Jim ’81

Revolutionary amp offers both American and British tones

The Heptode Jim ’81 amp is based on our proprietary analog technology that emulates tube amps perfectly.

IIt offers a unique combination of rich features, low weight, high reliability and great sound.

Two independent channels inspired by Fender Blackface and Marshall JCM800 amps, adjustable output power up to 100 W, an effects loop, a DI output with Cabinet Simulator, and availability in combo, head or 1U rackmount versions.

These make the Jim ’81 a totally unique guitar amplifier.

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Specifications

General

2 channels
Combo 1×12″, head + cabinet speaker 1×12″ or 2×12″, 1U rackmount versions
Adjustable output power from 0 up to 100W
Effects loop
DI output with speaker cabinet simulator
Heptode proprietary analog emulation technology
High-end Class D audio power amplifier
Silent (fanless)
Designed and crafted in France to the highest standards

Inputs/Outputs

2 Guitar inputs (front/rear panels)
2 Speaker outputs (4Ω minimum)
1 Footswitch input (channel selection)
1 Send output / 1 Return input (effects loop, +4dBU)
1 Line Out output (Jack)
1 DI output (XLR)
Mains input: AC 115V or 230V

Output Power

Max output power: 100W @ 4Ω; 50W @ 8Ω; 25W @ 16Ω
Combo: 50W to the internal speaker, 50W available for optional external cabinet

Channels

Leo: emulates a Fender Blackface amp
Jim: emulates a Marshall JCM800 2203 amp

Controls (Leo channel)

Volume
Bass, Middle, Treble
Power level (0 to max power)

Controls (Jim channel)

Preamp Volume
Master Volume
Bass, Middle, Treble
Presence
Power level (0 to max power)

Other controls

Leo/Jim channel switch
Low/Full (15W/100W) max output power
Cabsim on/off switch
Ground lift switch for DI XLR output

Speakers

Combo / 1×12″ Speaker Cabinet : Celestion Creamback Neo* 12″, 8Ω, 60W max
2×12″ Speaker Cabinet : 2 x Celestion Creamback Neo* 12″, total impedance 4Ω, 120W max
Other speakers on request

Color

Custom colors on request (Head/Combo)

Dimensions and weight

Rackmount: 48 x 4.4 x 22 cm, 2.0 kg (18.9″ x 1.6″ x 8.7″, 4.4 lbs)
Combo: 48 x 48 x 24 cm, 12.4 kg (18.9″ x 18.9″ x 9.5″, 27.3 lbs)
Head: 48 x 20 x 24 cm, 6.8 kg (18.9″ x 7.9″ x 9.5″, 15 lbs)
Speaker Cabinet 1×12″: 48 x 48 x 24 cm, 10.1 kg (18.9″ x 18.9″ x 9.5″, 22.3 lbs)
Speaker Cabinet 2×12″: 73 x 48 x 27 cm, 16 kg (28.3″ x 18.9″ x 10.6″, 35.3 lbs)

Heptode amps carry a 2-years limited warranty.