Recording - February 2018 - 40

Chandler Limited
Abbey Road TG12345 MKIV EQ
and TG Opto Compressor

Two new modules bring Abbey Road goodness to your 500 Series collection
REVIEWS BY PAUL VNUK JR.

C

handler Limited, based in the unassuming
city of Shell Rock, Iowa, is the company that
makes spot-on recreations of vintage EMI/
Abbey Road recording gear. More importantly,
Chandler is the only company in the world that is
authorized by Abbey Road Studios to be able to do
so. If the words "Abbey Road recording gear" mean
nothing to you, I'm not sure we can be friends... but
I'll give you the benefit of the doubt: these
are reproductions and new designs inspired
by the gear used at Abbey Road Studios in
the 1960s and 1970s on sessions by the
Beatles, The Hollies, Pink Floyd, and more.
How's that for a pedigree?
Abbey Road's gear was custom-built by
EMI engineers for use only at EMI facilities.
That gear, as well as the latest Chandler
creations, can largely be distilled into two
series based upon two recording desks.
The REDD series is based on circuits from
the tube-based 1950s/1960s REDD console;
the solid-state TG Series console was first
commissioned in 1968, and used on the
classic albums Abbey Road and Dark Side
of the Moon.
Chandler's founder and chief designer Wade
Goeke launched his TG series in 2001, with
REDD valve (tube) based products following
in 2015. Just last year Wade had the honor
of creating the first new EMI-authorized microphone since the 1930s with the REDD microphone, which I reviewed in February 2017.

40

RECORDING February 2018

Fast forward to April of last year, when we took a look at the
TG Series' most ambitious piece to date, the TG Microphone
Cassette. Back in the 1960s, a mixing desk's cassette is what
we would now term a channel strip. Chandler's TG Cassette
is a 2U 19" mono channel strip based on the the cassette
found in the original TG12345 desks. It started with the TG2
microphone preamp, was followed with an expanded Curve
Bender-based 3-band equalizer, and rounded out with a new
Chandler-designed opto compressor.
The compressors in the original desks used a Zener diode
bridge, but Chandler already offers Zener diode-based compression in both the TG1 Compressor and the Zener Limiter. The
opto circuit in this compressor is entirely Wade's
design; it's only distantly inspired by EMI's occasional experiments with opto circuits.
It probably did not take a crystal ball to
figure out that since the TG2 already existed
as a standalone 500 series piece, that the
optocompressor and EQ might soon follow...
and here they are!

TG12345 MKIV EQ

The EQ is a mono single-slot module for use in
an API-style 500 Series enclosure. As its name
states, it is based on the EQ section of the original
MKIV TG12345 desk. It is a discrete transistor
design and it does vary a tad from the version
used in the Chandler TG Cassette. That unit
offered a 3-band EQ with fixed High and Low
bands and a selectable Presence (mid) band.
On the 500 series EQ, you get just the
Presence section and the Low band, but the
Presence band has been expanded from the
TG Cassette's five stepped settings of 300,
500, 1.2, 3.6, and 6.5 kHz. Here you get
nine stepped choices of 500, 800, 1.2, 1.8,
2.8, 4.2, 6.5, and 10 kHz, with ±10 dB of
gain, as well as an Off setting. All of these
are bell curves except 10 kHz, which is a high
shelf.



Table of Contents for the Digital Edition of Recording - February 2018

Contents
Recording - February 2018 - Intro
Recording - February 2018 - Cover1
Recording - February 2018 - Cover2
Recording - February 2018 - 1
Recording - February 2018 - 2
Recording - February 2018 - 3
Recording - February 2018 - 4
Recording - February 2018 - 5
Recording - February 2018 - 6
Recording - February 2018 - 7
Recording - February 2018 - Contents
Recording - February 2018 - 9
Recording - February 2018 - 10
Recording - February 2018 - 11
Recording - February 2018 - 12
Recording - February 2018 - 13
Recording - February 2018 - 14
Recording - February 2018 - 15
Recording - February 2018 - 16
Recording - February 2018 - 17
Recording - February 2018 - 18
Recording - February 2018 - 19
Recording - February 2018 - 20
Recording - February 2018 - 21
Recording - February 2018 - 22
Recording - February 2018 - 23
Recording - February 2018 - 24
Recording - February 2018 - 25
Recording - February 2018 - 26
Recording - February 2018 - 27
Recording - February 2018 - 28
Recording - February 2018 - 29
Recording - February 2018 - 30
Recording - February 2018 - 31
Recording - February 2018 - 32
Recording - February 2018 - 33
Recording - February 2018 - 34
Recording - February 2018 - 35
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Recording - February 2018 - 37
Recording - February 2018 - 38
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Recording - February 2018 - 40
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Recording - February 2018 - 80
Recording - February 2018 - Cover3
Recording - February 2018 - Cover4
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