SOUDNBOXX TK300 power amplifer

Place of Origin:	Guangdong

Output power:
2Ω/per channel: 300W
4Ω/per channel: 225W
8Ω/per channel: 150W
Bridged output power:
8Ω/ bridged: 450W
4Ω/bridged: 600W
RMS:
1KHz/8 Ω : 0.004%
1KHz/4 Ω : 0.008%
20Hz-20KHz/8 Ω : 0.150%
20Hz-20KHz/4 Ω : 0.200%
Frequency Response: 20Hz-20KHz 0.2 dB (8 Ω 1 W)
Damping: >200 under 8Ω
S/N : ≥ 110 dB
Slew Rate : 38V / μS
Voltage Gain : AV=45
Input Sensitivity : 0.775V under RMS output
Input Impedance: 20 KΩ balance input 10KΩ under unbalance input

Controls: AC power switch CH1 & CH2 Channel Gain Control

POWER LED: green LED × 2

SIGNAL LED: green LED -30B × 2 yellow LED -60B × 2

CLIP LED: red LED × 2

PROTECT LED: red LED × 2

Jacks and Controls on Back Panel:

AC power switch CH1 & CH2 Channel Gain Control

Signal Input Jack: XLR balance input (1 ground 2 positive 3 negative)

Mode Selection: stereo. dual channel (parallel signal). bridged

Low Frequency Cut: minus 30Hz

Housing ground lift switch selected grounding: selected grounding

Output Jack: SPEAKON or post

Power:power input jack , fuse, voltage select switch

Cooling system. Two Φ80 fans auto speed high low adjustment according to temperature, thermostat set at 55 degrees!

Amplifier Protection: short circuit protection, subsonic frequency protection, RF protection, clip protection,soft start equipment,overheat and output voltage protection.

Overload Protection: no thumps or pops are heard with turn-on /turn-off of speaker System overload automitic power-cut.filter setting prevents peak overload of woofer.limiting setting prevents high frequency clipwave and thus avoid tweeter damage.

Output circuit types: efficient complementary linear output.

TK2000: third level power on/off, TK700, TK1100, TK1500 second level power on/off, TK300: no level.

Power voltage: 100 V 120 V select switch, 220 V 240V select switch, 50Hz/60Hz, other voltage availa if customised.

Dimension: 88mm × 483mm × 480mm

Weight: 17KG

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Contact person: Fancy Zhang
Email: fancy.zhang@c-mark.com.cn
MSN: yezi227@hotmail.com
Cell: 0086 13425157873