Страница 1: ...W SPECIFICAT IONS 160 161 WARRANTY FACTORY SERVICE GLOSSARY SCHEMATICS ILLUSTRATIONS Fig 1 Front Panel Fig 2A Connecting the 160 in a Balanced Circuit Fig 28 Connecting the 160 in an Unbalanced Circui...
Страница 2: ...pro user It has the same advanced rms detection and feed forward circuitry as Mode l 160 but it lacks turn on turn off transient protection and ground loop compensation The 161 s input and output are...
Страница 3: ...the product and wou ld help dbx to keep its commitment to product excel lence at reasonab le cost Th ere is no reason for people who need a single channel compressor limiter to pay for precision parts...
Страница 4: ...net Avoid mounting a unit above any source of heat or strong electro magnet ic fie lds such as those generated by power amplifiers or vacuum tube equipment Two dbx compressor limiters can be mounted s...
Страница 5: ...no ground loop comp ensation circuit ry Make signal connectio ns to th e 161 as shown in Figure 3 TIP A ING SLEEVE PHONE PLUG T HIGH v R LOW SLD XL CONNECTOR 2 3 1 Fig 3A Connecting the 161 in a Bala...
Страница 6: ...of the THRESHOLD control wi ll cause compression to begin at a lower point relative to the maximum input level For a further discussion of the use of the COM PRESSION RATIO and THRESHOLD controls ref...
Страница 7: ...pr ession ratios Balanced differential transformerless 50 K ohms 25K ohms when used in unbalanced mode one side tied to ground Jones type barrier strip 2 1dB 8 7V Single ended ground compensated suita...
Страница 8: ...es appear to suggest that 3rd harmonic distortion is dominant Thus an unweighted T H D Total Harmonic Distortion figure would be similar to the 3rd harmonic value However the specific breakdown of dis...
Страница 9: ...t u 01 J T CII R23 JJ l50 Y n l P3 3 IOI I sv R3 lSV lltONT PAN l 009 SO Yl 1 Rt IS COl t T OL R8 0 20 4 Rl R37 2 00Q Tftl M L 1 11 L 3 I P Z RMS 41 M tf L C 1t r10 OOK 4CI 1 c CRl4 Z f AN T lfnM P4...
Страница 10: ...ever the bias energy leve l has a direct effect on the recorded leve l background noise and the distortion It is sometimes necessary to reset the bias level for optimum performance with different type...
Страница 11: ...encoder Encoded programs must decoded only with complementary decoding circu itry Typical encoded programs include FM multip lex broadcasts matrix quadraphonic recordings and dbx encoded record ings E...
Страница 12: ...ls vary depending on the audio system Hi Fi line levels are nominally 15dBV whereas professional line levels are nomina lly 4dBm or 8dBm with typical dy nam ics ranging from 50dBm to 24dBm Line inputs...
Страница 13: ...rad io broadcas ts and conve rts them into audio frequency signals May be part of a receiver VCA Voltage Controlled Amplifi er Traditiona ll y amplifiers have been designed to increase signal levels...
