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Specification data:
Amp type: 5 channel
Pc board: double sided
Power terminal: gold plated screw type
Speaker terminals: gold plated screw type
Signal input terminals: 6 x RCA jacks gold plated
BIC balanced input circuity
ENS Electronic Noise Suppression
Bridged mode: yes (min. 4 Ohm)
Trimode operation: built-in
Protection and control circuites: Temperature, overload, short circuit,
DC offset
Output load impendance (stereo mode): 2 - 8 Ohm
Active low pass filter: 50-250Hz, 12dB (ch sub)
Active high pass filter: 50-250Hz,12dB (ch front & rear)
Technical data:
Max. peak music power: 500W
RMS power at 4 Ohm (0,05% THD): 1x100W + 4x40W
RMS power at 4 Ohm (0,1% THD): (1x100W +) 2x100W
RMS power at 2 Ohm (0,2% THD): 1x150W + 4x60W
S/N ratio (A-weighted): 105 dB
Freq. response (-3dB): 10-55 kHz
Stereo separation: 70 dB
Input sensitivity: 150mV - 5V
Input impendance: 20 kOhm
Fuse rate: 2x20A
Supply voltage: 12 V DC
Dimensions: 248 x 55 x 330 mm
R O C M K I I S e r i e s
TEST RESULTS
The SIGNAT ROC MK II convinces in every way and its analytical sound cound compete with amplifiers considerably more expensive.
The ROC MK II amplifiers feature an outstanding, clear blue SIGNAT finish; the impressive and solid heat sink allows for excellent heat dissipation. Only high-quolity components, perfectly built circuits and double-sided PC boards, strengthened by glassfibre, have been used to ensure extreme reliability.
ROC Mk II amps are capable of flexible operation. Because of their two-, four- or five-channel configuration and multiple, built-in 12 dB/octave crossovers, to bve selected as low or high pass, they can easily be integrated in any caraoudio system. Super fast power MOSFET transistors grant voltage supply; the effective power supplies guarantee maximum performance with minimum heat develpment. The ROC Mk II series come with low-distorsion bipolar technique output stage; trimode and bridge mode are possible without the need of an additional switch. The amplifiers are capable of taking several circuits for an optimized, highly efficient in-car noise rejection.
The ROC Mk II amplifiers comprise Highly efficient BIC inputs (Balanced Input Circuity), with `floating ground´ technology guarantee insensitivity against unwanted external interference, while the electronic noise suppression (ENS) allows for fine-tuning of the BIC inputs, precisely adapted to the output impendance of the signal source.
The PRESS
Test: Car&HiFi 4/99 ROC3 MK II
Value for money: very good
"..The almost stoical stability, the high damping factor and last but not least the precise sound doesn`t make the SIGNAT yield to the subwoofers.. Technical outstanding, mature amplifier with precise sound.
Test: Car&HiFi 5/99 ROC4 Mk II
Value for money: excellent
"The ROC4 Mk II convinces equally by technique, sound and equipment, especially this unbelievable favorable price.
Cortesia de:
http://www.atom31.com/signat/norm/car/signatproducts_amp.html