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Exceptional sound quality and unrivalled flexibility combine in the HHB

Classic 60 to produce a 2 channel tube compressor that’s equally suited

to tracking vocals or adding warmth and depth to an entire stereo mix.

High quality on-board mic pre amps allow direct to tape recording of

microphone sources and 1/4" jack instrument inputs are front panel

mounted so guitars or keyboards can be plugged straight in. All controls

are continuously variable, unlike inferior devices which use switched

parameters, and the absence of VCAs results in a particularly transparent

sound, with distortion across the full bandwidth virtually constant at a

very low figure of 0.05%. The frequency response is virtually flat

between 20Hz and 40kHz and, measured between -3dB points, is an

incredible 5Hz to 70kHz. Use it once and you’ll never want to be without

the HHB Classic 60 tube compressor again.

KEY FEATURES

Two channels of variable ratio compression.

Balanced mic inputs with phantom power, balanced

and unbalanced line inputs and outputs.

Switchable 90Hz high pass filter on all inputs.

1/4" jack instrument inputs on the front panel with gain

control and sensitivity switch.

Each compressor channel features variable input gain,

threshold, attack / release times, compression ratio

and gain make-up for complete signal control.

Sidechain inserts for frequency controlled compression.

Both channels of the compressor may be linked to

apply identical processing for stereo signals.

Flexible backlit VU monitoring of either the output level

or gain reduction.

250V HT voltage rail.

The HHB Classic Series tube processors are designed for demanding, high-end

applications necessitating the highest possible levels of sonic performance. From

their heavy gauge front panels to their massive power supplies, the Classic Series

processors ooze quality, delivering their vintage tube tone under precision control,

and with none of the noise normally associated with tube processor designs. All

tubes are the finest, military grade specification, including General Electric 12AX7

and Siemens EF86 pentode devices, with a 250V DC voltage to ensure maximum

gain and minimum noise, further enhanced by minimal use of transformers in the

signal path. Comprising a tube compressor of exceptional quality, a wonderfully

sweet-sounding parametric equalizer and a mic pre amp which enhances the

sound of even the most expensive studio microphones, the HHB Classic Series

brings a unique sonic signature to any recording or performance project.

THE HHB CLASSIC SERIES

#6411 Radius/Classic Brochure  14/6/99 1:08 pm  Page 7

Summary of Contents for Radius Series

Page 1: ...HHB Radius and Classic Series Tube Processors...

Page 2: ...ce and tube stages to deliver the vintage tube sound without the inherent noise which plagued older tube designs Careful research into hybrid circuits ensures that the tubes in HHB processors achieve...

Page 3: ...gain allows optimum signal level through tubes Switchable 90Hz high pass filter Switchable 48V phantom power for connection of condenser microphones Phase reverse switch allows instant phase correcti...

Page 4: ...channels of compression the Radius 30 will soon become an indispensable part of your studio setup adding the finishing touch to the sound of individual instruments or compressing an entire stereo mix...

Page 5: ...0Hz 1kHz or 2 2kHz HM band 1 5kHz 2 2kHz 3 6kHz or 5kHz HF band 2 2kHz 5kHz 8kHz or 12kHz EQ may be switched before or after the compressor Stereo link for connecting two Radius 40s Stabilised 150V DC...

Page 6: ...Each compressor channel features variable input gain threshold attack release times compression ratio and gain make up for complete signal control Sidechain inserts for frequency controlled compressi...

Page 7: ...el Drive and peak LEDs indicate the degree of tube warming and warn of low headroom 250V HT voltage rail From a dynamic microphone to the most expensive studio condenser the sound of any microphone so...

Page 8: ...oise EIN 126dBu 22Hz 22kHz 150 source Max input level 10dBu Balanced XLR line I P Impedance gain range 5k 10 to 35dB Max input level 30dBu Unbalanced jack line I P Impedance gain range 5k 10 to 35dB M...

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