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EICO HF-85 Amplifier (Tube)

Details of the findings at the EICO Pre-amps Audition Party held on 8 May 2003 (3:30 p.m. – 6:30 p.m.)


HF-85(I) vs HF-85(II)
Stock FP vs Modded

1.Belafonte at Carnegie Hall (1959) (# 15)

a) Male vocal/ whistling 28 30
b) Stereo soundstaging 28 26

2.Carol Kidd – Fly me to the moon (#4)

c) Female vocal 25 32
d) Guitar strings 25 28

3.CHAN Kit-lai – I believe

e) Young female vocal 25 32

4.Yo-yo MA – Playing the music of John Williams (#3)

h) Dynamic 24 28
i) Bass/lower range 24 26

5.Danny SUMMER & SO Yu – Station

j) Male & Female vocal 27 32

Total: 206(64%) 234(73%)

Note: Theoretical full marks = 4 judges x 8 aspects x 10 marks
(max.) = 320. Therefore, 206 = 65% and 234 = 73%. In practice,
judges valuated the entire systems with the ONLY variable being the
preamp: HF-85(I) or HF-85(II)? So, the difference in scores between
(I) and (II) is more important than the value of scores.

Interpretation: Since HF-85(I) is stock and sounds great (i.e. non-
blurry, see judges' comments in earlier posts), the FP modified HF-85
(II) must sound great and non-blurry.

Richard CWY



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  • EICO HF-85 Amplifier (Tube) - Richard CWY 05/10/0301:32:45 05/10/03 (0)


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