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Low  Noise Stereo 
Preamplifier 

Model SP 5200 

SERIALNO. 

OPERATING 

ANDSERVICE 

MANUAL 

BurUlen 

LABORATORIES 

0

1  l

S

F  OHMTEC  CORPORATION 

ESEX  TURNPIKE.  BURLINGTON.  M A S S

01803  (617)  273-1488 

Содержание SP 5200

Страница 1: ...Low Noise Stereo Preamplifier Model SP5200 SERIALNO OPERATING ANDSERVICE MANUAL BurUlenLABORATORIES 01 lSI F OHMTEC CORPORATION 2 9 I ESEX TURNPIKE BURLINGTON MASS 01803 617 273 1488...

Страница 2: ...utputs Center Channel Output Speaker Equalizer Headphones SYSTEM CHECKOUT POWER AMPLIFIER BALANCING PHONO GAIN ADJUSTMENT Model SP5200 OPERATION RECORD MONITOR VOLUME 0 15 DB MODE Copying a Tape FOUR...

Страница 3: ...Lo r oise Stereo PreantpliHer lodel SP5200...

Страница 4: ...expert and the novice T e operating controls consist of a RECORD source selector MONITOR MODE 0 or 15 DB and a pair of VOLUME controls By using a pair of closely spaced accurately matched slide potent...

Страница 5: ...0KHZ J V 10 DBM 15 10KHZ P 20 25 FIGURE 1 LOW NOISE PHONO PREAMPLIFIER Noise due to the usual47k input resistor is reduced 10 dB by using instead 499k with feedback to reduce its effective value 47k o...

Страница 6: ...to 55DB 47 k or 100 k PHONO INPUT SOURCE TAPE 1 TAPE 2 TUNER SPARE ODB RECORD L MONITOR ___ ______ TA_P_E_1 SELEGTOR TAPE2 AUX 240 k INPUTS ODB se OISE 2 Hz _ _ a s ent CO OLS 5 S 95 dB min below rat...

Страница 7: ...be connected ben eei SPEAKER EQUALIZER jacks Q to the VOLUME control The MAIN output signals are at the prope e ei ee your power amplifier A CENTER CHA EL OlT L is provided for feeding a front center...

Страница 8: ...ird tape playback input Alternatively it can be tap ped into the external signal processing chain for monitoring a partially processed signal as illustrated in Figure 3 Main Outputs The two pairs of m...

Страница 9: ...set LOW and is re duced to 80 mV when the switch is set HIGH For 40 dB of gain then it is preferable to set the potentiometers near maximum and the FEEDBACK LOAD switch LOW Overall the combined gain a...

Страница 10: ...Open inputs may pick up slight hum via leakage through cable shielding or proximity of the power cord to the input jacks This hum will disappear when connected to a low impedance source Care Of Your...

Страница 11: ...UT AMPLIFIER CENTERCHANNEL OUTPUT PHONO r OUTPUT LEFT PHONOINPUT GND RIGHT OUTPUTI IINPUT rSPKREQ AUX I TO FROM r r L C0 r r R TUNER TAPE l TAPE2 EXT PROC I EXT PROC 21 S Er fhP Y F I F I t i i t r l...

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