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System Configuration Manual 

Using crown I-Tech series 

 

For models VT4889, VT4888, VT4887, VT4881, VT4880 

 

 

 

 

 

 

 

 

Summary of Contents for VERTEC Series

Page 1: ...System Configuration Manual Using crown I Tech series For models VT4889 VT4888 VT4887 VT4881 VT4880...

Page 2: ...TRANSDUCER COMPLEMENT 6 AMPLIFIER CONFIGURATION OPTIONS VT4887 VT4881 ARRAY WIRING 7 VT4888 TRANSDUCER COMPLEMENT 8 AMPLIFIER CONFIGURATION OPTIONS VT4888 ARRAY WIRING 10 VT4889 TRANSDUCER COMPLEMENT...

Page 3: ...F section to power 2 or 3 boxes VT4888 o 4 VT4888 can be powered with 4 I T4000 Two boxes are wired in parallel per NL8 circuit HF CH1 CH2 MF CH1 CH2 LO1 CH1 CH2 LO2 CH1 CH2 o Using 4 I T6000 would pr...

Page 4: ...on USERS MUST NOT WIRE THE VOICE COILS ON A 2256G VT4881 OUT OF POLARITY TO EACH OTHER NL8 PIN 1 RED CONNECTOR A BLACK CONNECTOR A NL8 PIN 2 RED CONNECTOR B BLACK CONNECTOR B STANDARD AMPLIFICATION RA...

Page 5: ...fier is used or if the input sensitivity is changed the limiter threshold must be re calculated Not all DSP controllers behave the same way Please study your unit accordingly Users must take into cons...

Page 6: ...Y CROSSED OVER MID HIGH FREQUENCY SECTION 2 LF SECTION HAS TWO 8 COMPONENTS WIRED IN PARALLEL 3 SINGLE COMPONENT WITH TWO VOICE COILS INDEPENDENTLY WIRED Amplifier Configurations Four VT4887 Two VT488...

Page 7: ...4887 has an internal passive crossover network 8 Pins 4 This network connects two 2407H HF drivers 8 wired in series and four 2104H MF 8 wired in Series Parallel The LF section of a VT4887 has two 216...

Page 8: ...Configurations Four VT4888 Two I T4000s One I T8000 Amplifier Amplifier Channel Speakon NL8 Terminals Driving Nominal Impedance at Pins Amplifier Power Rating at Nominal Impedance Power Available to E...

Page 9: ...miter Threshold dBu Ch 1 Pins 4 6 x 2431H 5 7 ohms 1700W 283W 56V 3 I T4000 Ch 2 Pins 4 6 x 2431H 5 7 ohms 1700W 283W 56V 3 Ch 1 Pins 3 12 x 2106H 2 7 ohms 1900W 158W 112V 3 I T4000 Ch 2 Pins 3 12 x 2...

Page 10: ...VT4888 The HF section of a VT4888 has two 2431H drivers 8 wired in Series 16 Pins 4 The MF section of a VT4888 has four 2106H drivers 8 wired in Series Parallel 8 Pins 3 The LF section of a VT4888 ha...

Page 11: ...nated with Neutrik NL8 Speakons Ensure that each conductor in the cable is a minimum of 13 AWGuage 3 4mm JBL VT4888 The HF section of a VT4888 has two 2431H drivers 8W wired in Series 16W Pins 4 The M...

Page 12: ...x 2435H 8 ohms 1250W 208W 100V 2 5 Ch 1 Pins 3 8 x 2250H 4 ohms 3000W 375W 150V 4 5 I T6000 Ch 2 Pins 3 8 x 2250H 4 ohms 3000W 375W 150V 4 5 Ch 1 Pins 1 2 4 x 2255H 2 ohms 3500W 875W 120V 2 I T8000 C...

Page 13: ...20V 2 Ch 1 Pins 1 3 x 2255H 2 7 ohms 3750W 1250W 120V 2 I T8000 Ch 2 Pins 1 3 x 2255H 2 7 ohms 3750W 1250W 120V 2 Eight VT4889 One I T6000 Three I T8000 Amplifier Amplifier Channel Speakon NL8 Termina...

Page 14: ...VT4889 The HF section of a VT4889 has three 2435H drivers 5 3 wired in Series 16 Pins 4 The MF section of a VT4889 has four 2250H drivers 8 wired in Series Parallel 8 Pins 3 The LF section of a VT4889...

Page 15: ...13 AWGuage 3 4 mm JBL VT4889 The HF section of a VT4889 has three 2435H drivers 5 3 wired in Series 16 Pins 4 The MF section of a VT4889 has four 2250H drivers 8 wired in Series Parallel 8 Pins 3 The...

Page 16: ...each 4 boxes which are wired in parallel at the rack for a total of 4 cables running to the cluster JBL VT4889 The HF section of a VT4889 has three 2435H drivers 5 3 wired in Series 16 Pins 4 The MF s...

Page 17: ...lifier Power Rating at Nominal Impedance Power Available to Each Bandpass Bandpass Peak Voltage VAC Limiter Threshold dBu Ch 1 Pins 1 2 2 x 2258H 4 ohms 2000W 1000W 120V 4 I T4000 Ch 2 Pins 1 2 2 x 22...

Page 18: ...r speaker cables terminated with Neutrik NL4 Speakons Ensure that each conductor in the cable is a minimum of 11 AWGuage 3 4 mm JBL VT4880 The VT4880 has two 2258H drivers 8W wired Independently 8W 8W...

Page 19: ...Engineer Office phone 818 895 3473 Mobile phone 818 324 8265 Email address jfullmer harman com EUROPE Mark Bailey Market Development Engineer Office phone 44 173 764 4942 Mobile phone 44 777 581 6456...

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