PARTRIDGE
ELECTRONICS
54-56 Fleet Road, Benfleet, Essex. SS7 5JN
SECTION
26
AUDIO & STUDIO EQUIPMENT
INDEX PAGE                 ENQUIRY FORM                 ORDER FORM                 GENERAL INFO
 
HELPING MAKE YOUR AUDIO SYSTEM RUN SMOOTHLY
 
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:-AU100 Unbalanced in /out WITH TERMINAL BLOCKS 
£180-00
Order Code:-AU101 Unbalanced in /out  XLR's +IEC CONNECTORS  
£205-00
Order Code:-AU102 Transformer balanced out WITH TERMINAL BLOCKS   
£225-00
Order Code:-AU103 Transformer balanced out XLR's +IEC CONNECTORS   
£250-00
Order Code:-AU104 Unbalanced in /out WITH TERMINAL BLOCKS     (TWIN )
£220-00
Order Code:-AU105 Unbalanced in /out  XLR's +IEC CONNECTORS  (TWIN )
£255-00
Order Code:-AU106 Transformer out WITH TERMINAL BLOCKS     (TWIN )
£295-00
Order Code:-AU107 Transformer out XLR's +IEC CONNECTORS   (TWIN )
£330-00
 
STEREO SIX OUTPUT DRIVER
Self contained mains powered easy way to provide additional signal drives
from a piece of equipment ie:- cassette player, C.D., mixing desk etc.
Drives into 200R or higher, two alternative types of output available,
unbalanced or transformer isolated balanced floating output drive.
In ABS enclosure W250 x H200 x D65mm with mains power supply.
Audio in and out, & mains terminal blocks or XLR+IEC connectors.
INPUT
 Unbalanced 10K
IMPEDANCE
 Balanced 600R
OUTPUT IMPEDANCE Unbalanced 200R
(To drive greater than) Balanced 600R
FREQUENCY
 Unbalanced output (+/- 1.5dB) 25Hz - 28KHz MAX. GAIN 10dB
RESPONSE
 Tran. balanced out (+/- 1.5dB) 32Hz - 24KHz MAX. GAIN 11dB
       
Order Code:-AU110
NON ISOLATED UNBALANCED IN & OUT
TERMINAL BLOCKS
£125
Order Code:-AU111
NON ISOLATED UNBALANCED IN & OUT
XLR's +IEC CONNECTORS
£245
Order Code:-AU112
TRANSFORMER ISOLATED OUTPUTS
TERMINAL BLOCKS
£365
Order Code:-AU113
TRANSFORMER ISOLATED OUTPUTS
XLR's +IEC CONNECTORS
£485
 
PORTABLE HEADPHONE AMPLIFIER
Takes normal line level output and
amplifies signal to drive headphones
Battery powered for maximum
flexability and versatility
Fitted with Volume control
Size:-70 x 35 x 135mm
Order Code:-27-C00328 £30-08
Requires PP3 battery (not supplied)
 
STEREO HEADPHONE AMPLIFIER
Headphones may be connected to most audio devices
with no headphone socket. Also a means of
providing amplified audio, with volume control.
Fitted with Volume and Tone controls
May be used with two pair of Headphones 20 - 200R.
Size:-90 x 65 x 60mm
Order Code:-27-C1574 £33-47
Input signal -250-750mv.
Input impedance10K
 
PORTABLE STEREO HEADPHONE AMPLIFIER
Headphone amplifier allows user to listen to whatever
the microphone is actually picking up whilst recording.
Designed so that it does not interfere
with the signal being recorded.
Fitted with output volume control and ON / OFF switch
Size:-70 x 30x 110mm
Hear exactly what you are recording
super low 0.2% distortion
Requires PP3 battery (not supplied)
Order Code:-CAV 01716  
£42-00
 
TV STEREO HEADPHONE AMPLIFIER
allows stereo Headphones to be connected to
TV or VCR by means of SCART connector
Fitted with volume and tone controls
Size:-140 x 40x 100mm
May be used with two pair of Headphones 20 - 200R
Order Code:-CAV 01575
£36-49
Input:-250-750mv
Imp.10K
 
FOUR OUTPUT STEREO HEADPHONE AMPLIFIER
Each of the four Headphone outputs
fitted with individual volume control
Max input signal +14dBv
Max. gain 20dB
THD 0.01%
Output impedance 51R
For use with 150R - 2K headphones
Connections stereo 1/4" jack sockets
Size:-150 x 75 x 38mm
Order Code:-27-C11391
£64-00
Complete with mains adaptor
 
FOUR OUTPUT STEREO DISTRIBUTION AMPLIFIER
PRO unit has a 20Hz to 60KHz bandwith
Input impedance of 20KHz * Unity signal gain
S /N ratio -75dB * THD 0. 3%
Connectors RCA (phono) type
Size:-25 x 175 x 100mm
With mains adaptor
Order Code:-C27-12153
£114-00
 
STEREO AUDIO SELECTOR SWITCH
This three way audio selector switch
provides three stereo inputs via
RCA (phono) sockets
Size:-125 x 100 x 42mm
This pasive device
requires NO power supply
Order Code:-C27-70061
£8-97
   
 
THREE & FIVE WAY STEREO AUDIO SELECTOR SWITCHES
A superior quality product to enable the
easy selection of various audio sources
without the drudgery of pluging unpluging
cables every time you require a new source.
Easy press button selection
Uses standard RCA (phono) connections
Easy to use attractive design
Surprisingly low cost
Size:-3way 43 x 135 x 85mm
5 way 43 x 190 x 85mm
THREE INPUT
STEREO UNIT
Order Code:-C27-71522
£9-24
FIVE INPUT
STEREO UNIT
Order Code:-CAV01040
£13-50
 
STEREO SOUND ACTIVATED CHANGE-OVER SWITCH
Technical:-
Signal input
-10dB to +10dB
Input imp.
U / B 10K     Bal 600R
Output (min load)
U / B 1K     Bal 600R
Controls:-
Fitted with sensitivity control
to determine switching level.
Adjustable delay 15-90 sec.
to compensate for normal
short periods of dead AIR
Available with second relay
for remote signalling.
DP/DT 50V 100mA max
AUTOMATIC CHANGE-OVER BETWEEN
MAIN AND STAND-BY PROGRAMME
IN EVENT OF LINE OR COMPUTERISED
PROGRAMME FAILURE. AUTOMATICALLY
SWITCH TO ALTERNATIVE SIGNAL SOURCE
THUS AVOIDING DEAD AIR TIME, RETURNS
TO ORIGINAL SOURCE ONCE RESTORED
In ABS enclosure W250 x H200 x D65mm
Complete with 230/240 mains power supply.
IN ABS ENCLOSURE
Order Code:-AU120 Unbalanced in /out WITH TERMINAL BLOCKS
£132-00
Order Code:-AU121 Unbalanced in /out WITH  XLR's +IEC CONNECTORS
£194-00
Order Code:-AU122 Transformer balanced in and out MAIN SIGNAL ONLY TERMINAL BLOCKS
£257-00
Order Code:-AU123 Transformer balanced in and out MAIN SIGNAL ONLY XLR's +IEC CONNECTORS
£323-00
Order Code:-AU124 Unbalanced in /out (board only)
£87-00
Second relay fitted on any of above
£12-00
 
STEREO SOUND ACTIVATED FADE IN / OUT CHANGE-OVER
Signal input
-10dB to +10dB
Input imp.
U / B 10K
    Bal 600R
Output (min load)
Un-bal. 1K 
    Bal 600R
Controls:-
Fitted with sensitivity control
to determine switching level.
Adjustable delay 15-90 sec.
to compensate for normal
short periods of dead AIR
IN ABS ENCLOSURE
With mains power supply.
Failure of main programe input
automatically activates a smooth
change-over to an alternative
source thus avoiding posible
long periods of dead air time.
Automatically fades back to
original programe source
once normal programe returns.
Enclosure size:-
W250 x H200 x D65mm
Order Code:-AU130 Unbalanced in /out WITH TERMINAL BLOCKS
£260-00
Order Code:-AU131 Unbalanced in /out  XLR's +IEC CONNECTORS
£320-00
Order Code:-AU132 Transformer in and out MAIN SIGNAL ONLY WITH TERMINAL BLOCKS
£390-00
Order Code:-AU133 Transformer in and out MAIN SIGNAL ONLY XLR's +IEC CONNECTORS
£460-00
Order Code:-AU134 Unbalanced in /out (board only)
£190-00
STEREO MIC / R.I.A.A. PHONO PRE-AMP
Allows Microphones
or Magnetic Cartridges
to be connected to
most domestic or
commercial audio
units & amplifiers
Fitted with
Mic. / Phono
Switch
Technical
data
Input imp.
50K
Output imp.
10K
Gain
50dB
Max. input
1. 8V rms
S to N ratio
48dB
Power adaptor
240V ac
Stereo Mic. socket 6.35mm
Phono Sockets in / 0ut
Phono
Order Code:-AV26-01280
£32-28
With mains AC /DC power adaptor
STEREO AUTOMATIC AUDIO LEVEL CONTROL
Up to 20dB gain
reduction /gain
2:1 / 10:1 reduction
Phono RCA connections
Size:-140 x 100 x 34mm
Decrease volume fluctations
between quiet and loud portions
of music and speech but still
maintain the dynamics
PREVENTS HARSH
VOLUME INCREASES
Order Code:-AV26-12779
£26-64
With mains adaptor
STEREO R.I.A.A. PRE-AMP
RIAA pre-amplifier
enables turntable output
to be connected to most
domestic or commercial
audio units & amplifiers
Integral Mains
power supply
Technical
data
Input imp.
50K
Output imp.
50K
Gain
34dB
Max. input
1. 8V rms
S to N ratio
50dB
Power
240V ac
Sockets in / 0ut
Phono
Order Code:-AV26-12746
£18-08
13A Mains Plug
 
ON AIR ILLUMINATED SSUDIO 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:-AU140 ILLUMINATED SIGN ONLY £52-00
Order Code:-AU141 SIGN WITH REMOTE CONTROL SWITCH £73-00
 
R.F. TUNERS
R.F.TUNERS.. FM (87-108MHz) Medium Wave & Long Wave
Mono or stereo F.M. tuners two pre-set frequencies
AFC button and rotary gain control.
(stereo model with stereo L.E.D. carrier indicator).
Also Medium and Long wave A.M. tuners
All models fitted with
Two multi turn pre-sets for setting frequencies
Front panel fitted with channel selector switch
Boards require 24 volt DC.
Front panel H115 x W50mm. depth 150mm.
Order Code:-AU150
MONO F.M. TUNER
MODULE ONLY 300mm CABLES (NO CONNECTOR)
£56-00
Order Code:-AU151
STEREO F.M. TUNER
MODULE ONLY 300mm CABLES (NO CONNECTOR)
£64-00
Order Code:-AU152
MONO F.M. TUNER
WITH POWER SUPPLY IN CASE WITH TERMINAL BLOCKS
£136-00
Order Code:-AU153
STEREO F.M. TUNER
WITH POWER SUPPLY IN CASE WITH TERMINAL BLOCKS
£142-00
Order Code:-AU154
MONO F.M. TUNER
WITH POWER SUPPLY IN CASE XLR's +IEC CONNECTOR
£166-00
Order Code:-AU155
STEREO F.M. TUNER
WITH POWER SUPPLY IN CASE XLR's +IEC CONNECTOR
£174-00
Order Code:-AU156
MW or LW TUNER
MODULE ONLY
£64-00
Units supplied as illustrated or in ABS enclosure W250 x H200 x D65mm
 
STEREO THREE WAY SPEAKER SWITCH
CONNECTIONS ARE VIA
PUSH TERMINALS
POWER RATING 50W RMS
SIZE:-137 X 46 X 105MM
Allows one, two or three pairs
of speakers to be selected in
any combination by use of the
three ON / OFF press buttons
Order Code:-CAV02039 £13-00  
 
STEREO FOUR WAY SPEAKER SWITCH
CONNECTIONS ARE VIA
PUSH TERMINALS
POWER (max.) 100W RMS
SIZE:-177 X 48 X 107MM
Allows one , two, three or four
pairs of speakers to be selected
in any combination by use of the
four ON / OFF press buttons
Order Code:-CAV01039 £17-80  
 
STEREO TWO AND FOUR WAY SPEAKER SWITCHES
Heavy duty 100W per channel
Any selection of two pairs
Heavy duty ON/OFF switches
Connections via spring loaded
push to use speaker terminals
SIZE:-177 X 45 X 105mm
Heavy duty 100W per channel
Any selection of four pairs
Heavy duty ON/OFF switches
Connections via spring loaded
push to use speaker terminals
SIZE:-177 X 45 X 157mm
Order Code:-CAV11670 TWO WAY £9-60
Order Code:-CAV11671 FOUR WAY £15-10
 
SPEAKER SWITCH WITH HEADPHONE OUTPUT
Progresive switched resistor
network ensures minimum of
8R load is seen by amplifier,
(when 8R speakers are used).
Front panel 1/4" stereo socket
for use with headphones.
Allows up to five pairs of
speakers to be selected in
any combination by use of
five ON / OFF switches
STEREO FIVE WAY
Order Code:-CAV08693
200W RMS (Max.)
 SIZE:-260 X 120X 54mm £19-86
 
STEREO SIX WAY SPEAKER SWITCH
Progresive switched resistor
network ensures minimum of
4R load is seen by amplifier,
(when 4R speakers are used).
Fitted with overload protection
Allows up to six pairs of
speakers to be selected in
any combination by use of
six ON / OFF switches with
with ON / OFF indicators.
Order Code:-CS01447 100W RMS (Max.) SIZE:-283 X 55X 173mm £39-68
 
MONO TEN WAY SPEAKER SWITCH
CONNECTIONS ARE VIA
PUSH TERMINALS
Metal case & rubber feet
POWER (max.) 100W RMS
SIZE:-260 X 120X 54mm
Allows up to TEN speakers
to be selected by use of
the TEN individual switches
Warning:-Make sure total
speaker load at all times is
within your amplifier limit.
Order Code:-CAV08694 £17-74
IDEAL FOR SOUND DISTRIBUTION SYSTEMS

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