닫기 올닉이 자랑하는 포노 스테이지 H-8000 DHT의 탄생은 거의 혁명에 가까운 일이었습니다. 디지털 신호에 비해 굉장히 낮은 신호를 상당히 큰 비율로 증폭해야하는 포노앰프의 경우 직열 3극관 설계가 더욱 어렵기 때문입니다. 300B 진공관 2개를 정전압 회로에 사용하고, 게인 스테이지에 KR242를 사용한 초호화 포노앰프가 바로 H-8000 DHT입니다.

Specifications

Inputs:
• Moving Coil (MC) × two (2) pairs unbalanced (RCA)
• Moving Magnet (MM) x two (2) pairs unbalanced (RCA)
Ground:
• Two (2) x screw type terminals
Outputs:
• One (1) pair x unbalanced (RCA)
• One (1) pair x balanced (XLR)
Frequency Response (RIAA):
• 30Hz ~ 20KHz (±0.5dB)
Voltage Gains:
• MM +44dB (1KHz)
• MC +74dB (1Khz)
Input Impedance:
• MC – up to 200 Ω
• MM – up to 47 KΩ or, upon request, up to 85 KΩ
Maximum Input Voltage:
• MM non-clipping:
• 30 Hz –10mV
• 100 Hz –45mV
• 1KHz – 200mV
• 10 KHz –600 mV
Total Harmonic Distortion (THD):
• Less than 0.3% (1KHz, Output 1V)
Output Impedance:
• 300 Ω (Constant)
Signal to Noise (S/N) Ratio:
• – 80db (CCIR, 1KHz)
Power Consumption:
• 70W at 220 V / 110/120 V / 50 / 60 Hz
Tubes: Phono-stage:
• Two (2) x HL-2 – first gain stage: no equivalents
• Four (4) x KR242 – second and third gain stages: equivalent is Telefunken RS242 only
Power Supply:
• Two (2) x 5Y3 – Rectifiers
• Two (2) x 5654 – Voltage error detectors: equivalents are 6AK5W, E95F, M8100, 6096, CK5654, 5654W, GL-5654, CV4010, CV850, 5654RT
• Two (2) x 300B – Voltage Regulators – no equivalents
Fuse:
• AC 2A, 250V
Dimensions: Phono-stage:
• 430mm (16.9 inches) x 360mm (14.3 inches) x 250mm (10 inches) (W x D x H)
Power supply:
• 430mm (16.9 inches) x 360mm (14.3 inches) x 250mm (10 inches) (W x D x H)
Weight: Phono-stage:
• 15kg (33 lbs) unpacked
Power supply:
• 15kg (33 lbs) unpacked Both units in original packing:
• 17.2kg (38 lbs.)