Page 133 - Hi-Fi_News_-_December_2020 video

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LEFT: Technics’
RS-1500 US
abandoned the
conventional tape
path in favour of
an isolated loop or
‘isoloop’. The deck
used a servo reel
control system
allied to dual
pinch rollers
on a single
capstan in order
to maintain
constant tension
on the tape
(mechanical modulation noise) at In two-channel form, the Also in HFN this
the same time serving to maintain Pioneer RT2022 costs £900, with
excellent tape/head contact. an extra £250 bringing you the month in 1978
second four-channel head-block
CONCLUSION along with the additional record CAN YOU HEAR A DIFFERENCE?

All four machines in this group amplifier control unit. As a system Adrian Hope on the Quad

performed very well so the decision it has no contemporary parallel and amplifier listening experiment.
to purchase must be based on a dual would suit a serious amateur music
consideration of price, plus facilities enthusiast, while the RTU11 on its AMPLIFIER NOISE AND CLIPPING
offered. At approximately £500, the own (which costs around £800) Stan Curtis takes time out to
Sony TC766-2 is undoubtedly good could be used alone as a replay/ examine some points raised in
value. The points to note calibration transport BELOW: Original the ‘Great Amplifi er Debate’.
are fine performance at ‘As a system with IEC and NAB pages from the

both speeds, facilities equalisation available Jun 1978 issue of THE MK II BASSET: PART ONE
for FeCr tape plus NAB the Pioneer at 38cm/sec. HFN which saw Trevor Attewell describes an
equalisation. The deck In addition to Martin Colloms updated version of his popular
was also accurately deck has the system’s sheer compare four common-bass loudspeaker,
calibrated in all respects versatility and fi ne open-reel tape using active crossovers.
and showed minimal no parallel’ overall performance, recorders priced
response irregularities special features £500-£950. As LOUDSPEAKER ASSESSMENT
at low frequencies. However, some include its in-built calibration well as a rendition Paul Messenger discusses the
mechanical noise was apparent. oscillators, wide-range metering of an ‘imaginary’ trends revealed in the latest
At a higher price (£600) the and a rugged but straightforward open-reel tape ‘Hi-Fi Choice’ survey.
Revox B77 represents equally good mechanical construction. Used recorder, the
value, with excellent responses, exhaustively for a number of recent cover carries JOHANN NEPOMUK HUMMEL
particularly at low frequencies. It large group tests as a master tape pictures of Peter Branscombe looks at an
is also comparatively quiet. With replay source, this deck has proved Trevor Attewell’s overshadowed composer on
IEC equalisation it offers the best dependable. At around £1150 in updated Bassett his 200th anniversary.
dynamic range at 38cm/sec, and four-channel form, and taking into loudspeaker, and
the peak modulation indicators are account all the facilities offered, Sir Adrian Boult FM RADIO
useful. Build quality is high, with the value is good. Angus McKenzie brings you his
excellent accessibility for servicing. monthly survey of the scene.
The Technics RS-1500 US sells
for around £850. As well as its SIR ADRIAN BOULT
excellent all-round performance, Andrew Keener talks to a great
its outstanding transport offers a but ever-modest musician.
superlative tape-head contact and
gentle tape handling. A 9.5cm/sec MUSIC FOR ORGAN
speed is included for less demanding Trevor Attewell explores the
applications, and ¼-track replay delights and varieties of music
is also part of the package. NAB composed for what are the
equalisation and a Varispeed capstan largest wind instruments.
are standard, as is the quartz lock
which makes a genuine elapsed-time READERS’ PROBLEMS
tape meter possible, and the option Examined by ‘Crossover’.
for DC operation is also unique here.
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DECEMBER 2020 | www.hifi news.co.uk | 133