เพาเวอร์แอมป์หลอดไฮเอนด์เสียงดี แบรนด์นิยม สภาพสวยมากเข้าใหม่
Audio Research VS55 Hight Definition 50watt. Tube Poweramplifiers made in USA ไฟเดิมๆ 220v. เสียงหวาน เนียนละเมียด รีวิวเยี่ยมทุกสำนัก สภาพสวย
ราคา ฿55,000
สนใจติดต่อสอบถามเพิ่มเติม 089-1415260

ข้อมูลเครื่อง
POWER OUTPUT
50 watts per channel continuous from 20Hz to 20kHz. Approximate actual power available at "clipping" 52 watts (1kHz)
POWER BANDWIDTH
(-3dB points) 12Hz to 50kHz
FREQUENCY RESPONSE
(-3dB points at 1 watt) 1.0 Hz to 60 kHz
INPUT SENSITIVITY
1.1V RMS Single-ended for rated output. (25 dB gain into 8 ohms)
INPUT IMPEDANCE
100K ohms Single-ended
OUTPUT TAPS
8 ohms, 4 ohms
OUTPUT REGULATION
Approximately 1.0 dB 8 ohm load to open circuit
OVERALL NEGATIVE FEEDBACK
12.5dB
DAMPING FACTOR
10
DISTORTION
1kHz total harmonic distortion typically 1% at 50 watts, below .05% at 1 watt
SLEW RATE
5 V/µs
RISE TIME
5 µs
HUM & NOISE
Less than 0.2mV RMS - 100dB below rated output (IHF weighted, input shorted)
POWER SUPPLY ENERGY STORAGE
166 joules
POWER REQUIREMENTS
105-125VAC 60Hz (210-250VAC 50Hz) 320 watts at rated output, 500 watts maximum, 200 watts at "idle"
TUBE COMPLEMENT
(2 matched pairs) 6550EH power output, (3) 6N1P input and driver
OTHER
Tube locations and types are screened next to each opening in the top plate, along with bias-adjustments for the two pair of 6550 Electro-Harmonix output tubes. The rear has 12 V in/out triggers for remote installation and L / R channel access points for a voltmeter (used when setting bias). The amp rests on four elastometer feet and use detachable 12 gauge power cord with IEC socket.
DIMENSIONS
14" (35.6 cm) W x 7" (17.8 cm) H x 14" (35.6 cm) D. Rear connectors extend .88" beyond chassis
WEIGHT
32 lbs. (14.5 kg) Net; 38 lbs. (17.3 kg) Shipping.