Mosconi Pro 4|10 Technical data

PRO 4|10

4-channel AB class amplifier [ Rev. 3.1 – 2017/11 ]

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CEA-2006-A SPECIFICATIONS

POWER RATING: 120 Watt per channel @ 4 Ohm < 1% THD+N
SN RATIO: >74 dBA / >95 dBA (DDSP) [reference: 1 Watt into 4 Ohm]

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MOS SPECIFICATIONS (Tcase = 25 °C / 4 Ohm stereo / 0.2V input level @ 14.4 Volt if not otherwise specified)

TARGET POWERs: 120 Watt per channel @ 4 Ohm Typical application:

160 Watt per channel @ 2 Ohm 106x2 + 386x1 (CH1/2 @ 4 Ohm/ST + CH3/4 @ 4 Ohm/BTL)
320 Watt BTL mode @ 4 Ohm

EFFECTIVE POWERs: 121 Watt (92 Watt @12V6) x 4 52.7 A (η = xx.x %) @ 4 Ohm / ST mode / 1% THD / 1KHz

167 Watt (127 Watt @12V6) x 4 88.0 A (η = xx.x %) @ 2 Ohm / ST mode / 1% THD / 1KHz
334 Watt (254 Watt @12V6) x 2 88.0 A (η = xx.x %) @ 4 Ohm / BTL mode / 1% THD / 1KHz

THD @ 4 Ohm / ST mode: < 0.035 % (1KHz)
THD @ 2 Ohm / ST mode: < 0.04 % (1KHz)
DIM @ 4 Ohm / ST mode: < ---- % (Power rating ref)
DIM @ 2 Ohm / ST mode: < ---- % (Power rating ref)

DC-DC converter typology / Conversion frequency: Unregulated Push-Pull / 50 KHz (± 6 %)
Supply voltage range operation: 10 V ÷ 16 V (Absolute maximum) / 11 V ÷ 14.4 V (Recommended)
Power-on/Power-off Voltage Threshold: 9 V / 7.5 V
Mute delay time: 4 secs.
Secondary voltages (VDD / DRIVE / SERV): ±38.2 V / ±12.5 V / ±13.3 V
Max output offset voltage (each channel): ±15 mV
Standby current: < 1 mA (typical)
Quiescent consumption @ 12V6 / 14V4: 0.52 A / 0.59 A (no idle current regutation)
Idle current regulation (no signal): 0.15 A (each trimmer)
Quiescent consumption @ 14V4: 0.89 A (with idle current setted)
Thermal protection consumption: 140 mA
Ground decoupling: 47R (RCA Input) / 1 KOhm (battery vs secondary) / 68 Ohm (body vs battery)
Bandwidth (-3dB ÷ 1 Watt): < 5 Hz ÷ 135 KHz
Input sensitivity (Power rating ref): 0.35 V ÷ 12 V (5.3 V in DDSP mode)
Input impedance @ 1 KHz (STEREO input): 15 KOhm (LL) / 47 Ohm (HL)
S/N ratio (with AP filter) – Power rating ref: 81 dB (filter: 10 Hz - 500 KHz )/ 94 dB (filter: 10 Hz - 22 KHz “A” weighted)
S/N ratio DDSP (with AP filter) – Power rating ref: 89 dB (filter: 10 Hz - 500 KHz )/ 116 dB (filter: 10 Hz - 22 KHz “A” weighted)
Eq. Input noise (with AP filter): 31.9 uV (filter: 10 Hz - 500 KHz )/ 6.44 uV (filter: 10 Hz - 22 KHz “A” weighted)
Channel separation@ 100Hz / 1KHz / 10KHz – 10 Watt ref: 58 dB / 56 dB / 45 dB
Xover functions (selectable filters): CH1/2= HP: 43 ÷ 500Hz(x1) or 430 ÷ 5000Hz(x10) [12 dB/oct – Q: 0.7]

CH3/4= HP: 18 ÷ 220Hz & LP:(43 ÷ 500Hz) [12 dB/oct – Q: 0.7]

Special features: DDSP - Direct DSP (bypass all the preamplifier circuitry but the differential input interface)

HL/LL - High Level / Low Level selectable input
Controlled via uC – Internally controlled via Atmel Processor

Thermal cutoff Threshold: 95 °C (±5°C)
ProSPEED® Fan Controller Threshold: 50°C (±5°C)
Damping factor @ 100 Hz - 10 Watt ref: 453 / 396 [CH1/2] - 219 / 374 [CH3/4]
Damping factor @ 1 KHz - 10 Watt ref: 455 / 398 [CH1/2] - 220 / 399 [CH3/4]
Damping factor @ 10 KHz - 10 Watt ref: 199 / 245 [CH1/2] - 94 / 246 [CH3/4]
Output impedance @ 1 KHz - 10 Watt ref: 8.8 mOhm / 10.1 mOhm [CH1/2] - 18.2 mOhm / 10.0 mOhm [CH1/2]
Load drive limitations (*): 2 Ohm / 4 Ohm (Stereo / Bridged)
Suggested fuse: 80 A (Internal)
Size (mm): 235 / 205 / 55
Weight (Kg): 2,4

(*) VERY IMPORTANT NOTE - READ CAREFULLY

4 Ohm ST or 8 Ohm BTL – CONTINUOUS SINEWAVE SIGNAL – pure resistive load or speaker load
2 Ohm ST or 4 Ohm BTL – MUSICAL SIGNAL – pure resistive load or speaker load

All Right Reserved - Features may change without notice -