Pioneer SX-9000 service manual Usingmicrophones, Usingtape Decks Tape Recorders, 9 0 0

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USINGMICROPHONES

The SX-9000 permits the use of two microphones at once, for such purposes as recording a concert in stereo; even performances or dramas in large theaters can be efficiently recorded.

1.Turn the VOLUME - SOURCE knob all the way down if microphone recording only is desired.If mixed recording, combined with music from a record, etc., is desired,set the SOURCE knob to the best level.

2.Tii,e MIC LEVEL A knob controls the input from a microphone plugged into MIC jack A; knob B controls jack B. Tum either of these knobs to the right to increase input signal strength. Adjust the level while watching for "howling" (acoustical feedback of the speaker signal through the microphone). If this occurs, reduce the volume or separate the microphone(s) and speakers.If only one microphone is used, plug it into either jack. If setting the MIC LEVEL for another jach not being usedto

OFF, the sound will be reproduced from both speakers.

NOTE:

When adjusting the MIC LEVEL control, be careful not to cause

 

h o w l i n g .

 

Howling is of course unpleasantto hear, but it can alsodamage

 

the VU meter of your tape recorderor deck during recording .

3.If two microphones are used, the one connected to jack A will broadcast over the left channel, B the right. If you wish to use only one of these microphones at any time, tum the unused microphone level control off. Then the microphone used will broadcastover both channels.

USINGTAPE DECKS

AND TAPE RECORDERS

As shown in Fig. 9, signals heard from the speakersare normally fed to the SX-9000 TAPE REC A and B terminals. When recording, set the SELECTOR and MODE switches to your program source. Refer to the sections on Listening to Broadcasts and Listening to Records. Recording signals cannot be regulated by the SX-9000 VOLUME, BASS, TREBLE and TONE COLOR switches. These must be adjusted by the recording level control on the tape deck/tape recorder.

NOTE:

When using mono tape recorders,either the left channel signalor

 

the right channel signal may be recorded, but not both . The

 

CENTER CHANNEL terminal should thereforebe used .

TAPE MONITOR

With 2-head and 3-head type tape recorders fitted with monitor mechanisms,turning the TAPE MONITOR switch ON during recording has the following effects (if recording and playback heads are first connected): With the 2-head type, signals fed to the recording head can be monitored; with the 3-head type, signalscan be monitored immediately after recording.( SeeFig. 9. )

TJIONEEfiI

TAPE DECK B

. . . a r o . - -

. . . o I a - - -

s x - 9 0 0 0

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Contents RJIONEEIiI Specialoverload Protection FeaturesG H P E R F O R M a N C ET U N E R O L P R O O FM I C R O P H O N EU S EWordaboutroomacoustics InstallationLinevoltageselectionand Fuse StereosystemAM Antenna SpeakhrsystemconnectionsAntenna Groundconnections FM AntennaLot ConnectiondiagramMicrophoneconnection TurntTape Deckrecorder Connection NtableconnectionFrontpanelfacilities IndicatorC L E V E L C O N T R O L S Color Reverberation Cator IndicatorLancecontrol DE SiiiitchSelector E a K E R STone Color Tape MonitorListeningto Records Receptionof FMReceptionof AM 9 0 0 UsingmicrophonesUsingtape Decks Tape Recorders Sx-g000 YOU can AlsoN e d i n 1 0 k H zb e a t i n t e r f e r e n c e A t i c l i g h t n i n gU m i s m i x e d i n t h e Program N t i n u o u so r i n t e r m i t t e nSpecifications T U N E R S E C T I O N S C E L L a N E O U S Power Requirements+ o o H S c o n n e c tS i t i o no f S w i t c h S E L E C T O R 4 o o k H z TlpsLqu,pment LiLt6 * 1 2 0 2 8 o u Parts LavoutDial Cord Stringing S E. .uor.i .F o OO Q o oO a , , c , uO a Printedcircuitboards Tjioneer Rol Fql Sr6qF Ii#SB.t 330*.-tFV\fr-f # l?t r l0UTt E INr Er Ffi*,,,*$*\Resistrs PartslistI T C H E S PteiitimetersI F U N I T Simicnductrs SEMtc0ttIucT0RsCapacitrs S I S T O R SFcurr CILSA1DTRAISFRMERXU N r T Wl 3 -0 2 DIDTSA1DTRAISISTllRSCtILSANITRAISFRMtRS St Mtc0ilDUcT0RsRESISTtRS HEADAMPUlllT W2l CAPACITlRSTraisistrs SwitchMsl w t T cuHN r T w 2 6 0 0 RtsistrsPTElTIMTTERS TraiisistrsI IAI M PU N I T W 1 5 0 5 CAPACITtRS Csunriuiisv M I C t l I D U C T l R SV E Rabm PU N I T W 2 B t 0 2 CAPACITlRS TzsvIides I n t e d i n J a p a n 12 0 6 6TrIay-t/zn OoXooIl o o@ WzA-OO2Muting Unit w t 8 o 2 Wt6- o28RroarOttW K I L o 2Oi-----r-t +t2v ? 3 40ma OO r L M 7 O 3 L @e our ELv, l @ t w Lfl3 o N4urNIlljj2s Vco25C3A2 25C460O l Eeis-A@rx RzlK cJ O oHeadampunit 2SC87lor 2SC458LGT0/25 80.0033 Oemiswitchunit w 2 6 O O z8 O O l 6 O O lQs 25C734P Cr33/s Q2 O3 Qa as Reverbamptjnit w 2 8 O OQ4 2SC485 OB2SA4A5 0n 6 O O\z &87O SP out aR2ol0l ControlampunitRrlOK Cs0,4s

SX-9000 specifications

The Pioneer SX-9000 is a vintage receiver that was first introduced in the early 1970s, showcasing the high-fidelity audio technology that Pioneer was known for during that era. As a part of the SX-series receivers, the SX-9000 stood out for its impressive features, robust design, and high-quality sound reproduction, making it a coveted piece of audio equipment among audiophiles and collectors alike.

One of the key features of the SX-9000 is its powerful amplification capability. With a power output of 80 watts per channel at 8 ohms, it is capable of driving a wide range of speakers effectively, providing dynamic and clear sound at various volume levels. The receiver utilizes a transistor-based design, ensuring reliability and efficiency in sound delivery.

The SX-9000 also supports a range of tuning options, including FM stereo and AM bands, with an integrated multiplex decoder for enhanced stereo separation. Its switched capacitor AM/FM tuner is designed to provide precise frequency captures, minimizing distortion and improving overall sound quality. Additionally, the receiver features a glass front panel and analog tuning dial, reflecting the classic design aesthetics of the time.

Another notable characteristic is its extensive input options. The SX-9000 has multiple inputs, including auxiliary, phono, and tape, allowing users to connect a variety of audio sources such as turntables, cassette decks, and other components. The inclusion of a phono stage preamp makes it an excellent choice for vinyl enthusiasts, offering high-quality playback of records with minimal noise.

Equipped with tone control features, the SX-9000 allows users to adjust bass and treble to their liking, giving them greater control over their listening experience. The loudness function is another valuable addition, enhancing playback at lower volume levels, ensuring that sound remains rich and full.

Overall, the Pioneer SX-9000 is a testament to the company's commitment to producing high-quality audio equipment. Its blend of power, versatility, and classic design make it a lasting favorite for vintage audio lovers, maintaining a strong reputation decades after its release. The SX-9000 embodies the spirit of audio fidelity, making it a vital piece in the legacy of Pioneer receivers. Its features and capabilities continue to resonate with today's audiophiles, underlining its timeless appeal.
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