Sugden c51 schematic

Page 1

J. E. SUGDEN

C51 CONTROL UNIT
AND A51 POWER AMPLIFIER
INSTRUCTION LEAFLET

SPECIFICATION ~C5l

Rated output to Power Amplifier 600mV

Maximum output 1.5V

Output to Tape Recorder ISOmV from disc input correctly loaded, direct con-
nection radio and auxiliary

(All levels quoted 1- ldB unless otherwise stated).

O."
0...

Input sensiti 'ties and Impedance:
Magnetic cartridge
Ceramic cartridge

I

2.5mV into 68K equalised to Rt] A.A.
through plug in input adaptor to

I special inputt
:5 . Special 250 microvoltx basic Supplied {or maxi-
3 ob I equalised to R.I.A,A sensitivity 2 5 . mum out-
mV into 68K (can be equalised to put when
_ suit special requirements) driven into
n 0 Radio A5I
:1 to Tape I 150mV into 250K fiat response
- I _ I Auxiliary I
e . ~ ~
{5 III ,5 Overload Capabilities 25:18 on disc in; is infinite on radio, aux. and tape
5; g 5' inputs. :
fig 5 Total Harmonic Distortion Aux. disc, also c m 20dB (10x) overload with
E: 5 a (at I kHz) appropriate setting of volume control better than
§ § i 0.1 lmainl szcond harmonic) at a rated output
I a: II (0.25% at 1 V0111 outputl.
.; v. v
9'» I Q Frequency response
3 3,} (relative to 1 kHz. flat or relative l 0.5d8, 30 Hz 20kHz
- is to R I.A.A. as appropriate) '
i ,0 Signal to noise ratio (30 phon lSOmV inputs better than 85dB
.5. weighting) Magnetic cartridge input better than 75dB
; if lnterchannel crosstalk tlypgmlly 40dB 20Hz.~lOkI-Iz dependent upon input
) I 0.
. ..
' H Control Knobs
_. Bass I I4dB at 40Hz
l > Treble 1 MB at IOItHz
1 Volume Logarithmic 1Channel balance i IdB maintained to
g l 5DdB attenuation)
) o Balance {MB for 180° rotation, either channel eliminated at
' °° limits of rotation.
fl Push buttons to select

C5

Inpms

Rumble Filter

High frequency filter
H.F. Filter Slope
Function

Quiet

Power
Size
Weight
Mounting

DISC RADIO,iAUXILIARY~SPECIAL~ TAPE
IZdB per octave below 30Hz.

Out 4kHz 7kHz IOItHz

Gradual 6dB per octave, Steep 18118 per octave
Mono, Stereo. Input Left Input Right.

I6dB at lltHz. response corrected according to equal

loudness curve

16 volts at l3mA., obtained from A51 Power Amplifier
II x 33 x 63" (280 x95 x170mm).

6 lbs. 3 oz. (2.9 Kg).

Free standing or panel mounting with clamps supplied