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ISF (Infinite Shape Feature)

ISF works with the Bass, Middle and Treble 

controls to give you access to infinite new 

sound possibilities.

Tone tip:

1. Start with ISF set to half way.
2. Adjust Bass, Middle and Treble to taste. 

3. Adjust ISF to find your sound (the lower 

 

    the Mid the greater the effect).

An innovative 5 Watt, two channel valve mini stack  

(head and two 1x12" cabinets), with ISF and effects loop.

HT-5RS

Specification

■ 

5 Watt valve head 

■ 

1 x ECC83 and 1 x 12BH7 

■ 

Unique push-pull power amp design 

■ 

Two footswitchable channels (footswitch included) 

■ 

Two 1x12" Blackstar Blackbird 50 speaker cabinets 

■ 

Patent-applied-for Infinite Shape Feature (ISF)

■ 

Speaker emulated output, series effects loop

 

18mm chipboard

 Digital reverb

Suggested settings

Bright claen and UK high gain overdrive

Warm clean and US blues crunch

QUICKSTART GUIDE

HT-5 USERS

Reb Beach – Whitesnake / Winger, Eric Peterson – Testament, James Dean Bradfield – Manic Street Preachers, 

 

Andy Cairns – Therapy?, Steve Cradock – Paul Weller / Ocean Colour Scene.

The HT-5 power amplifier is a 
low powered push-pull design 
which produces the crunch 
and break-up characteristics 
of a traditional 100W output 
stage, but at a much lower 
volume. This is achieved by  
the use of a 12BH7 dual triode valves in push-pull  
configuration producing 5 Watts output, which is rich 
in valve harmonics and compression, sounding full and 
toneful even at the lowest volume level.

Push-Pull

V

ersion 1.1

INPUT

10

10

0

0

TONE

VOLUME

CLEAN

10

0

LEVEL

REVERB

ISF

BASS

MIDDLE

TREBLE

10

0

10

0

10

0

10

0

10

0

10

0

VOLUME

GAIN

OVERDRIVE

OVERDRIVE

SELECT

EQUALISATION

5

HT

INPUT

10

10

0

0

TONE

VOLUME

CLEAN

10

0

LEVEL

REVERB

ISF

BASS

MIDDLE

TREBLE

10

0

10

0

10

0

10

0

10

0

10

0

VOLUME

GAIN

OVERDRIVE

OVERDRIVE

SELECT

EQUALISATION

5

HT

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