Phono/ line switch *
selectable*
PFL *via Headphone feed
Cross Fade * LED Level Ind
Order code 20D-9448

Price:- £63-56

 
Budget Versatile Mixer
1 High quality Mic input *
5 Inputs Stereo CD/Tape *
2 Band EQ *
Cd/Tape inputs or
Main Mix Assignable
to Headphone feed
Order code 20D-9208
Price:- £49-00
 
Dividing Range 80Hz -16KHz
Dual High Low Controls
Mono Subwoofer output
Sub Cross over 75Hz or 120Hz
Order code 20D-0026
Price:- £85-27
Stereo Rack Mounting
Phase inverter Switch
2 / 3 Way Crossover
 
19" Rack Mounting
Power Conditioner
10 amp circuit breaker
8 Rear IEC Sockets
Protection against:-Surge *
Peak Voltage * RFI
Order code 20D-9776
Price:- £49-75
 
FOR USE AS SOUND RE-INFORCEMENT IN THEATRES,
PUBLIC BUILDINGS, FUNCTION HALLS,
EXHIBITION CENTRES ETC.
Available in varying power ratings from 100w - 300w per channel in mono or stereoThis range
of Mos-Fet power amplifier modules offer high quality audio power. They are used nationally
and internationally by professionals in the leisure, disc, public address & studio industries
where they are well known for their quality,reliability and performance. The 100w
100volt line models have successfully found a niche in hotel and hospital sectors.
The latest Mos-Fet devices have been utilised, together with a sophisticated circuit design.
The amplifier is fitted with special protection circuits to minimise the possibility of damage
to the output devices in the event of an open or short circuit to the transmision line,
these factors result in exceptional clarity and realism which is essential to compliment
today's high-technology sound equipment. As reliability is of prime importance, generous power
supplies are employed incorporating a toroidal transformer and glass fibre printed circuit board
mounted on solid aluminium chassis with extensive heatsinking.These features, and many
more combined with rugged construction, deliver a superlative level of reliability.
TECHNICAL DETAILS
DETAILS (per channel)
Input sens.
Input impedance
Max.Output R.M.S.
T.H.D. typical
T.H.D. max.out
S/N ratio
Slew Rate
Damping Factor
3dB Power Bandwidth
100w model
750m/v
10K
115w into 4R
105w into 8R
.002%
.01%
110dB
45V/us
>300
1Hz-50KHz
All Models
100w mono mode
100w stereo model
MECHANICAL
19" x 2u W425 x D234 x H80mm
19" x 3u W425 x D234 x H120mm
Front Panel finish
Semi Matt Black aluminium
Semi Matt Black aluminium
Outer Case
Morning Mist Santex Mild Steel
Morning Mist Santex Mild Steel
Panel controls
Gain control for each channel
Rocker type mainswitch
Panel Indicators
Green L.E.D. signal drive
Red L.E.D. indciates overdrive
Input Signal
Female 3 pin XLR P3 and P2
Pin 1 mechanical earth
output signal
(4-8R)
P1+ and P1- (low)
Speakon connector
(100V line)
P2+ and P2- (high)
Mains Input
Standard I.E.C. connector
230/40 volt A.C.
Order Code:-
20D-100M
20D-100S
Price:-
 
STEREO TO COMPOSITE MONO BUFFER DRIVER
Technical:-
Signal input
-10dB to +10dB
Input imp.
U / B 10K     Bal 600R
Output (min load)
U / B     1K     Bal 600R
Unbalanced output
(+/- 1.5dB) 25Hz - 28KHz
Tran. balanced out
(+/- 1.5dB) 32Hz - 24KHz
Unit accepts a 0dB stereo input signal
which produces electronically generated
composite mono output signal
at unity gain signal which drives
mono output driver
TWIN VERSION AVAILABLE
ACCEPTS TWO SEPERATE SIGNALS
TO MEET SPLIT DRIVE CONDITIONS
In ABS enclosure W240 x H190 x D90mm
Complete with 230/240 mains power supply.
IN ABS ENCLOSURE   
Order Code:-20D-100 Unbalanced in /out WITH TERMINAL BLOCKS 
£180-00
Order Code:-20D-101 Unbalanced in /out  XLR's +IEC CONNECTORS  
£205-00
Order Code:-20D-102 Transformer balanced out WITH TERMINAL BLOCKS   
£225-00
Order Code:-20D-103 Transformer balanced out XLR's +IEC CONNECTORS   
£250-00
Order Code:-20D-104 Unbalanced in /out WITH TERMINAL BLOCKS     (TWIN )
£220-00
Order Code:-20D-105 Unbalanced in /out  XLR's +IEC CONNECTORS  (TWIN )
£255-00
Order Code:-20D-106 Transformer out WITH TERMINAL BLOCKS     (TWIN )
£295-00
Order Code:-20D-107 Transformer out XLR's +IEC CONNECTORS   (TWIN )
£330-00
 
ON AIR ILLUMINATED STUDIO SIGN
MAINS
POWERED
FITTED WITH
TWO S.C.C.
STRIP LIGHTS
AVAILABLE WITH
OR WITHOUT
INTEGRAL
REMOTE CONTROL
May be used as free standing unit or wall fixing. Size W450 H170 D 100mm
Manufactured from mild steel finished in two tone ivory stove enamelled.
Front panel translucent heavy guage plastic internally screen printed.
End cheeks for access to connect mains supply and remote control where fitted.
The remote control circuit requires 24-30 V.DC. to operate opto coupled switch.
Order Code:-20D-140 ILLUMINATED SIGN ONLY £52-00
Order Code:-20D-141 SIGN WITH REMOTE CONTROL SWITCH £73-00
 
STYLUS ETC.
Numark
DJ Cartridge with
Diamond Tip Stylus
Fit most Head Shells
Order code 20D-7518
Price:- £18-80
 
Replacement Stylus for
NUMARK Cartridge
Order code 20D-7525
Price:- £27-32
Per Pack of TWO Stylus
 
SHURE M44-7 Cartridge
Tracking Force :-
1.5 - 3.0 gms
Order code 20D-7604
Price:- £51-22
 
SHURE M44-7 Stylus
For use with M44-7
Cartridge
Order code 20D-7606
Price:- £29-29
 
Anti Static Turntable Slip Mat
298mm Diamiter
Maze Patern
Order code 20D-8215
Price:- £3-99

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